Risk factors for surgical site infection in patients of myocardial revascularization surgery in Montes Claros, Brazil, between 2008 to 2012

  • Joanilva Ribeiro Lopes
  • Adélia Dayane Guimarães Fonseca
  • Luís Paulo Souza e Souza
  • Angélica Gonçalves Silva Belasco
  • Carla Silvana de Oliveira e Silva
  • Dulce Aparecida Barbosa


Objective: To identify the risk factors for the development of surgical site infection in patients undergoing myocardial revascularization at a philanthropic and educational hospital in Brazil. Methods: Retrospective cohort study at a philanthropic hospital of Minas Gerais, Brazil, with patients submitted to myocardial revascularization in the period from 2008 to 2012. Data were collected from medical records and records of hospital infection notification. The patients were divided into two groups according to the presence or absence of surgical site infection. For data analysis, one used logistic regression model, with a significance level of 5%. Results: Among the 120 patients studied, 22.5% (27) presented surgical site infection. The presence of hypertension (OR=7.5; CI 95% 2.4-23.6); use of chest tube for a period greater than three days (OR=7.5; CI 95% 2.4-23.6); staying at the hospital after surgery for more than 18 days (OR=9.8; CI 95% 3.1-30.8) remain associated with the surgical site infection. Conclusion: One proposes greater effort in an attempt to reduce the length of stay in hospital after surgery for myocardial revascularization, encouraging the removal, in the shortest possible time, of invasive devices such as the chest tube, aimed at better outcome of patients undergoing that type of surgery.


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