There are at least three different methods of surgical coronary revascularisation—on-pump
with an arrested heart, on-pump without arrest of the heart, and off-pump surgery.
The on-pump beating (ONBEAT) coronary bypass surgery embodies an amalgamation of conventional
on-pump coronary surgery (CABG) and off-pump technique (OPCAB). The principal benefits
emerging from the ONBEAT technique are the avoidance of cardioplegic arrest and the
haemodynamic stability ensured throughout the procedure, notably in unstable high-risk
patients. In this Issue of Heart, Lung and Circulation, the study by Zhu et al. reports the Australian clinical experience with the on-pump
beating heart coronary surgery for emergency multiple myocardial revascularisation
— the ONBEAT methods led to both good short-term and good long-term survival, although
no better than conventional CABG in this retrospective, propensity-matched database
study [
[1]
].Keywords
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© 2019 Published by Elsevier B.V. on behalf of Australian and New Zealand Society of Cardiac and Thoracic Surgeons (ANZSCTS) and the Cardiac Society of Australia and New Zealand (CSANZ).
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- On-Pump Beating Heart Versus Conventional Coronary Artery Bypass Grafting Early After Myocardial Infarction: A Propensity-Score Matched Analysis From the ANZSCTS DatabaseHeart, Lung and CirculationVol. 28Issue 8
- PreviewCoronary artery bypass grafting (CABG) performed early after acute myocardial infarction (AMI) carries a high risk of mortality. By avoiding cardioplegic arrest and aortic cross-clamping, on-pump beating heart CABG (ONBEAT) may benefit patients requiring urgent or emergency revascularisation in the setting of AMI. We evaluated the early and long-term outcomes of ONBEAT versus conventional CABG (ONSTOP) utilising the ANZSCTS National Cardiac Surgery Database.
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