...R.L. Vereecken From an analysis of 202 patients and a careful literature analysis we conclude that pathological urethral instability should be differentiated from physiological urethral pressure variations by the following criteria: a pronounced amplitude of at least one third of the maximum...

...P.M. Groenendijk; J.P.F.A. Heesakkers; T.J. Ouwerkerk; A.A.B. Lycklama à Nijeholt The role of urethral pressure variations during filling cystometry is seldom assessed as a potential cause of voiding dysfunction and/or storage disorders. In this article, we review current research in the field...