Parkinson's Disease: Nursing Care Across the Lifespan

Course Overview

Parkinson’s disease (PD) is the second most common neurodegenerative disorder in the United States, affecting approximately one million Americans and more than ten million people worldwide (Parkinson’s Foundation, 2024). It is a chronic, progressive condition characterized by the degeneration of dopaminergic neurons in the substantia nigra, producing the hallmark motor triad of resting tremor, rigidity, and bradykinesia, together with a constellation of non-motor features that profoundly affect quality of life.

For BSN-prepared nurses, competency in Parkinson’s disease care extends far beyond medication administration. Nurses practicing in medical-surgical, rehabilitation, long-term care, home health, neuroscience, and community settings encounter patients with PD at every stage of the disease trajectory. Skilled nursing assessment, individualized care planning, robust patient and family education, safety-focused interventions, and effective interprofessional collaboration are the pillars of high-quality PD nursing care.

This course approaches Parkinson’s disease from a clinical judgment perspective aligned with NCLEX-NG’s Clinical Judgment Measurement Model (CJMM). Students will move from foundational neuroscience through pharmacological management, individualized care planning, and advanced disease considerations — integrating QSEN competencies and AACN Essential domains at every stage. The goal is to prepare nurses who can think critically in dynamic clinical situations, partner meaningfully with patients and families, and advocate across the full arc of this life-altering disease.

Learning Objectives

By the end of this course, students will be able to:

Describe the pathophysiology of Parkinson’s disease, including dopaminergic neuron degeneration in the substantia nigra and the role of the basal ganglia in motor control. (Bloom’s: Understand)
Identify the cardinal motor features of Parkinson’s disease — tremor at rest, rigidity, bradykinesia, and postural instability — and explain how each manifests clinically. (Bloom’s: Remember)
Recognize common non-motor manifestations of Parkinson’s disease, including cognitive changes, autonomic dysfunction, sleep disturbances, and neuropsychiatric symptoms. (Bloom’s: Understand)
Perform a focused neurological and functional assessment for a patient with Parkinson’s disease, integrating standardized tools such as the MDS-UPDRS and Hoehn and Yahr scale. (Bloom’s: Apply)
Analyze the mechanism of action, therapeutic effects, common side effects, and nursing considerations for major pharmacological agents used in Parkinson’s disease management. (Bloom’s: Analyze)
Apply clinical judgment to identify priority nursing diagnoses and develop an individualized, evidence-based plan of care for a patient with Parkinson’s disease across disease stages. (Bloom’s: Apply)
Evaluate nursing interventions that address safety risks — including falls, aspiration, skin breakdown, and medication errors — in the patient with Parkinson’s disease. (Bloom’s: Evaluate)
Design a patient and family education plan that supports self-management, medication adherence, home safety modification, and timely recognition of disease progression. (Bloom’s: Create)
Analyze the roles of the interprofessional team — including physical therapy, occupational therapy, speech-language pathology, neurology, and social work — in coordinating comprehensive Parkinson’s disease care. (Bloom’s: Analyze)
Evaluate ethical, palliative, and end-of-life considerations relevant to patients with advanced Parkinson’s disease and their families. (Bloom’s: Evaluate)

Course Structure

Module	Title	Key Focus
1	Pathophysiology of Parkinson’s Disease	Dopaminergic degeneration, basal ganglia circuitry, Lewy bodies, disease subtypes
2	Clinical Manifestations: Motor Features	Tremor, rigidity, bradykinesia, postural instability, gait disturbance
3	Clinical Manifestations: Non-Motor Features	Cognitive, autonomic, sleep, sensory, neuropsychiatric symptoms
4	Neurological Assessment and Staging	Physical exam, MDS-UPDRS, Hoehn and Yahr scale, functional screening
5	Pharmacological Management	Levodopa/carbidopa, dopamine agonists, MAO-B inhibitors, COMT inhibitors, adjuncts
6	Nursing Care Planning and Priority Diagnoses	NANDA-I diagnoses, evidence-based interventions, individualized care
7	Safety: Falls, Aspiration, and Skin Integrity	Risk assessment, prevention strategies, environmental modification
8	Non-Pharmacological and Rehabilitative Strategies	PT, OT, SLP, exercise, complementary approaches
9	Patient and Family Education	Self-management, medication adherence, home safety, community resources
10	Interprofessional Collaboration and Advanced Care	Team roles, palliative care, end-of-life considerations, ethical decision-making

Module 1: Pathophysiology of Parkinson’s Disease

Neuroanatomical Foundations

Parkinson’s disease is fundamentally a disorder of the basal ganglia — a group of subcortical nuclei that includes the striatum (caudate nucleus and putamen), globus pallidus (internal and external segments), subthalamic nucleus, and substantia nigra. These structures work together to modulate motor planning, initiation, and execution. The substantia nigra pars compacta (SNpc) normally projects dopaminergic axons to the striatum via the nigrostriatal pathway, where dopamine facilitates voluntary movement by balancing the inhibitory and excitatory outputs of the basal ganglia circuit.

In Parkinson’s disease, dopaminergic neurons of the SNpc undergo progressive degeneration. Symptoms become apparent only after approximately 60–80% of dopaminergic neurons are lost, indicating the considerable compensatory capacity of the brain in the presymptomatic phase (Kalia & Lang, 2015). The resulting dopamine deficit disrupts the delicate balance between the direct and indirect motor pathways:

Direct pathway (facilitatory): Normally activated by dopamine binding D1 receptors → reduces inhibition of thalamus → promotes movement. In PD, this pathway is underactive.
Indirect pathway (inhibitory): Normally suppressed by dopamine binding D2 receptors → reduces inhibition of movement. In PD, this pathway is overactive.

The net effect is excessive inhibitory output from the globus pallidus internus (GPi) to the thalamus and motor cortex, resulting in the reduced, slow, and difficult-to-initiate movements that define the PD motor phenotype.

Lewy Body Pathology

A defining neuropathological feature of PD is the presence of Lewy bodies — intraneuronal inclusions composed predominantly of misfolded alpha-synuclein protein. According to Braak’s staging hypothesis, PD pathology begins in the olfactory bulb and dorsal motor nucleus of the vagus nerve (Stage 1–2) before ascending to the midbrain substantia nigra (Stage 3–4) and ultimately spreading to limbic and neocortical regions (Stage 5–6). This staging model helps explain the non-motor prodromal symptoms — such as hyposmia, constipation, and REM sleep behavior disorder — that frequently precede motor symptoms by years or even decades.

