| Pathogenesis and Surgical Treatment of Rectal Prolapse Syndrome. |
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Kim, Jin Cheon , Kim, Chang Nam , Park, Sang Kyu , Kim, Sook Young , Yu, Chang Sik |
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| Abstract |
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The rectal prolapse syndome is a disease entity includes rectocele and rectal prolapse, presenting prolapse(procidentia) of rectum. In rectocele, rectum is prolapsed anteriorly into the vagina, whereas in procidentia, inferiorly out of the anus. This study was aimed at analyzing pathogenesis and adequacy of surgical treatment in rectocele and rectal prolapse. Twenty-one patients with rectocele and 18 patients with rectal prolapse were assessed pre- and post-operatively in respect to symptoms and signs, pathogenesis, defecography, and manometry. In analysis of symptoms and sings, constipation was the commonest in both diseases(86% of rectocele and 67% of rectal prolapse) and incontinence was not infrequently found in both diseases as well(14% of rectocele and 33% of rectal prolapse). In analysis of the underlying causes, two patients with rectal prolapse had prolapse from childhood.
Defecography showed anorectal angle of rectal prolapse in rest and push period. They were significantly wider than those of rectocele(p<0.05). The perineal descent of rectal prolapse was longer than that of rectocele. In analysis of the associated factors, average number of delivery was more than three times in both diseases(3.5 of rectocele and 5.1 of rectal prolapse). We could easily find previous operation history in both diseases. Among them, hysterectomy was the most frequent, especially in patients with rectocele. The hemorrhoids was associated more common in rectocele than in rectal prolapse(p<0.05). Preoperative maximal resting pressure of rectal prolapse was more significantly decreased than that of rectocele(p<0.05). The sensation of fullness was significantly decreased in patients with rectal prolapse postoperatively(p<0.05). Patients with rectocele underwent levator plication by transrectal or vaginal approach.
Patients with rectal prolapse underwent posterior rectopexy in 11 patients, resection and rectopexy in 3 patients, Delorme's operation and Thiersch operation in 2 patients each.
Constipation was significantly improved in patients with rectocele postoperatively(p<0.05). Incontinence was markedly improved in patients with rectal prolapse postoperatively(p<0.05). At the interview about subjective improvement of symptom, 95% of patients with rectocele and 89% of patients with rectal prolapse were satisfied with surgery. In conclusion, rectocele and rectal prolapse can be categorized as rectal prolapse syndrome because both diseases have anatomical derangements caused by similar pathogenesis such as altered bowel habits, anatomical factor, delivery, past history of hysterectomy, and hemorrhoids. Levator plication and posterior rectopexy seem to be useful surgical methods of anatomical repair for the respective disease. |
| Key Words:
Rectal prolapse syndrome; Rectocele; Rectal prolapse; Pathogenesis; Surgical treatment |
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