OBJECTIVE: To evaluate procalcitonin and C-reactive protein as markers of inflammation severity and their value in predicting development of organ failure after pediatric open heart surgery. DESIGN: Prospective, observational, clinical study. SETTING: Single university hospital. PATIENTS: Thirty-three pediatric patients with systemic inflammatory response syndrome (SIRS; n=19) and SIRS+organ failure (SIRS+OF; n=14) following open heart surgery were included. MEASUREMENTS AND RESULTS: Plasma procalcitonin and C-reactive protein levels were measured before and after the operation, and 1, 2, 3, and 4 days after surgery. Patients were evaluated daily to assess organ failure. Postoperative procalcitonin levels in the SIRS+OF group were significantly higher than in the SIRS group. C-reactive protein levels were similar between the groups throughout the study period. Peak procalcitonin levels were found to be positively correlated with aortic cross-clamp and cardiopulmonary bypass times, duration of mechanical ventilation, intensive care unit and hospital stay, mortality and organ failure development. Peak procalcitonin was found to be a good predictor of postoperative organ failure development and mortality. However, the predictive value of peak C-reactive protein for organ failure and mortality was found to be weak. Double-peak procalcitonin curves were observed in SIRS+OF patients with infection during the intensive care unit stay. CONCLUSION: In the SIRS+OF group peak procalcitonin levels were found to be highly predictive for mortality and organ failure development, whereas C-reactive protein levels were not. Daily procalcitonin measurements in SIRS+OF patients may help identify the postoperative infection during the follow-up period.
OBJECTIVE: To evaluate procalcitonin and C-reactive protein as markers of inflammation severity and their value in predicting development of organ failure after pediatric open heart surgery. DESIGN: Prospective, observational, clinical study. SETTING: Single university hospital. PATIENTS: Thirty-three pediatric patients with systemic inflammatory response syndrome (SIRS; n=19) and SIRS+organ failure (SIRS+OF; n=14) following open heart surgery were included. MEASUREMENTS AND RESULTS: Plasma procalcitonin and C-reactive protein levels were measured before and after the operation, and 1, 2, 3, and 4 days after surgery. Patients were evaluated daily to assess organ failure. Postoperative procalcitonin levels in the SIRS+OF group were significantly higher than in the SIRS group. C-reactive protein levels were similar between the groups throughout the study period. Peak procalcitonin levels were found to be positively correlated with aortic cross-clamp and cardiopulmonary bypass times, duration of mechanical ventilation, intensive care unit and hospital stay, mortality and organ failure development. Peak procalcitonin was found to be a good predictor of postoperative organ failure development and mortality. However, the predictive value of peak C-reactive protein for organ failure and mortality was found to be weak. Double-peak procalcitonin curves were observed in SIRS+OF patients with infection during the intensive care unit stay. CONCLUSION: In the SIRS+OF group peak procalcitonin levels were found to be highly predictive for mortality and organ failure development, whereas C-reactive protein levels were not. Daily procalcitonin measurements in SIRS+OF patients may help identify the postoperative infection during the follow-up period.
Authors: Peter Andrews; Elie Azoulay; Massimo Antonelli; Laurent Brochard; Christian Brun-Buisson; Daniel De Backer; Geoffrey Dobb; Jean-Yves Fagon; Herwig Gerlach; Johan Groeneveld; Duncan Macrae; Jordi Mancebo; Philipp Metnitz; Stefano Nava; Jerôme Pugin; Michael Pinsky; Peter Radermacher; Christian Richard Journal: Intensive Care Med Date: 2007-02-14 Impact factor: 17.440
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