Disease: Pneumocystis jirovecii pneumonia (PJP)

Differential composition of the pulmonary microbiome in HIV-positive versus HIV-negative patients with Pneumocystis jirovecii

This study compared lung infections in HIV-positive and HIV-negative patients who both had Pneumocystis jirovecii. Researchers found that HIV-positive patients had more diverse microorganisms in their lungs, particularly viruses, yet generally did better. HIV-negative patients had fewer types of microorganisms but worse outcomes. The findings suggest that the way a person’s immune system is weakened matters more than just having many germs present.

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Clinical, Laboratory, and Biomarker Predictors of 90-Day Mortality in Non-HIV, Non-Transplant Pneumocystis Pneumonia

This study examined pneumocystis pneumonia in immunocompromised patients who do not have HIV or transplants. Researchers found that older patients with other health conditions were at higher risk of death within 90 days. High levels of fungal markers and low immune cell counts were better predictors of poor outcomes than traditional inflammation markers, suggesting doctors should focus on early identification and personalized treatment approaches.

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