Table 5.

CIED lead function measurements

	n	Pre-LAAO	Post-LAAO	Degree of change
	Total n	Mean ± SD	Mean ± SD	Mean ± SD	p value
Right atrium
Impedance (Ω)	19/22	461 ± 110	457 ± 106	− 4.4 ± 28	0.507
Threshold (V)	14/22	0.85 ± 0.45	0.89 ± 0.52	0.05 ± 0.21	0.430
Sensing (mV)	15/22	2.42 ± 1.47	3.15 ± 1.70	0.73 ± 1.43	0.069
Right ventricle
Impedance (Ω)	26/31	528 ± 165	550 ± 215	21 ± 122	0.374
Threshold (V)	26/31	1.08 ± 0.75	1.11 ± 0.72	0.03 ± 0.38	0.674
Sensing (mV)	22/31	9.86 ± 4.56	10.47 ± 5.84	0.60 ± 4.98	0.576
Left ventricle
Impedance (Ω)	4/5	472 ± 247	452 ± 221	− 20 ± 42	0.417
Threshold (V)	3/5	1.42 ± 0.45	1.37 ± 0.32	− 0.05 ± 0.18	0.678
Sensing (mV)	2/5	21.90 ± 2.69	19.8 ± 0.28	2.10 ± 2.40	0.433

CIED, cardiac implantable electronic device; LAAO, left atrial appendage occlusion; SD, standard deviation