Disease Subtypes

Clinically, Parkinson’s disease presents along a spectrum. Two broad subtypes are commonly recognized based on predominant motor features:

Subtype	Key Feature	Clinical Implications
Tremor-Dominant PD	Prominent resting tremor; slower progression	Relatively preserved cognition; better long-term prognosis
Akinetic-Rigid (PIGD) PD	Postural instability and gait difficulty dominant	Higher fall risk; faster cognitive decline; worse prognosis

It is important to distinguish idiopathic PD from Parkinsonism — an umbrella term encompassing other conditions that produce parkinsonian motor features (tremor, rigidity, bradykinesia) but have distinct pathologies:

Multiple System Atrophy (MSA): Prominent autonomic failure, cerebellar signs
Progressive Supranuclear Palsy (PSP): Vertical gaze palsy, early falls, severe postural instability
Dementia with Lewy Bodies (DLB): Cognitive decline precedes or co-occurs with motor symptoms within one year
Drug-induced Parkinsonism: Caused by dopamine-blocking agents (antipsychotics, metoclopramide)

Nurses must be alert to atypical features that suggest Parkinsonism rather than idiopathic PD, as management and prognosis differ significantly.

Module 2: Clinical Manifestations — Motor Features

The Cardinal Motor Features

The four cardinal motor features of Parkinson’s disease — TRAP — form the basis for clinical diagnosis and assessment:

T — Tremor at Rest

The classic PD tremor is a 4–6 Hz “pill-rolling” tremor that occurs at rest, is suppressed with intentional movement, and reappears when the limb is held in a sustained posture. It typically begins unilaterally and may remain asymmetric throughout the disease course. Tremor is often the most visible feature and the symptom that first brings patients to clinical attention, though it may be absent in approximately 20–30% of patients (Jankovic, 2008).

R — Rigidity

Rigidity in PD manifests as increased resistance to passive movement throughout the full range of motion, present in both flexion and extension. Two patterns are described: lead-pipe rigidity (smooth, uniform resistance) and cogwheel rigidity (ratchet-like resistance, resulting from tremor superimposed on rigidity). Rigidity contributes to the characteristic stooped, flexed posture seen in PD and may cause pain, most commonly in the shoulder — a symptom often misdiagnosed as orthopedic pathology in early disease.

A — Akinesia / Bradykinesia

Bradykinesia (slowness of movement) is the most disabling motor feature of PD and is required for the clinical diagnosis. Akinesia refers to the absence or near-absence of movement, particularly difficulty initiating voluntary movement. Hypokinesia (reduced amplitude of movement) accompanies these features. Clinically, bradykinesia manifests as:

Micrographia (small, cramped handwriting)
Hypophonia (soft, monotone speech)
Masked facies (reduced facial expression — “hypomimia”)
Reduced arm swing during ambulation
Difficulty with sequential or simultaneous motor tasks
Prolonged reaction times for ADLs

P — Postural Instability

Postural instability reflects impairment of postural reflexes and is typically a later feature of PD. It is assessed clinically with the pull test (retropulsion test), in which the examiner stands behind the patient and gives a sharp backward tug on the shoulders. Patients with impaired postural reflexes take multiple retropulsive steps or require examiner rescue. Postural instability is a major contributor to falls and fall-related injuries, which are a leading cause of morbidity and mortality in PD.

Gait Disturbance

PD produces a distinctive gait pattern characterized by short, shuffling steps (festination), reduced arm swing, en-bloc turning (turning the entire body as a unit rather than pivoting), and a forward-flexed trunk. Freezing of gait (FOG) — sudden, brief episodes during which the feet appear “glued to the ground” — is a particularly dangerous manifestation. FOG most commonly occurs in doorways, narrow passages, when starting to walk, or when distracted. It significantly increases fall risk and limits community mobility.

Module 3: Clinical Manifestations — Non-Motor Features

Non-motor symptoms of Parkinson’s disease are highly prevalent and have a greater negative impact on quality of life than motor symptoms in many patients. They can precede motor onset by years (prodromal non-motor symptoms) or emerge as the disease progresses.

Cognitive and Neuropsychiatric Features

Cognitive impairment is common in PD. Mild cognitive impairment (PD-MCI) is estimated to affect up to 40% of patients at diagnosis, and Parkinson’s disease dementia (PDD) develops in 50–80% of patients over time (Aarsland et al., 2021). Executive dysfunction — difficulties with planning, set-shifting, working memory, and cognitive flexibility — is typically more prominent early in PD than memory loss, which distinguishes PDD from Alzheimer’s disease cognitively. Nurses should routinely screen for cognitive changes using validated tools such as the Montreal Cognitive Assessment (MoCA).

Depression affects approximately 30–40% of individuals with PD and is believed to result from serotonergic and noradrenergic neurodegeneration in addition to dopaminergic deficits. Depression is consistently underrecognized and undertreated in PD, in part because somatic symptoms (psychomotor slowing, sleep disturbance, fatigue) overlap with PD itself. The Geriatric Depression Scale (GDS) or the Hamilton Depression Rating Scale are useful screening tools.

Anxiety affects up to 40% of PD patients and may manifest as generalized anxiety, panic attacks, or social phobia. Anxiety is often directly correlated with “off” periods (times of reduced medication effectiveness) and can be difficult to distinguish from akathisia (motor restlessness from dopaminergic medications).

Psychosis, most commonly visual hallucinations, affects up to 50% of PD patients over the course of the disease and is strongly associated with advanced age, cognitive impairment, longer disease duration, and dopaminergic medication use. Most visual hallucinations are formed, non-threatening, and initially have insight preserved (“I see a small man in the corner, but I know he isn’t real”). Loss of insight or threatening hallucinations indicate a more serious course.

Impulse control disorders (ICDs) — including pathological gambling, hypersexuality, compulsive eating, and compulsive medication use — occur in 13–17% of PD patients treated with dopamine agonists. Nurses must include screening for ICDs when patients are initiated on dopamine agonist therapy.

Autonomic Dysfunction

Autonomic dysfunction is one of the most distressing non-motor domains of PD, reflecting neurodegeneration in autonomic ganglia and the dorsal motor nucleus of the vagus:

Orthostatic hypotension (OH): Defined as a drop in systolic BP ≥20 mmHg or diastolic BP ≥10 mmHg within 3 minutes of standing. Affects up to 50% of PD patients and significantly increases fall risk. Nursing assessment includes lying and standing blood pressures, particularly when initiating or adjusting dopaminergic medications.
Constipation: One of the most common non-motor symptoms, present in up to 80% of patients. Slowed gastrointestinal motility precedes motor symptom onset by years in some patients.
Dysphagia: Swallowing dysfunction affects 80% of PD patients over the disease course. It results from bradykinesia and rigidity of the pharyngeal and esophageal muscles. Dysphagia significantly increases the risk of aspiration pneumonia, a leading cause of death in PD.
Sialorrhea (drooling): Results not from excess saliva production but from reduced swallowing frequency secondary to bradykinesia.
Urinary dysfunction: Urgency, frequency, and nocturia are common and relate to detrusor overactivity.
Seborrhea and diaphoresis: Increased sebum production and sweating dysregulation are common.
Sexual dysfunction: Affects both men and women with PD.

