医療情報システムの三つの顔(EMR、EHR、PHR)

最近、米国でNAHIT(National Alliance for Health Information Technology)が発表した「EMR、EHR、PHRの定義」がちょっとした話題になっている。なるほど考えてみると、これまでEMRとEHRの差異さえ実は明確ではないうちにPHRが出てきてしまったので、これら三者の関係があいまいなままに放置されているような現状がある。NAHITによるそれぞれの定義は下記のようになっている。

EMR:
The electronic record of health-related information on an individual that is created, gathered, managed, and consulted by licensed clinicians and staff from a single organization who are involved in the individual’s health and care.

EHR:
The aggregate electronic record of health-related information on an individual that is created and gathered cumulatively across more than one health care organization and is managed and consulted by licensed clinicians and staff involved in the individual’s health and care.

ePHR:
An electronic, cumulative record of health-related information on an individual,drawn from multiple sources, that is  created, gathered, and managed by the individual. The integrity of the data in the ePHR and control of access to that data is the responsibility of the individual.

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