Clinical laboratory · 2014
Growth differentiation factor 15, ischemia modified albumin and pregnancy-associated plasma protein A in patients with coronary artery disease.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Fan Lie Ying, Jin Zhong Gan, Zong Ming, Wang Qing Zhong, Ju Yi, Sun Li Shan, Gu Yu Ying, Yu Ping, Zhang Dai Fu, Liu Zhong Min
Аннотация
BACKGROUND: Growth differentiation factor 15 (GDF-15), ischemia modified albumin (IMA) might aid in the early diagnosis and risk stratification of patients with coronary artery disease (CAD), while pregnancy associated plasma protein-A (PAPP-A) can serve as a useful marker of vulnerable plaques and acute coronary syndrome (ACS). We sought to determine serum levels of GDF-15, IMA, PAPP-A and evaluate their diagnostic value in different types of CAD.
METHODS: We detected serum levels of GDF-15, IMA and PAPP-A in 348 patients with CAD and 205 controls. Levels of high-sensitivity C reactive protein, creatine kinase isoenzyme MB, and high-sensitivity cardiac troponin-T, which represent biomarkers of inflammation, damage or necrosis, were also evaluated.
RESULTS: There were significant differences of GDF-15, IMA and PAPP-A in patients with CAD compared with the controls, where GDF-15 seemed to be associated with severity of CAD. GDF-15 demonstrated a sensitivity of 84.0% and specificity of 84.8% for diagnosis of UAP, while the negative predictive value was 87.4%. The sensitivity and specificity, negative predictive value of IMA in the diagnosis of UAP were 70.0%, 69.5%, and 70.0%, respectively. PAPP-A had the lowest sensitivity and negative predictive value compared with other markers.
CONCLUSIONS: GDF-15 demonstrated a significant improvement in earlier prediction and assessment of overall patient risk of UAP comparing to IMA and PAPP-A.
METHODS: We detected serum levels of GDF-15, IMA and PAPP-A in 348 patients with CAD and 205 controls. Levels of high-sensitivity C reactive protein, creatine kinase isoenzyme MB, and high-sensitivity cardiac troponin-T, which represent biomarkers of inflammation, damage or necrosis, were also evaluated.
RESULTS: There were significant differences of GDF-15, IMA and PAPP-A in patients with CAD compared with the controls, where GDF-15 seemed to be associated with severity of CAD. GDF-15 demonstrated a sensitivity of 84.0% and specificity of 84.8% for diagnosis of UAP, while the negative predictive value was 87.4%. The sensitivity and specificity, negative predictive value of IMA in the diagnosis of UAP were 70.0%, 69.5%, and 70.0%, respectively. PAPP-A had the lowest sensitivity and negative predictive value compared with other markers.
CONCLUSIONS: GDF-15 demonstrated a significant improvement in earlier prediction and assessment of overall patient risk of UAP comparing to IMA and PAPP-A.