Sleep Disturbances

Sleep disturbances affect more than 75% of PD patients and significantly impair quality of life:

REM Sleep Behavior Disorder (RBD): Patients act out vivid, often violent dreams during REM sleep due to loss of normal muscle atonia. RBD is a powerful prodromal marker for PD, sometimes preceding motor symptoms by 10 or more years. It creates significant risk of injury to patients and bed partners.
Insomnia: Difficulty initiating and maintaining sleep is common, driven by pain, urinary urgency, RBD, depression, and medication effects.
Excessive daytime sleepiness (EDS): Affects up to 50% of patients, related to nocturnal sleep fragmentation and dopaminergic medication effects (especially dopamine agonists, which can cause sudden-onset sleep).
Restless Legs Syndrome (RLS) and periodic limb movements: More prevalent in PD than in the general population.

Sensory Features

Hyposmia (reduced sense of smell): Affects 90% of PD patients and is one of the earliest and most consistent prodromal markers. It is thought to reflect early olfactory bulb Lewy body pathology.
Pain: A common and underrecognized non-motor symptom in PD, which may be musculoskeletal (rigidity-related), dystonic, central neuropathic, or radicular in character.

Module 4: Neurological Assessment and Staging

Focused Neurological Assessment

Nursing assessment of the PD patient integrates a comprehensive neurological examination with functional status evaluation. Key components include:

Motor assessment:

Observe and document resting tremor — location, frequency, symmetry, effect of intentional movement
Assess for rigidity by passively moving limbs through range of motion — note lead-pipe or cogwheel quality
Evaluate bradykinesia through finger tapping, hand grip-release alternation, and foot tapping — note speed and amplitude
Assess gait — observe stride length, cadence, arm swing, festination, freezing episodes, turn quality
Perform the pull test to evaluate postural stability (note: requires training; do not perform without adequate preparation to prevent falls)
Observe for hypomimia, hypophonia, and micrographia

Non-motor assessment:

Screen for cognitive impairment: Montreal Cognitive Assessment (MoCA ≥26 normal; 18–25 MCI; <18 dementia range)
Screen for depression: Geriatric Depression Scale (GDS)
Assess for orthostatic hypotension: lying, sitting, and standing blood pressures with symptom correlation
Swallowing screen: observe for coughing, choking, wet/gurgly voice quality after oral intake
Sleep quality: ask about REM sleep behavior, daytime sleepiness, insomnia
Review bladder diary if urinary symptoms reported
Screen for impulse control disorders when dopamine agonists are prescribed

Functional assessment:

Evaluate ability to perform ADLs: dressing, grooming, feeding, bathing, toileting — note compensatory strategies
Assess fall history: number, circumstances, injuries
Evaluate home environment for safety risks

Standardized Rating Scales

Scale	Purpose	Clinical Application
MDS-UPDRS (Movement Disorder Society-Unified Parkinson’s Disease Rating Scale)	Comprehensive 65-item motor and non-motor rating scale	Gold standard for tracking disease severity and treatment response; Parts I–IV cover non-motor, motor, and functional outcomes
Hoehn and Yahr Scale	Simplified 5-stage staging of PD severity	Stage 1: unilateral only; Stage 2: bilateral, no balance impairment; Stage 3: mild balance impairment; Stage 4: severe disability; Stage 5: wheelchair or bedbound
Schwab and England ADL Scale	Functional independence rating (0–100%)	Useful for tracking decline in self-care capacity
MoCA	Cognitive screening	30-item tool; identifies MCI and dementia
PDQ-39 (Parkinson’s Disease Questionnaire)	Disease-specific quality of life measure	39-item patient-reported outcomes across 8 domains

Module 5: Pharmacological Management

Pharmacological therapy for Parkinson’s disease is targeted at restoring or mimicking dopaminergic neurotransmission in the basal ganglia. No currently approved pharmacotherapy has demonstrated neuroprotective or disease-modifying effects; all current agents are symptomatic treatments. Nursing responsibilities center on medication administration accuracy, therapeutic monitoring, side effect surveillance, and patient education.

Levodopa/Carbidopa (Sinemet)

Levodopa remains the most effective symptomatic treatment for PD. It crosses the blood-brain barrier, where it is converted to dopamine by aromatic amino acid decarboxylase. Carbidopa is a peripheral decarboxylase inhibitor added to reduce peripheral conversion of levodopa to dopamine, thereby reducing nausea and increasing central bioavailability. The standard ratio is 75 mg carbidopa per day to saturate peripheral decarboxylase.

Parameter	Details
Route	Oral (tablet, orally disintegrating tablet, extended-release); enteral (carbidopa-levodopa intestinal gel via PEG-J tube in advanced disease)
Mechanism	Levodopa → dopamine in CNS; carbidopa blocks peripheral conversion
Common side effects	Nausea, orthostatic hypotension, dyskinesias (after long-term use), hallucinations, wearing-off (end-of-dose deterioration), on-off fluctuations
Nursing considerations	Administer on consistent schedule; protein in meals can compete with levodopa absorption — educate patients; monitor for dyskinesias; never abruptly discontinue (risk of neuroleptic malignant syndrome-like reaction); recognize wearing-off and on-off patterns; assess for impulse control disorders

Critical nursing alert: Levodopa/carbidopa must be administered on schedule in hospitalized patients. Delays or omissions in levodopa dosing can cause severe motor deterioration, dysphagia, aspiration, and rare but life-threatening parkinsonism-hyperpyrexia syndrome. Hospitals should use PD-specific medication protocols to prevent off-schedule dosing.

Dopamine Agonists

Dopamine agonists directly stimulate dopamine receptors and are often used as initial monotherapy in younger patients (under 70) or as adjuncts to levodopa in older patients.

