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  • Title: Association between coronary artery stenosis and myocardial injury in patients with acute pulmonary embolism: A case-control study.
    Author: Yang Y, Liu C, Ma J, Zhu X, Ma J, Lu D, Yan X, Gao X, Wang J, Wang L, Zhang S, Li X, Wu B, Sun K, Mao Y, Xu X, Lian T, Cheng C, Jing Z.
    Journal: Chin Med J (Engl); 2024 Aug 20; 137(16):1965-1972. PubMed ID: 38997248.
    Abstract:
    BACKGROUND: The potential impact of pre-existing coronary artery stenosis (CAS) on acute pulmonary embolism (PE) episodes remains underexplored. This study aimed to investigate the association between pre-existing CAS and the elevation of high-sensitivity cardiac troponin I (hs-cTnI) levels in patients with PE. METHODS: In this multicenter, prospective case-control study, 88 cases and 163 controls matched for age, sex, and study center were enrolled. Cases were patients with PE with elevated hs-cTnI. Controls were patients with PE with normal hs-cTnI. Coronary artery assessment utilized coronary computed tomographic angiography or invasive coronary angiography. CAS was defined as ≥50% stenosis of the lumen diameter in any coronary vessel >2.0 mm in diameter. Conditional logistic regression was used to evaluate the association between CAS and hs-cTnI elevation. RESULTS: The percentage of CAS was higher in the case group compared to the control group (44.3% [39/88] vs. 30.1% [49/163]; P  = 0.024). In multivariable conditional logistic regression model 1, CAS (adjusted odds ratio [OR], 2.680; 95% confidence interval [CI], 1.243-5.779), heart rate >75 beats/min (OR, 2.306; 95% CI, 1.056-5.036) and N-terminal pro-B type natriuretic peptide (NT-proBNP) >420 pg/mL (OR, 12.169; 95% CI, 4.792-30.900) were independently associated with elevated hs-cTnI. In model 2, right CAS (OR, 3.615; 95% CI, 1.467-8.909) and NT-proBNP >420 pg/mL (OR, 13.890; 95% CI, 5.288-36.484) were independently associated with elevated hs-cTnI. CONCLUSIONS: CAS was independently associated with myocardial injury in patients with PE. Vigilance towards CAS is warranted in patients with PE with elevated cardiac troponin levels.
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