Two non-technical barriers are critical:
- commercially it may not make sense for systems suppliers to make it easy for data to move in and out of their systems
- professionally, it is unclear that the needs and interests of different professional groups point towards shared data.
The answer I believe lies in patients owning and holding their health record, with each system and professional holdig their own record and able (if permitted by the record owner) to read and write to the master record. The challenge is to create a value proposition for patient held records. It may be something as simple as electronic prescriptions. I like the approach www.keas.com are taking.
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