ISE09/17-18
Subject: | health services, electronic health record sharing system, patient privacy, personal data, patient portal |
Benefits and concerns of sharing electronic health data
Recent developments of eHRSS in Hong Kong
National Health Information System in Estonia
(a) | Mandatory participation of patients: Unlike the voluntary approach in Hong Kong, all Estonians are mandatorily required to participate in ENHIS, unless they opt out from the system. Full eHR of almost all Estonians can be tracked online from the integrated database of all healthcare providers;
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(b) | Comprehensive coverage of eHR: The e-Health data in Estonia is very comprehensive, covering many aspects including diagnoses, physician visits, laboratory tests, medical images, surgical procedures and inpatient treatments;
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(c) | Right of patients to opt out from ENHIS: Although it is a mandatory participation system, each Estonian has the right to opt out from ENHIS or withhold certain health information. That said, only 2% of the Estonian population stay away from ENHIS;
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(d) | Covering e-prescriptions as well: On top of eHR, doctors and healthcare professionals can issue their medical prescriptions to patients electronically. As the centralized system of e-prescription is accessible to all hospitals and pharmacies in Estonia, patients can simply present their e-ID Card to the pharmacy and get the medicine prescribed by the doctors, trimming unnecessary paperwork and doctor visits;
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(e) | Application of blockchain technology for data security: While the overall security level of the Estonian eHR system is set at the highest level, the security measures are audited by independent professionals biennially. Moreover, "ENHIS data is in practice encrypted", providing additional protection to the sharable data.16Legend symbol denoting European Commission (2014). More recently, as a further attempt to enhance data security, the Estonian government turned to blockchain technology in 2016, which can record all access activities of eHR through unchangeable audit trail. As a matter of fact, Estonia has also become the first country to use blockchain for healthcare on a national scale;
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(f) | Patient Portal and restricted access to certain data: Patient Portal was introduced in Estonia in 2009, allowing each Estonian to decide the scope of sharable data in the ENHIS. In this Portal, patients can (i) deny access of their e-Health data by certain healthcare professionals;17Legend symbol denoting Priisalu, J. and Ottis, R. (2017). and (ii) restrict access to either the entire eHR or those documents disclosing specific illness. However, for certain critical health information, healthcare professionals can restrict patient's access to that piece of information for up to six months, so that they can discuss with the patient over the healthcare implications of such information beforehand;18Legend symbol denoting European Commission (2014). and
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(g) | Big data for customized treatment: Big data in ENHIS is also used for compilation of national statistics in Estonia, tracking health trends and epidemics. More recently, the Estonian government has launched a new programme on "personalized medicine" in 2018.19Legend symbol denoting Personalized medicine is a move away from a "one size fits all" approach to the treatment and care of patients with a particular condition, to one which uses new approaches to better manage patients' health and targets therapies to achieve the best outcomes in the management of a patient's disease or predisposition to disease. In 2018, the Estonian government offered free genetic testing for 100 000 residents to develop personalized medicine. For details of personalized medicine, see National Health Service of the United Kingdom. Through analysis of genetic database and eHR in the system, the connections between diseases and health habits can be identified. Based on the findings, healthcare professionals can provide a more customized medical treatment to individual patients, instead of a "one size fits all" approach. |
Prepared by Gary NG
Research Office
Information Services Division
Legislative Council Secretariat
22 August 2018
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Others
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