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KMID : 1011820170580010034
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Investigative and Clinical Urology
2017 Volume.58 No. 1 p.34 ~ p.41
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The effect of posture and repetition on urodynamic parameters: A prospective randomized study
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Jeon Ho-Joon
Choo Min-Soo
Oh Seung-June
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Abstract
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Purpose: To evaluate the effect of posture and repetition of filling cystometry on urodynamic parameters.
Materials and Methods: Seventy-one men with benign prostatic hyperplasia participated in a urodynamic study between September 2015 and August 2016 and were randomly assigned to a supine to supine (group SS, n=16), erect to erect (group EE, n=16), supine to erect (group SE, n=19) or erect to supine (group ES, n=20) group. The patients underwent filling cystometry twice. We evaluated the effect of posture and the effect of repetition on filling cystometric parameters. We also evaluated the correlation between overactive bladder (OAB) and detrusor overactivity (DO) and between maximum voided volume (MVV) and maximum cystometric capacity (MCC) for each posture and filling cystometry time.
Results: There was a decrease in bladder sensation and occurrence of DO, and an increase in bladder compliance and MCC in the supine posture group compared to that in the erect posture group. A more significant decrease in bladder sensation and occurrence of DO as well as an increase in MCC was seen during the second filling cystometry than the first one. The supine posture during first filling cystometry showed a better correlation between OAB and DO and between MVV and MCC than erect posture.
Conclusions: There were clear effects of posture and filling cystometry repetition on urodynamic parameters. The supine posture and repeated filling cystometry caused the bladder to be less sensitive and less overactive. The supine posture showed a better correlation to OAB symptoms than erect posture during first filling cystometry.
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KEYWORD
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Lower urinary tract symptoms, Posture, Urodynamics
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