Beating Heart Minimally Invasive Mitral Valve Surgery in Patients With Patent Coronary Bypass Grafts

The Canadian Journal of Cardiology
Aly GhoneimDenis Bouchard

Abstract

Redo mitral valve surgery in patients with patent coronary bypass grafts carries a risk of graft injury and postoperative bleeding. We compare early results of reoperative minimally invasive on-pump beating heart mitral valve surgery (OPBMS) via mini thoracotomy vs the results of standard sternotomy mitral valve surgery (SSMS) in the presence of patent coronary bypass grafts. Between 2009 and 2015, 12 patients underwent OPBMS through a right mini thoracotomy and 6 patients underwent SSMS. All patients had at least 1 patent bypass graft. Median age and EuroSCORE II were not statistically different between the 2 groups. There was no early death in the OPBMS group vs 1 death (17%) in the SSMS group. There was a statistically significant lower median perioperative blood loss in the OPBMS group compared with the SSMS group (200 vs 650 mL; P = 0.005). Four patients (33%) in the OPBMS group required blood transfusion compared with 4 in the SSMS group (67%; P = 0.32). There was 1 perioperative stroke (17%) and 1 acute myocardial infarction (17%) in the SSMS group. Four patients developed acute renal failure in the OPBMS group compared with 3 in the SSMS group (50%; P = 0.62). The predischarge transthoracic echocardiogram showed ≤ 1 mit...Continue Reading

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Citations

Mar 9, 2018·Annals of Thoracic and Cardiovascular Surgery : Official Journal of the Association of Thoracic and Cardiovascular Surgeons of Asia·Yoshio Misawa, Yasuo Shindo
Jun 27, 2019·The Thoracic and Cardiovascular Surgeon·Daniel GrinbergMarco Vola

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