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  • Title: Analysis of the association and predictive value of hyperhomocysteinaemia for obstructive coronary artery disease.
    Author: Wu HY, Gao TJ, Cao YW, Diao JY, You PH, Yao XW.
    Journal: J Int Med Res; 2021 Jul; 49(7):3000605211033495. PubMed ID: 34292764.
    Abstract:
    OBJECTIVE: To investigate the predictive value of hyperhomocysteinaemia (HHcy) for obstructive coronary artery disease (CAD) in an Asian population in northern China. METHODS: This retrospective study enrolled patients at their first cardiac assessment and assigned them to an obstructive CAD group or a non-obstructive CAD group according to the coronary angiography results. HHcy was defined as a homocysteine (Hcy) level > 15 µmol/l. RESULTS: This study enrolled 2987 participants: 1172 in the non-obstructive CAD group and 1815 in the obstructive CAD group. Hcy level in the obstructive CAD group was significantly higher than in the non-obstructive CAD group. The proportion of patients with HHcy in the obstructive CAD group was significantly greater than in the non-obstructive CAD group. Multivariate logistic regression analysis demonstrated that HHcy was independently correlated with obstructive CAD in both young (aged ≤ 55 years) and old patients (aged > 55 years). HHcy showed a higher sensitivity (93.1%), specificity (86.1%) and accuracy (90.0%) for obstructive CAD. The odds ratio for HHcy was 84.2. The Kappa value (0.8) showed substantial agreement between obstructive CAD and HHcy. CONCLUSIONS: HHcy was associated with obstructive CAD and may be a potentially independent risk factor for obstructive CAD with good predictive value.
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