IngentaConnect Controlled digital anal dilatation under total neuromuscular bloc...

Authors: Strugnell N.A.¹; Cooke S.G.¹; Lucarotti M.E.¹; Thomson W.H.^{1, *}

Source: British Journal of Surgery, Volume 86, Number 5, May 1999 , pp. 651-655(5)

Abstract:

Background: There is widespread antipathy to digital dilatation of the anus (DDA) for medically resistant anal fissure. A retrospective study was therefore undertaken to test the validity of the criticism of this technique.

Methods: Some 273 patients who underwent DDA for fissure between November 1982 and July 1997 were sent a questionnaire and/or telephoned. Those with impaired control were offered investigation. In addition, routine clinic follow-up data were scrutinized in the 302 available notes of the 307 patients who had undergone DDA for fissure to determine its efficacy.

Results: Some 241 patients (88·3 per cent) were contacted successfully a median of 7·8 years after operation. Follow-up records showed the fissure to have healed in 89·1 per cent of 302 patients. No patient was rendered incontinent. Fifteen patients indicated persistently impaired control in the questionnaire, nine (3·8 per cent) as a result of the DDA and six preceding it. All 23 patients who had experienced either temporary or permanent impairment, whether or not pre-existing, were invited to attend for ultrasonography and manometric measurements, of whom 18 accepted. No sphincteric fragmentation was seen, and resting and squeeze pressures did not differ from normal.

Conclusion: A single DDA appears to heal 89 per cent of chronic anal fissures. Consequent impairment of control is infrequent and minor if the procedure is performed carefully and with the patient paralysed.

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Controlled digital anal dilatation under total neuromuscular blockade for chronic anal fissure: a justifiable procedure