Impact of atrial fibrillation on the prognosis of patients with ischemic stroke
Abstract
Introduction: Atrial fibrillation is among main risk factors for ischemic stroke. Its prevalence increases progressively with age.
Material and methods: Retrospective study was conducted on 778 patients hospitalized for stroke in period from January 2004 to January 2014 on Internal medicine Department of General hospital Pljevlja.
RESULTS: During ten years opservational period, 637 (81,9%) out of 778 patients had ischemic stroke. Average age in this patient group was 72,68 ± 9,075, range from 38 to 101. Patients above than 65 years had stroke in higher percent (84%) in comparison to younger group (74,4%). Chi square test showed statistical significant correlation between age and ischemic stroke (p꞊0,004; p˂0,05). Strength of influence was Fi꞊0,103.
Patients older than 65 years had AF in higher rate (23,3%) compared to those younger than 65 (12,8%). Mean age of patients with AF was statistically higher compared to those without AF (p꞊0,003; p˂0,05; Fi꞊-0,107). Total 174 patients died before discharge. Chi square test of independance showed statistically significant correlation between AF and lethal outcome (p꞊0,015; p˂0,05). Lethal outcome of patients with AF was of higher rate (29,4%) compared to those without AF (20,5%), strength of influence was Fi꞊ -0,088.
Conclusion: Patients with stroke associated with AF are at high risk of having lethal outcome. Primary prevention regarding AF recognition and adecquate treatment play key role in inhibiting stroke occurrence as its complication.
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