Background: For over 10 years sacral nerve stimulation (SNS) has been used for patients with constipation resistant to conservative treatment. A review of the literature is presented.Methods: PubMed, MEDLINE and Embase databases were searched for studies demonstrating the use of SNS for the treatment of constipation.Results: Thirteen studies have been published describing the results of SNS for chronic constipation. Of these, three were in children and ten in adults. Test stimulation was successful in 42-100 per cent of patients. In those who proceeded to permanent SNS, up to 87 per cent showed an improvement in symptoms at a median follow-up of 28 months. The success of stimulation varied depending on the outcome measure being used. Symptom improvement correlated with improvement in quality of life and patient satisfaction scores.Conclusion: SNS appears to be an effective treatment for constipation, but this needs to be confirmed in larger prospective studies with longer follow-up. Improved outcome measures need to be adopted given the multiple symptoms that constipation may be associated with. Comparison with other established surgical therapies also needs consideration.
Surgical management of ECF is safe and improving. Fistula healing is affected by aetiology, comorbidity and source of referral. The scoring system has the potential to predict ECF healing and can be a useful clinical decision-making tool.
Cure of RVF can be achieved by a range of surgical approaches including abdominal and anal. A variety of different anal techniques are necessary, depending on the integrity of the anal sphincter and the presence or absence of perineal descent/internal intussusception.
We have shown that it is safe and reasonable to offer fistulotomy to appropriate patients despite previous surgery and within the tertiary setting. By so doing, a very high rate of healing can be achieved in patients who have previously failed. The additional risk of impairment of continence is around one in five, and in the majority will represent only minor incontinence.
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