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Volume 32, Nº 1, January and February 2019


DOI: http://www.dx.doi.org/10.5935/2359-4802.20180083


Impact of Complications of Myocardial Revascularization Surgery on Expenses During Hospital Stay

João Luís Barbosa

Clarissa Antunes Thiers

Anderson Ferreira Rolim da Silva

Marcos Maia Vianna

Paulo Otávio de Paula Ravaglia Gedeon

Lauro Martins Neto

Marina Brunner Uchôa Dantas Moreira

Luiz Felipe Faria

Bernardo Rangel Tura


Background: Coronary artery bypass grafting (CABG) is an important treatment option for obstructive coronary artery disease, but it represents a high expense for paying sources. The complications of CABG impose an additional expense to the procedure that is not yet clearly established.

Objective: To determine the economic impact of postoperative complications of CABG during hospitalization in a hospital of the unified health system (SUS).

Methods: This is an observational study involving 240 patients undergoing isolated CABG in a reference hospital in cardiology in 2013. Patients aged over 30 years with proven coronary artery disease and indication to perform CRVM were included. Patients who performed CRVM associated with other procedures were excluded.

Results: The average cost of hospitalization was R$ 22,647.24 (SD = R$ 28,105.66). In 97 patients who presented some complication the average cost was R$ 35,400.28 (SD = R$ 40,509.47), and in the 143 patients without complications the average cost was R$ 13,996.57 (SD = R$ 5,800.61) (p < 0.001). Expenditures ranged from R$ 17,344.37 in patients with one complication up to R$ 104,596.52 in patients with five complications (p < 0.001).

Conclusions: The occurrence of complications during hospitalization for CABG significantly increases the costs of the procedure, but the magnitude of this increase depends on the type of complication developed, and higher expenses related to cardiovascular complications, infections and bleeding. With this information, managers can improve the allocation of resources to health. (Int J Cardiovasc Sci. 2019;32(1)28-34)

Keywords: Myocardial Revascularization/economy; Myocardial Revascularization/complications; Hospital Costs/trends; Hospitalization; Cardiovascular Diseases/economy.