Background: To investigate the correlation between serum homocysteine (Hcy) and uric acid (UA) levels as well as the carotid intima-media thickness (IMT) and the severity of coronary artery lesions in elderly patients with coronary heart disease (CHD). Methods: A total of 156 elderly patients (≥60 years old) with CHD were recruited in the study group; 54 healthy subjects were selected as the control group. Serum Hcy and UA levels, IMT, SYNTAX score and Sullivan scores were measured and analyzed by Pearson correlation. The study group were further divided into low (≤20 points, n=72), middle (21-39 points, n=56) and high (≥40 points, n=28) score groups according to their SYNTAX score and the levels of other indexes between them were compared. The risk factors for CHD and the correlation were analyzed by univariate analysis and logistic regression. Results: SYNTAX scores showed that the levels of serum Hcy, UA, and the IMT in middle [(20.03 ± 7.88) μmol/L, (326.34 ± 79.34) μmol/L, (1.26 ± 0.07) mm)] and high score [(28.98 ± 8.04) μmol/L, (456.67 ± 98.34) μmol/L, (1.33 ± 0.08) mm] groups were significantly higher compared to the low score group [(11.34 ± 3.83) μmol/L, (206.78 ± 60.45) μmol/L, (1.19 ± 0.05) mm)], while the high score group had the highest levels (all P < 0.001). Serum Hcy, UA levels and the IMT were positively correlated with SYNTAX and Sullivan scores (all P < 0.001). Additionally, male gender, smoking, history of hypertension, systolic pressure, pulse pressure, Hcy, UA, IMT, and BMI independently correlated with the severity of CHD (all P < 0.05). Conclusions: The serum levels of Hcy and UA and the IMT in patients with CHD were significantly elevates, and positively correlated with the severity of coronary artery lesions, which may serve as diagnostic indicators.
Background To investigate the correlation between serum homocysteine (Hcy) and uric acid (UA) levels as well as carotid intima-media thickness (IMT) and the severity of coronary artery lesions in elderly patients with coronary heart disease (CHD).Methods A total of 156 elderly patients with CHD in the experimental group were further divided into low, middle and high score groups. Serum Hcy and UA levels, IMT, Gensini and Sullivan scores were measured and analyzed by Pearson correlation. The risk factors for CHD and the correlation were analyzed by single factor analysis and logistic regression.Results The serum levels of Hcy, UA and the IMT in the experimental group were significantly higher than those in the control group (all P < 0.001). Gensini scores showed that the levels of serum Hcy, UA, and the IMT in middle and high score groups were significantly higher than those in the low score group, while the high score group had the significant highest level (all P < 0.001). Serum Hcy, UA levels and the IMT were positively correlated with Gensini and Sullivan scores (all P < 0.001). And male gender, smoking, history of hypertension, systolic pressure, pulse pressure, Hcy, UA, IMT, and BMI were independently correlated with the severity of CHD (all P < 0.05).Conclusions The serum levels of Hcy and UA and the IMT in patients with CHD were significantly increased, and were positively correlated with the severity of coronary artery lesions, which may serve as diagnostic indicators.
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