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2015 ; 4
(4
): 570-5
Nephropedia Template TP
gab.com Text
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English Wikipedia
A synergistic role of ischemia modified albumin and high-sensitivity troponin T
in the early diagnosis of acute coronary syndrome
#MMPMID26985418
Mehta MD
; Marwah SA
; Ghosh S
; Shah HN
; Trivedi AP
; Haridas N
J Family Med Prim Care
2015[Oct]; 4
(4
): 570-5
PMID26985418
show ga
AIM: The aim was to evaluate the role of high sensitivity troponin T and ischemia
modified albumin (IMA) and in the early diagnosis of acute coronary syndrome
(ACS). MATERIALS AND METHODS: This was a cross-sectional study that comprised of
120 individuals of which 75 were cases and 45 healthy controls. On the basis of
clinical history and 12-lead electrocardiogram, initial diagnosis of ACS was made
in the cases. High sensitive cardiac troponin T (hs-cTnT) and IMA were measured
in all the individuals. RESULTS: Levels of IMA were significantly higher in
patients of ACS as compared to those in control group (means: 101.83 [95%
confidence interval (CI): 91.96-111.70] vs. 41.11 [95% CI: 38.55-43.67]). By
taking the cut-off as >65.23 U/mL for IMA, which was obtained from receiver
operating characteristic (ROC) curve, the sensitivity was 91.3%, specificity was
81.1%, positive predictive value (PPV) was 74.4%, and negative predictive value
(NPV) was 93.9%. Positive likelihood ratio was 4.83 while negative likelihood
ratio was 0.11, whereas the corresponding values in case of hs-cTnT were 95.6%
(95% CI: 85.2-99.5), 61.3% (95% CI: 49.5-72.6), 59.7%, 95.8%, 2.47 and 0.07 by
taking cut-off as >14 pg/mL. The area under the ROC curves (AUC) of IMA and
hs-cTnT at 0-6 h were 0.932 (95% CI: 0.87-0.97, P < 0.001) and 0.797 (95% CI:
0.71-0.86, P < 0.001), respectively. The logistic model combining the two markers
yielded sensitivity, specificity, PPV, and NPV of 95.7%, 81.1%, 88.6%, and 92.5%
respectively. CONCLUSION: hs-cTnT and IMA may be useful tools for risk
stratification of ACS and can be used together with better accuracy in the early
diagnosis of ACS.