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Revista médica de Chile
versión impresa ISSN 0034-9887
CONTE L, Guillermo y FIGUEROA M, Gastón. Frequency of venous thromboembolism among hospitalized patients with cancer. Rev. méd. Chile [online]. 2008, vol.136, n.12, pp.1528-1534. ISSN 0034-9887. http://dx.doi.org/10.4067/S0034-98872008001200004.
Background: Hospitalized patients with cancer have a high risk of venous thromboembolism (VTE). Aim: To study the frequency of VTE and its risk factors in hospitalized patients with cancer. Material and methods: Retrospective analysis of clinical records of patients with cancer, hospitalized at a university hospital between 2002 and 2004. Patients with the diagnosis of VTE at admission or using anticoagulants, were excluded from the analysis. Results: The medical records of 366 patients were reviewed. Fifty three percent had a digestive cáncer, 19% lung cáncer, 10% breast cancer and 18% had a tumor of other origin. In 77%, the tumor was in an advanced stage. The most common admission diagnoses were pneumonía, vomiting and dehydration, gastrointestinal bleeding and urinary infection. In 125 patients (34%) pharmacological thrombo-prophylaxis was not used and 242 (66%) received regular or low molecular weight heparin. VTE was detected in 11 patients (3%) and was significantly more common among patients not receiving thrombo prophylaxis compared to those receiving heparin (6.4% and 1.2%, respectively p =0.014). Factors associated to VTE were a history ofprevious VTE with an odds ratio (OR) of 12.9 (p <0.01), obesity with an OR of 13.3 (p <0.01), recent chemotherapy with an OR of 6.9 (p =0.01). The use of pharmacological thromboprophylaxis had an OR of 0.24 (p =0.05). Conclusions: Three percent of patients in this series had VTE during the hospitalization. Pharmacological thrombo-prophylaxis significantly reduced the risk of VTE.
Palabras clave : Fibrinolytic agents; Neoplasms; Venous thromboembolism.