Agent	Class	Key Considerations
Pramipexole (Mirapex)	Non-ergot D2/D3 agonist	Impulse control disorders; sudden-onset sleep; leg edema; avoid abrupt discontinuation
Ropinirole (Requip)	Non-ergot D2/D3 agonist	Similar to pramipexole; QTc prolongation at high doses
Rotigotine (Neupro)	Non-ergot; transdermal patch	Useful when oral route unavailable; skin site rotation required
Apomorphine (Apokyn)	Subcutaneous injection	Fast-acting rescue for severe “off” periods; significant nausea — requires pretreatment with trimethobenzamide; fall risk

Nursing focus: Screen all patients on dopamine agonists for impulse control disorders at every visit. Educate patients and families that these behaviors are medication side effects, not character flaws, and are typically reversible with dose reduction or discontinuation.

MAO-B Inhibitors

Monoamine oxidase type B (MAO-B) inhibitors block the breakdown of dopamine in the striatum, effectively increasing dopaminergic tone.

Agent	Key Considerations
Selegiline (Eldepryl)	Early-stage monotherapy; mild symptomatic benefit; metabolized to amphetamine derivatives — may cause insomnia; serotonin syndrome risk with SSRIs/SNRIs/meperidine
Rasagiline (Azilect)	Monotherapy or adjunct; does not metabolize to amphetamines; avoid with meperidine, MAOIs, SSRIs, SNRIs — serotonin syndrome risk
Safinamide (Xadago)	Adjunct only; inhibits both MAO-B and glutamate release; drug interactions with opioids

COMT Inhibitors

Catechol-O-methyltransferase (COMT) inhibitors block the peripheral breakdown of levodopa, extending its availability. Used exclusively as adjuncts to levodopa/carbidopa to reduce wearing-off.

Agent	Key Considerations
Entacapone (Comtan)	Most commonly used; given with each levodopa dose; orange/brown urine discoloration (benign — educate patient); may increase dyskinesias as levodopa effect is enhanced
Opicapone (Ongentys)	Once-daily dosing
Tolcapone (Tasmar)	Reserved for refractory cases; risk of fulminant hepatic failure — requires liver function monitoring

Anticholinergic Agents

Anticholinergic agents were among the first treatments for PD and provide modest benefit primarily for tremor. They are rarely used in older adults due to significant cognitive and anticholinergic side effects.

Agents: Trihexyphenidyl (Artane), benztropine (Cogentin)
Nursing considerations: Contraindicated in patients with cognitive impairment, dementia, glaucoma, or urinary retention. Monitor for confusion, dry mouth, blurred vision, urinary retention, constipation. Use with extreme caution in patients over 70.

Amantadine

Originally developed as an antiviral agent, amantadine has modest antiparkinsonian effects via NMDA receptor antagonism and enhancement of dopamine release. Extended-release formulations (Gocovri, Osmolex) are FDA-approved for levodopa-induced dyskinesias.

Nursing considerations: Monitor renal function (renally cleared); livedo reticularis (benign skin discoloration); edema; confusion; avoid in patients with renal impairment.

Surgical Options: Deep Brain Stimulation (DBS)

Deep brain stimulation (DBS) involves the surgical implantation of electrodes in specific brain targets — most commonly the subthalamic nucleus (STN) or globus pallidus internus (GPi) — connected to a subcutaneously implanted pulse generator. DBS is highly effective for motor fluctuations and dyskinesias in carefully selected patients and is considered the gold standard surgical therapy for PD.

Nursing considerations for DBS patients:

Educate patients and families about device components and function
MRI safety protocols differ for DBS patients — always verify device compatibility before imaging
Electromagnetic interference (EMI) caution: airport security, power tools, certain medical equipment
Device programming occurs postoperatively; optimize settings in collaboration with the neurology team
Wound care at generator implant site; monitor for infection, lead migration, device malfunction

Module 6: Nursing Care Planning and Priority Diagnoses

NANDA-I Nursing Diagnoses in Parkinson’s Disease

The following nursing diagnoses are commonly applicable to patients with PD. Priority varies by disease stage and individual patient presentation.

Priority	NANDA-I Diagnosis	Related To	Evidenced By
High	Risk for Falls	Postural instability, gait disturbance, orthostatic hypotension, freezing of gait	Fall history, pull test result, OH findings
High	Impaired Swallowing	Bradykinesia and rigidity of pharyngeal muscles	Coughing with meals, wet/gurgly voice, weight loss
High	Impaired Physical Mobility	Bradykinesia, rigidity, tremor	Reduced gait speed, difficulty initiating movement, ADL dependence
Moderate	Self-Care Deficit (specify)	Motor impairment, fatigue	Inability to complete dressing, grooming, feeding independently
Moderate	Chronic Sorrow	Chronic, progressive nature of diagnosis	Patient/family verbalization, tearfulness, social withdrawal
Moderate	Constipation	Autonomic dysfunction, reduced mobility, medications	Infrequent stools, straining, abdominal discomfort
Moderate	Disturbed Sleep Pattern	REM sleep behavior disorder, nocturia, pain, anxiety	Frequent awakening, daytime somnolence, injury during sleep
Moderate	Caregiver Role Strain	Progressive dependency needs, 24-hour caregiving demands	Caregiver-reported fatigue, depression, role conflict
Variable	Risk for Aspiration	Dysphagia, reduced cough reflex, cognitive impairment	Swallowing screen results, meal observations
Variable	Impaired Verbal Communication	Hypophonia, dysarthria	Soft voice, slurred speech, patient-reported communication frustration

Evidence-Based Nursing Interventions

Risk for Falls:

Conduct a fall risk assessment using a validated tool (e.g., Morse Fall Scale) on admission and reassess with any change in condition
Implement universal fall precautions: non-slip footwear, bed in lowest position, call light within reach, environment clear of clutter
Implement PD-specific fall precautions: allow extra time for position changes, provide guarding during ambulation, use assistive device recommended by physical therapy
Educate patient and family on freezing of gait triggers and cueing strategies (rhythmic auditory cueing, visual floor cues, laser canes)
Coordinate occupational therapy home assessment prior to discharge

Impaired Swallowing:

Perform swallowing screen before initiating oral intake using a validated bedside screen (e.g., 3-oz water swallow test)
Refer to speech-language pathology for formal dysphagia evaluation and modified barium swallow if indicated
Implement prescribed diet texture modifications (e.g., IDDSI framework levels)
Position patient upright at 90 degrees for meals and at least 30 minutes after
Administer oral medications in a form that minimizes aspiration risk; communicate with pharmacy and neurology regarding formulation options
Monitor for signs of aspiration pneumonia: fever, increased respiratory rate, decreased oxygen saturation, productive cough

Medication Administration Accuracy:

