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The Usefulness of Growth Differentiation Factor 15 (GDF-15) for Risk Stratification in Cardiac Surgery

Coronary Artery Disease Clinical Trial

Official title:
The Prognostic Relevance of Cerebral Oxygen Saturation, NTproBNP and Preoperative Creatinine Clearance in Cardiac Surgical Patients; Amendment 4: the Prognostic Relevance of Growth Differentiation Factor 15 (GDF-15) and High Sensitive Troponin-t (hsTnT)

Clinical Trial Summary

Growth determination factor 15 (GDF-15) and high sensitive troponin-t (hsTnT) are emerging humoral markers for risk stratification in clinically stable heart failure patients and in patients with stable coronary artery disease. No data are available about the prognostic value of these peptides in relation to mortality and morbidity in patients undergoing cardiac surgery.

Primary objective of the present study is to test the hypothesis, that GDF-15 is superior to a standard preoperative risk score, the additive Euroscore for the prediction of 30 day mortality and postoperative morbidity in patients scheduled for cardiac surgery.

Secondary objectives are to test the predictive value of hsTNT, either alone, or in combination with GDF-15 and if GDF-15 adds additional information to NTproBNP levels and preoperative cerebral oxygen saturation (ScO2) levels.

Clinical Trial Description

The study will be based on 2 patient cohorts, a group of patients studied during an observation period (2009) and a validation cohort of patients studied in 2008. The 2009 cohort (about 800 patients) will be analyzed to determine the predictive value of GDF-15 for predicting mortality and morbidity. The 2008 cohort (about 1200 patients) will be used to validate these findings.

Besides conventional morbidity markers, new sensitive markers of organ dysfunction (FABP, NGAL, sFLT-1, PIGF) will also be tested in the 2009 group. ;

Study Design

Observational Model: Cohort, Time Perspective: Prospective

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01166360
Study type Observational
Source University of Luebeck
Contact
Status Completed
Phase N/A
Start date January 2008
Completion date December 2010
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