Validation of electrocardiographic criteria for identifying left ventricular dysfunction in patients with previous myocardial infarction
- PMID: 33124739
- PMCID: PMC7935098
- DOI: 10.1111/anec.12812
Validation of electrocardiographic criteria for identifying left ventricular dysfunction in patients with previous myocardial infarction
Abstract
Background: Eleven criteria correlating electrocardiogram (ECG) findings with reduced left ventricular ejection fraction (LVEF) have been previously published. These have not been compared head-to-head in a single study. We studied their value as a screening test to identify patients with reduced LVEF estimated by cardiac magnetic resonance (CMR) imaging.
Methods: ECGs and CMR from 548 patients (age 61 + 11 years, 79% male) with previous myocardial infarction (MI), from the DETERMINE and PRE-DETERMINE studies, were analyzed. Sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of each criterion for identifying patients with LVEF ≤ 30% and ≤ 40% were studied. A useful screening test should have high sensitivity and NPV.
Results: Mean LVEF was 40% (SD = 11%); 264 patients (48.2%) had LVEF ≤ 40%, and 96 patients (17.5%) had LVEF ≤ 30%. Six of 11 criteria were associated with a significant lower LVEF, but had poor sensitivity to identify LVEF ≤ 30% (range 2.1%-55.2%) or LVEF ≤ 40% (1.1%-51.1%); NPVs were good for LVEF ≤ 30% (range 82.8%-85.9%) but not for LVEF ≤ 40% (range 52.1%-60.6%). Goldberger's third criterion (RV4/SV4 < 1) and combinations of maximal QRS duration > 124 ms + either Goldberger's third criterion or Goldberger's first criterion (SV1 or SV2 + RV5 or RV6 ≥ 3.5 mV) had high specificity (95.4%-100%) for LVEF ≤ 40%, although seen in only 48 (8.8%) patients; predictive values were similar on subgroup analysis.
Conclusions: None of the ECG criteria qualified as a good screening test. Three criteria had high specificity for LVEF ≤ 40%, although seen in < 9% of patients. Whether other ECG criteria can better identify LV dysfunction remains to be determined.
Keywords: cardiac magnetic resonance imaging; coronary artery disease; electrocardiology; left ventricular ejection fraction; myocardial infarction.
© 2020 The Authors. Annals of Noninvasive Electrocardiology published by Wiley Periodicals LLC.
Conflict of interest statement
None declared.
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References
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- Bounous, E. P. Jr , Califf, R. M. , Harrell, F. E. Jr , Hinohara, T. , Mark, D. B. , Ideker, R. E. , Selvester, R. H. , & Wagner, G. S. (1988). Prognostic value of the simplified Selvester QRS score in patients with coronary artery disease. Journal of the American College of Cardiology, 11, 35–41. 10.1016/0735-1097(88)90163-5 - DOI - PubMed
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- Clinicaltrials.gov (2018). PRE‐DETERMINE Cohort Study – Clinicaltrials.gov [online]. Available at: https://clinicaltrials.gov/ct2/show/NCT01114269 [Accessed 01 Oct 2018].
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