{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,9]],"date-time":"2026-10-09T16:39:14Z","timestamp":1791563954264,"version":"4.3.4"},"reference-count":41,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"4","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["JAHA"],"published-print":{"date-parts":[[2025,2,18]]},"abstract":"\n Background<\/jats:title>\n There is a lack of evidence regarding the association between plasma phenylacetylglutamine levels and lesion severity and clinical prognosis in patients with ST\u2010segment elevation myocardial infarction (STEMI) with multivessel coronary disease (MVCD). This study aims to investigate the potential of phenylacetylglutamine as a biomarker for major adverse cardiovascular events (MACEs) of patients with STEMI and MVCD.<\/jats:p>\n <\/jats:sec>\n \n Methods and Results<\/jats:title>\n Clinical data and blood samples were collected from 631 patients with STEMI and MVCD, who underwent primary percutaneous coronary intervention. Quantitative coronary angiography analysis was performed using the QAngio XA 7.3 system. Plasma phenylacetylglutamine concentrations were measured by rapid resolution liquid chromatography quadrupole time\u2010of\u2010flight mass spectrometry. Among a total of 631 patients, median plasma phenylacetylglutamine level was 3.8 (2.1\u20136.8) \u03bcmol\/L and the cumulative MACE rate at follow\u2010up was 12%. Plasma phenylacetylglutamine levels of patients with MACE were significantly higher than patients without MACE. We employed restricted cubic spline, Kaplan\u2013Meier curves, and Cox proportional hazard models to explore the association between plasma phenylacetylglutamine and prognosis of patients with STEMI and MVCD. Per SD, an increment in phenylacetylglutamine was associated with a 24% higher risk of complexity lesion. Higher phenylacetylglutamine level was an independent predictor of MACEs (hazard ratio [HR], 2.76 [95% CI, 1.62\u20134.72]). A novel prognostic scoring system was established by combining phenylacetylglutamine levels with the synergy between percutaneous coronary intervention with Taxus and cardiac surgery score, with higher scores significantly increasing the risk of MACEs (HR, 4.01 [95% CI, 2.04\u20137.89]).<\/jats:p>\n <\/jats:sec>\n \n Conclusions<\/jats:title>\n Phenylacetylglutamine levels were associated with lesion complexity and prognosis, may serve as a novel biomarker in patients with STEMI and MVCD.<\/jats:p>\n <\/jats:sec>","DOI":"10.1161\/jaha.124.038175","type":"journal-article","created":{"date-parts":[[2025,1,23]],"date-time":"2025-01-23T06:19:57Z","timestamp":1737613197000},"update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":5,"title":["Association of Circulating Phenylacetylglutamine With Multi\u2010Vessel Coronary Disease Severity and Outcomes in ST\u2010Segment\u2013Elevation Myocardial Infarction"],"prefix":"10.1161","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0009-0009-1883-8497","authenticated-orcid":false,"given":"Peng","family":"Zhao","sequence":"first","affiliation":[{"name":"Department of Cardiology The Second Affiliated Hospital of Harbin Medical University Harbin Province Heilongjiang China"},{"name":"Key Laboratory of Myocardial Ischemia Ministry of Education Harbin Province Heilongjiang China"},{"name":"Heilongjiang Provincial Key Laboratory of Panvascular Disease Harbin Province Heilongjiang China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-5465-0091","authenticated-orcid":false,"given":"Nana","family":"Dong","sequence":"additional","affiliation":[{"name":"Department of Cardiology The Second Affiliated Hospital of Harbin Medical University Harbin Province Heilongjiang China"},{"name":"Key Laboratory of Myocardial Ischemia Ministry of Education Harbin Province Heilongjiang China"},{"name":"State 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