Will cesarean section increase the risk of interstitial cystitis/painful bladder syndrome?

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Chang, Kun-Min
Lee, Ming-Huei
Lin, Hsuan-Hung
Wu, Shang-Liang
Wu, Huei-Ching
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2018
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Abstract

Aims A high number of patients with interstitial cystitis/painful bladder syndrome (IC/PBS) have a history of pelvic surgeries, and cesarean section is one of the most common pelvic surgeries in women. This study aimed to investigate if cesarean section increases the risk of IC/PBS.

Methods Women who exclusively gave birth through cesarean section or vaginal delivery were identified from a nationwide database between 2002 and 2013. All were followed up during the study period to detect the event of IC/PBS. The IC/PBS hazard ratio (HR) in the cesarean cohort was compared with the vaginal delivery cohort with and without matching for confounding factors.

Results The unmatched group included 22 158 cesarean deliveries and 40 214 vaginal deliveries. The IC/PBS HR in the cesarean cohort compared with that in the vaginal delivery cohort was 1.370 (95% confidence interval [CI], 0.903‐2.079; P = 0.139). In the matched group, 8368 women were matched in each cesarean and vaginal delivery cohort using propensity scores for age and comorbidities. The IC/PBS HR was 0.725 (95%CI, 0.358‐1.471; P = 0.373). Both HRs in these two groups were not significantly different. The incidence density of IC/PBS in delivered women, non‐delivery women, and the general female population were not significantly different either (0.310, 0.255, and 0.292 per 1000 person‐years, respectively; P = 0.549).

Conclusions The risk of IC/PBS was not different between cesarean and vaginal delivery after controlling the confounding factors in this cohort study. Cesarean section has no causal effect on IC/BPS. Furthermore, delivery was not a risk factor for IC/PBS.

Journal Title
Neurourology and Urodynamics
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37
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8
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Clinical sciences
Neurosciences
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Interstitial cystitis
C‐section
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