Administer levodopa/carbidopa on the patient’s home schedule — document “off” periods and correlate with medication timing
Never substitute controlled-release for immediate-release formulations without explicit provider order and rationale
Avoid use of dopamine-blocking antiemetics (metoclopramide, prochlorperazine, promethazine) — these can worsen PD symptoms significantly. Use ondansetron or trimethobenzamide for nausea if needed.
Flag medication orders for antipsychotics in PD patients — most typical antipsychotics are contraindicated; consult neurology before initiating any antipsychotic (quetiapine or clozapine at low doses are generally preferred if required)

Module 7: Safety — Falls, Aspiration, and Skin Integrity

Falls Prevention in Depth

Falls are the most common cause of serious injury, emergency department visits, and hospitalization in people with Parkinson’s disease. The annual incidence of falling in PD is approximately 45–68%, and recurrent falls occur in approximately 50% of fallers (Allen et al., 2013). The PD-specific contributions to fall risk are multiple and overlapping:

Intrinsic fall risk factors in PD:

Postural instability (impaired postural righting reflexes)
Freezing of gait (FOG) — especially in narrow spaces, doorways, crowds
Orthostatic hypotension causing presyncope or syncope on rising
Dyskinesias causing uncontrolled movements
Cognitive impairment reducing safety awareness and risk perception
Excessive daytime sleepiness (dopamine agonist-induced sudden-onset sleep)
Dual-task interference — walking while talking or carrying objects simultaneously
Medication “off” states significantly amplifying motor instability

Environmental fall risk factors:

Loose rugs, slippery floors, poor lighting
Bathroom hazards (no grab bars, slippery tub/shower)
Stairs without bilateral railings
Clutter in walking paths
Bed height mismatch

Cueing strategies for freezing of gait:

Rhythmic auditory cues (music, metronome beats) and visual floor cues (tape lines, laser light projectors on walkers or canes) have strong evidence for reducing FOG and improving gait in PD (Thaut et al., 2019). Nurses can coach patients to:

Count aloud (“1-2-3, step”) or march in place before initiating gait
Focus on stepping over an imaginary line or a real visual cue
Shift weight deliberately before taking the first step
Avoid carrying objects that compete for attentional resources during ambulation

Aspiration Prevention

Aspiration pneumonia is the leading cause of pneumonia-related death in Parkinson’s disease. The insidious nature of dysphagia in PD — where silent aspiration (aspiration without coughing) is common due to reduced cough reflexes — means that patients and families may not recognize the extent of swallowing impairment.

Nursing interventions to reduce aspiration risk:

Elevate head of bed to 90 degrees during and for 30–60 minutes after meals
Minimize distractions during mealtimes
Provide thickened liquids and soft, moist foods per SLP recommendations
Offer small, frequent meals to reduce fatigue
Inspect oral cavity for food pocketing after meals
Maintain excellent oral hygiene — oral bacteria significantly increase severity of aspiration pneumonia
Educate family caregivers in proper feeding techniques
Assess weight trends and refer to dietitian if unintended weight loss is identified

Skin Integrity

While pressure injury is not uniquely associated with PD, several disease features elevate risk in hospitalized and long-term care patients:

Reduced mobility and prolonged positioning
Seborrhea (oily skin) predisposing to skin breakdown
Involuntary movements (dyskinesias) causing friction
Nutritional deficits from dysphagia and reduced appetite
Incontinence in advanced disease

Nursing interventions: Conduct Braden Scale assessment on admission and reassess regularly; implement repositioning schedule; apply moisture barriers; provide pressure-redistribution surfaces; ensure nutritional support; maintain meticulous incontinence care.

Module 8: Non-Pharmacological and Rehabilitative Strategies

Rehabilitation and non-pharmacological strategies play a central and evidence-based role in Parkinson’s disease management. These approaches preserve function, reduce disability, and improve quality of life across all disease stages. Nurses are critical advocates for rehabilitative referrals and reinforcement of learned strategies in daily care.

Physical Therapy

Physical therapy is recommended for all PD patients. Evidence-based PT interventions include:

LSVT BIG (Lee Silverman Voice Treatment — BIG): High-amplitude, high-effort movement training targeting bradykinesia; 16 sessions over 4 weeks; demonstrated improvements in gait speed, stride length, and balance
Treadmill training: Improves gait velocity and step length; rhythmic sensory input from treadmill may bypass defective internal timing mechanisms
Balance and coordination training: Tai Chi has demonstrated superior balance and fall reduction in RCTs compared to stretching and resistance training in PD (Li et al., 2012)
Resistance training: Preserves muscle strength; may slow motor decline
Dance therapy (tango): Emerging evidence for improvements in balance, gait, and quality of life

Occupational Therapy

Occupational therapy focuses on maintaining independence in ADLs and modifying the environment for safety:

Adaptive equipment: weighted utensils, built-up handle tools, button hooks, rocker knives
Environmental modification: grab bars, bed rails, raised toilet seat, shower chair, bed height adjustment
Energy conservation strategies: scheduling activities during “on” periods, pacing techniques
Home safety assessment prior to hospital discharge

Speech-Language Pathology

LSVT LOUD: High-effort voice treatment targeting hypophonia; 16 sessions; produces sustained voice volume improvements
Communication aids: Amplification devices, speech-generating devices for advanced disease
Dysphagia management: Modified barium swallow study, diet texture recommendations, swallowing exercises, expiratory muscle strength training (EMST)

Exercise as Disease Management

Growing evidence suggests that aerobic exercise may have neuroprotective or neurorestorative effects in PD, likely through neurotrophic factor upregulation (particularly BDNF and GDNF) and neuroplasticity mechanisms. Current evidence supports:

150 minutes per week of moderate-intensity aerobic activity
High-intensity aerobic exercise protocols showing promising results for motor outcomes
Exercise as an adjunct to pharmacotherapy — not a replacement

Complementary Approaches

Music therapy: Rhythmic auditory stimulation to facilitate gait; may reduce freezing of gait
Yoga: Improves flexibility, balance, and psychological well-being
Mindfulness-based stress reduction (MBSR): Reduces anxiety and depression; improves quality of life

Module 9: Patient and Family Education

Parkinson’s disease is a chronic, progressive condition that unfolds over years to decades. Effective patient and family education is not a single event but an ongoing, adaptive process that evolves with the disease. BSN nurses are uniquely positioned to provide, coordinate, and reinforce education across all care settings.

