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Bates, Matthew; Shibemba, Aaron; Mudenda, Victor; Chimoga, Charles; Tembo, John; Kabwe, Mwila; Chilufya, Moses; Hoelscher, Michael; Maeurer, Markus; Sinyangwe, Sylvester; Mwaba, Peter; Kapata, Nathan und Zumla, Alimuddin (2016): Burden of respiratory tract infections at post mortem in Zambian children. In: BMC Medicine 14:99 [PDF, 1MB]

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Abstract

Background: Autopsy studies are the gold standard for determining cause-of-death and can inform on improved diagnostic strategies and algorithms to improve patient care. We conducted a cross-sectional observational autopsy study to describe the burden of respiratory tract infections in inpatient children who died at the University Teaching Hospital in Lusaka, Zambia. Methods: Gross pathology was recorded and lung tissue was analysed by histopathology and molecular diagnostics. Recruitment bias was estimated by comparing recruited and non-recruited cases. Results: Of 121 children autopsied, 64 % were male, median age was 19 months (IQR, 12-45 months). HIV status was available for 97 children, of whom 34 % were HIV infected. Lung pathology was observed in 92 % of cases. Bacterial bronchopneumonia was the most common pathology (50 %) undiagnosed ante-mortem in 69 % of cases. Other pathologies included interstitial pneumonitis (17 %), tuberculosis (TB;8 %), cytomegalovirus pneumonia (7 %) and pneumocystis Jirovecii pneumonia (5 %). Comorbidity between lung pathology and other communicable and non-communicable diseases was observed in 80 % of cases. Lung tissue from 70 % of TB cases was positive for Mycobacterium tuberculosis by molecular diagnostic tests. A total of 80 % of TB cases were comorbid with malnutrition and only 10 % of TB cases were on anti-TB therapy when they died. Conclusions: More proactive testing for bacterial pneumonia and TB in paediatric inpatient settings is needed.

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