Atrioventricular Left Ventricular Apical Pacing Improves Haemodynamic, Rotational, and Deformation Variables in Comparison to Pacing at the Lateral Wall in Intact Myocardium: Experimental Study

Table 3

Significant correlations between hemodynamic, torsional, and deformation indices in the overall study population.

Variables	EF (%)		dP/dtmax		Twist (°)		Apical rotation (°)
	𝑟	𝑃	𝑟	𝑃	𝑟	𝑃	𝑟	𝑃
Pacing	−0.46	0.001			−0.27	0.02	−0.29	0.01
Ls/Ss ratio			0.23	0.04	0.32	0.005	0.34	0.003
QRS duration (ms)	−0.29	0.01			−0.26	0.02	−0.36	0.002
HR (beats/min)			−0.30	0.01	−0.28	0.02	−0.23	0.04
𝑒/𝑒^′ ratio					−0.23	0.05
LVSP (mmHg)			0.65	0.001			0.36	0.002
dp/dtmax (mmHg/s)							0.26	0.03
Twist (°)							0.71	0.001
Twisting rate (°/s)					0.53	0.001	0.29	0.01
Untwisting rate (°/s)					−0.64	0.001	−0.34	0.003
Apical rotation (°)			0.26	0.03	0.71	0.001
Apical rotation rate (°/s)					0.55	0.001
Basal rotation (°)					−0.58	0.001
Basal rotation rate (°/s)					−0.37	0.001
Basal radial strain					0.28	0.02	0.24	0.04
Apical radial strain	0.26	0.02

Abbreviations as in Tables 1 and 2.