Why the study?
Does emergency conversion to cardiopulmonary bypass increase operative mortality and morbidity in patients planned for off-pump coronary artery bypass grafting?
Population
616 consecutive patients planned for off-pump coronary artery bypass grafting from April 2001 to July 2004
Comparison
Emergency conversion to cardiopulmonary bypass vs Non-conversion
Design
Cohort
Follow-up
Operative period
Authors
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Emergency conversion during off-pump CABG signals markedly higher operative mortality; this Level 3 evidence leaves open whether risk-factor modification reduces conversions.
Does emergency conversion to cardiopulmonary bypass increase operative mortality and morbidity in patients planned for off-pump coronary artery bypass grafting?
Emergency conversion to cardiopulmonary bypass during off-pump CABG is associated with significantly increased operative mortality and morbidity, with mitral regurgitation and COPD identified as key risk factors.
Minoru Tabata (2006) studied this question.
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