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Comparison of human heart-type fatty acid-binding protein used as an early diagnostic cardiac marker of acute coronary syndrome with combination of cardiac troponin-T and creatine kinasemyocardial band

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Author:
No author available
Journal Title:
Chinese Journal of Emergency Medicine
Issue:
3
DOI:
10.3760/cma.j.issn.1671-0282.2012.03.019
Key Word:
急性冠脉综合征;心肌型脂肪酸结合蛋白;心脏标志物;诊断价值;Acute coronary syndromes;Human heart-type fatty acid-binding protein;Cardiac markers;Diagnostic value

Abstract: Objective To evaluate the early diagnostic value of human heart-type fatty acid- binding protein (H-FABP) of acute coronary syndrome (ACS) and compare the diagnostic accuracy of different combination regimens of cardiac markers. Methods A total of 103 consecutive patients with chest pain (within 6 h after admission to Peking University Third Hospital,emergency department) suggestive of ACS were recruited for the analysis from April,2010 to June,2011.The blood levels of H-FABP,cardiac troponin-T (cTnT) and creatine kinase-myocardial band (CK-MB) were obtained at admission. The sensitivity,specificity,positive predictive value and negative predictive value together with the sensitivity and specificity in different phases of illness at admission were analyzed and compared among H-FABP,cTnT,CK-MB and different combinations by using SPSS version 17.0 software.Results Within 6 h of onset of symptom,the overall sensitivities of H-FABP,cTnT and CK-MB were 62.5%,30.6% and 33.3% respectively for patients with ACS.The sensitivity of H-FABP was significantly higher than that of cTnT and CK-MB (P <0.01 ).There were no differences in specificity and positive predictive value.The combination of H-FABP with cTnT had the greatest negative predictive value (53.8% ).The sensitivity of H-FABP was higher during 3 - 6 h (77.8% ) than during 0 - 3 h (53.3 % ) after chest pain onset (P =0.038).Within 0 - 3 h of onset of AMI,the overall sensitivities of the combination of H-FABP with cTnT and H-FABP with CK-MB (55.6%) were significantly higher than the combinaton of cTnT with CK-MB ( 24.4% ) ( P =0.003 ).The sensitivity of the combination of H-FABP with cTnT was higher than that of single H-FABP during 0- 3 h and 3 -6 h after onset of AMI with increment in 3.3% and 7.4% respectively.The combination of H-FABP with cTnT had the greatest sensitivity ( 85.2% ) during 3 - 6 h after onset.Conclusions H-FABP is the most sensitive cardiac marker in diagnosing of ACS in the early phase within 6 h,especially during 3 -6 h after onset.The sensitivity of the combination of H-FABP with cTnT is higher than that of H-FABP alone.The combination of H-FABP with cTnT has the best diagnostic value during 3 -6 h after onset of ACS.

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