Background:

A patient undergoing a surgical procedure has a 20% higher risk for VTE and the risk increases by 30% when there is an absence of optimal prophylaxis.

Material and methods:

Retrospective, transversal, descriptive study in a period of 2016-2017. Caprini Score was applied. The thromboprophylactic therapy administered to each patient was analyzed and compared with this guideline to estimate compliance.

Results:

A total of 100 patients. The number of patients at low, moderate, high and very high risk, according to the Caprini score, was 2, 15, 31 and 52%, respectively. It was divided into two groups, adequate prophylaxis (58%) and inadequate prophylaxis (42%), 88% of these patients with very high risk of thrombosis, did not present adequate anticoagulation, at the end 16% patients had DVT with significant difference p ≤ 0.000.

Conclusions:

The study triumphed in the estimation of the prevalence of episodes of deep vein thrombosis due to a deficiency in the antithrombotic prophylaxis, although it did not represent an increase in the mortality, if an increase in the postoperative morbidity is observed.