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Since the colonic J-pouch with a colo-anal anastomosis was first introduced in 1986, many reports have shown the superiority of this design as compared to a "straight" colo-anal anastomosis. These advantages have been demonstrated in retrospective, prospective, and prospectively randomized reports. Furthermore, these attributes are realized for at least 12 and possibly more than 24 months after surgery.
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Wexner et al. (1998) studied this question.
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