Right ventricular 2D speckle-tracking echocardiography in children with osteosarcoma under chemotherapy

The Egyptian Heart Journal

Table 6 Basal characteristics, echocardiographic results, and RV 2DSTE of group 1 subgroups after 3 months of follow-up after receiving chemotherapy

	Group 1A (N = 96) (patients with normal RV strain)	Group 1B (N = 4) (patients with decreased RV strain)	P value
Age, years	11.73 ± 2.04	14.75 ± 0.50	0.004*
Male gender, n %	49 (51.0%)	1 (25.0%)	0.307
BSA, m²	1.39 ± 0.07	1.50 ± 0.01	0.006*
LVEDD, cm	3.63 ± 0.30	3.75 ± 0.28	0.449
LVESD, cm	1.96 ± 0.55	1.62 ± 0.25	0.229
LVEF, %	64.31 ± 7.31	65.75 ± 1.50	0.697
LVGLS, %	− 23.84 ± 0.88	− 23.40 ± 1.61	0.339
RVGLS, %	− 24.18 ± 0.91	− 14.25 ± 0.50	0.001*
Apical RVS, %	− 24.81 ± 1.02	− 12.01 ± 0.01	0.001*
Mid RVS, %	− 24.16 ± 0.67	− 14.75 ± 0.50	0.001*
Basal RVS, %	− 24.59 ± 1.03	− 14.50 ± 1.01	0.001*
Tapse, cm	1.83 ± 0.16	1.45 ± 0.05	0.001*
FAC, %	35.85 ± 0.87	31.00 ± 1.15	0.001*

BSA body surface area; LVEDD left ventricular end diastolic dimension; LVESD left ventricular end systolic dimension; LVEF left ventricular ejection fraction; LVGLS left ventricular global longitudinal strain; RVGLS right ventricular global longitudinal strain; Apical, Mid and Basal RVS right ventricular strain; Tapse tricuspid annular plane systolic excursion; FAC fractional area change
* = means significant