Performance of an algorithm to detect Pneumocystis carinii pneumonia in symptomatic HIV-infected persons

被引:18
作者
Huang, L
Stansell, J
Osmond, D
Turner, J
Shafer, KP
Fulkerson, W
Kvale, P
Wallace, J
Rosen, M
Glassroth, J
Reichman, L
Hopewell, P
机构
[1] San Francisco Gen Hosp, AIDS Program, San Francisco, CA 94110 USA
[2] Univ Calif San Francisco, San Francisco, CA 94143 USA
[3] Res Triangle Inst, Durham, NC USA
[4] Henry Ford Hosp, Detroit, MI 48202 USA
[5] Univ Calif Los Angeles, Los Angeles, CA USA
[6] Mt Sinai Med Ctr, New York, NY 10029 USA
[7] Northwestern Univ, Chicago, IL 60611 USA
[8] Univ Med & Dent New Jersey, Newark, NJ 07103 USA
关键词
acquired immunodeficiency syndrome; human immunodeficiency virus; lung radiography; opportunistic infections; Pneumocystis carinii pneumonia; respiratory function tests;
D O I
10.1378/chest.115.4.1025
中图分类号
R4 [临床医学];
学科分类号
1002 ; 100602 ;
摘要
Study objectives: To determine whether an algorithm consisting of a chest radiograph and the diffusing capacity of the lung for carbon monoxide (DLCO) is effective in detecting Pneumocystis carinii pneumonia (PCP) in symptomatic HIV-infected persons; and to establish a benchmark for future comparisons of alternative algorithms. Design: Prospective, 64-month study. Setting: Multicenter, ambulatory care. Patients: 306 HIV-infected subjects enrolled in the Pulmonary Complications of EW Infection Study who developed 467 episodes of new or worsening respiratory symptoms. Measurements: Chest radiography followed by DLCO measurement, if the radiograph was normal or unchanged. Results: An algorithm combining a chest radiograph followed by a DLCO measurement, if the radiograph was normal or unchanged, was effective and detected abnormalities that led to a diagnosis of PCP in 78 of 80 evaluable episodes (97.5%), The radiograph (specific parenchymal abnormality, number of lung zones involved) and the DLCO (degree of decrease, degree of decrease from baseline) also provided additional information on the probability of PCP, Conclusions: In symptomatic HIV-infected patients suspected of having PCP, the diagnostic evaluation should begin with a chest radiograph, followed by a DLCO measurement, if the radiograph is normal or unchanged. If both of these tests are normal, it may be reasonable to conclude the evaluation rather than to proceed on to additional testing. This algorithm can serve as a benchmark for future comparisons.
引用
收藏
页码:1025 / 1032
页数:8
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