Journal
INTERNATIONAL JOURNAL OF INFECTIOUS DISEASES
Volume 79, Issue -, Pages 109-115Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ijid.2018.12.001
Keywords
Pneumocystis jirovecii; Pneumocystis pneumonia; Adjunctive corticosteroids; Diagnosis Procedure Combination DPC; Database observational study
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Funding
- Ministry of Health, Labour and Welfare, Japan [H25-SEISAKU-SITEI-010, H26-SEISAKU-SITEI-011]
- JSPS KAKENHI [24590604]
- Grants-in-Aid for Scientific Research [24590604] Funding Source: KAKEN
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Objectives: A mortality rate of non-human immunodeficiency virus-infected pneumocystis pneumonia (non-HIV PCP) is 30-60%. But the effectiveness of adjunctive corticosteroids with trimethoprim-ulfamethoxazole has been unclear, and we examined whether it lowered risk of mortality in non-HIV PCP. Methods: We did an observational study of adult non-HIV PCP patients from April 2010 through March 2016, using Japanese nationwide healthcare records of the Diagnostic Procedure Combination database (DPC). The risk was estimated by the time-dependent Cox regression analyses with inverse probability weights. Result: 1299 eligible non-HIV PCP patients were identified. 737 patients were severe respiratory status (partial pressure of oxygen in arterial blood [PaO2] <= 60 mm Hg) and 562 were moderate (PaO2 > 60 mm Hg) at hospital admission. Among patients with severe respiratory status, the adjunctive corticosteroids was associated with lower risk of 60-day mortality (HR 0.71; 95% confidence interval [CI], 0.55-0.91), and significantly decreased mortality rates (24.7% vs 36.6%, P = 0.006). In contrast, no significant differences were observed in the risk of 60-day mortality (HR 1.17; 95% CI, 0.73-1.86) and the mortality rate (10.9% vs 9.1%, P = 0.516) among patients with moderate respiratory status. Conclusion: The adjunctive corticosteroids were associated with lower risk of 60-day mortality in severe non-HIV PCP patients. (c) 2018 The Author(s). Published by Elsevier Ltd on behalf of International Society for Infectious Diseases. This is an open access article under the CC BY-NC-ND license (http://creativecommons. org/licenses/bync- nd/4.0/).
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