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Sullivan M, Yalla SV  
Functional Studies to Assess Bladder Contractility

Journal für Urologie und Urogynäkologie 2007; 14 (1) (Ausgabe für Österreich): 7-10
Journal für Urologie und Urogynäkologie 2007; 14 (1) (Ausgabe für Schweiz): 7-9

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Abbildung
 
Isometric pressure
Abbildung 1: Schematic diagram of isometric pressure generated during the continuous occlusion test. Foley catheter is inserted into the bladder for simultaneous bladder filling and measurement of bladder pressure. From the detrusor contraction that is generated, the maximum isovolumetric pressure (Pisv), the slope of the contraction (deltaP/deltaT) and the duration that the isometric contraction remains above 50 % of its maximum (T50) can be determined. Top tracing demonstrates strong bladder contractility while bottom tracing reflects contraction that attains a similar maximum isovolumetric pressure but is phasic and poorly sustained.


Keywords: isometric pressureSchemaschemeUrologie
 
 
Maximum isovolumetirc pressure
Abbildung 2: Maximum isovolumetric pressure (Pisv) in patients with voiding dysfunction. Pisv is significantly higher in patients with detrusor overactivity (DO) and/or bladder outlet obstruction (BOO).


Keywords: diagramDiagrammmaximum isovolumetric pressureUrologie
 
 
 
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