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Changes of serum sTM levels and its prognostic value in patients with acute respiratory distress syndrome |
CHEN Wenwen1 YE Siying2 CHEN Guilan2 |
1.Department of Laboratory, Wuhan Third Hospital, Hubei Province, Wuhan 430070, China;
2.Department of Laboratory, Wuhan Fourth Hospital, Hubei Province, Wuhan 430033, China |
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Abstract Objective To study the changes of serum soluble thrombomodulin (sTM) levels and its prognostic value in patients with acute respiratory distress syndrome (ARDS). Methods A total of 96 patients with ARDS admitted to Wuhan Third Hospital from December 2018 to December 2019 were selected as the observation group, they were divided into mild group (25 cases) and moderate group (53 cases) and severe group (18 cases) according to the oxygenation index (OI). Patients were divided into survival group (46 cases) and death group (50 cases) according to their survival status after 28 days. Another 48 healthy persons who were admitted to the hospital during the same period were selected as the control group. The difference in serum sTM level and acute physiology and chronic health score Ⅱ (APACHE Ⅱ) between the observation group and the control group, ARDS patients of different degrees, and different outcome groups were compared, while the correlation between serum sTM level and APACHE Ⅱ score were analyzed. ROC survival curve was drew and to analyze the predictive value of serum sTM level and APACHE Ⅱ score on the prognosis of ARDS patients. Results The serum sTM level and APACHE Ⅱ score of the observation group were higher than those of the control group, and the differences were statistically significant (P < 0.05). Comparison of serum sTM levels and APACHE Ⅱ scores of ARDS patients in different degree groups showed statistically significant differences (P < 0.05), and the levels of indexes in the severe group were higher than those in the moderate and mild groups, while the levels in the moderate group were higher than those in the mild group, and the differences were statistically significant (P < 0.05). Serum sTM level was positively correlated with APACHE Ⅱ score (r = 0.691, P < 0.05). The serum sTM level and APACHE Ⅱ score of the survival group were significantly lower than those of the death group, and the differences were statistically significant (P < 0.05). ROC curve results showed that the predictive power of serum sTM level on the prognosis of ARDS patients was higher than the APACHE Ⅱ score (P < 0.05). Conclusion sTM may be involved in the progression of ARDS, and its level changes can be used as an early biomarker to judge the severity and prognosis of ARDS patients.
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