Effects of Premature Ventricular Complex Burden on Left Ventricular Global Longitudinal Strain in Patients without Structural Heart Disease

Author:

Sukru Arslan1ORCID,Ozan Arabaci H.1ORCID,Furkan Deniz M.1,Emin Gokce M.1,Seyma Arslan2,Veysel Oktay1ORCID,Mustafa Yıldız1,Isıl Uzunhasan1

Affiliation:

1. Department of Cardiology, Cardiology Institute, Istanbul University-Cerrahpasa, 34303 Istanbul, Turkey

2. Republic of Turkey Ministry of Health, 06800 Ankara, Turkey

Abstract

Background: Evaluation of left ventricular (LV) function in patients with idiopathic premature ventricular contraction (PVC) with preserved LV ejection fraction (LVEF), especially in the subclinical stage, may be of great importance in terms of directing early treatment. Methods: A total of 122 patients, retrospectively recruited, were divided into three groups according to PVC burden: Group 1; 5% ≤ PVC < 10%, Group 2; 10% ≤ PVC < 15%, and Group 3; 15% ≤ PVC. Transthoracic echocardiography (TTE) was performed to evaluate LV parameters. Results: LV-GLS (Global longitudinal strain) was found to be significantly lower in groups 2 and 3 with high PVC burden (18.9% ± 1.4, 17.5% ± 2.1, 16.3% ± 1.3; p < 0.001, respectively). Correlation analysis revealed a positive and significant correlation between PVC burden and deterioration in LV-GLS (r: 0.536; p < 0.001). In addition, PVC burden was found to be an independent predictor of LV-GLS deterioration in multiple linear regression analysis (β: 0.525, p < 0.001). The ROC curve analysis demonstrated that a PVC burden cut-off value of 8.4% was associated with a LV-GLS deterioration greater than −18, with a specificity of 75.4% and a sensitivity of 75.4% (AUC: 0.81 [0.73–0.88] 95% CI; p < 0.001). Conclusions: PVC burden was an independent predictor of deterioration in LV-GLS. The presence of LV-GLS deterioration due to PVC burden emphasizes the necessity for closer patient monitoring, observation of the response to pharmacological treatment, and evaluation of early invasive treatment strategies in selected patient groups.

Funder

The author(s) received no financial support for the research, authorship, and/or publication of this article. This research received no external funding.

Publisher

MDPI AG

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