This study will aim to collect proof of concept data to inform the study design of a larger paired comparison study to establish key research questions about the Heartfelt device. The current study will be run with 2 parallel workstreams. Both are presented here: Data collected from Work Stream 1 (WS1) is expected to give an indication of the usefulness of the volumes measured by the Heartfelt device in optimising diuretic therapy for patients undergoing ambulatory-IV diuretic treatment, as well as looking at the usefulness of foot volume changes monitoring post IV Diuretic treatment. As these patients are often managed in a home / community setting, objective indicators to assess oedema during treatment are currently limited. Data collected from Work Stream 2 (WS2), patients recently discharged after a heart failure hospitalisation (HFH), is expected to determine if the Heartfelt device can be used to monitor heart failure stability and detect fluid overload in patients recently discharged from hospital after an episode of decompensated heart failure. The investigators may also be able to get an indication of the number of days prior to hospital admission during which the Heartfelt device can detect changes in foot volume. Both workstreams will provide qualitative feedback, from health care practitioners, patients and carers in both groups about their experience using the Heartfelt Device.
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Use of the device to optimise drug management
Timeframe: 3 months
Use of the device to monitor heart failure stability and detect fluid overload
Timeframe: 3 months
Response to device by patients
Timeframe: 3 months
Response to device by carers
Timeframe: 3 months