"Differential effects of the site of permanent epicardial pacing on left ventricular synchrony and function in the young: implications for lead placement" . . "Europace" . "To analyse left ventricular (LV) synchrony and function with respect to the epicardial pacing site in the young. Left ventricular function and synchrony (M-mode, speckle tracking) were evaluated during mid-term follow-up in 32 children with complete non-surgical (n = 15) or surgical (n = 17) atrioventricular block (structural heart disease in 21/32) paced from LV apex (n = 19), right ventricular (RV) apex (n = 7), and RV free wall (n = 6), respectively. Data are in the following order: LV apical, RV apical, and RV free wall pacing. Septal to posterior wall motion delay (SPWMD) = median 0, 69, and 136 ms (P < 0.001), septal to lateral mechanical delay = 54 +/- 29, 73 +/- 24, and 129 +/- 70 ms (P = 0.001), apical to basal mechanical delay = 96 +/- 37, 106 +/- 50, and 79 +/- 18 ms (P NS), and LV ejection fraction (LVEF) = 57 +/- 9, 49 +/- 12, and 33 +/- 10% (P < 0.001), respectively. Left ventricular ejection fraction correlated negatively with SPWMD (R-2 = 0.454, P < 0.001) and septal to latera" . . . "Tomek, Viktor" . "GB - Spojen\u00E9 kr\u00E1lovstv\u00ED Velk\u00E9 Brit\u00E1nie a Severn\u00EDho Irska" . "Differential effects of the site of permanent epicardial pacing on left ventricular synchrony and function in the young: implications for lead placement"@en . . "[7BDA85D2B425]" . "R\u00E1zek, V\u00EDt" . "Salameh, Aida" . . . "P(NR9472)" . . "Gebauer, Roman Anton\u00EDn" . "6"^^ . "11" . . "8"^^ . "000272179500015" . . . . "Differential effects of the site of permanent epicardial pacing on left ventricular synchrony and function in the young: implications for lead placement"@en . . . . "310490" . . "Permanent pacing; Heart block; Ventricular dysfunction; Left ventricular pacing; Right ventricular pacing; Children; cardiac resynchronization therapy; dual-chamber; atrioventricular-block; children; heart; dyssynchrony; pacemaker; failure; atrial; trial"@en . . . . . "Differential effects of the site of permanent epicardial pacing on left ventricular synchrony and function in the young: implications for lead placement" . . "12" . . . "Mat\u011Bjka, Tom\u00E1\u0161" . . . . "RIV/00064203:_____/09:5441" . "1099-5129" . . . . . "To analyse left ventricular (LV) synchrony and function with respect to the epicardial pacing site in the young. Left ventricular function and synchrony (M-mode, speckle tracking) were evaluated during mid-term follow-up in 32 children with complete non-surgical (n = 15) or surgical (n = 17) atrioventricular block (structural heart disease in 21/32) paced from LV apex (n = 19), right ventricular (RV) apex (n = 7), and RV free wall (n = 6), respectively. Data are in the following order: LV apical, RV apical, and RV free wall pacing. Septal to posterior wall motion delay (SPWMD) = median 0, 69, and 136 ms (P < 0.001), septal to lateral mechanical delay = 54 +/- 29, 73 +/- 24, and 129 +/- 70 ms (P = 0.001), apical to basal mechanical delay = 96 +/- 37, 106 +/- 50, and 79 +/- 18 ms (P NS), and LV ejection fraction (LVEF) = 57 +/- 9, 49 +/- 12, and 33 +/- 10% (P < 0.001), respectively. Left ventricular ejection fraction correlated negatively with SPWMD (R-2 = 0.454, P < 0.001) and septal to latera"@en . . "RIV/00064203:_____/09:5441!RIV10-MZ0-00064203" . . . "Kubu\u0161, Peter" . . "6"^^ . "Kostelka, Martin" . "Janou\u0161ek, Jan" .