Long-Term Prognosis of Different Reperfusion Strategies for ST-Segment Elevation Myocardial Infarction in Chinese County-Level Hospitals: Insight from China Acute Myocardial Infarction Registry
Chao WU , Qiong Yu ZHANG , Ling LI , Xu Xia ZHANG , Yong Chen CAI , Jin Gang YANG , Hai Yan XU , Yan Yan ZHAO , Yang WANG , Wei LI , Chen JIN , Xiao Jin GAO , Yue Jin YANG , Shu Bin QIAO
{"title":"Long-Term Prognosis of Different Reperfusion Strategies for ST-Segment Elevation Myocardial Infarction in Chinese County-Level Hospitals: Insight from China Acute Myocardial Infarction Registry","authors":"Chao WU , Qiong Yu ZHANG , Ling LI , Xu Xia ZHANG , Yong Chen CAI , Jin Gang YANG , Hai Yan XU , Yan Yan ZHAO , Yang WANG , Wei LI , Chen JIN , Xiao Jin GAO , Yue Jin YANG , Shu Bin QIAO","doi":"10.3967/bes2023.110","DOIUrl":null,"url":null,"abstract":"<div><h3>Objective</h3><p>To evaluate the long-term prognosis of patients with ST-segment elevation myocardial infarction (STEMI) treated with different reperfusion strategies in Chinese county-level hospitals</p></div><div><h3>Methods</h3><p>A total of 2,514 patients with STEMI from 32 hospitals participated in the China Acute Myocardial Infarction registry between January 2013 and September 2014. The success of fibrinolysis was assessed according to indirect measures of vascular recanalization. The primary outcome was 2-year mortality.</p></div><div><h3>Results</h3><p>Reperfusion therapy was used in 1,080 patients (42.9%): fibrinolysis (<em>n</em> = 664, 61.5%) and primary percutaneous coronary intervention (PCI) (<em>n</em> = 416, 38.5%). The most common reason for missing reperfusion therapy was a prehospital delay > 12 h (43%). Fibrinolysis [14.5%, hazard ratio (<em>HR</em>): 0.59, 95% confidence interval (<em>CI</em>) 0.44–0.80] and primary PCI (6.8%, <em>HR</em> = 0.32, 95% <em>CI</em>: 0.22–0.48) were associated with lower 2-year mortality than those with no reperfusion (28.5%). Among fibrinolysis-treated patients, 510 (76.8%) achieved successful clinical reperfusion; only 17.0% of those with failed fibrinolysis underwent rescue PCI. There was no difference in 2-year mortality between successful fibrinolysis and primary PCI (8.8% <em>vs.</em> 6.8%, <em>HR</em> = 1.53, 95% <em>CI</em>: 0.85–2.73). Failed fibrinolysis predicted a similar mortality (33.1%) to no reperfusion (33.1% <em>vs.</em> 28.5%, <em>HR</em> = 1.30, 95% <em>CI</em>: 0.93–1.81).</p></div><div><h3>Conclusion</h3><p>In Chinese county-level hospitals, only approximately 2/5 of patients with STEMI underwent reperfusion therapy, largely due to prehospital delay. Approximately 30% of patients with failed fibrinolysis and no reperfusion therapy did not survive at 2 years. Quality improvement initiatives are warranted, especially in public health education and fast referral for mechanical revascularization in cases of failed fibrinolysis.</p></div>","PeriodicalId":55364,"journal":{"name":"Biomedical and Environmental Sciences","volume":"36 9","pages":"Pages 826-836"},"PeriodicalIF":3.0000,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Biomedical and Environmental Sciences","FirstCategoryId":"1089","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0895398823001344","RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ENVIRONMENTAL SCIENCES","Score":null,"Total":0}
引用次数: 0
Abstract
Objective
To evaluate the long-term prognosis of patients with ST-segment elevation myocardial infarction (STEMI) treated with different reperfusion strategies in Chinese county-level hospitals
Methods
A total of 2,514 patients with STEMI from 32 hospitals participated in the China Acute Myocardial Infarction registry between January 2013 and September 2014. The success of fibrinolysis was assessed according to indirect measures of vascular recanalization. The primary outcome was 2-year mortality.
Results
Reperfusion therapy was used in 1,080 patients (42.9%): fibrinolysis (n = 664, 61.5%) and primary percutaneous coronary intervention (PCI) (n = 416, 38.5%). The most common reason for missing reperfusion therapy was a prehospital delay > 12 h (43%). Fibrinolysis [14.5%, hazard ratio (HR): 0.59, 95% confidence interval (CI) 0.44–0.80] and primary PCI (6.8%, HR = 0.32, 95% CI: 0.22–0.48) were associated with lower 2-year mortality than those with no reperfusion (28.5%). Among fibrinolysis-treated patients, 510 (76.8%) achieved successful clinical reperfusion; only 17.0% of those with failed fibrinolysis underwent rescue PCI. There was no difference in 2-year mortality between successful fibrinolysis and primary PCI (8.8% vs. 6.8%, HR = 1.53, 95% CI: 0.85–2.73). Failed fibrinolysis predicted a similar mortality (33.1%) to no reperfusion (33.1% vs. 28.5%, HR = 1.30, 95% CI: 0.93–1.81).
Conclusion
In Chinese county-level hospitals, only approximately 2/5 of patients with STEMI underwent reperfusion therapy, largely due to prehospital delay. Approximately 30% of patients with failed fibrinolysis and no reperfusion therapy did not survive at 2 years. Quality improvement initiatives are warranted, especially in public health education and fast referral for mechanical revascularization in cases of failed fibrinolysis.
期刊介绍:
Biomedical and Environmental Sciences (BES) is a peer-reviewed journal jointly established by the Chinese Center for Disease Control and Prevention (China CDC) and the Coulston International Corporation (CIC), USA in 1988, and is published monthly by Elsevier. It is indexed by SCI, PubMed, and CA.
Topics covered by BES include infectious disease prevention, chronic and non-communicable disease prevention, disease control based on preventive medicine, and public health theories. It also focuses on the health impacts of environmental factors in people''s daily lives and work, including air quality, occupational hazards, and radiation hazards.
Article types considered for publication include original articles, letters to the editor, reviews, research highlights, and policy forum.