Abstract
Objective: to present the main reasons that led to the cancellation in a hospital ambulatory surgery reference. Methods: this is a descriptive research, documentary and retrospective, with quantitative approach for the treatment of the data, where he analyzed 28 production reports from the Surgical Center for the period of October to December 2016, 2018 of a reference hospital in outpatient surgeries. Results: we analyzed 28 reports issued by supervision of the Surgical Center, all patients were scheduled 8717 for performing these surgeries just 8059 (92.45%) were held, where the 658 (7.55%) were cancelled due to factors related: 54.26% related to patient, 15.2% the unit organization, 17.93% human resources, 7.44% 5.17% to material resources and other factors. Conclusion: the investigation of the reasons of the institution benefits surgical suspensions, as the research in question in which the factors found are changeable.