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22 May 2024 : Clinical Research  

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

Wei-Chieh Lee ORCID logo123ABCDEF*, Wei-Ting Chang123CD, Hsiu-Yu Fang45B, Huang-Chung Chen ORCID logo4B, Mien-Cheng Chen4EF, Ping-Yen Liu16EF

DOI: 10.12659/MSM.944114

Med Sci Monit 2024; 30:e944114

Figure 2 The incidence of an increase of ≥20% from the baseline left atrial dimension and the change of left atrial dimension between the patients with pacing <3.3 years and ≥3.3 years(A) The difference in the incidence of an increase of ≥20% from the baseline left atrial dimension between patients with pacing duration <3.3 years and those with pacing duration ≥3.3 years was statistically significant (16.4% vs 24.9%; P=0.029). (B) Patients with pacing duration ≥3.3 years exhibited a higher mean change in left atrial dimension than did patients with pacing duration <3.3 years (3.3±6.2 mm vs 1.6±5.5 mm; P=0.002). (C) Patients with pacing duration ≥3.3 years exhibited a higher mean percentage of change in left atrial dimension than did patients with pacing duration <3.3 years (11.1±19.7% vs 5.6±16.8%; P=0.001). LAE – left atrial enlargement; LA – left atrium.

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750