PMID- 24037966 OWN - NLM STAT- MEDLINE DCOM- 20141110 LR - 20211021 IS - 1932-8737 (Electronic) IS - 0160-9289 (Print) IS - 0160-9289 (Linking) VI - 36 IP - 11 DP - 2013 Nov TI - Use of high-sensitivity troponin assays predicts mortality in patients with normal conventional troponin assays on admission-insights from a meta-analysis. PG - 649-53 LID - 10.1002/clc.22196 [doi] AB - BACKGROUND: Use of high-sensitivity troponin (hs-Tn) assays can detect small levels of myocardial damage previously undetectable with conventional troponin (c-Tn) assays. However, prognostic utility of these hs-Tn assays in prediction of mortality remains unclear in the presence of nonelevated c-Tn levels on admission. A systematic review and meta-analysis was performed to assess mortality risk of patients with hs-Tn elevations in the setting of normal c-Tn levels. HYPOTHESIS: Patients with hs-Tn elevations with normal c-Tn levels on admission blood samples, drawn to rule out acute coronary syndrome (ACS), have a higher mortality risk than those without hs-Tn or c-Tn elevations. METHODS: A search was made of the PubMed, CENTRAL, EMBASE, CINAHL, EBSCO, and Web of Science databases. Studies evaluating patients with suspected ACS that reported mortality rates for those with elevated hs-Tn levels but normal c-Tn levels on admission were included. A random-effects model was used to pool event rates, and data were reported in odds ratios (95% confidence interval). RESULTS: Four studies (N = 2033, mean age 64-75 years, 49%-70% male) revealed that nearly 32% of suspected ACS patients with normal c-Tn levels on admission had elevated hs-Tn levels. Elevated hs-Tn levels conferred a significantly higher risk of all-cause mortality vs normal hs-Tn levels (odds ratio: 4.35, 95% confidence interval: 2.81-6.73, P < 0.01), with negligible heterogeneity (I(2) = 0%). CONCLUSIONS: Elevation of hs-Tn levels predicted a higher risk of mortality in patients with suspected ACS and may aid in the early identification of higher-risk patients in this setting. Future studies are needed to investigate further optimal management strategies. CI - (c) 2013 Wiley Periodicals, Inc. FAU - Chatterjee, Saurav AU - Chatterjee S AD - Division of Cardiology, Providence VA Medical Center, Providence, Rhode Island; Department of Medicine, Brown University, Providence, Rhode Island. FAU - Kim, Jiwon AU - Kim J FAU - Dahhan, Ali AU - Dahhan A FAU - Choudhary, Gaurav AU - Choudhary G FAU - Sharma, Satish AU - Sharma S FAU - Wu, Wen-Chih AU - Wu WC LA - eng PT - Journal Article PT - Meta-Analysis PT - Review PT - Systematic Review DEP - 20130827 PL - United States TA - Clin Cardiol JT - Clinical cardiology JID - 7903272 RN - 0 (Biomarkers) RN - 0 (Troponin) SB - IM MH - Aged MH - Biomarkers/blood MH - Chi-Square Distribution MH - Female MH - Heart Diseases/*blood/diagnosis/*mortality MH - Humans MH - Male MH - Middle Aged MH - Myocardium/*metabolism/pathology MH - Odds Ratio MH - *Patient Admission MH - Predictive Value of Tests MH - Prognosis MH - Risk Assessment MH - Risk Factors MH - Troponin/*blood MH - Up-Regulation PMC - PMC6649604 EDAT- 2013/09/17 06:00 MHDA- 2014/11/11 06:00 PMCR- 2013/08/27 CRDT- 2013/09/17 06:00 PHST- 2013/05/31 00:00 [received] PHST- 2013/07/15 00:00 [accepted] PHST- 2013/09/17 06:00 [entrez] PHST- 2013/09/17 06:00 [pubmed] PHST- 2014/11/11 06:00 [medline] PHST- 2013/08/27 00:00 [pmc-release] AID - CLC22196 [pii] AID - 10.1002/clc.22196 [doi] PST - ppublish SO - Clin Cardiol. 2013 Nov;36(11):649-53. doi: 10.1002/clc.22196. Epub 2013 Aug 27.