Cor Vasa 2021, 63(6):689-696 | DOI: 10.33678/cor.2021.091

Predictive value of Selvester QRS score for severity of coronary artery disease in ST-segment elevation myocardial infarction

Caner Türkoğlu^a, Ömer Genç^b, Taner Şeker^c, İbrahin Halil Kurt^c

^a Department of Cardiology, Malatya Training and Research Hospital, Malatya, Turkey

^b Department of Cardiology, Ağri Training and Research Hospital, Ağri, Turkey

^c Department of Cardiology, Adana City Training and Research Hospital, Adana, Turkey

Background: QRS score was demonstrated to be a strong predictor of infarct size and poor outcomes in patients with acute ST-segment elevation myocardial infarction (STEMI).

Aim: We aimed to determine the association between the SYNTAX score II (SS-II) and QRS score in patients with STEMI.

Methods: The study included 302 consecutive patients (71.8 % males, mean age 55.1±12.2 years) with STEMI who were treated with primary percutenous coronary intervention (PCI). The patients were divided into two groups according to their SS-II (SS-II ≤32 as low group [n = 241] and SS-II >32 as moderate-high group [n = 61]).

Results: In-patients with moderate-high SS-II score were older. Level of N-terminal pro-B-type natriuretic peptide (NT-proBNP), troponin, wall motion score index and TIMI frame count were significantly higher in the moderate-high SS-II group than in the low SS-II group (p <0.05, for all). Patients with moderate-high SS-II had low ejection fraction (p <0.001). The composite outcome that consists of in-hospital all-cause mortality and major cardiovascular adverse events was significantly higher in the moderate-high SS-II group (p = 0.01). Selvester QRS score was significantly higher in moderate-high SS-II group than in the low SS-II group (p <0.001). QRS score, hypertension, smoking and TIMI frame count were found to be independent predictors of the moderate-high SS-II. The cut-off value of QRS score for predicting SS-II on the basis of receiver operating characteristic (ROC) curve analysis was 9.0, with 50.9% sensitivity and 84.1% specificity (AUC: 0.726, 95% CI: 0.648-0.804, p <0.001).

Conclusion: QRS score is associated with SS-II predicting the severity of coronary artery disease and mortality in patients with STEMI undergoing primary PCI.

Keywords: Hypertension, Selvester QRS score, ST-segment elevation myocardial infarction, SYNTAX score-II, TIMI frame count

Received: June 13, 2021; Revised: June 13, 2021; Accepted: July 26, 2021; Published: December 13, 2021  Show citation