Vocabulary and Health Care Information Technology: Stat of the Art
نویسنده
چکیده
Medical information is complex: it often contains implicit attributes, internal intricacies, intentional ambiguities, and inaccuracies. One of the greatest challenges to medical computing is the representation of such information in a way that permits symbolic manipulation by computer programs. Clinical systems (defined here as those systems which collect data about and for direct patient care) represent information such as diagnoses using controlled vocabularies to support functions as mundane as billing and statistical reporting and as exotic as automated decision support. General medical information systems-which provide textual, bibliographic, or other reference and educational material-rely on controlled vocabularies for indexing their content. Medical expert systems-which apply medical knowledge to patient-specific diagnostic and therapeutic decisions-require controlled vocabularies which can match patient information with appropriate knowledge. In each case, system developers may choose to use an existing vocabulary, which may fit their needs imperfectly, or they may choose to create their own vocabulary, which requires additional effort and results in systems that tend to be isolated and difficult to integrate. It may seem surprising that such a fundamental requirement for medical computing remains unresolved. But, in the brief history of the field of medical informatics, vocabulary has been a minor topic. As a result, the solutions available today for representing medical data are far less sophisticated than the programs which manipulate them. Fortunately, medical vocabularies are
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ورودعنوان ژورنال:
- JASIS
دوره 46 شماره
صفحات -
تاریخ انتشار 1995