1. Prognostic value of frontal QRS-T angle in predicting survival after primary percutaneous coronary revascularization/coronary artery bypass grafting for ST-elevation myocardial infarction
- Author
-
Nidhi Kanwar, Tong Liu, Aishwarya Bhardwaj, Arnav Kumar, Meghana Prakash Hiriyur Prakash, Hiroko Beck, Sanjay S. Srivatsa, Janelle Rodriguez, Srilekha Sridhara, Shantanu S. Srivatsa, Gary Tse, and Abhishek C. Sawant
- Subjects
Male ,Percutaneous ,Bypass grafting ,030204 cardiovascular system & hematology ,Coronary artery disease ,Electrocardiography ,0302 clinical medicine ,PCI, Percutaneous Coronary Syndrome ,CHF, Congestive Heart Failure ,030212 general & internal medicine ,Myocardial infarction ,Coronary Artery Bypass ,CABG, Coronary Artery Bypass Grafting ,LOS, Length of stay ,Univariate analysis ,Framingham Risk Score ,ECG, Electrocardiogram ,MCRS, Mayo Clinic Risk Score ,Middle Aged ,STEMI, ST-Elevation Myocardial Infarction ,ACS, Acute Coronary Syndrome ,Prognosis ,ST-elevation myocardial infarction ,medicine.anatomical_structure ,FQRST, Frontal QRS-T angle ,Cardiology ,Female ,Cardiology and Cardiovascular Medicine ,TIMI, Thrombolysis in Myocardial Infarction ,Artery ,medicine.medical_specialty ,RD1-811 ,Risk Assessment ,03 medical and health sciences ,Percutaneous Coronary Intervention ,Internal medicine ,medicine ,Humans ,Diseases of the circulatory (Cardiovascular) system ,Percutaneous coronary revascularization ,ER, Emergency Room ,MACE, Major Adverse Cardiac Events ,Central valley risk score ,Aged ,Retrospective Studies ,business.industry ,Length of Stay ,Predictors of mortality ,medicine.disease ,Log-rank test ,SCD, Sudden Cardiac Death ,Originaln Article ,RC666-701 ,ST Elevation Myocardial Infarction ,Risk score ,Surgery ,Frontal QRS-T angle ,business - Abstract
Background: Frontal QRS-T angle (FQRST) has previously been correlated with mortality in patients with stable coronary artery disease, but its role as survival predictor after ST-elevation myocardial infarction (STEMI) remains unknown. Methods: We evaluated 267 consecutive patients with STEMI undergoing reperfusion or coronary artery bypass grafting. Data assessed included demographics, clinical presentation, electrocardiograms, medical therapy, and one-year mortality. Results: Of 267 patients, 187 (70%) were males and most (49.4%) patients were Caucasian. All-cause mortality was significantly higher among patients with the highest (101–180°) FQRST [28% vs. 15%, p = 0.02]. Patients with FQRST 1–50° had higher survival (85.6%) compared with FQRST = 51–100° (72.3%) and FQRST = 101–180° (67.9%), [log rank, p = 0.01]. Adjusting for significant variables identified during univariate analysis, FQRST (OR = 2.04 [95% CI: 1.31–13.50]) remained an independent predictor of one-year mortality. FQRST-based risk score (1–50° = 0 points, 51–100° = 2 points, 101–180° = 5 points) had excellent discriminatory ability for one-year mortality when combined with Mayo Clinic Risk Score (C statistic = 0.875 [95%CI: 0.813–0.937]. A high (>4 points) FQRST risk score was associated with greater mortality (32% vs. 19%, p = 0.02) and longer length of stay (6 vs. 2 days, p
- Published
- 2019