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In this randomized study, a comparison is made between conventional fistulotomy and fistulotomy performed by using radiowaves.One hundred and twenty patients with low anal fistula posted for fistulotomy were randomizedprospectively to either conventional or radiowave fistulotomy technique. Parameters measured included time taken for theprocedure, amount of blood loss, postoperative pain, return to work and recurrence rate.Fistulotomy using radiowaves took less time as compared with conventional surgery. The amount of bleeding was significantly less; hospital stay was less when patients were operated by radiowaves. Postoperative pain in the first 24 hours was more in conventional group. The patients from radiowave group resumed their duties early with a reduced healing period of the wounds. The recurrence or failure rates were comparable in radiowave and conventional group (2% vs 3%).Fistulotomyprocedure using a radio frequency technique has significant advantages over conventionalprocedure with regards to operation time, blood loss, return to normal activity and healing time of the wound.