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Dis Colon Rectum. 1997 Jul;40(7):747-51.

Abdominoperineal excision of the rectum--an endangered operation. Norman Nigro Lectureship.

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  • 1Colorectal Research Unit, The North Hampshire Hospital, Basingstoke, United Kingdom.

Abstract

PURPOSE:

This study was undertaken to test the efficacy of an extreme policy of sphincter conservation by combining precise total mesorectal excision with low stapling techniques and endoluminal lavage to guard against implantation.

METHODS:

A total of 136 consecutive operations for cancer below 5 cm from the anal verge has been prospectively documented and followed for a mean of 7.7 (range, 1-18) years. A total of 105 of the operations were anterior resections (77 percent), and 31 were abdominoperineal excisions (23 percent).

RESULTS:

The oncologic results in the 105 patients who underwent anterior resections appear greatly superior to those of the patients who underwent abdominoperineal excisions, although the number of abdominoperineal excisions was small (31). Actuarial local recurrence at six years for anterior resection and total mesorectal excision was 1 percent for 85 curative procedures and 4 percent for all cases (n = 100), compared with 33 and 47 percent for abdominoperineal excisions (n = 15 and 31). Only four recurrences were observed below the level of the levators, three in the wound of an abdominoperineal excision and one in a stapled anastomosis after a palliative excision. No cases of nodal metastasis in the ischiorectal fossa were observed.

CONCLUSION:

In a unit specializing in sphincter conservation, precise total mesorectal excision from above appears oncologically superior to abdominoperineal excision. Three-fourths of patients with carcinoma of the lower one-third of the rectum can be offered sphincter-conserving surgery, although temporary defunctioning is probably prudent in such cases. The wound of an abdominoperineal excision may be a prerequisite for perineal recurrence, which may often be caused by implantation.

PMID:
9221846
[PubMed - indexed for MEDLINE]
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