Introduction.

The World Health Organization defines obesity as an increase in the percentage of body fat, generally accompanied by an increase in weight, the quantity and distribution of which determine the health of the individual. It is characterized by being a chronic disease and very difficult to manage. Bariatric surgery is an increasingly frequent procedure, which has proven to be the best therapeutic option for the management of moderate and severe obesity, a disease that has been gaining ground in the world. According to the 2015 National Survey of the Nutritional Situation in Colombia, the incidence of overweight was 37.8% and obesity was 18.7%. With the increase in primary bariatric surgery, the frequency of revision, conversion and reversal bariatric surgery has also increased, with conversion being the most frequent.

Methods.

Retrospective observational study in which patients underwent bariatric conversion surgery at the San Ignacio University Hospital between 2014 and 2019 were analyzed.

Results.

In our institution, conversion surgery corresponds to 8.8%, and coincides with the world statistics for this procedure. The most frequent cause, unlike the literature, is gastroesophageal reflux, followed by weight gain.

Discussion.

The results obtained at the San Ignacio University Hospital are similar to the world figures for conversion procedures. Resolution of gastroesophageal reflux symptoms and proper management of weight gain are obtained in a high percentage of patients, with very few complications.

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