A new telemonitoring system intended for chronic heart failure patients using mobile telephone technology--feasibility study.

Abstract
BACKGROUND Remote monitoring is one modality of structured care in chronic heart failure The purpose of this study was to evaluate the feasibility of a new wireless telemonitoring system via a mobile phone network METHODS Portable home devices for electrocardiogram blood pressure body weight and self assessment measurements were connected via Bluetooth to a personal digital assistant PDA that performs automated encrypted transmission via mobile phone Two telemedical centres were set up RESULTS 30 healthy volunteers were enrolled and followed for 26 days A total of 4002 single measurements were taken 133 37 per person No data was lost or incorrectly allocated 880 of 937 94 of the ECG recordings had sufficient diagnostic quality for rhythm analysis and single beat measurements 50 continuous ECG streams 312 min without disruption were performed Total system availability was 96 6 including that of the mobile phone network CONCLUSIONS Mobile phone technology is suitable for continuous and secure medical data transmission To evaluate the clinical use in chronic heart failure patients a large multicentre randomized controlled trial ClinicalTrials gov Identifier NCT00543881 was started
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Keywords
Cardiovascular disease, Feasibility, Effective resource allocation, Geographic inaccessibility, Chronic care
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