In this work, an evaluation of the percentage of glosses presented at the Adult Intensive Care Unit (UCIA) of the Colsubsidio Clinic city Roma in post-surgical patients of the general surgery service in the city of Bogotá in the period of August - September and October 2019, a mixed quantitative - qualitative study was conducted through semi-structured interviews, the SAP tool was analyzed. This study allowed identifying the main causes of glosses in the institution.