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  • Title: Pathology and causes of death in a group of 128 predominantly HIV-positive patients in Botswana, 1997-1998.
    Author: Ansari NA, Kombe AH, Kenyon TA, Hone NM, Tappero JW, Nyirenda ST, Binkin NJ, Lucas SB.
    Journal: Int J Tuberc Lung Dis; 2002 Jan; 6(1):55-63. PubMed ID: 11931402.
    Abstract:
    BACKGROUND: Little is known about causes of death in countries of southern Africa seriously affected by the HIV/AIDS epidemic. METHODS: After obtaining informed consent, autopsies were performed on 128 mainly hospitalised adults in Francistown, Botswana, between July 1997 and June 1998. Criteria for case selection included those who died before a diagnosis could be established, those whose condition deteriorated unexpectedly during hospitalization, and those who had respiratory disease. This represented 14% of adult medical patients who died in hospital during the study period. RESULTS: Of the 128 patients, 104 (81%) were HIV-positive. Among HIV-positive patients, the most common pathologic findings were tuberculosis (TB) (40%), bacterial pneumonia (23%), Pneumocystis carinii pneumonia (11%), and Kaposi's sarcoma (11%); these conditions were the cause of death in 38%, 14%, 11%, and 6%, respectively. Of the 40 pulmonary TB cases, 90% also had disseminated extra-pulmonary TB. Chest radiology could not reliably distinguish the pathologies pre-mortem. CONCLUSIONS: TB was the leading cause of death in our series of HIV-positive adults in Botswana, selected towards those with chest disease; in most, it was widely disseminated. Bacterial pneumonia also played an important role in mortality. Pneumocystis carinii pneumonia was present, but relatively uncommon.
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