Standard compliant communication of motion data in a telemonitoring system

• Main Authors: Piro, Neltje Emma, Baumann, Lisa, Kesztyüs, Tibor, Blechschmidt-Trapp, Ronald Archibald
• Format: Article
• Language: deu
• Published: German Medical Science GMS Publishing House 2015-06-01
• Series: GMS Medizinische Informatik, Biometrie und Epidemiologie
• Subjects: patient monitoring; telemedicine; health information exchange; mobile applications; telecommunication networks; network communication protocols; telemonitoring; interoperability; inertial measurement unit; motion tracking
• Online Access: http://www.egms.de/static/en/journals/mibe/2015-11/mibe000158.shtml

Interoperability is regarded as one of the key factors for the high acceptance of a telemonitoring system. In a general telemonitoring scenario for motion tracking, data recorded by inertial sensors should be sent from the patient's home to a central server for medical assessment by a physician. The objective of this work is to elaborate a concept on how continuously measured motion data can be transferred according to the guidelines of the and, and which adaptations are reasonable to achieve high efficiency.For the communication between sensor systems and a smartphone, the X73 standards family was applied. To cover the interface between the smartphone and a central information system, the proposed Version 2.6 was used as message exchange format. Because we are dealing with continually measured data, the HL7 message construction is oriented towards the . Two variants of the transmission of binary motion data with an HL7 message were implemented. An evaluation with regard to relevant criteria led to the decision to use REST-based web services for message transport instead of the SOAP-based variant proposed by the Continua Design Guidelines.To summarize, the developed approach uses extended standards for the transmission of motion data. The detailed results can support other work groups with comparable implementation needs. In order to achieve a fully interoperable system, the communication of motion data should be included in the guidelines of IHE and Continua Health Alliance, since motion sensors can be used in various monitoring scenarios such as in patients with multiple sclerosis or for rehabilitation in general.