Table 2.

Comparison of Preimplant and Preexplant Echocardiographic Parameters, n=7

Echocardiographic Parameter	Preimplant, Mean ± SD	Preexplant, Mean ± SD	P Value
Heart rate, min	91.7 ± 16.4	69.6 ± 8.9	0.01
Left ventricular ejection fraction, %	12.8 ± 6.9	52.8 ± 8.1	0.0001
Left ventricular end-diastolic internal diameter, mm	60.4 ± 11.7	42.6 ± 5.7	0.02
Left ventricular end-systolic internal diameter, mm	53.4 ± 14.3	33.4 ± 6.2	0.02
Base right ventricular internal diastolic diameter, mm	39.5 ± 6.2	34.8 ± 5.0	0.045
Mid right ventricular internal diastolic diameter, mm	24.3 ± 7.4	18.6 ± 5.6	0.03
Longitudinal right ventricular internal diastolic diameter, mm	77.6 ± 3.7	68.8 ± 5.8	0.006

Note: P<0.05 is statistically significant.