Abstract
Different approaches to middleware, supporting systems integration in healthcare, are described and evaluated, regarding concepts, architectural framework, and relevance for healthcare enterprises. This evaluation includes CORBA, DHE, and HL7. CORBA, promoted in the healthcare area through the efforts of CORBAmed, is a strictly object-oriented approach, whereas DHE is based on process-related ...
Abstract
Different approaches to middleware, supporting systems integration in healthcare, are described and evaluated, regarding concepts, architectural framework, and relevance for healthcare enterprises. This evaluation includes CORBA, DHE, and HL7. CORBA, promoted in the healthcare area through the efforts of CORBAmed, is a strictly object-oriented approach, whereas DHE is based on process-related concepts. The earlier HL7 approach, without any modelling and with proprietary communication management, is changing to a harmonised information interchange concept in healthcare, taking into account also other protocols and medical domains with orientation to an electronic patient record. The opening also includes the separation of message definition and message exchange format, enabling the migration of different EDI standards. HL7 will also support the integration of standardised platforms as `networking mediator applications'. Finally, some recommendations for future developments are given.
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