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Left internal mammary artery grafting to left anterior descending coronary artery by minimally invasive direct coronary artery bypass approach

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Abstract

New surgical techniques for the treatment of the isolated lesion of the left anterior descending coronary artery (LAD) include off-pump surgery, minimal access to the heart, and endoscopic or computer enhanced coronary artery bypass surgery. The term minimally invasive direct coronary artery bypass surgery (MIDCAB) is related to a leftside minithoracotomy, the harvest of the left internal mammary artery (IMA) under direct vision, and an anastomosis performed between IMA and LAD under direct vision, using the technique of mechanical local immobilization by a special device. Alternative techniques include endoscopic harvesting of the IMA, or as a new and still experimental approach, the closed-chest total endoscopic coronary artery bypass grafting (TECAB) with the use of a high tech telemanipulator system. The currently reported results demonstrate the safety of MIDCAB surgery (30-day mortality < 0.5%, perioperative myocardial infarction < 2%, early patency rate between 95% and 98%). Mid-term results after 6 months have shown a patency rate between 94% and 97%, and more than 90% of the patients are without any angina symptoms. Due to this promising results MIDCAB is an alternative treatment for high-grade LAD lesions.

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  1. Klinik für Herzchrurgie, Universität Leipzig, Herzzentrum, Russenstraße 19, 04289, Leipzig, Germany

    Anno Diegeler MD

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  1. Anno Diegeler MD
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Diegeler, A. Left internal mammary artery grafting to left anterior descending coronary artery by minimally invasive direct coronary artery bypass approach. Curr Cardiol Rep 1, 323–330 (1999). https://doi.org/10.1007/s11886-999-0058-0

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