Lateral Subcutaneous Internal Sphincterotomy or Anal Stretching, Which is better for Chronic Fissure: A Prospective Study of 90 Cases

90 cases with chronic fissure were included in the study. Procedures were performed under spinal anesthesia and patients were reviewed after 1 week, 2 week and 3 weeks. Of total 90 cases, 45 were treated by lateral sphincterotomy and other 45 by anal stretching.3 recurrence occurred in lateral sphincterotomy and 15 in anal stretching. Impaired control of flatus and soiling of clothes was seen in anal stretching group. It concluded that lateral sphincterotomy is better than anal stretching in chronic fissure cases