New AIDS Definition Effective 1993

1993 revised classification system for HIV infection and expanded surveillance case definition for AIDS among adolescents and adults.

CDC has revised the classification system for HIV infection to emphasize the clinical importance of the CD4+ T-lymphocyte count in the categorization of HIV-related clinical conditions. This classification system replaces the system published by CDC in 1986 (1) and is primarily intended for use in public health practice. Consistent with the 1993 revised classification system, CDC has also expan...

Working group on AIDS case definition.

Survival and treatment of AIDS patients 1984-1993.

OBJECTIVE To assess changes in survival from diagnosis of AIDS for patients managed in a small East London HIV clinic and the impact of therapeutic interventions on these survival patterns. DESIGN Prospective observational study. SETTING Grahame Hayton Unit, Royal London Hospital. SUBJECTS 156 AIDS patients managed between 1984 and 1993. MAIN OUTCOME MEASURE Survival from diagnosis of A...

Considering a New Sample Unit Definition for Pavement Condition Index

One of the main components of pavement management system (PMS) is pavement evaluation. Several indices have been defined for the evaluation of existing pavement. The Pavement Condition Index (PCI) is a common index used for pavement evaluation. In order to calculate PCI, a significant volume of condition data -based on distress surveying- is required. The objective of this research is to reduce...

Cachexia: a new definition.

On December 13th and 14th a group of scientists and clinicians met in Washington, DC, for the cachexia consensus conference. At the present time, there is no widely agreed upon operational definition of cachexia. The lack of a definition accepted by clinician and researchers has limited identification and treatment of cachectic patient as well as the development and approval of potential therap...