Key result
The baseline remote dielectric sensing (ReDS) value on admission independently predicted an in-hospital increase in plasma BNP levels >100 pg/mL (adjusted OR 1.07; 95% CI 1.01-1.14; p=0.028).
Why the study?
The efficacy of a remote dielectric sensing system in predicting an in-hospital increase in plasma B-type natriuretic peptide levels, a potential surrogate of worsening heart failure, remained undetermined.
Does remote dielectric sensing (ReDS) measurement on admission predict an in-hospital increase in plasma B-type natriuretic peptide levels in patients hospitalized for acute-on-chronic heart failure?
Cohort (n=147)
Blinded to attending clinicians
Does remote dielectric sensing (ReDS) measurement on admission predict an in-hospital increase in plasma B-type natriuretic peptide levels in patients hospitalized for acute-on-chronic heart failure?
Odds Ratio: 1.07 (95% CI 1.01–1.14)
p-value: p=0.028
Remote dielectric sensing (ReDS) measured upon admission is a promising tool for predicting in-hospital worsening heart failure, as indicated by significant BNP increases.
Background: A remote dielectric sensing (ReDS) system quickly quantifies pulmonary congestion. Nonetheless, its efficacy in predicting an in-hospital increase in plasma B-type natriuretic peptide levels, the potential surrogate of worsening heart failure, remains undetermined. Methods: Patients who underwent ReDS measurement on admission during their hospitalization in the general wards for heart failure between 2021 and 2022 were eligible. The impact of the baseline ReDS value, completely blinded to the attending clinicians, on the in-hospital increase in plasma B-type natriuretic peptide levels of >100 pg/mL from index admission was evaluated. Results: A total of 147 patients admitted with acute-on-chronic heart failure (median age: 79 years; 76 men) were included. The median ReDS value on admission was 28% (25%, 34%). Eighteen patients experienced the primary outcome: plasma B-type natriuretic peptide levels increasing from 461 (207, 790) pg/mL (baseline) to 958 (584, 1290) pg/mL (maximum) (p < 0.001). The ReDS value on admission was an independent predictor of the primary outcome, with an adjusted odds ratio of 1.07 (95% confidence interval: 1.01–1.14; p = 0.028) with an optimal cutoff of 32%. Conclusions: The ReDS system could be a promising tool for predicting in-hospital worsening heart failure in patients hospitalized for heart failure when measured upon admission. The clinical implication of ReDS-guided management of heart failure during index hospitalization requires further studies.
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Imamura et al. (2024) conducted a cohort in Acute-on-chronic heart failure (n=147). Remote dielectric sensing (ReDS) value on admission was evaluated on In-hospital increase in plasma B-type natriuretic peptide levels of >100 pg/mL from index admission (OR 1.07, 95% CI 1.01-1.14, p=0.028). The baseline remote dielectric sensing (ReDS) value on admission independently predicted an in-hospital increase in plasma BNP levels >100 pg/mL (adjusted OR 1.07; 95% CI 1.01-1.14; p=0.028).
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