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Micturitional disturbance in pure autonomic failure
R Sakakibara1, T Hattori, T Uchiyama
1Department of Neurology, Chiba University, Japan.
Neurology
|February 11, 2000
Summary
Urinary symptoms are common in pure autonomic failure. Urodynamic studies reveal diverse bladder abnormalities, including detrusor hyperreflexia and sphincter dyssynergia, due to autonomic nervous system dysfunction.
Area of Science:
- Urology
- Neurology
- Autonomic Nervous System Research
Background:
- Pure autonomic failure (PAF) is a neurodegenerative disorder affecting the autonomic nervous system.
- Urinary dysfunction can be a significant but often under-recognized symptom in patients with PAF.
Purpose of the Study:
- To investigate the urodynamic findings in patients diagnosed with pure autonomic failure.
- To characterize the spectrum of micturitional disturbances associated with PAF.
Main Methods:
- Micturitional histories were collected from six patients with PAF.
- Urodynamic studies were conducted to assess bladder function and sphincter activity.
Main Results:
- All patients reported urinary symptoms.
- Urodynamic findings included postmicturition residuals, small bladder capacities, detrusor hyperreflexia, low bladder compliance, detrusor-external sphincter dyssynergia, abnormal sphincter electromyography, and bladder denervation supersensitivity.
Conclusions:
- Micturitional disturbances are a prevalent feature of pure autonomic failure.
- These urinary issues stem from both peripheral and central autonomic nervous system abnormalities.