The closed subcutaneous internal lateral sphincterotomy in patients with chronic anal fissure diagnosis

Background: benign rectal diseases are very frequent in the usual medical practice at all levels of health care, but especially in specialized services. Within these processes it is recognized that Anal Fissure is one of the most common. In Cuba, they represent approximately 30-35 % of consultations and interventions in the services of Coloproctology. Objective: to determine the effectiveness of closed subcutaneous internal lateral sphyncterotomy in patients with chronic anal fissure diagnosis. Methods: a descriptive, longitudinal and prospective study was performed in patients with chronic anal fissure diagnosis, assisted in the services of proctology of the Teaching Hospital Manuel Ascunce Domenech from September 2016 to September 2017. The universe consisted of the 132 adult patients who came to the Coloproctology service of this institution with the diagnosis of chronic anal fissure. A validated survey was applied to all patients, based on expert criteria, with prior informed consent. Results: in the investigation there was a high incidence of chronic anal fissure in the age group of 40 to 49 years and in the female sex; the predominant symptomatology was pain, followed by rectal bleeding, located in the posterior area, with an evaluation at the end of the curing treatment. Conclusions: the effectiveness of closed internal lateral sphyncterotomy is given because this technique has few adverse reactions and referral to other treatments. DeCS: LATERAL INTERNAL SPHINCTEROTOMY/adverse effects; FISSURE IN ANO/surgery; FISSURE IN ANO/diagnosis; FISSURE IN ANO /epidemiology; EPIDEMIOLOGY, DESCRIPTIVE.