Variability of post-void residual urine volume and bladder voiding efficiency in patients with underactive bladder.

Lower Urinary Tract Symptoms
Makoto YonoOsamu Yamaguchi

Abstract

Post-void residual urine volume (PVR) and bladder voiding efficiency (BVE) are widely used as clinical parameters to evaluate patients with voiding dysfunction. The present study was conducted to assess the variability of PVR and BVE determinations in patients with underactive bladder (UAB). In addition, we focused on the bladder volume prior to voiding (BVvoid ) that may influence PVR and BVE, and investigated a correlation between PVR and BVvoid , and between BVE and BVvoid . Ten patients with a symptom complex of UAB, who had PVR of 50 mL or greater, were admitted to hospital during a 24-hour period for the measurement of voided volume (VV) and PVR. PVR was measured by transabdominal ultrasonography. BVE was expressed by a fraction (%) of bladder volume evacuated ([VV/BVvoid ] × 100). Ten patients, five men (mean age of 65.0 years) and five women (mean age of 70.2 years), participated in this study. Regardless of gender, there was a large variation in repeated measurements of PVR in an individual patient. PVR increased with an increase in BVvoid , and there was a significant linear relationship between PVR and BVvoid . BVE was approximately constant after every voiding in each patient, and there was no significant linear rel...Continue Reading

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Citations

Aug 4, 2021·International Journal of Urology : Official Journal of the Japanese Urological Association·Yoshihisa MatsukawaTokunori Yamamoto

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