| Summary: | Objective — To analyze the effect of pneumonia on mortality among patients with circulatory decompensation.
Material and methods — The study was based on the ORACLE-RF registry containing information obtained from 20 cities in Russia. Patients were monitored for one year. The research included men and women with symptoms of chronic heart failure during circulatory decompensation period. The patients' average age was 67±13 years. Final analysis included 2404 patients.
Results — Hospital mortality was at 9%. By the 30th day of observation, overall mortality rate stood at 13%. Within the year, the overall mortality rate was 43%. Pneumonia and chronic kidney disease (CKD) had the most pronounced effect on death risk – 49.5% and 47.2%. The study showed that patients who do not have pneumonia and CKD among other associated diseases were 2.5 times more likely to survive after 360 days of observation than patients who have them among other associated diseases. The chances of favorable prognosis in patients without pneumonia are 1.7 times higher than in patients with pneumonia among other diseases.
Conclusion — Pneumonia probably triggered the decompensation mechanism and significantly increased mortality in these patients.
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