AI Article Synopsis
- Chronic fluid accumulation is a key factor in heart failure, causing symptoms like difficulty breathing and edema, with the edema index (EI) emerging as a way to assess congestion status.
- In a study of 401 CHF patients, those with high EI showed a significant increase in long-term mortality rates compared to those with low EI.
- The findings suggest that a higher EI can independently predict all-cause and cardiovascular mortality, indicating its potential use in guiding treatment for CHF patients.
Article Abstract
Introduction: Chronic fluid accumulation or congestion is considered an important pathophysiologic mechanism in heart failure, leading to cardinal symptoms such as dyspnea, pulmonary congestion, and pitting edema. Edema index (EI) recently emerged as a surrogate for extracellular volume status and has been proven to be able to reflect one's congestion status. In this study, we aimed to evaluate the prognostic value of EI in patients with chronic heart failure (CHF).
Methods: A total of 401 consecutive patients with CHF between August 2019 and October 2021 were prospectively enrolled. EI was obtained by InBody S10. The primary endpoint was long-term all-cause and cardiovascular mortality.
Results: Patients with high EI (>0.397) tended to be older, presented with atrial fibrillation, have higher N-terminal brain natriuretic peptide, and have higher creatinine (all p < 0.05). During a median follow-up of 1200 days, the all-cause and cardiovascular mortality rate was significantly higher in the high EI group compared to the low EI group (all-cause mortality rate 43.8% vs. 30.3%, p < 0.001, and cardiovascular mortality rate 17.5% vs. 13.0%, p < 0.001, respectively). In the multivariate Cox proportional hazard analysis, EI > 0.397 was an independent predictor for both all-cause mortality (HR 1.959; 95% CI 1.304, 2.944; p = 0.001) and cardiovascular mortality (HR 2.051; 95% CI 1.276, 3.296; p = 0.003).
Conclusions: Admission EI could be used as a marker for predicting long-term mortality in patients with CHF, and higher EI was associated with an increased risk of all-cause and cardiovascular mortality. Furthermore, EI-guided management could be a promising therapy in patients with CHF.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10798169 | PMC |
| http://dx.doi.org/10.5334/gh.1287 | DOI Listing |
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