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Updated: Aug 10, 2026
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The Use of Cystometry in Small Rodents: A Study of Bladder Chemosensation
Published on: August 21, 2012
Intravesical pressure and the TUR syndrome
1Department of Anaesthesia and Intensive Care, Stirling Royal Infirmary, Stirling FK8 2AU, UK. robgray@bigpond.com
Anaesthesia
|May 15, 2001
Summary
Elevated intravesical pressure during transurethral prostate resection correlates with irrigating fluid absorption. Monitoring bladder pressure may aid in managing difficult procedures and training surgeons.
Area of Science:
- Urology
- Surgical Technology
Background:
- Transurethral prostate resection (TURP) involves irrigating the bladder.
- Absorption of irrigating fluid can lead to complications.
- Intravesical pressure during TURP is a potential factor in fluid absorption.
Purpose of the Study:
- To investigate the relationship between intravesical pressure and irrigating fluid absorption during TURP.
- To identify if elevated bladder pressure is a common pathway for fluid absorption.
Main Methods:
- Continuous intravesical pressure monitoring using a suprapubic catheter during 35 TURP procedures.
- Ethanol tagging of irrigating fluid and expired breath analysis to detect fluid absorption.
- Correlation analysis of pressure data with absorption and known risk factors.
Main Results:
- Patients absorbing irrigating fluid exhibited significantly higher mean intravesical pressure (19.1 mmHg) compared to non-absorbing patients (12.4 mmHg; p=0.00004).
- Higher peak intravesical pressures were observed in patients with fluid absorption.
- Operator experience and resectate mass correlated with prolonged pressure exposure.
Conclusions:
- Elevated intravesical pressure is a key factor associated with irrigating fluid absorption during TURP.
- Supranormal bladder pressure over time appears to be the common mechanism for fluid absorption.
- Bladder pressure monitoring could serve as a valuable feedback tool for surgical training and managing complex cases.
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