Incidence, Risk Factors, and Outcomes of Left Atrial Enlargement in Patients Requiring Right Ventricular Pacing: A Retrospective Study of 461 Cases from 2012 to 2020

22 May 2024 : Clinical Research

Wei-Chieh Lee

^123ABCDEF*, Wei-Ting Chang^123CD, Hsiu-Yu Fang^45B, Huang-Chung Chen

^4B, Mien-Cheng Chen^4EF, Ping-Yen Liu^16EF

DOI: 10.12659/MSM.944114

Med Sci Monit 2024; 30:e944114

Introduction Material and Methods Results Discussion Conclusions References

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Table 4 Clinical outcomes between patients without and with significant LAE.

	Without significant LAE	With significant LAE	P value
	365	96
New-onset atrial fibrillation	92 (25.2)	32 (33.3)	0.121
HF event (%)	22 (6.0)	6 (6.3)	0.935
Stroke event (%)	36 (9.9)	17 (17.7)	0.032
Ischemic stroke (%)	33 (33/36; 91.7)	17 (17/17; 100)	0.543
Hemorrhagic stroke (%)	3 (3/36; 8.3)	0 (0/17; 0)	0.543
Cardiovascular mortality (%)	12 (3.3)	2 (2.1)	0.744
All-cause mortality (%)	48 (13.2)	11 (11.5)	0.734
Data are expressed as number (percentage). LAE – left atrial enlargement; HF – heart failure.

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