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SYMPOSIUM
Year : 2009  |  Volume : 25  |  Issue : 1  |  Page : 116-121

The penile cuff test: A clinically useful non-invasive urodynamic investigation to diagnose men with lower urinary tract symptoms


1 Department of Urology, Freeman Hospital, Newcastle upon Tyne, United Kingdom
2 Department of Medical Physics, Freeman Hospital, Newcastle upon Tyne, United Kingdom
3 Department of Urology, Freeman Hospital, Newcastle upon Tyne; School of Surgical and Reproductive Sciences, Newcastle University, Newcastle upon Tyne, United Kingdom

Correspondence Address:
Robert Pickard
Freeman Hospital, Newcastle upon Tyne NE7 7DN
United Kingdom
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0970-1591.45549

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Objectives: To summarize the development of a novel non-invasive test to categorize voiding dysfunction in men complaining of lower urinary tract symptoms (LUTS) - the penile cuff test. Methods: The test involves the controlled inflation of a penile cuff during micturition to interrupt voiding and hence estimate isovolumetric bladder pressure (p ves.isv ). The validity, reliability, and clinical usefulness of the test were determined in a number of studies in men with LUTS. Results: The penile cuff test can be successfully performed in over 90% of men with LUTS. The reading of cuff pressure at flow interruption (p cuff.int ) gives a valid and reliable estimate of invasively-measured p ves.isv and when combined with the reading for maximum flow rate obtained during the test (Q max ) produces an accurate categorization of bladder outlet obstruction (BOO). Use of this categorization prior to treatment allows improved prediction of outcome from prostatectomy. Conclusion: The penile cuff test fulfils the criteria as a useful clinical measurement technique applicable to the diagnosis and treatment planning of men with LUTS.


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