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Stop‐flow Measurement of Detrusor Contractility in Bladder Outflow Obstruction
Author(s) -
KINN ANNECHARLOTTE
Publication year - 1989
Publication title -
british journal of urology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.773
H-Index - 148
eISSN - 1464-410X
pISSN - 0007-1331
DOI - 10.1111/j.1464-410x.1989.tb06044.x
Subject(s) - contractility , isometric exercise , medicine , urology , residual volume , hyperplasia , urinary bladder , detrusor muscle , urination , urinary system , lung volumes , lung
Summary— Detrusor contractility was evaluated by measuring the increase in isometric pressure during a stop test in 25 men with benign prostatic hyperplasia. Before transurethral prostatic resection (TUR), a low pressure increase (ΔP det iso ) was associated with a large volume of residual urine. After TUR both the speed and the amplitude of isometric detrusor contractions during the stop test increased. A pre‐operative low detrusor pressure increase was correlated with a great improvement in flow rate after TUR. The value of the stop‐flow test was limited, however, since improvement in other urodynamic parameters could not be predicted.

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