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Study on the predictive ability of emergency CHADS 2 score and CHA 2 DS 2-VASc score for coronary artery disease and prognosis in patients with acute ST-segment elevation myocardial infarction



Background:

Acute ST-segment elevation myocardial infarction (STEMI) has a high morbidity and mortality rate. The congestive heart failure, hypertension, age, diabetes, previous stroke/transient ischemic attack (2 points) (CHADS2) and CHADS2 score with 2 points assigned for age >75 years-vascular disease (CHA2DS2-VASc) scores are widely used for risk stratification management of non-valvular atrial fibrillation stroke and have high prognostic value in cardiovascular disease. This study aims to investigate the predictive value of the emergency CHADS2 and CHA2DS2-VASc score on coronary artery lesions and prognosis in patients with acute STEMI.


Methods:

A total of 524 patients with STEMI from May 2018 to October 2021 were selected for emergency CHADS2 and CHA2DS2-VASc. Clinical data and laboratory indicators were collected. Patients were evaluated for coronary artery disease (CAD) and prognosis. Logistic regression and the receiver operating characteristic (ROC) curve were used to analyze the data.


Results:

In severe group, CysC levels, CHADS2, CHA2DS2-VASc score and the proportion of diabetes, stroke or transient ischemic attack (TIA), congestive heart failure, smoking history, Killip class ≥2 was higher than that in mild and moderate group. In poor prognosis group, levels of serum creatinine (Crea), CysC, hemoglobin (Hb), CHADS2, CHA2DS2-VASc score and the proportion of hypertension, diabetes, stroke or TIA, congestive heart failure, smoking history, and Killip class ≥2 was higher than that in good prognosis group. Diabetes (OR, 3.678; 95% CI: 2.876-5.872, 0.008), CHADS2 (OR, 3.829; 95% CI: 2.310-5.832, 0.003) and CHA2DS2-VASc score (OR, 4.671; 95% CI: 3.125-6.187, 0.000) were independent risk factors for the severity of CAD (P<0.05). Diabetes (OR, 3.287; 95% CI: 2.231-5.123, 0.012), Killip class ≥2 (OR, 2.212; 95% CI: 1.023-2.987, 0.045), LVEF (OR, 3.110; 95% CI: 2.124-5.031, 0.023), CHADS2 (OR, 3.228; 95% CI: 2.133-5.886, 0.005) and CHA2DS2-VASc score (OR, 3.988; 95% CI: 2.987-5.873, 0.001) were independent risk factors for prognosis of acute STEMI patients. Area under curve (AUC) value of CHA2DS2-VASc score in evaluating CAD and prognosis was 0.947, 0.931, higher than that of the CHADS2 score (0.836, 0.812) (P<0.05).


Conclusions:

Multiple factors jointly affect the severity and prognosis of CAD in patients with acute STEMI. The CHA2DS2-VASc score is better than the CHADS2 score in predicting the severity of coronary artery lesions and prognosis of patients, providing theoretical support for clinical practice.


Keywords:

CHADS2 score with 2 points assigned for age >75 years-vascular disease score (CHA2DS2-VASc score); Congestive heart failure, hypertension, age, diabetes, previous stroke/transient ischemic attack (2 points) score (CHADS2 score); acute ST-segment elevation myocardial infarction (acute STEMI); coronary artery lesions.



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