alexa Beating Heart Coronary Artery Bypass Grafting (PAD-CAB): The Pursuit Of Perfection | 61539
ISSN: 2155-9880

Journal of Clinical & Experimental Cardiology
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15th World Cardiac Surgery & Angiology Conference

Louis Samuels
Thomas Jefferson University, USA
Keynote: J Clin Exp Cardiolog
DOI: 10.4172/2155-9880.C1.058
Abstract
Surgeons in general and heart surgeons in particular are perfectionists who constantly attempt to improve their skills and outcomes. Coronary artery bypass grafting (CABG), the most common procedure performed by adult cardiac surgeons has undergone significant changes and equally significant scrutiny in the five decades since its inception. The techniques used today are similar to those originally described, but important modifications have been made to make it one of the most successful operations ever conceived. The traditional CABG involves establishment of cardiopulmonary bypass (CPB) with aortic and right atrial cannulation, aortic cross-clamping, and instillation of a cardioplegic solution to achieve electromechanical arrest. In recent decades, beating heart coronary artery bypass (BH-CAB) has been performed by some cardiac surgeons with or without the aid of the heart-lung machine- the purpose being to reduce or eliminate the effects of blood in contact with foreign surfaces as well as the non-pulsatile nature of CPB flow. Hospital mortality for CABG surgery varies depending upon several factors, some of which involve preoperative patient selection, intraoperative technique and postoperative management. In an attempt to address the intraoperative technical aspects, various maneuvers have been done and certain devices have been introduced to reduce or eliminate elements of the operation that have been associated with complications. The purpose of this presentation is to describe a single surgeon’s experience with BH-CABG, including totally OFF-PUMP (OP-CAB) as well as PUMP-ASSIST (PAD-CAB)-the ‘PUMP’ referring to the use of the cardio-pulmonary bypass (CPB) machine. From May 2003 to October 2013, over 1000 BH-CABG surgeries were performed by the author. Approximately two-thirds were performed without the aid of CPB (i.e. OP-CAB) and one-third was performed with PUMP-ASSIST (PAD-CAB). The demographics of the patients included an average age of 75 years with three quarters of the male gender. Approximately 12% were emergency cases, the remainder being equally divided between elective and urgent. The hospital/30-day mortality was 1.02% overall; OPCAB mortality was 1.08% and PAD-CAB mortality was 0.65% respectively. There were no deep sternal wound infections, the incidence of stroke was 0.98%, and the incidence of post-operative bleeding requiring re-exploration was 1.63%. The average number of bypass grafts was 3.2. Specific enabling devices allowed for safe, complete and accurate bypass grafting, with no need to convert to a traditional CABG approach. Specific technologies included: Suction-supported stabilizers; intra-coronary shunts; blow-mister and; flow probe. Determination of OP-CAB vs. PAD-CAB was made in accordance with the territory of diseased vessels to be bypassed, the configuration of the heart itself (e.g. enlarged, dilated, hypertrophic, etc.), the right and left sided function (i.e. RVEF, LVEF), the presence or absence of arrhythmia and so forth. In summary, BH-CABG procedures are safe and effective and should be considered as an alternative to the traditional CABG in which the aorta is cross-clamped and the heart arrested with cardioplegic solution. The mortality rates and major adverse complication events (MACE) are extremely low.
Biography

Louis Samuels has completed his graduation at Hahnemann University, Philadelphia, USA in 1987 and Cardiothoracic Surgical training in 1995. He has joined Faculty of Drexel University as Surgical Director of Cardiac Transplantation. In 2001, he and his team implanted the world’s 5th totally implantable electric artificial heart (AbioCor™). In 2003, he has joined the Main Line Health System as Surgical Director of Heart Failure. In addition to cardiac transplantation and LVAD implantation, he performs CABG and Valvular Surgery. In 2012, he became Professor in Surgery at Thomas Jefferson University School of Medicine. He has authored over 100 peer reviewed manuscripts and serves as a Reviewer for Annals of Thoracic Surgery. In addition to participating in several clinical trials related to mechanical circulatory support, he continues to serve as a Consultant and Medical Advisor to new technologies currently in trial.

Email: [email protected]

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