Clinical Chemistry
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Clinical Chemistry 24: 555-561, 1978;
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Clinical Chemistry, Vol 24, 555-561, Copyright © 1978 by American Association for Clinical Chemistry

Computer-controlled instrument system for sequential chemical testing III. Application to liver assessment

GS Cembrowski, FC Larson, RW Huntington 3d, JH Selliken Jr and EC Toren Jr

We used the previously described [Clin. Chem. 19, 1114 (1973)] and evaluated [Clin. Chem. 19, 1122 (1973)] computer-controlled instrument system for sequential chemical testing to select and perform tests of hepatic status, to aid the clinician in the diagnosis of liver disease. Results for total bilirubin, aspartate aminotransferase, and alkaline phosphatase obtained from the continuous-flow analysis (SMA 12/60) admission screen were used by the instrument system to determine selectively the values for gamma-glutamyltransferase, alanine aminotransferase, creatine kinase, and total and direct bilirubin. Kit methods for the latter four tests were evaluated on the system; results were similar to manual procedures. A software, enzymatic ratemeter was found to be better than the previously described hardware ratemeter. The follow-up tests of serum prescribed by the system are compared to clinician-prescribed follow-up tests and discharge diagnoses. In 10 of 19 cases, the system and clinician ordered similar follow-up tests; in three cases follow-up differed, and in six cases, the system ordered follow-up tests and the clinician ordered none.




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Copyright © 1978 by the American Association for Clinical Chemistry.