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Phone: (843) 588-2001
Edgar Allan Poe/Sullivan's Island Library
Closed for renovations
Phone: (843) 883-3914
West Ashley Library
9 a.m. – 7 p.m.
Phone: (843) 766-6635
Wando Mount Pleasant Library
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Phone: (843) 805-6888
Village Library
9 a.m. - 6 p.m.
Phone: (843) 884-9741
St. Paul's/Hollywood Library
9 a.m. – 8 p.m.
Phone: (843) 889-3300
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Phone: (843) 572-4094
Mt. Pleasant Library
9 a.m. – 8 p.m.
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McClellanville Library
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Keith Summey North Charleston Library
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John's Island Library
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Hurd/St. Andrews Library
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Exhaled nitric oxide is associated with inflammatory biomarkers and risk of acute respiratory exacerbations in children with HIV‐associated chronic lung disease.
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- Author(s): Flygel, Trym Thune; Hameiri‐Bowen, Dan; Simms, Victoria; Rowland‐Jones, Sarah; Ferrand, Rashida Abbas; Bandason, Tsitsi; Yindom, Louis‐Marie; Odland, Jon Øyvind; Cavanagh, Jorunn Pauline; Flægstad, Trond; Sovershaeva, Evgeniya
- Source:
HIV Medicine; Feb2024, Vol. 25 Issue 2, p223-232, 10p- Subject Terms:
LUNG physiology; NITRIC oxide analysis; HIV infection complications; BIOMARKERS; CONFIDENCE intervals; INFLAMMATION; LUNG diseases; CHRONIC diseases; TREATMENT duration; REGRESSION analysis; RISK assessment; TREATMENT effectiveness; RANDOMIZED controlled trials; PLACEBOS; BLIND experiment; DESCRIPTIVE statistics; RESEARCH funding; RESPIRATION; AZITHROMYCIN; DISEASE risk factors; CHILDREN - Source:
- Additional Information
- Subject Terms:
- Abstract: Objectives: Chronic lung disease is a recognized complication in children with HIV. Acute respiratory exacerbations (ARE) are common among this group and cause significant morbidity. Exhaled nitric oxide (eNO) is a known marker of local airway inflammation. We investigated the association between eNO and ARE, biomarkers of systemic inflammation, and the effect of azithromycin on eNO levels. Methods: Individuals aged 6–19 years with HIV‐associated chronic lung disease in Harare, Zimbabwe, were enrolled in a placebo‐controlled randomized trial investigating the effect of 48‐week azithromycin treatment on lung function and ARE. eNO levels and biomarkers were measured at inclusion and after treatment in a consecutively enrolled subset of participants. Linear regression and generalized linear models were used to study associations between eNO and ARE, biomarkers, and the effect of azithromycin on eNO levels. Results: In total, 172 participants were included in this sub‐study, 86 from the placebo group and 86 from the azithromycin group. Participants experiencing at least one ARE during follow‐up had significantly higher eNO levels at baseline than participants who did not (geometric mean ratio 1.13, 95% confidence interval [CI] 1.03–1.24, p = 0.015), adjusted for trial arm, age, sex and history of tuberculosis. Matrix metalloproteinase (MMP)‐3, ‐7, and ‐10 were significantly associated with higher baseline eNO levels. At 48 weeks, azithromycin treatment did not affect eNO levels (geometric mean ratio 0.86, 95% CI 0.72–1.03, p = 0.103). Conclusion: Higher baseline eNO levels were a risk factor for ARE. eNO was associated with proinflammatory biomarkers previously found to contribute to the development of chronic lung disease. The potential use of eNO as a marker of inflammation and risk factor for ARE in HIV‐associated chronic lung disease needs further investigation. [ABSTRACT FROM AUTHOR]
- Abstract: Copyright of HIV Medicine is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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