Related Experiment Videos
Cardiovascular reflexes and pudendal evoked responses in chronic haemodialysis patients
M A Nogués1, S Starkstein, M Dávalos
1Institute of Neurological Research Dr Raúl Carrea (Fleni), Buenos Aires, Argentina.
Insights
Bulbocavernous reflex (BCR) and cortical pudendal evoked responses (CPERs) effectively assess impotence in patients undergoing chronic haemodialysis. These methods correlate with cardiovascular tests, offering valuable diagnostic insights for uremic patients.
Area of Science:
- Neuroscience
- Urology
- Nephrology
Background:
- Chronic haemodialysis patients often experience impotence.
- Assessing impotence in this group requires reliable diagnostic tools.
Purpose of the Study:
- To evaluate the utility of bulbocavernous reflex (BCR) and cortical pudendal evoked responses (CPERs) in diagnosing impotence in patients on chronic haemodialysis.
- To correlate these neurophysiological tests with cardiovascular autonomic function tests.
Main Methods:
- Performed BCR, CPERs, non-invasive cardiovascular tests (including Valsalva ratio), and nerve conduction studies.
- Compared results between 16 patients on chronic haemodialysis and a control group of normal subjects.
Main Results:
- BCR and CPERs showed more severe impairment in impotent haemodialysis patients.
- A significant correlation was found between the Valsalva ratio and P1 latency of CPERs.
- Both BCR and CPERs demonstrated potential as diagnostic tools.
Conclusions:
- BCR and CPERs are viable alternative techniques for assessing impotence in uremic patients.
- These neurophysiological tests provide valuable information regarding sexual dysfunction in chronic kidney disease.
- The findings support the use of BCR and CPERs in clinical practice for this patient population.
Abstract:
The bulbocavernous reflex (BCR), cortical pudendal evoked responses (CPERs), non-invasive cardiovascular tests and nerve conduction studies were performed in 16 patients on chronic haemodialysis and in a group of normal subjects. BCR and CPERs were more severely affected in patients with impotence. There was a significant correlation between the Valsalva ratio and P1 latency of the CPERs. The BCR and CPERs are alternative techniques for the assessment of impotence in uremic patients.