Rectal Prolapse and Rectal Invagination

ISSN： 1102-4151

Source： European Journal of Surgery, Vol.164, Iss.5, 1998-06, pp. : 323-332

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Abstract

Solitary rectal ulcer, internal rectal intussusception, and complete rectal prolapse are a range of defaecatory disorders that may have a common aetiology, namely chronic straining. If the pelvic floor is weak, external prolapse is often complicated by faecal incontinence. Few patients, a lack of randomised trials, and difficulties in the interpretation of studies of anorectal physiology (the results of which often seem conflicting) have made the understanding of these disorders difficult. The basis for treatment is clear, however—patients who have symptomatic defaecatory disorders associated with an internal intussusception, or solitary rectal ulcer, or both should have a course of training of pelvic floor muscles, dietary advice, and should use fibre supplements as primary treatment. Operation should be reserved for those patients in whom medical treatment has failed, and it may be expected to relieve symptoms in above two thirds of patients. Defaecating proctography may be useful in assessing which patients may not benefit from operation. Operation is the primary treatment for external prolapse. The choice of surgical approach should be tailored according to the expertise available, the medical condition of the patient, and the presence or absence of pre-existing constipation or incontinence.