Core Education Topics by Disease Stage

Early Stage (Hoehn and Yahr 1–2):

Disease overview: nature of PD, typical progression, variability among individuals
Medication management: purpose, schedule, side effects, importance of timing consistency, what to do if a dose is missed
Exercise: initiate and maintain a regular exercise program (emphasize neuroplasticity evidence)
Safety: fall prevention basics, home assessment, driving evaluation (PD affects reaction time and cognitive processing — driving cessation counseling may be needed early)
Community resources: Parkinson’s Foundation helpline, local support groups, American Parkinson Disease Association (APDA), Rock Steady Boxing
Advance care planning: introduce early — patients retain capacity to express preferences

Middle Stage (Hoehn and Yahr 3):

Managing motor fluctuations: recognizing “on” vs. “off” periods; symptom diary; communicating changes to the neurology team
Freezing of gait: triggers, cueing strategies, safe home modifications
Swallowing: early signs of dysphagia; dietary modifications; oral hygiene
Communication: LSVT LOUD referral, assistive communication devices
Caregiver education: hands-on training in safe transfers, ambulation assist, and feeding techniques
Respite care resources

Advanced Stage (Hoehn and Yahr 4–5):

Aspiration pneumonia prevention: positioning, thickened liquids, oral care
Bowel management: constipation regimen, monitoring
Skin integrity: repositioning, pressure injury prevention
Hospice and palliative care: when to consider, how to access, what to expect
Goals of care conversations: revisit and document

Medication Adherence Education

Levodopa timing adherence is critical to symptom control and safety. Patients and families should understand:

Medications must be taken on a fixed schedule — set alarms if needed
Protein (especially high-protein meals) can reduce levodopa absorption — take levodopa 30–45 minutes before or 60 minutes after a protein-heavy meal
Never abruptly stop PD medications without physician guidance
Bring a complete, current medication list to every healthcare appointment
Carry a medication card or medical alert bracelet when in public
Communicate all new medications (including over-the-counter) to the PD care team — many common drugs interact with PD medications

Driving and Community Safety

Parkinson’s disease impairs reaction time, visuospatial processing, and executive function — all of which are essential for safe driving. Nurses should:

Raise driving safety as a routine topic — not only in the context of an accident or near-miss
Refer for formal driving evaluation (occupational therapy driving rehabilitation) rather than making blanket restrictions
Provide community transportation resources and alternatives
Document discussions and patient responses in the clinical record

Module 10: Interprofessional Collaboration and Advanced Care

The Interprofessional PD Care Team

Parkinson’s disease demands coordinated interprofessional care across a complex team. Nurses function as both direct care providers and care coordination facilitators:

Team Member	Primary Role in PD Care
Neurologist / Movement Disorder Specialist	Diagnosis, medication management, disease monitoring, surgical candidacy evaluation
Primary Care Provider	Comorbidity management, preventive care, care coordination for non-PD issues
Registered Nurse	Assessment, medication administration and education, safety, care coordination, patient and family support
Physical Therapist	Gait training, balance rehabilitation, fall prevention, exercise prescription
Occupational Therapist	ADL training, adaptive equipment, home modification, driving evaluation
Speech-Language Pathologist	Dysphagia evaluation and treatment, communication therapy (LSVT LOUD)
Neuropsychologist	Cognitive assessment, DBS candidacy evaluation, psychosocial support
Social Worker	Psychosocial support, resource linkage, caregiver support, advance care planning
Dietitian	Nutritional assessment, weight management, protein distribution counseling
Pharmacist	Medication reconciliation, interaction review, dosing guidance
Palliative Care Team	Symptom management in advanced disease, goals of care facilitation, caregiver support
Chaplain / Spiritual Care	Spiritual and existential support for patients and families

Effective communication within this team — via structured handoffs, shared care plans, and clearly delineated roles — is essential to safe, high-quality PD care. Nurses should be proactive in identifying when additional team member involvement is needed and facilitating timely referrals.

Palliative and End-of-Life Care

Advanced Parkinson’s disease is characterized by severe motor disability, cognitive decline, dysphagia, recurrent aspiration pneumonia, and profound dependence. While PD itself is not uniformly fatal, complications — particularly aspiration pneumonia and falls with traumatic injury — are the primary causes of death. Life expectancy with PD is approximately 7–14 years from diagnosis, though significant variability exists.

Principles of palliative nursing care in advanced PD:

Symptom management: aggressive treatment of pain, dyspnea, depression, anxiety, and constipation throughout the disease course — not only in the terminal phase
Comfort-focused feeding: when dysphagia becomes severe, engage in goals-of-care conversations about tube feeding. Evidence does not support survival benefit from percutaneous endoscopic gastrostomy (PEG) tube placement in advanced PD with dementia; comfort hand-feeding is often the preferred and appropriate alternative
Advance directives: ensure that current, documented preferences for resuscitation, mechanical ventilation, tube feeding, and hospitalization are in place and accessible
Caregiver support: PD caregiving is associated with high rates of depression, anxiety, and burden. Refer caregivers to support groups, respite services, and counseling
Hospice eligibility: patients with advanced PD who decline despite optimal therapy, have recurrent aspiration pneumonia, severe dysphagia with weight loss, or dependence in all ADLs may meet hospice eligibility criteria

Ethical considerations in PD:

Autonomy: Advance care planning should begin when patients retain full decision-making capacity. Nurses should advocate for early ACP conversations.
Capacity assessment: As PD progresses, assess decision-making capacity systematically. Distinguish cognitive impairment (reduced capacity) from communication impairment (dysarthria — capacity may be preserved).
Truth-telling and prognosis: Patients and families deserve honest prognostic information, communicated with sensitivity and allowing time for processing.
Withholding and withdrawing life-sustaining treatment: Consistent with ANA ethical standards, nurses may advocate for withholding or withdrawing treatment that no longer aligns with a patient’s expressed goals.

Unfolding Case Study: Mr. Yusuf Okonkwo, Age 68

Patient Introduction

Mr. Yusuf Okonkwo is a 68-year-old retired professor who was diagnosed with Parkinson’s disease seven years ago. He lives with his wife of 42 years in a two-story home. He has a history of hypertension and hyperlipidemia in addition to PD. His current medications include carbidopa-levodopa 25/100 mg three times daily, pramipexole 0.5 mg three times daily, lisinopril 10 mg daily, and atorvastatin 40 mg daily.

Phase 1: Emergency Department Presentation (0800)

Mr. Okonkwo’s wife calls 911 after he falls in the bathroom at home at 0700. He hit his head on the toilet and is unable to get up from the floor. He was confused upon awakening and she noticed he was unusually stiff. He reports that he missed his 0600 carbidopa-levodopa dose because he felt nauseated last night and skipped his evening medications too.

