Impact of pulmonary valve replacement on left and right ventricular function using strain analysis, in children with repaired tetralogy of Fallot

被引:2
作者
Moradian, Maryam [1 ]
Rashidighader, Fariba [1 ]
Golchinnaghash, Fatemeh [1 ]
Meraji, Mahmoud [1 ]
Ghaemi, Hamid Reza [1 ]
机构
[1] Iran Univ Med Sci, Rajaei Cardiovasc Res & Med Ctr, Sch Med, Dept Pediat Cardiol, Intersect Niayesh Highway & Valiasr St, Tehran 1995614331, Iran
关键词
Echocardiography; Tetralogy of Fallot; Pulmonary valve incompetence; MAGNETIC-RESONANCE; ADULTS; DEATH;
D O I
10.1186/s43044-023-00379-w
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
BackgroundIn repaired Tetralogy of Fallot (rTOF), pulmonary regurgitation and resulting right ventricular (RV) and left ventricular (LV) dysfunction are associated with adverse clinical outcomes. We performed an echocardiographic assessment of LV and RV function using Global Longitudinal Strain (GLS) and conventional echo method prior to and following Pulmonary Valvular Replacement (PVR) to help inform proper timing of operation.ResultsA total of 30 rTOF patients (12.17 +/- 2.5 years, 70% male) were included. Regarding to LV function, the study revealed a significant reverse correlation between LV GLS (absolute value) and early (mean = 10.4 days) and late (mean = 7.4 months) postop LVEF. Paired T-Test showed significant difference between GLS of LV and RV before and late after operation (op), however, without significant changes early postop. Late postop significant improvements occurred in other conventional echo indices of LV and RV function as well. There was also a significant correlation between echo-measured LVEF & Fraction Area Change (RV FAC) and MRI-derived LVEF & RVEF, respectively.ConclusionIn this cross-sectional study in rTOF patients, RV and LV GLS as well as conventional echocardiographic indices regarding LV and RV function improved significantly after 6 months (mean = 7.4mo) following PVR.
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页数:11
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