Optimal noninvasive assessment of initial left ventricular dysfunction in children with ectopic atrial tachycardia

Abstract

TIC occurred in 18.6% of children with EAT. Initial LV dysfunction assessed by the TDI-MPI and E/E' is associated with elevated plasma NT-proBNP, even the LVEF is normal.

Mitral annular peak systolic velocity in pediatric patients with ectopic atrial tachycardia

“…We suggest that a com-parison of the measured Sm data in children with EAT to available pediatric Sm normal values would have improved the statistical power of their analysis and therefore emphasizing the high value of a TDI investigation of the LV in children with EAT. We further want to strengthen the value of the recent data from Ge et al [1] in contrast to the overaged findings from Swaminathan et al [3]. We want to thank the authors for addressing the usefulness of TDI measurements as alternatives to the conventionally used LVEF.…”

“…We may add that even without a large experience, high-quality acquisition and analysis of the Sm can be easily performed. We hope that with more interesting studies like this from Ge et al [1], this simple quantification of systolic LV function will become an easy available routine tool for all sonographers and physicians.…”

“…We read with great interest the article BOptimal noninvasive assessment of initial left ventricular dysfunction in children with ectopic atrial tachycardia^from Ge et al [1]. The authors found that left ventricular (LV) function assessed with tissue Doppler imaging (TDI) parameters such as the mitral annular peak systolic velocity (Sm) improves an early detection of LV dysfunction in children with ectopic atrial tachycardia (EAT) [1]. In our opinion, this is an excellent statement describing the current needs for simple alternative measurements compared to the conventionally used LV ejection fraction (LVEF).…”

“…In our opinion, this is an excellent statement describing the current needs for simple alternative measurements compared to the conventionally used LV ejection fraction (LVEF). Ge et al [1] investigated children with an age range of 0.1-14.7 years and found, besides reduced Sm values in patients with elevated NT-proBNP levels, that Sm positively correlated with increasing age. They stated that their findings are in contrast to a study from Swaminathan et al [3] from 2003, in that authors showed no differences of Sm values among different pediatric age groups.…”

Assessment of Myocardial Function in Children before and after Autologous Peripheral Blood Stem Cell Transplantation

“…1 Before and 3 months after the HSCT, the presence of a possible functional myocardial impairment was investigated with the use of the tissue Doppler imaging (TDI) parameters, peak mitral annular systolic velocity (Sm), and tricuspid annular peak systolic velocity (S 0 ). In a pediatric cohort suffering from atrial tachycardia, Ge et al 2 found that left ventricular (LV) function assessed with the TDI parameter Sm advances an early detection of LV dysfunction. In agreement to ElMarsafawy et al, 1 Klitsie et al 3 found that TDI parameters were able to detect subclinical impairment of systolic biventricular function in children with congenital heart defects.…”