Vital signs on arrival:

BP: 142/88 mmHg (lying) → 108/64 mmHg (standing)
HR: 92 bpm
RR: 18 breaths/min
SpO₂: 96% on room air
Temperature: 37.2°C
GCS: 13 (eyes open to voice, confused, obeys commands)

Physical assessment findings:

Marked cogwheel rigidity bilateral upper extremities
Severe bradykinesia — difficulty initiating movement
3 cm scalp laceration, right temporal region
CT head: no intracranial hemorrhage
No focal neurological deficits beyond PD baseline

Clinical judgment questions — Phase 1:

The nurse identifies that Mr. Okonkwo missed several doses of carbidopa-levodopa. Which of the following is the priority nursing action?
- A. Administer his missed doses all at once to restore dopaminergic tone
- B. Hold medications until the neurologist provides explicit orders
- C. Administer the scheduled carbidopa-levodopa dose promptly and notify the neurology team regarding the missed doses
- D. Request a dopamine agonist subcutaneous injection as rescue therapy
Correct answer: C. Prompt administration of the scheduled dose and neurology notification is the priority. Abruptly omitting PD medications creates risk of parkinsonism-hyperpyrexia syndrome. Administering all missed doses at once risks severe dyskinesias and hypotension. Holding medications without a clinical justification delays treatment.
The nurse notes a blood pressure drop from 142/88 to 108/64 mmHg when Mr. Okonkwo attempts to sit up. Which of the following assessments and interventions is most appropriate?
- A. Administer IV fluids at 500 mL bolus immediately to treat septic shock
- B. Document the finding and recheck in 4 hours
- C. Recognize orthostatic hypotension, assist Mr. Okonkwo to a sitting position gradually, and apply compression stockings per order
- D. Initiate cardiac monitoring for suspected arrhythmia
Correct answer: C. The blood pressure change meets the definition of orthostatic hypotension (≥20 mmHg systolic drop). Gradual position changes and compression stockings are appropriate first-line non-pharmacological interventions. The findings do not indicate septic shock or arrhythmia.

Branch point:

Path A — Stabilization: Mr. Okonkwo’s medications are resumed on schedule; rigidity improves within 2 hours; he is admitted for observation and fall evaluation. → Continue to Phase 2 (Inpatient Admission).
Path B — Deterioration: Rigidity and hyperthermia worsen despite medication resumption, raising concern for parkinsonism-hyperpyrexia syndrome. → Proceed to ICU-level nursing care and emergent neurology consultation.

Phase 2: Inpatient Medical Unit — Day 1 (1400)

Mr. Okonkwo has been admitted to the medical-surgical unit. His medications have been resumed. He is now mildly confused (GCS 14), has a low-grade fever of 38.1°C, and his wife reports that he has been coughing with all liquids since this morning.

New clinical data:

Chest X-ray: patchy infiltrate right lower lobe
WBC: 12.4 × 10³/µL
Swallowing screen: coughing on thin liquids; wet/gurgly voice quality after water trial
Diet order: regular diet (not yet modified)

Clinical judgment questions — Phase 2:

Based on the swallowing screen results, which immediate nursing action is indicated?
- A. Encourage Mr. Okonkwo to take small sips with his head flexed forward
- B. Place the patient NPO and request an urgent speech-language pathology consult for formal dysphagia evaluation
- C. Thicken all liquids to nectar consistency per nursing judgment and continue the current diet
- D. Document the findings and await physician rounds to discuss
Correct answer: B. A failed swallowing screen with a concurrent infiltrate on CXR strongly suggests aspiration. NPO status and urgent SLP referral are the appropriate immediate actions. Nurses should not independently prescribe diet modifications; formal evaluation determines the appropriate texture level.
The nurse reviews the medication administration record and notes that the unit pharmacy has substituted carbidopa-levodopa extended-release (Sinemet CR) for the patient’s home immediate-release formulation. What is the nurse’s best action?
- A. Administer the extended-release formulation — it contains the same active ingredients
- B. Hold the medication and notify the neurologist, as extended-release and immediate-release formulations are not interchangeable without dose adjustment
- C. Crush the extended-release tablet to allow faster absorption
- D. Administer the extended-release tablet and monitor for dyskinesias
Correct answer: B. Extended-release and immediate-release carbidopa-levodopa have different pharmacokinetics and require dose adjustment when switching. Crushing extended-release tablets destroys the controlled-release mechanism. This substitution requires explicit neurologist guidance.

Branch point:

Path A — Recovery: Dysphagia is confirmed by SLP; modified texture diet initiated; aspiration pneumonia treated with antibiotics; Mr. Okonkwo improves over 3 days. → Continue to Phase 3 (Discharge Planning).
Path B — Escalation: Mr. Okonkwo develops worsening respiratory status with SpO₂ dropping to 88% and increasing work of breathing, requiring transfer to the step-down unit. → Proceed to Phase 3 with respiratory escalation focus.

Phase 3: Discharge Planning (Day 4)

Mr. Okonkwo is medically stable and is preparing for discharge home. His wife is present and highly engaged. The interprofessional team has met. Recommendations include outpatient PT and SLP, home health nursing, and a neurology follow-up appointment in 2 weeks.

Clinical judgment questions — Phase 3:

The nurse is completing discharge teaching. Which statement by Mrs. Okonkwo indicates that additional teaching is needed?
- A. “I will make sure he takes his Sinemet at the same times every day, even during the night.”
- B. “If he seems confused or extra stiff, I can give him an extra Sinemet tablet to help.”
- C. “I’ll keep the floors clear and make sure he has good lighting at night for bathroom trips.”
- D. “I will call the doctor if he has a fever, cough, or seems to be getting worse.”
Correct answer: B. Doubling or self-adjusting carbidopa-levodopa doses is dangerous and may cause severe dyskinesias, hypotension, or hallucinations. Mrs. Okonkwo should be taught that medication changes require provider consultation. The other statements reflect correct understanding.
The nurse is planning a home safety assessment referral. Which three elements of the home environment are the most critical to assess first? (Select all that apply)
- A. Presence of throw rugs or loose carpets in high-traffic areas
- B. Adequacy of bathroom safety equipment (grab bars, shower chair, raised toilet seat)
- C. Color of bedroom walls
- D. Lighting in hallways and stairwells
- E. Presence of a landline telephone
Correct answer: A, B, D. Throw rugs, inadequate bathroom safety equipment, and poor lighting are leading fall risk factors in the PD home environment. Wall color and telephone type are not priority safety concerns.

