Transfusion and outcome in heart surgery. [Editorial]

The Editorial by Bruce Spiess enthusiastically supports the work of Engoren et al. on the effects of blood transfusions on long-term survival after coronary artery bypass surgery while recognizing that databased research suffers several limitations. The author mentions that other databased studies, including ours, have examined outcomes and lowest hematocrit, found bad outcomes associated with […]

Effect of blood transfusion on long-term survival after cardiac operation.

The authors studied a database of 1,915 patients who underwent isolated first time myocardial revascularization between 1994 and 1997 and found that blood transfusions during or after coronary artery bypass operations were associated with increased long-term mortality (risk ratio = 1.7; 95% confidence interval = 1.4 to 2.0). This retrospective database analysis is important and […]