The role of procalcitonin and N-terminal pro-B-type natriuretic peptide in predicting outcome after cardiac surgery
2012
Objective(s): Determine the thresholds of procalcitonin (PCT) and N-terminal pro-B-type natriuretic peptide (Nt-pro-BNP) associated with poor prognosis after heart surgery with CPB. Design: Prospective observational study. Setting: Academic Medical Center Habib Bourguiba. Participants: Adult patients consecutively operated for coronary or valve surgery with CPB, elective or semi-urgent. Interventions: Serum concentrations of PCT and Nt-pro-BNP were determined before and after CPB, in the fourth postoperative hour (H4) and every day during the first 4 days. Receiver-operating characteristic curves and cut-off values were used to assess the ability of these markers to predict length of intensive care unit (ICU) stay >3 days. Measurements and Main Results: Forty patients were included in the study. Systemic inflammatory response syndrome (SIRS) occurred in 35 (87.5%) patients. Seventeen of them (42.5%) showed severe SIRS. Significantly higher serum concentrations of Nt-pro-BNP and PCT were found in patients ...
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