Risk of pneumonia greater in patients with heart failure:JACC
Patients with HF are thought to be at 2-fold higher risk of pneumonia than age- and sex-matched individuals in the population, and survival from pneumonia is lower in patients with HF than in those without. Conversely, pneumonia increases the risk of worsening HF and is often considered a factor in decompensation leading to hospitalization. According to recent research reports,...
Patients with HF are thought to be at 2-fold higher risk of pneumonia than age- and sex-matched individuals in the population, and survival from pneumonia is lower in patients with HF than in those without. Conversely, pneumonia increases the risk of worsening HF and is often considered a factor in decompensation leading to hospitalization.
According to recent research reports, the incidence of pneumonia was high in patients with HF, especially heart failure with preserved ejection fraction (HFpEF), was noted at around 3 times the expected rate. It was further confirmed that a first episode of pneumonia was associated with 4-fold higher mortality.the findings have been put forth in Journal of the American College of Cardiology.
The incidence of pneumonia and subsequent outcomes has not been compared in patients with heart failure and reduced ejection fraction (HFrEF) and preserved ejection fraction (HFpEF).
This current study aimed to examine the rate and impact of pneumonia in the PARADIGM-HF (Prospective Comparison of Angiotensin Receptor-Neprilysin Inhibitor With Angiotensin Converting Enzyme Inhibitor to Determine Impact on Global Mortality and Morbidity in Heart Failure) and PARAGON-HF (Prospective Comparison of ARNI with ARB Global Outcomes in Heart Failure with Preserved Ejection Fraction) trials.
As for the study design,The authors analyzed the incidence of investigator-reported pneumonia and the rates of HF hospitalization, cardiovascular death, and all-cause death before and after the occurrence of pneumonia, and estimated risk after the first occurrence of pneumonia in unadjusted and adjusted analyses (the latter including N-terminal pro–B-type natriuretic peptide).
Results revealed some interesting facts.
- In PARADIGM-HF, 528 patients (6.3%) developed pneumonia after randomization, giving an incidence rate of 29 (95% CI: 27 to 32) per 1,000 patient-years. In PARAGON-HF, 510 patients (10.6%) developed pneumonia, giving an incidence rate of 39 (95% CI: 36 to 42) per 1,000 patient-years.
- The subsequent risk of all trial outcomes was elevated after the occurrence of pneumonia. In PARADIGM-HF, the adjusted hazard ratio (HR) for the risk of death from any cause was 4.34 (95% CI: 3.73 to 5.05).
- The corresponding adjusted HR in PARAGON-HF was 3.76 (95% CI: 3.09 to 4.58).
The researchers concluded The incidence of pneumonia was high in patients with HF, especially HFpEF, at around 3 times the expected rate.
For full article follow the link:https://doi.org/10.1016/j.jacc.2021.03.001
Primary source: Journal of the American College of Cardiology
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