{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,25]],"date-time":"2026-01-25T08:41:55Z","timestamp":1769330515186,"version":"3.49.0"},"reference-count":21,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2021,1,6]],"date-time":"2021-01-06T00:00:00Z","timestamp":1609891200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["8130093"],"award-info":[{"award-number":["8130093"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Cardiology"],"published-print":{"date-parts":[[2021,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Myeloperoxidase (MPO) secreted by neutrophils is the enzyme that kills bacteria and other pathogens. Acute myocardial infarction (AMI) is usually caused by thrombosis in response to vulnerable plaque rupture. Circulating MPO was found to be associated with increased mortality in AMI patients. However, the relationship between MPO in thrombi and the prognosis of AMI patients remains unknown.<\/jats:p><\/jats:sec><jats:sec><jats:title>Hypothesis<\/jats:title><jats:p>MPO expression in thrombi is associated with the prognosis of patients who underwent primary percutaneous coronary intervention (PCI) after AMI.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This study included 41 consecutive patients with acute ST\u2010elevation myocardial infarction, who successfully underwent primary PCI, during which we collected thrombi remaining in the culprit artery using aspiration catheters. These thrombus samples were fixed, and immunohistochemical staining against MPO and heme oxygenase\u20101 (HO\u20101) was conducted. Enrolled patients were divided into two groups based on the induction of thrombotic MPO, which was quantified using Image J software.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We observed that increased MPO was associated with lower left ventricular ejection fraction (LVEF) and worse LV remodeling in AMI patients. Instead, patients with decreased thrombotic MPO induction had a considerable improvement in LVEF 1\u2009month after discharge (54.4\u2009\u00b1\u20092.0% vs. 61.1\u2009\u00b1\u20092.3%, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.01). In the MPO group, a reduction in the thrombotic HO\u20101 level contributed to the development of adverse LV remodeling. Logistic regression showed that MPO was a considerable risk factor for adverse LV remodeling (adjusted OR 3.70, <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>MPO expression in thrombi is associated with reduced LVEF and deteriorated LV remodeling in AMI patients, which may be due to HO\u20101 suppression in thrombi.<\/jats:p><\/jats:sec>","DOI":"10.1002\/clc.23542","type":"journal-article","created":{"date-parts":[[2021,1,10]],"date-time":"2021-01-10T11:02:45Z","timestamp":1610276565000},"page":"357-363","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["The expression of myeloperoxidase in thrombi is associated with reduced heme oxygenase\u20101 induction and worse left ventricular remodeling in patients with acute <scp>ST<\/scp>\u2010elevation myocardial infarction"],"prefix":"10.1002","volume":"44","author":[{"given":"Xibao","family":"Shi","sequence":"first","affiliation":[{"name":"Department of Cardiology, Shanghai Ruijin Hospital Shanghai Jiaotong University School of Medicine  Shanghai China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tianqi","family":"Zhu","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Shanghai Ruijin Hospital Shanghai Jiaotong University School of Medicine  Shanghai China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6727-8993","authenticated-orcid":false,"given":"Jun","family":"Ni","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Shanghai Ruijin Hospital Shanghai Jiaotong University School of Medicine  Shanghai China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ruiyan","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Shanghai Ruijin Hospital Shanghai Jiaotong University School of Medicine  Shanghai China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2021,1,6]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jacc.2007.04.059"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1002\/clc.20364"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1097\/00041433-200308000-00003"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1093\/eurheartj\/ehy419"},{"key":"e_1_2_10_6_1","first-page":"500","article-title":"Potential role of plasma myeloperoxidase level in predicting long\u2010term outcome of acute myocardial infarction","volume":"39","author":"Kaya MG","year":"2012","journal-title":"Tex Heart Inst 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