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Surgical Stricturoplasty in the Treatment of Ileal Pouch Strictures

  • Original Article
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Journal of Gastrointestinal Surgery Aims and scope

Abstract

Objective

The objective of this study was to evaluate the efficacy of stricturoplasty and endoscopic balloon dilatation in the treatment for ileal pouch strictures.

Method

Consecutive inflammatory bowel disease patients with pouch strictures seen at our Pouch Center from 2002 to 2012 were studied. The efficacy and safety of stricturoplasty (vs. endoscopic balloon dilation) were evaluated with both univariate and multivariate analyses.

Results

A total of 167 patients met the inclusion criteria, including 16 (9.6 %) with surgical stricturoplasty and 151 (90.4 %) with endoscopic balloon dilation. Ninety-four patients (56.3 %) were male, with a mean age at the diagnosis of pouch stricture of 41.6 ± 13.2 years. Fifty-one patients (30.5 %) had multiple pouch strictures, while 100 (59.9 %) patients had strictures at the pouch inlet. The mean length of pouch strictures was 1.2 ± 0.6 cm. No difference was found between the stricturoplasty and endoscopic dilation groups in clinicopathological variables, except for the degree of strictures (p = 0.019). After a mean follow-up of 4.1 ± 2.6 years, pouch stricture recurred in 92 patients (55.1 %) and 21 (12.6 %) patients developed pouch failure. The time interval between the procedure and pouch stricture recurrence or pouch failure was longer in the stricturoplasty group than that in the endoscopic dilation group (p < 0.001). Patients in the two groups had similar overall pouch survival rates and stricture-free survival rates. In the multivariate analysis, stricturoplasty vs. endoscopic dilation was not significantly associated with either overall pouch survival or stricture-free survival. There was no difference in the procedure-associated complication rates between the two groups.

Conclusion

Surgical stricturoplasty and endoscopic dilation treatment are complimentary techniques for pouch strictures. Repeated endoscopic dilatations are often required, while surgical stricturoplasty appeared to yield a longer time interval to stricture recurrence or pouch failure.

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Abbreviations

CD:

Crohn’s disease

CI:

Confidence interval

EIM:

Extra-intestinal manifestations

EPACT:

European Panel on the Appropriateness of Crohn’s Disease Therapy

FAP:

Familial adenomatous polyposis

HR:

Hazard ratio

IBD:

Inflammatory bowel disease

IC:

Indeterminate colitis

IPAA:

Ileal pouch anal anastomosis

IQR:

Interquartile range

IRB:

Institutional Review Board

NSAID:

Non-steroidal anti-inflammatory drugs

PDAI:

Pouchitis Disease Activity Index

PSC:

Primary sclerosing cholangitis

UC:

Ulcerative colitis

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Acknowledgments

The authors thank Mr. Jeffrey P. Hammel for statistical support. The study was supported by research grants from Broad Foundation and the Crohn’s and Colitis Foundation of America (to B.S.). Dr. Xianrui Wu is a research fellow from the Department of Colorectal Surgery, the Sixth Affiliated Hospital of Sun Yat-sen University, and he is supported by the China National Oversea Scholarship.

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The authors declare no conflicts of interest.

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Correspondence to Bo Shen.

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Meeting Presentation

The abstract was presented as a poster at the Digestive Disease Week (SSAT) 2013, Orlando, FL.

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Wu, Xr., Mukewar, S., Kiran, R.P. et al. Surgical Stricturoplasty in the Treatment of Ileal Pouch Strictures. J Gastrointest Surg 17, 1452–1461 (2013). https://doi.org/10.1007/s11605-013-2216-3

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  • DOI: https://doi.org/10.1007/s11605-013-2216-3

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