Journal
CIRCULATION
Volume 130, Issue 11, Pages 872-879Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1161/CIRCULATIONAHA.114.009479
Keywords
coronary artery bypass; coronary disease; stents; thoracic surgery
Funding
- Society of Thoracic Surgeons
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Background-Hybrid coronary revascularization (HCR) involves a combination of surgical and percutaneous techniques, which in selected patients may present an alternative to conventional coronary artery bypass grafting (CABG). Methods and Results-Patients were included who underwent HCR (staged/concurrent) or isolated CABG in the Society of Thoracic Surgeons Adult Cardiac Surgery Database (July 2011 to March 2013). HCR represented 0.48% (n=950; staged=809, concurrent=141) of the total CABG volume (n=198 622) during the study period, and was performed in onethird of participating centers (n=361). Patients who underwent HCR had higher cardiovascular risk profiles in comparison with patients undergoing CABG. In comparison with CABG, median sternotomy (98.5% for CABG, 61.1% for staged HCR, and 52.5% for concurrent HCR), direct vision harvesting (98.9%, 66.0%, and 68.1%) and cardiopulmonary bypass (83.4%, 45%, and 36.9%) were less frequently used for staged and concurrent HCR, whereas robotic assistance (0.7%, 33.0%, and 30.5%) was more common. After adjustment, no differences were observed for the composite of in-hospital mortality and major morbidity (odds ratio, 0.93; 95% confidence interval, 0.75-1.16; P=0.53 for staged HCR, and odds ratio, 0.94; 95% confidence interval, 0.56-1.56; P=0.80 for concurrent HCR in comparison with CABG). There was no statistically significant association between operative mortality and either treatment group (odds ratio, 0.74; 95% confidence interval, 0.42-1.30; P=0.29 for staged HCR, and odds ratio, 2.26; 95% confidence interval, 0.99-5.17; P=0.053 for concurrent HCR in comparison with CABG). Conclusion-HCR, either as a staged or concurrent procedure, is performed in one-third of US hospitals and is reserved for a highly selected patient population. Although HCR may appear to be an equally safe alternative for CABG surgery, further randomized study is warranted.
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