Karnataka PGET Surgery MCQ Answer 3
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Voiding pressure flow studies remain the gold standard for the diagnosis of Bladder Outlet Obstruction (BOO). In fact, obstruction itself is defined based on the pressure-flow relation.
Farrar and colleagues used only flow rates to diagnose obstruction as they believed that low flow in the presence of normal or low detrusor pressures might be an indication of “relative” obstruction. This was defined as a maximum flow rate of <> 15 mL/sec with a voided volume of > 100 mL, a normal uroflow curve configuration, and no significant postvoid residual usually excludes outlet obstruction.
More info: Pressure Flow Urodynamic Studies: The Gold Standard for Diagnosing Bladder Outlet Obstruction;Victor W Nitti, MD, Rev Urol. 2005; 7(Suppl 6): S14–S21
Tags: MCQ, Surgery, Bladder outlet obstruction
Category: Karnataka PGET 2007 MCQs
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