Background: Minimally invasive direct coronary artery bypass (MIDCAB) has been revived with new techniques and hybrid procedures for MIDCAB and percutaneous coronary intervention (PCI). We reviewed the midterm results of MIDCAB with a three-dimensional (3D) endoscope in our institution.Methods: Of the 359 patients who underwent off-pump coronary artery bypass grafting (CABG) from December 2013 to March 2017, 54 had MIDCAB with the left internal thoracic artery (LITA) to left anterior descending (LAD) artery through a small left thoracotomy with a 3D endoscope. The same intercostal space was used for the main surgical incision and the insertion site of the 3D endoscope. In all, 22 patients had hybrid coronary revascularization (HCR), combined PCI and MIDCAB.Results: There was no operative death. One patient had cerebral infarction without disability. No cases showed significant increases in CKMB. In all, 34 patients commenced ambulation on postoperative day 1. The postoperative hospital stay was 9.1 ± 5.0 days. In total, 37 patients had coronary computed tomography (CT), and their patency of LITA was 100%. In HCR, there was no mortality and major adverse cardiovascular event (MACE). Target lesion revascularization among 12 months was 1.6%.Conclusion: The midterm results of MIDCAB with 3D endoscope-assisted LITA harvesting were satisfactory. MIDCAB, including HCR, is a good alternative for selected high-risk patients.
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