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The significance and factors related to bladder outlet obstruction in pelvic floor dysfunction in preoperative urodynamic studies: A retrospective cohort study

Authors
 Yoo Jin Lee  ;  Soo Rim Kim  ;  Sei Kwang Kim  ;  Sang Wook Bai 
Citation
 Obstetrics & Gynecology Science, Vol.57(1) : 59-65, 2014 
Journal Title
Obstetrics & Gynecology Science
ISSN
 2287-8572 
Issue Date
2014
Keywords
Bladder trabeculation ; Pelvic organ prolapsed ; Stress urinary incontinence ; Urinary bladder neck obstruction ; Urodynamic study
Abstract
Objective : To demonstrate the significance of bladder outlet obstruction (BOO) in preoperative urodynamic studies (UDS) in women who have been diagnosed with pelvic floor dysfunction including pelvic organ prolapsed (POP) and stress urinary incontinence (SUI).

Methods : The medical records of 150 patients with pelvic floor dysfunction who underwent preoperative UDS at Yonsei University Health System from 2006 to 2012 were reviewed. Under the criteria of BOO, as a maximal flow rate in free-flow study (Qmax) less than 12 mL/sec and a detrusor pressure at Qmax in pressure-flow study (PdetQmax) higher than 20 cmH2O in UDS, they were divided into two groups: a group of 50 patients with BOO and a group of 100 patients without BOO. Comparisons were made between the patients with and without BOO in preoperative UDS.

Results : In the POP-with-SUI group, 25 patients with BOO had lower mean Qmax (10.0 vs. 25.4 mL/sec, P < 0.001), higher PdetQmax (49.6 vs. 21.5 cmH2O, P < 0.001), lower maximum cystometric capacity (422.7 vs. 454.0 mL, P = 0.007), and higher postvoidal residual volume (44.3 vs. 21.1 mL, P = 0.021) than the patients without BOO. In the SUI-only group, the mean Qmax was significantly lower in the 25 patients with BOO (9.4 vs. 25.4 mL/sec, P < 0.001). The mean PdetQmax was significantly higher with BOO (39.6 vs. 25.4 cmH2O, P = 0.004). In the univariate analyses, menopause, maximum cystometric capacity, and cystoscopic bladder trabeculation were associated with BOO.

Conclusion : In the univariate analysis, menopause, MCC and cystoscopic bladder trabeculation were associated with BOO. In the multivariate model, however, no significant association with BOO was found.
Files in This Item:
T201400329.pdf Download
DOI
10.5468/ogs.2014.57.1.59
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Obstetrics and Gynecology (산부인과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Sei Kwang(김세광)
Kim, Soo Rim(김수림)
Bai, Sang Wook(배상욱) ORCID logo https://orcid.org/0000-0001-7724-7552
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/98123
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