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Amir, Offer; Ben-Gal, Tuvia; Weinstein, Jean Marc; Schliamser, Jorge; Burkhoff, Daniel; Abbo, Aharon; Abraham, William T
International journal of cardiology, 08/2017, Volume: 240Journal Article
Abstract Objective We tested whether remote dielectric sensing (ReDS)-directed fluid management reduces readmissions in patients recently hospitalized for heart failure (HF). Background Pulmonary congestion is the most common cause of worsening HF leading to hospitalization. Accurate remote monitoring of lung fluid volume may guide optimal treatment and prevent re-hospitalization. ReDS technology is a quantitative non-invasive method for measuring absolute lung fluid volume. Methods Patients hospitalized for acute decompensated HF were enrolled during their index admission and followed at home for 90 days post-discharge. Daily ReDS readings were obtained using a wearable vest, and were used as a guide to optimizing HF therapy, with a goal of maintaining normal lung fluid content. Comparisons of the number of HF hospitalizations during ReDS-guided HF therapy were made, both to the 90 days prior to enrollment and to the 90 days following discontinuation of ReDS monitoring. Results Fifty patients were enrolled, discharged, and followed at home for 76.9 ± 26.2 days. Patients were 73.8 ± 10.3 years old, 40% had LVEF above 40%, and 38% were women. Compared to the pre- and post-ReDS periods, there were 87% and 79% reductions in the rate of HF hospitalizations, respectively, during ReDS-guided HF therapy. The hazard ratio between the ReDS and the pre-ReDS period was 0.07 (95% CI 0.01–0.54 p = 0.01), and between the ReDS and the post-ReDS period was 0.11 (95% CI 0.014–0.88 p = 0.037). Conclusions These findings suggest that ReDS-guided management has the potential to reduce HF readmissions in acute decompensated HF patients recently discharged from the hospital.
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