Application of Portable CDA for SecuApplication of Portable CDA for Secure Clinical-document Exchangere Clinical-document Exchange

Springer Science + Business Media, LLC 200Springer Science + Business Media, LLC 20099

Kuo-Hsuan Huang, Sung-Huai Hsieh, Yuan-Jen ChanKuo-Hsuan Huang, Sung-Huai Hsieh, Yuan-Jen Chang, Feipei Lai, Sheau-Ling Hsieh, Hsiu-Hui Leeg, Feipei Lai, Sheau-Ling Hsieh, Hsiu-Hui Lee

IntroductionIntroduction

Although HL7 organization tries to make meAlthough HL7 organization tries to make medical messages exchangeable, it is still hard idical messages exchangeable, it is still hard in practice to exchange medical messages.n practice to exchange medical messages.

Issues like patient privacy, network security, Issues like patient privacy, network security, budget, and the strategies of the hospital.budget, and the strategies of the hospital.

Portable CDA—that is a portable storage for Portable CDA—that is a portable storage for the CDA content, just like USB storage.the CDA content, just like USB storage.

BackgroundBackground HL7 V3 adopts an Object Oriented (OO) approacHL7 V3 adopts an Object Oriented (OO) approac

h using Unified Modeling Language (UML) princh using Unified Modeling Language (UML) principles.iples.

HL7 V3 Reference Information Model (RIM) is thHL7 V3 Reference Information Model (RIM) is the basic structure of the CDA.e basic structure of the CDA.

A CDA document uses the XML schema to wrap A CDA document uses the XML schema to wrap contents.contents.

Portable CDAPortable CDA

Doctor can apply for and get the secret key fDoctor can apply for and get the secret key from the rom the governmental healthcare officegovernmental healthcare office to d to decrypt the encrypted CDA document.ecrypt the encrypted CDA document.

Conclusion and discussionConclusion and discussion CCR has defined all the necessary items for tCCR has defined all the necessary items for t

he exchange of clinical information.he exchange of clinical information.

The CCD specification is a constraint on the The CCD specification is a constraint on the HL7 Clinical Document Architecture (CDA) sHL7 Clinical Document Architecture (CDA) standard (tandard (for expressing the CCR data set for expressing the CCR data set inin the CDAthe CDA ?). ?).