DOES CHANGE IN POSTURE AND REPETITION AFFECT URODYNAMIC PARAMETERS: AN INSTITUTIONAL EXPERIENCE

Abstract

PURPOSE MATERIALS ANDTo investigate and look into the effect of posture and repetition of lling- cystometry on urodynamic parameters. METHODS 40 patients with lower urinary tract symptoms (LUTS) secondary to prostatomegaly who volunteered to participate in this study were randomly allocated into four groups namely: supine to supine (group Su-Su, n=10), sitting to sitting (group Si-Si, n=10), supine to sitting (group Su-Si, n=10), sitting to supine (group Si-Su, n=10). Each patient underwent lling cystometry twice in their previously assigned postures. Both, effect of posture and repetition on urodynamic parameters during lling cystometry were evaluated and analyzed. Correlation between clinically diagnosed overactive bladder (OAB) and urodynamic detrussor overactivity (DO) was also evaluated. A statistically signicantRESULT difference (p-value<0.05) was seen in all the bladder sensations on repetition of lling cystometry. However, there was no substantial effect of repetition on the occurrence of DO. The occurrence of urodynamic DO was signicantly higher in sitting posture compared to supine posture but no statistical difference was noted as far as the minimum volume and maximum pressure of DO are concerned. Change in postureCONCLUSION and repetition certainly affect urodynamic parameters during lling cystometry. Filling cystometry in supine posture causes the bladder to be relatively less sensitive and overactive but at the same time supine position does show the best correlation to OAB symptoms. With repetition of lling cystometry, bladder becomes less sensitive (irrespective of posture) resulting in higher volumes at which FSF, FD, ND, SD and MCC are attained.