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Updated: Oct 8, 2026
Evaluation of a Novel Laser-assisted Coronary Anastomotic Connector - the Trinity Clip - in a Porcine Off-pump Bypass Model
Published on: November 24, 2014
[Early results and new indication of the off-pump coronary artery bypass (OPCAB)]
1Division of Cardiovascular Surgery, Kanazawa Cardiovascular Hospital, Kanazawa, Japan.
Background:
The off-Pump coronary artery bypass (OPCAB) has recently gained popularity. However the safety and feasibility of the procedure has not been fully proven especially for unstable myocardial ischemia.
Methods:
Between March 1998 and November 2000, 135 patients with a mean age of 69.7 (41-95) underwent off-pump coronary artery bypass via sternotomy. Eight patients were operated on emergently and 11 were urgently. LV function ranged from 8% to 70%. Eleven patients required preoperative IABP.
Results:
All procedures were completed without conversion to cardiopulmonary bypass. The mean number of grafts per patient was 2.8 (range, 1 to 6). Cardiac-related hospital mortality was 2.2% (3/135). Angiographic assessment of grafts demonstrated an overall patency of 98.0%, arterial grafts 98.7% and venous grafts 96.6%. In retrospect, these were equivalent results of conventional coronary artery bypass by the same operator.
Conclusion:
OPCAB is safe and feasible even with LV dysfunction or unstable myocardial ischemia.
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