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Long-Term Impact of Device Closure of Atrial Septal Defect on Cardiac Mechancial and Electric Remodeling
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Long-Term Impact of Device Closure of Atrial Septal Defect on Cardiac Mechancial and Electric Remodeling
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Long-Term Impact of Device Closure of Atrial Septal Defect on Cardiac Mechancial and Electric Remodeling
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Journal Article
Long-Term Impact of Device Closure of Atrial Septal Defect on Cardiac Mechancial and Electric Remodeling
2022
Overview
Background. Atrial septal defect (ASD) is one of the commonest forms of congenital heart disease in adults. It may result in increased cardiac dimensions due to volume overload and prolongation of atrial electromechanical delay (AEMD). We aimed to investigate the effects of percutaneous ASD closure on both cardiac mechanical and electric remodelling after 6 months of ASD closure. Subjects and Methods. A total of 126 adult patients with secundum type ASD admitted to our institution for transcatheter device closure were retrospectively enrolled in this study. History taking, physical examination, electrocardiographic assessment, and echocardiographic examination at baseline and 6 months after ASD closure were done in all patients. Results. After percutaneous ASD closure, there was a significant increase in left ventricular (LV) dimensions and transmitral E/A ratio (P < 0.001) without a significant effect on systolic function (P = 0.83), and a significant reduction of right ventricular (RV) dimensions and pulmonary artery systolic pressure (PASP) (P < 0.001), compared to pre-procedural values. Furthermore, regarding RV functions, there was a significant improvement involving echocardio-graphic parameters of RV myocardial performance index (RVMPI), RV fractional area change (RVFAC), tricuspid annular plane systolic excursion (TAPSE), pulsed tissue Doppler S' wave velocity and RV global longitudinal strain (RVGLS) of the free wall (P < 0.001). Regarding electric remodelling, atrial electromechanical conduction times and AEMD were significantly shortened after closure (P < 0.001). Conclusions. Percutaneous ASD closure has a favorable and positive impact on RV volumes and functions and on the AEMD properties. ASD closure does not have a negative effect on the LV systolic function.
Publisher
Nova Science Publishers, Inc
