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Pitfalls of measuring residual urine volume in orthotopic neobladders
1Department of Urology, Kobe University School of Medicine, Japan.
Objective:
To investigate the pitfalls of measuring postvoid residual urine volume (PVR) in patients with orthotopic neobladders, in an out-patient clinic.
Patients And Methods:
Fifteen patients with orthotopic neobladders were enrolled in the study; five patients had a colonic neobladder, five an ileocolic neobladder and five a sigmoid neobladder. The PVR was compared after measuring by catheterization under fluoroscopic monitoring after normal or forced voiding.
Results:
The PVR after forced voiding was always less than that after natural voiding, regardless of the type of neobladder.
Conclusions:
Patients with orthotopic neobladders may have a higher PVR after voiding naturally at home than when the PVR measured in hospital.