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HEPAXPERT-III: knowledge-based interpretation of serologic tests for hepatitis A, B, C, and D
K P Adlassnig1, C Chizzali-Bonfadin, M Kreihsl
1Department of Medical Computer Sciences, University of Vienna, Austria.
Abstract:
1. The HEPAXPERT-III SYSTEM. HEPAXPERT-III--the successor of HEPAXPERT-I[1] and HEPAXPERT-II [2]--is a routinely-used, integrated medical database and knowledge-based system that stores and interprets the results of serologic tests for infection with hepatitis A, B, C, and D viruses. The following tests are included: Anti-HAV, IGM anti-HAV, and HAV in stool; HBsAg, anti-HBs, anti-HBc, IGM anti-HBc, HBeAg, anti-HBe, and anti-HBs titre; Anti-HCV, HCV-immunoblot, and HCV-PCR; Delta-Ag and anti-delta. HEPAXPERT-III provides the following functions: a) screen input of patient's personal data (patient ID, surname, first name, name at birth, date of birth, and sex), administrative data (department requiring the tests and date of specimen sample), and medical data (results of serologic tests); and/or b) automatic transfer of patient's personal, administrative, and medical data by connecting HEPAXPERT-III to a laboratory information system, a hospital information system, or an automated laboratory analyzer; and c) automatic generation of interpretive reports of the obtained serologic findings, including an analysis of possible virus exposition, immunity, disease stage, prognosis, and degree of infectiousness. HEPAXPERT-I and HEPAXPERT-II have been routinely used at the Vienna General Hospital, the teaching hospital of the University of Vienna Medical School. The interpretive reports are well-accepted and lead to several improvements in patient care [3]. HEPAXPERT-III will not only extend the scope of interpretation to hepatitis C and D serologic tests, but will also offer a state-of-the-art graphical user interface. 2. HARDWARE AND SOFTWARE. IBM-compatible personal computer (minimum 80386 SX processor), 8 MB RAM (OS/2) and 4 RM RAM (MS-Windows), resp., graphic adapter (minimum 640x480) and printer supported by OS/2 and MS-Windows 3.1, resp., IBM OS/2-2.1 or higher and MS-Windows 3.1 or higher, resp., and for the OS/2 version IBM Database 2 (DB2/2).