Bladder Dysfunction in Parkinsonian Disorders
Summary
Parkinsonian disorders encompass a spectrum of neurodegenerative conditions in which bladder dysfunction ranks among the most disabling non-motor manifestations. Degeneration of central and peripheral autonomic pathways—spanning striatal, pontine and sacral spinal centres—disrupts the coordinated control of storage and voiding. Patients commonly develop detrusor overactivity, manifesting as urgency, frequency and nocturia, alongside impaired detrusor contractility or outlet obstruction that leads to urinary retention and elevated post-void residual volumes. Such symptoms intensify with advancing disease and are particularly pronounced in atypical parkinsonism, notably multiple system atrophy, where early sacral involvement may precipitate catheter-dependent retention. Bladder dysfunction profoundly undermines quality of life, fragmenting sleep and compounding disability. Effective management demands a holistic strategy incorporating detailed clinical assessment, urodynamic testing and personalised therapies—from antimuscarinic agents and botulinum toxin injections to neuromodulation and optimised dopaminergic regimens.
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Bladder Dysfunction in Parkinsonian Disorders publication trend
The graph below shows the total number of articles in bladder dysfunction in parkinsonian disorders across all publications each year (not limited to Nature Index journals).
Technical terms
Detrusor overactivity: Involuntary contractions of the bladder muscle during the storage phase, causing urgency and frequency.
Post-void residual volume: The amount of urine remaining in the bladder after voluntary voiding, used as an indicator of incomplete emptying.
Overactive bladder: A clinical syndrome characterised by urinary urgency, usually with increased frequency and nocturia, with or without incontinence.
Functional near-infrared spectroscopy (fNIRS): A non-invasive imaging technique that measures cortical oxygenation changes to infer neuronal activity.
Alpha-synucleinopathy: A neurodegenerative condition marked by abnormal accumulation of alpha-synuclein protein in neurons, as seen in Parkinson’s disease and related disorders.
References
- Associations between non-motor symptoms and patient characteristics in Parkinson’s disease: a multicenter cross-sectional study. Frontiers in Aging Neuroscience (2023).
- Pattern of prefrontal cortical activation and network revealed by task-based and resting-state fNIRS in Parkinson’s disease’s patients with overactive bladder symptoms. Frontiers in Neuroscience (2023).
- Early presentation of urinary retention in multiple system atrophy: can the disease begin in the sacral spinal cord?. Journal of Neurology (2019).
- Prevalence of lower urinary tract symptoms, urinary incontinence and retention in Parkinson's disease: A systematic review and meta-analysis. Frontiers in Aging Neuroscience (2022).
- Treatment Options for Urogenital Dysfunction in Parkinson’s Disease. Current Treatment Options in Neurology (2016).
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