Key result
Multiparameter remote monitoring outperforms individual variables for predicting HF events.
Why the study?
Remote monitoring of heart failure patients has become increasingly prevalent, but the reliability of different monitored physiological variables for early detection of decompensation needed review.
Does remote monitoring using physiological variables improve the prediction of HF-related events in heart failure patients?
Does remote monitoring using physiological variables improve the prediction of HF-related events in heart failure patients?
Remote monitoring of heart failure patients is most effective when combining multiple physiological parameters rather than relying on individual variables.
May support multi-parameter remote HF monitoring; hypothesis-generating and requires prospective validation before practice change.
With new advances in technology, remote monitoring of heart failure (HF) patients has become increasingly prevalent and has the potential to greatly enhance the outcome of care. Many studies have focused on implementing systems for the management of HF by analyzing physiological signals for the early detection of HF decompensation. This paper reviews recent literature exploring significant physiological variables, compares their reliability in predicting HF-related events, and examines the findings according to the monitored variables used such as body weight, bio-impedance, blood pressure, heart rate, and respiration rate. The reviewed studies identified correlations between the monitored variables and the number of alarms, HF-related events, and/or readmission rates. It was observed that the most promising results came from studies that used a combination of multiple parameters, compared to using an individual variable. The main challenges discussed include inaccurate data collection leading to contradictory outcomes from different studies, compliance with daily monitoring, and consideration of additional factors such as physical activity and diet. The findings demonstrate the need for a shared remote monitoring platform which can lead to a significant reduction of false alarms and help in collecting reliable data from the patients for clinical use especially for the prevention of cardiac events.
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Senarath et al. (2021) conducted a review in Heart failure. Remote monitoring of multiple physiological parameters vs. Individual variable monitoring was evaluated on Heart failure-related events, number of alarms, and/or readmission rates. Remote monitoring using a combination of multiple physiological parameters yielded the most promising results for predicting heart failure-related events compared to using individual variables.
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