The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease · 2006
Pneumocystis jirovecii pneumonia in African miners at autopsy.
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Wong M L, Back P, Candy G, Nelson G, Murray J
Аннотация
SETTING: Deceased miners from South Africa whose cardio-respiratory organs were submitted for autopsy for compensation for occupational lung diseases from 1996 to 2000.
OBJECTIVES: 1) To document the incidence of Pneumocystis jirovecii pneumonia (PJP) in autopsied miners; 2) to compare the incidence of PJP over a 5-year period; 3) to record the incidence of concomitant lower respiratory tract infection in a group of PJP-infected deceased miners coming to autopsy from 1996 to 2000; and 4) to describe the accuracy of the in-life diagnosis of PJP in this group.
DESIGN: Case series of 328 deceased Black miners with histological evidence of PJP at autopsy.
RESULTS: Of the 328 miners with PJP at autopsy, 107 (32.6%) had a concomitant respiratory infection, the most common being cryptococcal pneumonia (46.7%), followed by bacterial pneumonia (34.6%) and pulmonary tuberculosis (13.1%). Overall, Pneumocystis pneumonia was unsuspected prior to death in 89% of cases; however, diagnostic accuracy in life improved from 7% in 1996 to 21% in 2000.
CONCLUSION: The high rate of undiagnosed PJP is cause for concern. Clinicians should have a heightened awareness for PJP in Africa, particularly as the disease is treatable at low cost and effective prophylaxis is available.
OBJECTIVES: 1) To document the incidence of Pneumocystis jirovecii pneumonia (PJP) in autopsied miners; 2) to compare the incidence of PJP over a 5-year period; 3) to record the incidence of concomitant lower respiratory tract infection in a group of PJP-infected deceased miners coming to autopsy from 1996 to 2000; and 4) to describe the accuracy of the in-life diagnosis of PJP in this group.
DESIGN: Case series of 328 deceased Black miners with histological evidence of PJP at autopsy.
RESULTS: Of the 328 miners with PJP at autopsy, 107 (32.6%) had a concomitant respiratory infection, the most common being cryptococcal pneumonia (46.7%), followed by bacterial pneumonia (34.6%) and pulmonary tuberculosis (13.1%). Overall, Pneumocystis pneumonia was unsuspected prior to death in 89% of cases; however, diagnostic accuracy in life improved from 7% in 1996 to 21% in 2000.
CONCLUSION: The high rate of undiagnosed PJP is cause for concern. Clinicians should have a heightened awareness for PJP in Africa, particularly as the disease is treatable at low cost and effective prophylaxis is available.