Debriefing

Key clinical concepts reinforced in this case:

Medication timing in Parkinson’s disease is a patient safety imperative. Missed levodopa doses in the inpatient setting can precipitate severe motor deterioration and, in extreme cases, parkinsonism-hyperpyrexia syndrome — a rare but life-threatening complication.
Orthostatic hypotension is common in PD and requires routine assessment with positional blood pressure measurements. It is both a disease manifestation and a medication side effect.
Dysphagia is prevalent in PD, frequently silent, and associated with aspiration pneumonia — the leading cause of pneumonia-related death in PD. Nurses must proactively screen for dysphagia and advocate for SLP evaluation.
Formulation substitution of carbidopa-levodopa requires explicit neurologist guidance; pharmacokinetic differences between immediate-release and controlled-release formulations are clinically significant.
Caregiver education must include clear instruction about what actions require provider notification and why self-adjusting medications is unsafe.

NCLEX-NG Clinical Judgment Measurement Model layers addressed:

Phase	CJMM Layer	Application
Phase 1	Recognize Cues (RC), Analyze Cues (AC)	Identifying missed medications, orthostatic hypotension, fall cause
Phase 1	Prioritize Hypotheses (PH)	Distinguishing drug-related motor deterioration from other causes
Phase 2	Generate Solutions (GS), Take Actions (TA)	Formulation substitution error; swallowing screen response
Phase 3	Evaluate Outcomes (EO)	Discharge teaching evaluation; home safety prioritization

QSEN competencies demonstrated:

Patient-Centered Care: Involving Mrs. Okonkwo in all phases of teaching and discharge planning; respecting cultural background and family caregiving role
Safety: Medication error prevention (formulation substitution); fall risk assessment; aspiration prevention
Evidence-Based Practice: LSVT LOUD referral; SLP-guided dysphagia management; home safety modification per evidence
Teamwork and Collaboration: Interprofessional team meeting; PT, OT, SLP, neurology coordination

Reflection questions for post-simulation discussion:

What systems-level factors in hospital settings contribute to missed or delayed PD medication doses? What role can nurses play in addressing these factors?
How would you adapt your communication strategies when educating a patient with hypophonia and early cognitive impairment about complex medication regimens?
Mrs. Okonkwo expresses that she feels overwhelmed and afraid to bring her husband home. How would you respond, and what resources would you offer?
How does the nurse’s role in this case exemplify the AACN Essential Domain 2 (Person-Centered Care) and Domain 6 (Interprofessional Partnerships)?

References and evidence base:

Parkinson’s Foundation. (2024). Statistics. https://www.parkinson.org/understanding-parkinsons/statistics
Kalia, L. V., & Lang, A. E. (2015). Parkinson’s disease. The Lancet, 386(9996), 896–912.
Jankovic, J. (2008). Parkinson’s disease: Clinical features and diagnosis. Journal of Neurology, Neurosurgery & Psychiatry, 79(4), 368–376.
Aarsland, D., Batzu, L., Halliday, G. M., et al. (2021). Parkinson disease-associated cognitive impairment. Nature Reviews Disease Primers, 7(1), 47.
Allen, N. E., Schwarzel, A. K., & Canning, C. G. (2013). Recurrent falls in Parkinson’s disease: A systematic review. Parkinson’s Disease, 2013, 906274.
Li, F., Harmer, P., Fitzgerald, K., et al. (2012). Tai Chi and postural stability in patients with Parkinson’s disease. New England Journal of Medicine, 366(6), 511–519.
Thaut, M. H., McIntosh, G. C., & Hoemberg, V. (2019). Neurobiological foundations of neurologic music therapy. Frontiers in Psychology, 10, 107.
American Nurses Association. (2015). Code of ethics for nurses with interpretive statements. ANA.
AACN. (2021). The essentials: Core competencies for professional nursing education. American Association of Colleges of Nursing.

Assessment and Evaluation

Formative Assessments

Assessment	Format	Timing
Module knowledge checks	5-question NCLEX-style quizzes per module	End of each module
Medication safety case vignette	Written response: identify the error and correct action	Module 5
Swallowing screen simulation	Skills lab check-off with standardized patient	Module 7
Interprofessional care map	Group activity: map team roles to patient needs	Module 10

Summative Assessments

Assessment	Weight	Description
Midterm examination	25%	50-item NCLEX-NG style examination covering Modules 1–5
Unfolding case study analysis	25%	Written analysis of a novel PD case study using the CJMM framework
Patient education project	25%	Develop a patient/family education resource for a specific PD topic; peer-reviewed using rubric
Final examination	25%	60-item NCLEX-NG style examination covering all modules; includes NGN alternate item formats

Grading Criteria

Grade	Percentage
A	93–100%
B	84–92%
C	75–83%
D	65–74%
F	Below 65%

A minimum grade of 75% (C) is required to pass each summative assessment. Students who do not achieve the minimum on any summative assessment will be referred for academic consultation.

References

American Association of Colleges of Nursing. (2021). The essentials: Core competencies for professional nursing education. AACN.

American Nurses Association. (2015). Code of ethics for nurses with interpretive statements. ANA.

Aarsland, D., Batzu, L., Halliday, G. M., et al. (2021). Parkinson disease-associated cognitive impairment. Nature Reviews Disease Primers, 7(1), 47. https://doi.org/10.1038/s41572-021-00280-3

Allen, N. E., Schwarzel, A. K., & Canning, C. G. (2013). Recurrent falls in Parkinson’s disease: A systematic review. Parkinson’s Disease, 2013, 906274. https://doi.org/10.1155/2013/906274

Bloem, B. R., Okun, M. S., & Klein, C. (2021). Parkinson’s disease. The Lancet, 397(10291), 2284–2303. https://doi.org/10.1016/S0140-6736(21)00218-X

Jankovic, J. (2008). Parkinson’s disease: Clinical features and diagnosis. Journal of Neurology, Neurosurgery & Psychiatry, 79(4), 368–376. https://doi.org/10.1136/jnnp.2007.131045

Kalia, L. V., & Lang, A. E. (2015). Parkinson’s disease. The Lancet, 386(9996), 896–912. https://doi.org/10.1016/S0140-6736(14)61393-3

Li, F., Harmer, P., Fitzgerald, K., et al. (2012). Tai Chi and postural stability in patients with Parkinson’s disease. New England Journal of Medicine, 366(6), 511–519. https://doi.org/10.1056/NEJMoa1107911

Parkinson’s Foundation. (2024). Statistics. https://www.parkinson.org/understanding-parkinsons/statistics

Thaut, M. H., McIntosh, G. C., & Hoemberg, V. (2019). Neurobiological foundations of neurologic music therapy. Frontiers in Psychology, 10, 107. https://doi.org/10.3389/fpsyg.2015.01185