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07.06.2019 | Original Article | Ausgabe 7/2019

International Journal of Colorectal Disease 7/2019

Postoperative functional outcomes and complications of partially intraanal canal anastomosis in stapled ileal pouch anal anastomosis for ulcerative colitis

Zeitschrift:
International Journal of Colorectal Disease > Ausgabe 7/2019
Autoren:
Akira Sugita, Kazutaka Koganei, Kenji Tatsumi, Ryo Futatsuki, Hirosuke Kuroki, Kyoko Yamada, Hideaki Kimura, Tsuneo Fukushima
Wichtige Hinweise

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Abstract

Aim

For ulcerative colitis (UC), stapled ileal pouch anal anastomosis (IPAA) reportedly results in better bowel function than does IPAA with mucosectomy. However, a potential cancer risk in the remnant mucosa has been observed. The clinical results of IPAA by double stapling technique (DS-IPAA) in which the anastomotic line was on the dentate line at posterior wall and the top of anal canal at anterior wall (“Partially intraanal canal anastomosis”: PICA) to reduce the remnant mucosa were evaluated.

Methods

Clinical results of PICA were retrospectively compared with those by DS-IPAA with anastomosis at above the anal canal on 1 year after open surgery. Of 211 UC cases that underwent DS-IPAA, 146 cases (69%) with PICA who were confirmed by the squamous epithelium on the posterior part of the distal donuts were included. Sixty-five cases with anastomosis above the anal canal were evaluated as the control. One stage surgery underwent in 95% of PICA and 93% of control.

Results

One year after surgery, each group had six bowel movements daily. Nighttime evacuation was found in 16% of PICA and in 20% of control. Soiling was found in 1% of PICA and 4.8% of control. After one stage operation, anastomotic leakage that needed ileostomy was observed in 0.7% of PICA and 3% of control.

Conclusion

Partially intraanal canal anastomosis (PICA) can reduce anal canal mucosa with the same postoperative bowel function and complication rate as DS-IPAA above the anal canal. This procedure may be feasible for UC patients who can tolerate this procedure in terms of decreasing postoperative cancer risk.

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