Automated home telephone self-monitoring reduces hospitalization in patients with advanced heart failure

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Abstract
We studied 138 patients admitted for heart failure (HF). Patients were allocated one of three treatment strategies. Group 1 (G1, n = 50) were given usual care for HF, Group 2 (G2, n = 56) received a multi-disciplinary team approach, while Group 3 (G3, n = 32) had home telephone self-monitoring. Telemonitoring was based on the answers to three simple queries about bodyweight change, dyspnoea and general health. The system stratified the HF severity of each patient once a week, and recommended a prompt medical appointment or simple follow-up. Over a 12-month follow-up period, there were 43 adverse events (cardiovascular deaths and rehospitalizations for HF: G1 = 22, G2 = 14, G3 = 7). There was no difference between G2 and G3 ( P = 0.78) but there was significant disadvantage with usual care ( P = 0.02 vs. G2 and P = 0.04 vs. G3). Time to re-admission for HF increased in G2 and G3 compared to G1 (188 and 198 days vs. 95 days, P = 0.03 and P = 0.02 respectively). Automated home telephone self-monitoring reduced rehospitalization in patients with advanced HF.

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