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Revista chilena de cardiología

versión On-line ISSN 0718-8560

Resumen

SEGUEL, Enrique et al. Off Pump Coronary Artery Surgery : comparison of two consecutive periods with the technique. Rev Chil Cardiol [online]. 2020, vol.39, n.2, pp.122-132. ISSN 0718-8560.  http://dx.doi.org/10.4067/S0718-85602020000200122.

Aim:

To describe the immediate and long-term results of off pump coronary artery surgery without cardiopulmonary bypass (OPCABG) comparing the results observed in two consecutive periods.

Patients and Methods:

A retrospective study of 428 patients undergoing OPCABG between 2004 and 2019 at the Guillermo Grant Benavente Hospital. Group 1 patients operated between 2004 - 2008 (N = 216) and Group 2 operated between 2009 and 2019 (N = 212).

Results:

There were no differences in sex, age, risk factors and co morbidities between groups. There were differences in the number of coronary lesions between groups: one vessel disease in 45 (20.4%) versus 125 (59%) and three vessels in 75 (34.5%) versus 19 (9%) in Group 1 vs Group 2, respectively (p <0.001). The operative risk for logistic EuroSCORE was 3.3 ± 3.95 in Group 1 versus 5.4 ± 7.7 in Group 2 (p <0.001). 2.3 ± 0.9 distal anastomoses were performed in Group 1 compared to 1.3 ± 0.6 in Group 2 (p<0.001). Adverse events occurred in 17.6% o patients in Group 1 compared to 5.7% in Group 2 (p<0.001). Overall, 4 patients died (0.9%). Mean overall survival at 10 years was 76.9% and the rate of major cardiovascular events was 37.6%, no differences being observed between groups.

Conclusions:

At 5 years of follow-up the selection of patients with more favorable anatomy or greater operative risk had similar survival rates and events than those observed with the least selective strategy.

Palabras clave : coronary artery bypass; off pump; cardiopulmonary bypass; cardiac surgical procedures.

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