The relationship between mortality rate with ischemic stroke and AF and CHADS2 score Download PDF

Introduction: there are many factors to predict stroke risk and mortality in patients with stroke and atrial fibrillation. The most common used system for classifying the risk of stroke is CHADS2 scoring system. This cross-sectional study was conducted to assess relationship between mortality rate of patients with ischemic stroke and atrial fibrillation and CHADS2 score. Materials and Methods: 300 patients diagnosed as ischemic stroke and atrial fibrillation among patients of neurology ward of Imam Khomeini Hospital of Urmia in Iran were selected to participate in the study during 2005 and 2015 using simple randomized sampling method. CHADS2 risk factors were collected from medical files of the patients. Then, their CHADS2 score and mortality rate were measured and they were analyzed using SPSS22 software. Results: In 300 patients studied in research, the incidence of mortality was 23.8%. The mean score of CHADS2 was 2.35 ± 1.33. In the group in which patients had a score of 4 or 5, the incidence of mortality was 57.14%, in the group in which patients had a score of 2 or 3, the incidence of mortality was 22.72%, and in the group in which patients had the score 0 or 1, the incidence of mortality was 2.4%. A significant increase in the mortality incidence of patients with higher CHADS2 score was found (P <0.001). Conclusion: The results showed that the incidence of mortality increases with increasing CHADS2 score, but gender had no effect on the incidence of mortality