HANSA EAST (Demonstrators of Distributed Health Environment (DHE) in 4 countries) has transferred the distributed software technologies for open health, healthcare, hospital, and insurance systems (namely the product DHE - Distributed Healthcare Environment) and applied European standards to the CEE/NIS countries.
Interoperability of existing and newly built systems represents one of the most urgent priorities in healthcare, both in Western Europe and in the CEE/NIS countries. The HANSA projects, i.e. HANSA WEST (NR. HC 1019), HANSA EAST (NR. 96-0096), and HANSA MED (NR. 973101) contribute to the promotion of the new technology and its standardised approaches through demonstrations and/or dissemination activities. These projects demonstrate that employment of a middleware-based open architecture, embodying common healthcare specific services, yields a reduction of working effort needed for interconnection (inter-working) of existing systems capable of sharing and exchanging data. In addition to this, it is also demonstrated that such architecture automatically establishes a common base enabling the rapid development of new applications natively capable of being plugged into the rest of an existing system.
Parallel to the above-mentioned RTD efforts, the standard architecture for such 'open' modular systems has been developed. Meanwhile, it has already been formalised through the European Standard defined by the CEN TC 251 ENV 12967-1 'Healthcare Information Systems Architecture (HISA - Standard)'. The availability of industrial products as e.g. the Distributed Health Environment (since 1995), that conform to this standard, is an additional advantage as it provides the opportunity to demonstrate and measure the effectiveness and validity of the approach in practice. HANSA EAST consisted of installing three Demonstrators of the technology in three different countries, namely in Hungary, Poland, and Romania. These demonstrators were complemented by a Concerted Action directed at the other CEE countries, i.e. Albania, Bulgaria, Czech Republic, Estonia, Latvia, Lithuania, Slovak Republic, and Slovenia. In addition, two agencies in Belarus and the Ukraine have been involved to investigate whether it would also be possible to raise awareness and interest in NIS countries.
From pilot applications, it can be stated that the benefits for the user are: reducing the administration time of care activities; saving manpower by recording patient data only once; easier report generating for the quickly changing requirements.
Usage of a DHE-based application for an x-ray department gave important benefits in managing patient movement, organisation of medical examinations in service points and in the doctor's room where the examination results are described. The constructed database served not only doctors but also helped the NRIMC management in evaluating the functioning of the x-ray department. Integrated into an information system, the application, without the need to re-enter any existent patient data or to produce any other data transfer on other media, employs existent software and thus reduces administrative time. Eliminating any data duplication increases reliability in ordering examinations and recording respective results.