• Zile S Meharwal and Naresh Trehan.
• Department of Cardiovascular Surgery Escorts Heart Institute and Research Centre New Delhi, India. meharwal@hotmail.com
• Asian Cardiovasc Thorac Ann. 2002 Sep 1;10(3):206-10.

AbstractWe compared the results of off-pump (n = 186) and on-pump (n = 389) coronary artery bypass grafting in elderly patients over 70 years old. Patients undergoing single-vessel revascularization were excluded from the study. The 2 groups matched in preoperative risk factors. Operative mortality was comparable (off-pump 2.2% versus on-pump 4.6%). The off-pump group fared better in intubation time (16 +/- 4 hours versus 25 +/- 5 hours), blood loss (365 +/- 58 mL versus 584 +/- 72 mL), the need for blood transfusion (31.7% versus 44%), reoperation for bleeding (0.5% versus 3.6%), atrial fibrillation (10.2% versus 18.5%), intensive care unit stay (21 +/- 8 hours versus 34 +/- 10 hours), and total hospital stay (5 +/- 2 days versus 8 +/- 3 days). Off-pump bypass surgery is thus safe for elderly patients and is associated with reduced morbidity and shorter hospitalization than on-pump surgery.

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