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中华卫生应急电子杂志 ›› 2026, Vol. 12 ›› Issue (03) : 136 -140. doi: 10.3877/cma.j.issn.2095-9133.2026.03.002

论著

sST2、cTnI联合床旁超声心动图对脓毒症心肌抑制的早期诊断价值
殷娟†(), 沈威, 池塘   
  1. 432000 湖北孝感,孝感市中心医院ICU
  • 收稿日期:2025-04-17 出版日期:2026-06-18
  • 通信作者: 殷娟

Early diagnostic value of sST2, cTnI combined with bedside echocardiography in sepsis-induced myocardial depression

Juan Yin†(), Wei Shen, Tang Chi   

  1. Department of Intensive Care Unit, Xiaogan Central Hospital, Xiaogan 432000, China
  • Received:2025-04-17 Published:2026-06-18
  • Corresponding author: Juan Yin
引用本文:

殷娟, 沈威, 池塘. sST2、cTnI联合床旁超声心动图对脓毒症心肌抑制的早期诊断价值[J/OL]. 中华卫生应急电子杂志, 2026, 12(03): 136-140.

Juan Yin, Wei Shen, Tang Chi. Early diagnostic value of sST2, cTnI combined with bedside echocardiography in sepsis-induced myocardial depression[J/OL]. Chinese Journal of Hygiene Rescue(Electronic Edition), 2026, 12(03): 136-140.

目的

探讨可溶性生长刺激表达基因2蛋白(sST2)、心肌肌钙蛋白I(cTnI)联合床旁超声心动图对脓毒症心肌抑制的早期诊断价值。

方法

选取2022年1月至2024年12月孝感市中心医院收治的100例脓毒症患者作为研究对象,其中男性59例,女性41例;年龄32~70岁[(53.59±4.18)岁]。根据心肌抑制发生情况分为心肌抑制组[左心室射血分数(LVEF≤50%)](n=34)及非心肌抑制组(LVEF>50%)(n=66);根据最终预后结果分为生存组(n=88)及死亡组(n=12)。所有患者均进行血清sST2、cTnI水平测定及床旁超声心动图检查,分析血清sST2、cTnI水平及床旁超声心动图变化情况[舒张末期左室后壁厚度(LVPWd)、收缩末期左室后壁厚度(LVPWs)]及采用受试者工作特征(ROC)曲线分析其早期诊断价值。

结果

心肌抑制组血清sST2、cTnI水平均显著高于非心肌抑制组(P<0.05);心肌抑制组LVPWd、LVPWs水平均显著高于非心肌抑制组,左房每搏量(LASV)、左房扩张指数(LAEI)、左房整体射血分数(LAEF)水平均显著低于非心肌抑制组(P<0.05);生存组血清sST2、cTnI及LVPWd、LVPWs水平均显著低于死亡组,生存组LASV、LAEI、LAEF水平均显著高于死亡组(P<0.05);ROC曲线分析结果显示,血清sST2、cTnI联合床旁超声心动图对脓毒症心肌抑制均具有一定的诊断价值,且联合检测的曲线下面积为0.991,灵敏度为93.60%,特异度为97.52%。

结论

sST2、cTnI联合床旁超声心动图可提高脓毒症心肌抑制患者的诊断效能。

Objective

To explore the early diagnostic value of soluble growth stimulation expressed gene 2 (sST2) and cardiac troponin I (cTnI) combined with bedside echocardiography for sepsis-induced myocardial depression.

Methods

100 sepsis patients admitted to Xiaogan Central Hospital from January 2022 to December 2024 were selected as the research subjects, including 59 males and 41 females, aged 32-70 years [(53.59±4.18) years]. According to the occurrence of myocardial depression, they were divided into a myocardial depression group [(LVEF≤50%) (n=34)] and a non-myocardial depression group [(LVEF>50%) (n=66)]. According to the final prognosis, they were divided into a survival group (n=88) and death group (n=12). All patients underwent serum sST2, cTnI levels measurement and bedside echocardiography examination to analyze the changes in serum sST2, cTnI levels and bedside echocardiography [left ventricular posterior wall thickness in diastole (LVPWd), left ventricular posterior wall thickness in systole (LVPWs)], and to analyze their early diagnostic value using receiver operating characteristic (ROC) curves.

Results

Serum levels of sST2 and cTnI in the myocardial inhibition group were significantly higher than those in the non-myocardial inhibition group (P<0.05); LVPWd and LVPWs levels in the myocardial depression group were significantly higher than those in the non-myocardial depression group, while left atrial stroke volume (LASV), left atrial dilation index (LAEI), and left atrial ejection fraction (LAEF) levels were significantly lower than those in the non-myocardial suppression group (P<0.05). Serum sST2, cTnI, LVPWd, and LVPWs levels in the survival group were significantly lower than those in the death group, while LASV, LAEI, and LAEF levels in the survival group were significantly higher than those in the death group (P<0.05). ROC curve analysis results showed that serum sST2 and cTnI combined with bedside echocardiography has certain diagnostic value for sepsis-induced myocardial depression, and the area under the curve (AUC) of the combined detection was 0.991, with a sensitivity of 93.60% and a specificity of 97.52%.

Conclusion

sST2 and cTnI combined with bedside echocardiography can improve the diagnostic efficacy of sepsis-induced myocardial depression patients.

表1 两组患者sST2、cTnI水平比较(±s)
表2 两组患者床旁超声心动图指标水平比较(±s)
表3 生存组与死亡组患者sST2、cTnI及床旁超声心动图指标水平比较(±s)
图1 血清sST2、cTnI联合床旁超声心动图在脓毒症心肌抑制诊断中的ROC曲线注:对角段由绑定值生成;ROC为受试者工作特征曲线,sST2为可溶性生长刺激表达基因2蛋白,cTnI为心肌肌钙蛋白I,LVPWd为左室后壁舒张末期厚度,LVPWs为左室后壁收缩末期厚度,LASV为左房每搏量,LAEI为左房扩张指数,LAEF为左房整体射血分数
表4 血清sST2、cTnI联合床旁超声心动图在脓毒症心肌抑制诊断中的预测价值
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