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Revista de cirugía

versión impresa ISSN 2452-4557versión On-line ISSN 2452-4549

Resumen

GONZALEZ L., Roberto. Coronary artery bypass grafting without cardiopulmonary bypass: Propensity Score matched comparison with conventional surgery. Rev. cir. [online]. 2019, vol.71, n.4, pp.299-306. ISSN 2452-4557.

Introduction:

Coronary artery bypass grafting (CABG) without extracorporeal circulation (off pump) is a technical alternative to conventional surgery. There is ongoing controversy about its benefits, safety and results.

Aim:

To describe immediate and late results of off pump CABG and compare it with conventional surgery.

Materials and Method:

Descriptive-analytic, study with review of surgical protocols, clinical charts, civil registry for survival and telephonic follow up of patient who underwent CABG in our center between January 2006 and December 2008. In total 658 isolated CABG cases, 466 (70.8%) on pump and 192 (29.2%) off pump. A Propensity Score Matching was used to match off pump CABG patients with those undergoing On Pump CABG.

Results:

Mortality was 1.0% in off pump and 2.1% in on pump patients (p = 0.411). At follow up: 1.3 and 5 year survival was 97.4%, 95.3% and 92.2% respectively in off pump patients and 97.9%, 96.3% and 92.7% respectively in On Pump patients (p = 0.824). Mayor-adverse-Cardiac-and-Cerebrovascular-events (MACCE) in 28 (17.3%) off pump vs 26 (16.0%) (p = 0.71) on pump, myocardial infarction in 3 (1.9%) off pump vs 6 (3.7%) on pump (p = 0.33), stroke in 6 (3.7%) off pump vs 3 (1.9%) on pump (p = 0.3) and coronary reintervention in 4 (2.5%) off pump vs 3 (1.9%) on pump patients (p = 0.703). Recurrence of angina in 9 (5.6%) off pump vs 10 (6.2%).

Conclusions:

In our experience both techniques had similar results.

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

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