Cutaneous sphincterotomy can be safely performed in the outpatient department under local anaesthesia for chronic anal fissure.
cutaneous sphincterotomy is the treatment of choice for patients with chronic anal fissure. Both procedures are easily and safely performed in the outpatient department under local anaesthesia, thereby avoiding the costs and disruption of admission to hospital.
Vessey et al. (Sat,) studied this question.