Journal of cardiology · 2015
Left ventricular diastolic dysfunction is associated with atrial remodeling and risk or presence of stroke in patients with paroxysmal atrial fibrillation.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
Обработка статьи · этапы, ошибки и управление
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Kim Tae-Hoon, Shim Chi Young, Park Jae Hyung, Nam Chung Mo, Uhm Jae-Sun, Joung Boyoung, Lee Moon-Hyoung, Pak Hui-Nam
Аннотация
BACKGROUND: Although the degree of electroanatomical remodeling of the left atrium (LA) is influenced by left ventricular (LV) diastolic function, clinical implications of estimated LV filling pressure (E/Em) are limited in patients with atrial fibrillation (AF). We hypothesized that increased E/Em is related to an advanced LA remodeling, a high CHA2DS2-VASc score, and the presence of stroke or transient ischemic attack (TIA) in patients with paroxysmal AF.
METHODS: We included 1098 patients with paroxysmal AF (male 74.5%, 57.6±11.3 years old) who underwent AF catheter ablation. We compared E/Em to clinical parameters, echocardiography, and three-dimensional-computed tomography findings.
RESULTS: The E/Em>15 group (n=98) was older (p<0.001) and had more females (p<0.001), greater LA volume index (p<0.001), higher CHA2DS2-VASc score (p<0.001), and stroke/TIA prevalence (p=0.001) than groups with an E/Em of 8-15 (n=676) or <8 (n=324). An E/Em was independently associated with the presence of stroke/TIA (OR 1.638, 95% CI 1.050-2.554, p=0.030) after adjusting for age, sex, body surface area, LA volume index, and LA appendage volume index.
CONCLUSIONS: In patients with paroxysmal AF, the elevated LV filling pressure estimated by E/Em is independently associated with the presence of stroke or TIA.
METHODS: We included 1098 patients with paroxysmal AF (male 74.5%, 57.6±11.3 years old) who underwent AF catheter ablation. We compared E/Em to clinical parameters, echocardiography, and three-dimensional-computed tomography findings.
RESULTS: The E/Em>15 group (n=98) was older (p<0.001) and had more females (p<0.001), greater LA volume index (p<0.001), higher CHA2DS2-VASc score (p<0.001), and stroke/TIA prevalence (p=0.001) than groups with an E/Em of 8-15 (n=676) or <8 (n=324). An E/Em was independently associated with the presence of stroke/TIA (OR 1.638, 95% CI 1.050-2.554, p=0.030) after adjusting for age, sex, body surface area, LA volume index, and LA appendage volume index.
CONCLUSIONS: In patients with paroxysmal AF, the elevated LV filling pressure estimated by E/Em is independently associated with the presence of stroke or TIA.