Bladder sensation in peripheral nerve lesions

Area of Science:

• Urology
• Neurology
• Nephrology

Background:

• Peripheral nerve lesions can affect bladder function.
• Understanding the impact on bladder sensation is crucial for patient management.

Purpose of the Study:

• To compare bladder sensory data across three common peripheral nerve lesions.
• To investigate the relationship between nerve damage and bladder capacity.

Main Methods:

• Measured first sensation (FS) and bladder capacity (BC) in 71 patients.
• Included diabetic neuropathy, post-pelvic surgery, and cauda equina syndrome groups.
• Excluded patients with detrusor overactivity or low bladder compliance.

Main Results:

• Diabetic neuropathy showed significantly higher mean FS and BC compared to other groups.
• Increased bladder capacity correlated with higher post-void residual volumes.
• Somatic sensory disturbances were noted alongside bladder sensory changes in diabetic neuropathy.

Conclusions:

• Diabetic neuropathy more severely affects bladder sensation than intermediate/proximal nerve lesions.
• Bladder sensory disturbance can lead to infrequent toileting, bladder over-distension, and large post-void residuals.
• Urinary urgency in some patients may indicate afferent nerve fiber or urothelial irritation.