In vivo monitoring of myocardial tissue metabolism during surgical emergency revascularization

impairment after cardiac surgery. The pulmonary cytokine response and the increased shunt fraction after off-pump surgery might be explained by local tissue injury, which could be due to direct trauma to the ventilated lung during the surgical procedure. Reference 1 Massoudy P, Zahler S, Becker BF, et al. Evidence for inflammatory responses of the lungs during coronary artery bypass grafting with cardiopulmonary bypass. Chest 2001; 119: 31–36.