Short- and intermediate-term outcomes of hybrid coronary revascularization for double-vessel disease

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ObjectiveWe sought to evaluate midterm survival data and resource use for patients who received hybrid coronary revascularization for 2-vessel coronary disease (robotic-assisted left internal thoracic artery graft to left anterior descending coronary artery (minimally invasive direct coronary artery bypass), coupled with a stent to the circumflex or right coronary artery), compared with a concurrent cohort who had traditional coronary artery bypass grafting.MethodsA comprehensive retrospective review was undertaken of our prospectively collected database from January 2009 to December 2016. We propensity matched 207 patients who underwent hybrid coronary revascularization for double-vessel disease with patients who underwent coronary artery bypass grafting. Eight-year survival data were obtained from the National Death Index.ResultsThirty-day mortality was 1 patient (0.5%) in each of the hybrid coronary revascularization and coronary artery bypass grafting groups. Eight-year survival for the hybrid coronary revascularization group was 187 of 207 patients (90.3%) compared with 182 of 207 patients (87.9%) for the coronary artery bypass grafting cohort. End-stage renal disease independently predicted late mortality in all patients (overall hazard ratio, 5.60, P < .001; hybrid coronary revascularization hazard ratio, 5.58, P = .002; coronary artery bypass grafting hazard ratio, 4.59, P = .006). Female patients who underwent hybrid coronary revascularization had a higher incidence of late death (hazard ratio, 2.47, P = .05). Length of stay and perioperative transfusion requirements were lower in the hybrid coronary revascularization group (P < .0001).ConclusionsHybrid coronary revascularization for double-vessel coronary disease is associated with similar short-term outcomes and intermediate-term survival as traditional coronary artery bypass grafting. Hybrid coronary revascularization is associated with lower transfusion requirements and a shorter length of stay than coronary artery bypass grafting.

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