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CDA Generation and Integration for Health Information Exchange Based on
Cloud Computing System
Abstract:
Successful deployment of Electronic Health Record helps improve patient safety
and quality of care, but it has the prerequisite of interoperability between Health
Information Exchange at different hospitals. The Clinical Document Architecture
(CDA) developed by HL7 is a core document standard to ensure such
interoperability, and propagation of this document format is critical for
interoperability. Unfortunately, hospitals are reluctant to adopt interoperable HIS
due to its deployment cost except for in a handful countries. A problem arises
even when more hospitals start using the CDA document format because the data
scattered in different documents are hard to manage. In this paper, we describe
our CDA document generation and integration Open API service based
on cloud computing, through which hospitals are enabled to conveniently
generate CDA documents without having to purchase proprietary software. Our
CDA document integration system integrates multiple CDA documents per patient
into a single CDA document and physicians and patients can browse the clinical
data in chronological order. Our system of CDA document generation and
integration is based on cloud computing and the service is offered in Open API.
Developers using different platforms thus can use our system to enhance
interoperability.

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