[Vesical sphincter disorders in Parkinson disease]

Area of Science:

• Neurology
• Urology

Background:

• Urinary bladder disorders are common in Parkinson's disease (PD).
• Early assessment of urinary symptoms is crucial for treatment decisions, particularly before prostate surgery.
• Understanding the pathophysiology of bladder dysfunction in PD is essential for patient care.

Observation:

• This study examined 41 patients with Parkinson's disease.
• Bladder hyperreflexia was observed in 88% of patients, while 12% exhibited bladder hyporeflexia.
• Apomorphine administration improved bladder activity in hyperreflexic patients but not in hyporeflexic ones.

Findings:

• The high prevalence of bladder hyperreflexia in PD suggests a link to nigrostriatal dopamine depletion.
• Apomorphine's efficacy in improving hyperreflexia supports the role of dopamine deficiency.
• The underlying mechanisms of bladder hyporeflexia in Parkinson's disease remain less understood.

Implications:

• These findings highlight the importance of evaluating bladder function in Parkinson's patients.
• Dopamine modulation may be a therapeutic target for urinary disorders in PD.
• Further research is needed to elucidate the pathophysiology of bladder hyporeflexia in Parkinson's disease.