Pneumocystis jirovecii pneumonia mortality risk associated with preceding long-term steroid use for the underlying disease: A multicenter, retrospective cohort study
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View abstract on PubMed
Summary
This summary is machine-generated.High steroid doses before Pneumocystis pneumonia (PcP) diagnosis in non-HIV patients significantly increase PcP mortality risk. Appropriate prophylaxis is crucial for this vulnerable population to reduce PcP deaths.
Area Of Science
- Infectious Diseases
- Pulmonology
- Pharmacology
Background
- Long-term corticosteroid use is a known risk factor for Pneumocystis pneumonia (PcP).
- Limited data exist on the impact of steroid dosage and duration on PcP-related mortality in non-HIV patients.
- Understanding risk factors for PcP mortality is crucial for optimizing patient management.
Purpose Of The Study
- To investigate the association between pre-diagnosis steroid dose and 90-day mortality in non-HIV patients with PcP.
- To identify other independent risk factors contributing to PcP mortality.
- To inform prophylactic strategies in immunocompromised patients.
Main Methods
- Retrospective multicenter study analyzing data from 133 non-HIV PcP patients.
- Utilized receiver operating characteristic (ROC) curves to determine optimal steroid dosage thresholds.
- Employed propensity score-based inverse probability of treatment weighting (IPTW) for covariate adjustment in logistic regression analysis.
Main Results
- Steroid dosage in the 1-40 days preceding PcP diagnosis was a significant independent predictor of 90-day mortality (OR 1.36 per 0.1 mg/kg/day increment).
- Optimal cutoff for steroid dosage associated with mortality was 0.34 mg/kg/day.
- Other mortality risk factors included low lymphocyte count and elevated lactate dehydrogenase; autoimmune disease and longer treatment onset were associated with lower mortality.
Conclusions
- Pre-diagnosis corticosteroid exposure is a critical determinant of PcP mortality in non-HIV patients.
- The findings underscore the necessity of targeted Pneumocystis jirovecii pneumonia prophylaxis in patients on long-term steroids.
- Optimizing steroid management and prophylaxis can potentially reduce PcP mortality.
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