• Turk J Med Sci · Oct 2021

    Assessment of fragmented QRS formation and its relationship with left ventricular hypertrophy in non-hypertensive acromegaly patients.

    • Muhammet Dural, Göknur Yorulmaz, Elif Sevil Alagüney, Kadir Uğur Mert, Ezgi Camlı, Ahmet Toygar Kalkan, Aysen Akalın, Medine Nur Kebapçı, Ahmet Serdar Yılmaz, Selda Murat, and Fatma Belgin Efe.
    • Department of Cardiology, Faculty of Medicine, Eskişehir Osmangazi University, Eskişehir, Turkey.
    • Turk J Med Sci. 2021 Oct 21; 51 (5): 243724442437-2444.

    Background/AimIt is known that the presence of fragmented QRS (fQRS) on electrocardiography (ECG) is associated with cardiovascular events. The aim of this study was the evaluation of fQRS formation and its relationship with the left ventricular hypertrophy (LVH) parameters in acromegaly patients.Materials And MethodsIn total, 47 previously diagnosed with non-hypertensive acromegaly patients and 48 control subjects were included in the study. ECG and transthoracic echocardiography (TTE) were performed for each participant. Acromegaly patients were divided into two groups according to the fQRS formation on the ECG. Left ventricular wall thicknesses, and left atrial diameter (LAD), left ventricular mass (LVM), left ventricular mass index (LVMi), and relative wall thickness (RWT) were obtained.ResultsIn control group 5 (10.4%) and in acromegaly group 17 (36.2%) patients had fQRS on ECG (p = 0.003). LAD [36.0 (34.0–38.0) vs. 38.0 (35.0–41.0) mm, p < 0.001], LVM [155.27 ± 27.00 vs. 173.0 (153.0–235.0) g, p < 0.001], LVMi [83.12 ± 13.19 vs. 92.0 (83.0–118.0) g/m², p < 0.001] and RWT [0.39 ± 0.03 vs. 0.43 (0.41–0.45), p = 0.001] were significantly higher in patients with acromegaly. Disease duration was significantly higher (11.59 ± 1.3 vs. 8.2 ± 1.8 years, p < 0.001) in the fQRS (+) group. LAD [41.0 (39.0–42.5) vs. 37.0 (34.7–38.0) mm, p < 0.001], LVM [219.0 (160.5–254.5) vs. 164.0 (153.0–188.0) g, p = 0.017], LVMi [117.0 (92.5–128.5) vs. 86.0 (82.0–100.2) g/m², p = 0.013] and RWT [0.44 (0.42–0.49) vs. 0.43 (0.40–0.44), p = 0.037] were significantly higher in fQSR (+) acromegaly patients. In multivariate logistic regression analysis, disease duration (odds ratio: 10.05, 95% CI: 1.099–92.012, p = 0.041) and LAD (odds ratio: 2.19, 95% CI: 1.030–4.660, p = 0.042) were found to be the independent predictors of fQRS formation.ConclusionThe results of our study revealed that fQRS (+) acromegaly patients had increased LVH parameters compared to fQRS (-) patients.This work is licensed under a Creative Commons Attribution 4.0 International License.

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