Skip Navigation LinksHome > June 2009 - Volume 52 - Issue 6 > Long-Term Results of Intersphincteric Resection for Low Rect...
Diseases of the Colon & Rectum:
doi: 10.1007/DCR.0b013e31819f5fa2
Original Contributions

Long-Term Results of Intersphincteric Resection for Low Rectal Cancer.

Yamada, Kazutaka M.D., Ph.D.; Ogata, Shunji M.D.; Saiki, Yasumitsu M.D.; Fukunaga, Mitsuko M.D.; Tsuji, Yoriyuki M.D., Ph.D.; Takano, Masahiro M.D., Ph.D.

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Abstract

PURPOSE: Intersphincteric resection has been performed as an alternative to abdominoperineal resection for low rectal cancer. The purpose of this study was to assess the long-term results after intersphincteric resection in terms of the morbidity, oncologic safety, and defecatory function.

METHODS: Between 1994 and 2006, 107 consecutive patients with low rectal cancer had curative intersphincteric resection, categorized as total, subtotal, or partial resection of the internal anal sphincter.

RESULTS: There were no mortalities. Neorectal mucosal prolapse in patients with total intersphincteric resection and coloanal anastomotic stenosis in patients with subtotal or partial intersphincteric resection were observed as characteristic late complications. The five-year disease-free survival rates classified according to the TNM stage were 100 percent for stage I, 83.5 percent for stage II, and 72.0 percent for stage III cases. The five-year cumulative local recurrence rate after intersphincteric resection was 2.5 percent. Defecatory function, which was evaluated by bowel movement in a 24-hour period, and continence after intersphincteric resection were objectively good. The results of the multivariate analysis revealed that age was the only factor associated with a risk of fecal incontinence.

CONCLUSION: Provided strict selection criteria are used, intersphincteric resection may be the optimal sphincter-preserving surgery for low rectal cancer.

© The ASCRS 2009

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