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Impact of Anemia on In-Hospital, One-Month and One-Year Mortality in Patients with Acute Coronary Syndrome from the Middle East
Clinical Medicine & Research, 05/17/2012
Clinical Article
Sulaiman K et al. – Admission anemia in patients with acute coronary syndrome (ACS) from six Middle–Eastern countries was strongly associated with mortality at in–hospital, one–month, and at one–year. Hence, admission anemia must be considered in the initial risk assessment of ACS patients along with other risk scores.
Methods- Data were analyzed from 7922 consecutive patients admitted to hospitals throughout six Middle–Eastern countries with the final diagnosis of ACS, as part of Gulf RACE II (Registry of Acute Coronary Events II).
- Anemia at admission was defined according to the World Health Organization definition (<13 g/dL in men and <12 g/dL in women).
- Analyses were conducted using univariate and multivariate statistical techniques.
- The median age of the cohort was 56 (48–65) years, with the majority being male (79%).
- Anemia at admission was present in 2241 patients (28%).
- Patients with anemia were more likely to have in–hospital complications including heart failure, recurrent ischemia, re–infarction, cardiogenic shock, stroke, and major bleed.
- Even after adjustment, anemia was still associated with mortality at in–hospital (odds ratio [OR]=1.71, 95% confidence interval [CI], 1.34–2.17; P<0.001), at one–month (OR=1.34, 95% CI, 1.06–1.71; P=0.016), and at one–year (OR=1.22, 95% CI, 1.01–1.49; P=0.049) post–admission with ACS.
