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Heart, Lung and Circulation

Efficacy of Off-Pump Coronary Artery Bypass Grafting with Concomitant Transcatheter Aortic Valve Replacement

Published:September 20, 2022DOI:https://doi.org/10.1016/j.hlc.2022.07.018

      Aim

      This study aimed to evaluate the early and intermediate-term outcomes of patients who underwent concomitant off-pump coronary artery bypass grafting (CABG) and transcatheter aortic valve replacement (TAVR).

      Method

      Between January 2014 and June 2021, 49 patients underwent concomitant off-pump CABG and TAVR via median sternotomy (TAVRCAB group) and 143 underwent concomitant on-pump CABG and surgical aortic replacement. Of the 143 patients who underwent on-pump surgery, 80 (SAVRCAB group) were eligible for comparison. The composite event included all-cause death, heart failure rehospitalisation, repeat revascularisation, brain infarction, and repeat aortic valve replacement.

      Results

      The Society of Thoracic Surgeons’ predicted risk for mortality and age were higher in the TAVRCAB group than in the SAVRCAB group (7.1% vs 3.1% [p<0.001]; 81 years vs 75 years [p<0.001], respectively), while the surgical time was shorter (289 min vs 352 min; p<0.001). There was no conversion to on-pump surgery in the TAVRCAB group. The postoperative maximum creatinine kinase-MB value was lower in the TAVRCAB group. There was no deep sternal wound infection or repeat revascularisation in either group. Hospital death and brain infarction developed in one patient (1.3%) each in the SAVRCAB group, but in no patients in the TAVRCAB group. The rates of freedom from the composite event were similar between the two groups during the follow-up period.

      Conclusions

      Concomitant off-pump CABG and TAVR would be a less-invasive alternative procedure for treating intermediate or high surgical risk patients with aortic stenosis and coronary artery disease unsuitable for percutaneous coronary intervention.

      Keywords

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