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We aimed to investigate the correlation of homocysteine (Hcy) level with clinical characteristics, and explore its predictive value for major adverse cardiovascular events (MACE) risk in female patients with premature acute coronary syndrome (ACS).  The serum Hcy level was detected from 1299 female patients with premature ACS. According to the tertile of Hcy level, patients were divided into 3 groups: lowest tertile group (≤9.1 μmol/L), middle tertile group (9.2–11.6 μmol/L) and highest tertile group (>11.6 μmol/L). MACE incidence was recorded and MACE-free survival was caculated with the median follow-up duration of 28.3 months.  Increased Hcy correlated with older age ( P  < .001), higher creatinine level ( P  < .001), and enhanced uric acid level ( P  = .001), while reduced fasting glucose concentration ( P  < .001). MACE incidence was 10.7% and it was highest in highest tertile group (22.1%), followed by middle tertile group (7.7%) and lowest tertile group (2.4%) ( P  < .001). Receiver operating characteristic curve showed that Hcy distinguished MACE patients from non-MACE patients with the area under the curve of 0.789 (95% CI: 0.742–0.835). Kaplan–Meier curves revealed that MACE-free survival was shortest in Hcy highest tertile group, followed by middle tertile group and lowest tertile group ( P  < .001). Multivariate Cox analyses further showed that higher Hcy level was an independent predictive factor for poor MACE-free survival (middle tertile vs lowest tertile ( P  = .001, HR: 3.615, 95% CI: 1.661–7.864); highest tertile vs lowest tertile ( P  < .001, HR: 11.023, 95% CI: 5.356-22.684)).  Hcy serves as a potential predictive factor for increased MACE risk in female patients with premature ACS.

medicine

Homocysteine as a potential predictive factor for high major adverse cardiovascular events risk in female patients with premature acute coronary syndrome