[The functional and manometric-volumetric results following abdominal rectopexy for total rectal prolapse]

Abstract

Functional changes after the posterior abdominal rectopexy for the treatment of rectal prolapse are not fully understood. We studied the effects of Wells' or Ripstein's rectopexy on functional characteristics as related to anal sphincter function, rectal volume and sensory function in 21 patients with complete rectal prolapse. We have observed an improvement of continence over 70 per cent in both groups. However, an absent or a decreased call to stool, constipation and evacuation difficulties are the aftermath of Wells' rectopexy, while these complaints appear basically unaffected by Ripstein's technique. Sensory thresholds for sense of filling and urge were significantly raised after Wells' rectopexy even one year after operation, whereas after Ripstein's operation sense of filling was not significantly affected and while sense of urge was increased early postoperatively, it was not significantly changed at one year postoperative control. In conclusion, when fecal incontinence appears associated to a complete rectal prolapse has good chances to improve postoperatively. Preoperative evacuation difficulties seems to be unaffected by a posterior abdominal rectopexy, Wells or Ripstein, but an extensive dissection of the rectum with the division of the lateral stalks, as it is performed in Wells' operation, seems to be a procedure that can create a further burden of problems to the patient and it seems coupled to a manovolumetric elevation of rectal sensory thresholds.