A novel telemedicine system for monitoring congestive heart failure patients

Michal M. Radai, Marina Arad, Sharon Zlochiver, Haim Krief, Tzvika Engelman, Shimon Abboud*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


Congestive heart failure is a widespread cardiac disease in western countries. At present, the main measure for monitoring the level of pulmonary edema in telemedicine systems is weight, which is not a reliable indicator. The authors propose a novel bioimpedance telemedical system to monitor these patients. The system measures the resistivity of each lung using optimization methods and transmits themeasurements viaamodemto a call center. Preliminary results show that the measured resistivity values among healthy young patients are consistent and reproducible within 48 hours. The mean resistivity values in patients with pulmonary congestion were lower than those of the healthy patients: 887 [Ω*cm]±117 vs 1244 [Ω*cm]±87 (P<.01). The systemis noninvasive, safe, and portable. It retrieves unique information correlated with the amount of fluid in the lungs and transmits the data to a medical call center in order to improve the diagnostics and treatment of congestive heart failure. Congest Heart Fail.

Original languageEnglish
Pages (from-to)239-244
Number of pages6
JournalCongestive Heart Failure
Issue number5
StatePublished - 2008


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