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Strain and Strain Rate Echocardiography Findings in Children With Asymptomatic Congenital Aortic Stenosis

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Abstract

The aim of our study was to evaluate myocardial functions with strain/strain rate echocardiography in asymptomatic patients having congenital aortic stenosis (CAS) with normal cardiac functions as determined by conventional echocardiographic techniques and comparing them with those of healthy controls. A total of 58 patients with various degrees of isolated CAS and 52 healthy controls were enrolled in this study. Conventional and two-dimensional speckle tracking (2DSTE) echocardiography were performed. Global longitudinal strain (LS) (−23.1 ± 3.6 and −23.8 ± 4.7), and longitudinal strain rate (LSR) (−1.49 ± 0.32 and −1.76 ± 0.39) values were lower, whereas circumferential strain (CS) (−25.9 ± 4.7 and −22.8 ± 6.4) and circumferential strain rate (CSR) (−1.82 ± 0.46 and −1.69 ± 0.49) values were greater in the patient group than in the control subjects. The difference was significant for global LSR and CS (p < 0.05) values. Regional analysis showed lower LS values in the basal part of the left-ventricular (LV) free wall and lower LSR values in the basal parts of both of the septum and free wall in the patient group (p < 0.05). CS values in the anteroseptal, posterior, and inferior walls were significantly greater in the patients (p < 0.05). 2DSTE detects subtle alterations in myocardial function in asymptomatic children with CAS. Impairment of LV long-axis function occurred earlier and was more prominent in basal parts of the interventricular septum and the free wall of the left ventricle.

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Authors and Affiliations

  1. Department of Pediatric Cardiology, Faculty of Medicine, Gaziosmanpaşa University, Tokat, Turkey

    Vehbi Dogan

  2. Department of Pediatric Cardiology, Dr. Sami Ulus Maternity and Children’s Hospital, Ankara, Turkey

    Burhan Öcal, Utku Arman Orun, Senem Ozgur, Osman Yılmaz, Mahmut Keskin, Özben Ceylan, Selmin Karademir & Filiz Şenocak

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  1. Vehbi Dogan
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  2. Burhan Öcal
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  3. Utku Arman Orun
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Correspondence to Vehbi Dogan.

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Dogan, V., Öcal, B., Orun, U.A. et al. Strain and Strain Rate Echocardiography Findings in Children With Asymptomatic Congenital Aortic Stenosis. Pediatr Cardiol 34, 1152–1158 (2013). https://doi.org/10.1007/s00246-012-0619-7

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  • DOI: https://doi.org/10.1007/s00246-012-0619-7

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