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Processing of Bronchoalveolar Lavage Fluid and Matched Blood for Alveolar Macrophage and CD4+ T-cell Immunophenotyping and HIV Reservoir Assessment
Published on: June 23, 2019
Hospitalization for community-acquired pneumonia in Alberta patients with human immunodeficiency virus infections: a
David H Johnson1, Keumhee C Carriere, Stan Houston
1Department of Critical Care Medicine, University of Alberta, Edmonton. cujecjohnson@shaw.ca
Insights
Outcomes for community-acquired pneumonia were worse in patients with human immunodeficiency virus (HIV) compared to HIV-negative individuals. However, mortality rates for HIV (acquired immunodeficiency syndrome [AIDS]) patients significantly declined over the study period.
Area of Science:
- Infectious Diseases
- Public Health
- Clinical Medicine
Background:
- Pneumonia outcomes in human immunodeficiency virus (HIV)-positive individuals compared to HIV-negative individuals were investigated.
- Understanding disparities in pneumonia care is crucial for public health initiatives.
Purpose of the Study:
- To determine if outcomes of pneumonia differ between HIV-positive and HIV-negative patients.
- To analyze mortality trends and length of hospital stay for pneumonia patients with and without HIV.
Main Methods:
- A retrospective study analyzing Alberta hospital patient abstracts from 1994-1999.
- HIV-positive pneumonia patients were matched by age and sex with four HIV-negative controls.
- Data included length of hospital stay, in-hospital mortality, and one-year mortality.
Main Results:
- HIV (acquired immunodeficiency syndrome [AIDS]) patients had 3x higher odds of longer hospital stays and 3x & 10x higher odds of in-hospital & one-year mortality, respectively.
- HIV (non-AIDS) patients had 2x higher odds of longer hospital stays and 4x higher odds of one-year mortality.
- In-hospital and one-year mortality for HIV (AIDS) patients decreased from 21.2%/64.3% to 8.7%/40.7% over the study period.
Conclusions:
- Community-acquired pneumonia outcomes were worse for both HIV (non-AIDS) and HIV (AIDS) patients compared to matched HIV-negative patients.
- Mortality rates for HIV (AIDS) patients demonstrated a significant decline during the study.
- Despite improvements, HIV-positive patients faced worse pneumonia outcomes, highlighting the need for continued medical advancements and care.
Background:
To determine whether outcomes of pneumonia among human immunodeficiency virus (HIV)-positive persons differed from those among HIV-negative persons.
Methods:
Alberta hospital patient abstracts for HIV-positive per-sons requiring hospitalization for pneumonia from April 1, 1994,until March 31, 1999, were matched by age and sex with four HIV-negative counterparts.
Results:
Hospitalizations for community-acquired pneumonia decreased for those with HIV (acquired immunodeficiency syndrome[AIDS]) and increased for those with HIV (non-AIDS) during the study period. HIV (AIDS) patients admitted for community-acquired pneumonia (n=130) manifested three times higher odds for a longer length of hospital stay and had three and 10 times higher odds for excess in-hospital and one-year mortality, respectively, than their matched controls. Similarly, HIV (non-AIDS) patients admitted for community-acquired pneumonia (n=46) manifested two times high-er odds for a longer length of hospital stay and had four times higher odds for excess one-year mortality than their matched controls. The in-hospital and one-year mortality rates for the HIV (AIDS) patients were 21.2% and 64.3%, respectively, during the first three years, and decreased to 8.7% and 40.7%, respectively, in the last two years of the study.
Conclusions:
The outcomes for community-acquired pneumonia were worse for those with HIV (non-AIDS) and HIV (AIDS)compared with non-HIV hospitalized patients matched for age and sex, and controlling for severity of illness and comorbidity. In-hospital and one-year mortality rates for patients with HIV (AIDS)showed a marked decline over the study period.
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