Comparative study of open vs close lateral sphincterotomy in the management of chronic anal fissure

Aim: to evaluate the effectiveness and long term results of sphincter healing following llis in the management of chronic anal fissure,methods: this study was carried out in nishtar hospital,multan from june 2013 to december 2013. a total of 100 patients attending surgical opd were included in the study. results: out of 100 patients,73 (73%) were male and 27 (27%) were female patients. majority of the patients were from the age group 31-40 years. at posterior midline fissure in ano was present in 91 (91%) patients and at the anterior midline it was in 9 (9%). pain defecation was seen in all patients,constipation in 95 (95%) patients whereas bleeding from rectum in 72 (72%) patients. conclusion: it is concluded that in patients with chronic anal fissure,chemical sphincterotomy with topical nifedipine ointment is a non-invasive and effective modality.