Comparison of the temporal release pattern of copeptin with conventional biomarkers in acute myocardial infarction.

Comparison of the temporal release pattern of copeptin with conventional biomarkers in acute myocardial infarction.
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比较伴侣蛋白的时间释放模式与急性心肌梗塞中常规​​生物标志物的比较。

DOI:
10.1007/s00392-011-0343-y
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发表时间:
2011-12
期刊:
Clinical research in cardiology : official journal of the German Cardiac Society
影响因子:
--
通讯作者:
de Smet BJ
de Smet BJ
中科院分区:
其他
文献类型:
--
作者:
Gu YL;Voors AA;Zijlstra F;Hillege HL;Struck J;Masson S;Vago T;Anker SD;van den Heuvel AF;van Veldhuisen DJ;de Smet BJ

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使用心肌坏死的心脏生物标志物早期检测急性心肌梗死仍然有限,因为这些生物标志物在急性心肌梗死发病后的第一个小时内不会升高。我们的目的是比较ST段抬高的急性心肌梗死患者加压素C末端部分(Copeptin)与常规心脏生物标志物,包括肌酸激酶同工酶(CK-MB)、心肌肌钙蛋白T(CTnT)和高敏cTnT(hs-cTnT)的时间释放模式。我们纳入145名首次ST段抬高的急性心肌梗死患者,在症状出现后12小时内成功接受直接经皮冠状动脉介入治疗(PCI)。于入院时和介入治疗后24小时内的4个时间点采集血样。与所有其他标记物相比,COP水平在入院时就已经升高,而且从症状出现到再灌注的时间更短,收缩压更低。而CK-MB、cTnT和hs-cTnT则在发病后14 h达到峰值,分别为275U/L、5.75μg/L和4.16μg/L,且逐渐下降。在ST段抬高的急性心肌梗死患者中,Copeptin有一种独特的释放模式,在症状出现后的第一个小时内达到峰值,高于常规的心脏生物标志物,并在第一天内下降到正常范围。需要进一步的研究来确定在症状出现后的第一个小时内出现的急性心肌梗死疑似患者中Copeptin的确切作用。
Early detection of acute myocardial infarction (AMI) using cardiac biomarkers of myocardial necrosis remains limited since these biomarkers do not rise within the first hours from onset of AMI. We aimed to compare the temporal release pattern of the C-terminal portion of provasopressin (copeptin) with conventional cardiac biomarkers, including creatine kinase isoenzyme (CK-MB), cardiac troponin T (cTnT), and high-sensitivity cTnT (hs-cTnT), in patients with ST-elevation AMI. We included 145 patients undergoing successful primary percutaneous coronary intervention (PCI) for a first ST-elevation AMI presenting within 12 h of symptom onset. Blood samples were taken on admission and at four time points within the first 24 h after PCI. In contrast to all other markers, copeptin levels were already elevated on admission and were higher with a shorter time from symptom onset to reperfusion and lower systolic blood pressure. Copeptin levels peaked immediately after symptom onset at a maximum of 249 pmol/L and normalized within 10 h. In contrast, CK-MB, cTnT, and hs-cTnT peaked after 14 h from symptom onset at a maximum of 275 U/L, 5.75 μg/L, and 4.16 μg/L, respectively, and decreased more gradually. Copeptin has a distinct release pattern in patients with ST-elevation AMI, peaking within the first hour after symptom onset before conventional cardiac biomarkers and falling to normal ranges within the first day. Further studies are required to determine the exact role of copeptin in AMI suspects presenting within the first hours after symptom onset.
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