الفهرس 
AcknowledgementOnly 14 pages are availabe for public view
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Abstract
Atrial fibrillation (AF) is a common cardiac arrhythmia associated with reduced quality of life and increased rates of stroke, heart failure, dementia, and overall mortality.
The present study was a one year prospective observational study aimed to describe the baseline demographic and clinical characteristics as well as risk factors among patients newly diagnosed with NVAF versus VAF who admitted to the Cardiovascular medicine Department, Assiut Heart University Hospital during the period from the first of June 2021 up to first of June 2022. The study included 84 patients with AF (42 patients with NVAF and 42 patients with VAF).
The mean age of the studied patients with valvular AF was 41.9 years, and only one patient was aged ≥ 75 years at diagnosis, 40.5% were males, while the mean age at non valvular AF diagnosis was 57.6 years, 19% of the patients were 75 years or older at diagnosis, 59.5% were males.
The prevalence of cardiovascular disease risk factors, comorbid conditions, as smoking, heart failure, or hypertension were all significantly higher in non valvular AF patients than in patients with valvular AF.
Patients with valvular AF had significantly larger left atrial volume (cm3), longer duration since AF diagnosis, and lower systolic BP compared to patients with non valvular AF.
Eleven cases died with a total mortality rate of 13.1%, mainly secondary to cardiovascular causes, with no significant difference between patients with valvular and non valvular AF.
Older aged patients, those with history of heart failure, previous stroke, and/or CKD have higher mortality rate compared to their counterpartners.