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Potential effect of revising the CDC surveillance case definition for AIDS


The Centers for Disease Control (CDC) revised the surveillance case definition for acquired immunodeficiency syndrome (AIDS) in August, 1987. To determine the impact of this revision, information was extracted from the medical charts of the 630 patients receiving comprehensive medical care as of 1980 at 6 haemophilia treatment centres, and who were therefore likely to have been infected with human immunodeficiency virus (HIV). 38 (6%) and 47 (7%) met the 1985 and 1987 case definitions, respectively (22% increase). Of the cases added by use of the 1987 case definition, 3 patients had HIV dementia, 3 had Pneumocystis carinii pneumonia (2 of whom were presumptively diagnosed and 1 who had been receiving steroids and immunosuppressives), and 3 had HIV wasting syndrome. These data suggest that the revision of the AIDS case definition will have a substantial impact on future AIDS surveillance trends in persons with haemophilia and perhaps in other risk groups.

Stehr-Green JK, Jason JM, Evatt BL

Lancet 1988 Mar;1(8584):520-1

PMID: 2893928