Why the study?
Does elective cardiac surgery cause elevated Troponin I levels in the absence of myocardial infarction?
Population
60 patients undergoing elective cardiac operations.
Design
Cohort
Follow-up
72 hours
Authors
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Postoperative TnI elevation alone should not indicate perioperative MI; leaves open need for refined diagnostic thresholds after elective cardiac surgery.
Does elective cardiac surgery cause elevated Troponin I levels in the absence of myocardial infarction?
Postoperative Troponin I levels are universally elevated after cardiac surgery and correlate with ischemic time, but do not necessarily indicate perioperative myocardial infarction, especially when autotransfusion is used.
Horvath et al. (2000) studied this question.
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