Efficacy and Safety of Platform Myocardial Stabilizer for Off-Pump Coronary Artery Bypass Grafting

Abstract

Introduction. Off-pump Coronary artery bypass grafting is still a technically challenging procedure. It has been demonstrated that mechanical stabilizers used to locally restrict cardiac excursion exhibit significant residual mobility that can lead to difficulty in performing the surgical procedure. The aim of the study was to evaluate the newly developed myocardial stabilizer in an experimental model in dogs. Materials and methods. The study included 4 mongrel dogs weighing 12 to 20 kg. Surgical intervention was performed through the left thoracotomy using a myocardial stabilizer. During the procedure, blood pressure, heart rate and oxygen saturation, as well as the dynamics of the CT segment on the ECG, were continuously measured. Results. During the experiment, there was no statistically significant change in blood pressure, heart rate, saturation and ECG. All experimental animals survived. No complications were noted. Conclusion. It can be noted that the myocardial stabilizer developed by heart team of Republican Research Center of Emergency Medicine provides excellent stabilization of the target segments of the coronary artery and facilitates vascular anastomosis on the beating heart.

Keywords

• CABG
• OPCAB
• off-pump coronary artery bypass
• experimental model

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