PMID: 2092414Nov 1, 1990Paper

Evolving concepts of the epidemiology, diagnosis, and therapy of Mycobacterium tuberculosis infection

The Yale Journal of Biology and Medicine
J E Schweinle

Abstract

Tuberculosis in the United States is evolving in nearly all respects--epidemiology, diagnosis, treatment, and prophylaxis. Today a relatively larger segment of the population has predisposing factors to infection with tuberculosis. There is a greater percentage of people who are elderly, who have immigrated from countries endemic for tuberculosis, or who are immunosuppressed due to medications necessary for other conditions, because of malignancies, or because of infection with HIV. Skin test classifications have been revised to give different meanings to different-sized areas of induration at the injection site for defined populations. More sensitive, more specific, and faster diagnostic laboratory tests for tuberculosis are being developed. Short-course chemotherapy of from six to nine months is now accepted as standard treatment, regardless of exactly which of the proven regimens of antibiotics or accepted lengths of therapy is used. Patient compliance is improved with the shorter courses both for treatment and for prophylaxis. Better compliance with therapy results in better treatment outcomes of infections with Mycobacterium tuberculosis.

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