Myocardial injury after off-pump coronary artery bypass grafting operation.

Objective: Perioperative myocardial ischemia is less pronounced in off-pump coronary artery bypass (OPCAB) compared to on-pump coronary artery bypass; however, the threshold over which the postoperative release of cardiac troponin I (cTnI) release and creatine kinase-MB (CK-MB) after OPCAB should be considered clinically relevant is unknown. The study was designated to evaluate if perioperative myocardial damage, measured by means of postoperative release of cTnI and CK-MB, has an influence on short- and mid-term outcome after OPCAB operations.

Methods: Two hundred and sixty-one unselected patients undergoing OPCAB had cTnI and CK-MB measured preoperatively and nine times postoperatively.

Tachyarrhythmia due to atrial fibrillation in an intragastric balloon carrier: coincidence or consequence?

A morbidly obese patient is reported who underwent insertion of a BioEnterics Intragastric Balloon (BIB) as a pre-surgical procedure (ie. prior to restrictive gastric banding). While carrying the BIB, the patient suffered an episode of severe supraventricular tachyarrhythmia (atrial fibrillation).