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- Title
Therapeutic Effect of Direct Hemoperfusion with a Polymyxin B-Immobilized Fiber Column in the Treatment of HIV-Negative Severe Pneumocystis Pneumonia.
- Authors
Tachikawa, Ryo; Tomii, Keisuke; Murase, Kimihiko; Ueda, Hiroyuki; Harada, Yuka; Kida, Yoko; Ishihara, Kyosuke
- Abstract
Background: Direct hemoperfusion with a polymyxin B-immobilized fiber column (PMX-DHP) has been shown to improve oxygenation in cases of diffuse alveolar damage, but little is known about its effectiveness in treating pneumocystis pneumonia (PCP) in HIV-negative immunosuppressed patients. Objectives: This study was aimed at investigating the effect of PMX-DHP in treating non-HIV-related PCP. Methods: Between October 2005 and September 2008, 6 patients with non-HIV-related PCP were treated with 2 sessions of PMX-DHP at an attending physician's discretion when severe hypoxemia developed despite conventional treatments including high-dose corticosteroid, whereas 9 patients in a similar condition were treated without PMX-DHP. Changes in oxygenation and radiographic findings in the PMX-DHP group and adverse events associated with PMX-DHP were investigated retrospectively, as were the outcomes for both treatment groups. Results: There was an improvement in PaO2/FiO2 during each PMX-DHP session, from 148.8 ± 52.5 to 188.2 ± 79.3 mm Hg (p = 0.02). After 2 sessions of PMX-DHP, an improvement in PaO2/FiO2, from 131.8 ± 37.4 to 213.3 ± 87.3 mm Hg, was observed (p = 0.04), but no significantly different improvement was detected on the following day. The radiographic findings improved in 4 patients during PMX-DHP. The in-hospital mortality was similarly high in both groups (50% in the PMX-DHP group vs. 67% in the non-PMX-DHP group). No significant adverse events associated with PMX-DHP were observed except for advanced thrombocytopenia in 1 patient. Conclusion: PMX-DHP may serve as an adjunct in the treatment of non-HIV-related PCP, temporarily alleviating severe hypoxemia even in cases refractory to conventional treatments. Copyright © 2010 S. Karger AG, Basel
- Subjects
HYPOXEMIA; PNEUMOCYSTIS carinii pneumonia treatment; ACTIVE oxygen in the body; ADRENOCORTICAL hormones; ANALYSIS of variance; CHEST X rays; COMPUTER software; FISHER exact test; HEMOPERFUSION; IMMUNOLOGICAL tolerance; INFLAMMATORY mediators; HEALTH outcome assessment; POLYMYXIN; SURVIVAL analysis (Biometry); T-test (Statistics); DATA analysis; TREATMENT effectiveness; RETROSPECTIVE studies; DRUG dosage; PHARMACODYNAMICS; THERAPEUTICS
- Publication
Respiration, 2011, Vol 81, Issue 4, p318
- ISSN
0025-7931
- Publication type
Article
- DOI
10.1159/000316340