Blar i forfatter "Kranzer, Katharina"

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    • Azithromycin versus placebo for the treatment of HIV-associated chronic lung disease in children and adolescents (BREATHE trial): study protocol for a randomised controlled trial 

      Gonzalez-Martinez, Carmen; Kranzer, Katharina; McHugh, Grace; Corbett, Elizabeth L.; Mujuru, Hilda A.; Nicol, Mark P; Rowland-Jones, Sarah; Rehman, Andrea M.; Gutteberg, Tore Jarl; Flægstad, Trond; Odland, Jon Øyvind; Ferrand, Rashida (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-12-28)
      Background<br> Human immunodeficiency virus (HIV)-related chronic lung disease (CLD) among children is associated with substantial morbidity, despite antiretroviral therapy. This may be a consequence of repeated respiratory tract infections and/or dysregulated immune activation that accompanies HIV infection. Macrolides have anti-inflammatory and antimicrobial properties, and we hypothesised that ...

    • Echocardiographic reference ranges in older children and adolescents in sub-Saharan Africa 

      Majonga, Edith D.; Rehman, Andrea M.; McHugh, Grace; Mujuru, Hilda A.; Nathoo, Kusum; Patel, Mohammad S.; Munyati, Shungu; Odland, Jon Øyvind; Kranzer, Katharina; Kaski, Juan P.; Ferrand, Rashida A. (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-06-30)
      Background: Echocardiographic reference ranges are important to identify abnormalities of cardiac dimensions. Reference ranges for children in sub-Saharan Africa have not been established. The aim of this study was to establish echocardiographic z-score references for Black children in sub-Saharan Africa.<p> <p>Methods: 282 healthy subjects aged 6–16 years (143 [51%] males) with no known history ...

    • Effect of Once-Weekly Azithromycin vs Placebo in Children With HIV-Associated Chronic Lung Disease: The BREATHE Randomized Clinical Trial 

      Ferrand, Rashida A.; McHugh, Grace; Rehman, Andrea M.; Mujuru, Hilda A.; Simms, Victoria; Majonga, Edith D.; Nicol, Mark P.; Flægstad, Trond; Gutteberg, Tore Jarl; Gonzalez-Martinez, carmen; Corbett, Elizabeth L.; Rowland-Jones, Sarah; Kranzer, Katharina; Weiss, Helen Anne; Odland, Jon Øyvind (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-12-17)
      <i>Importance</i> - HIV-associated chronic lung disease (HCLD) in children is associated with small airways disease, is common despite antiretroviral therapy (ART), and is associated with substantial morbidity. Azithromycin has antibiotic and immunomodulatory activity and may be effective in treating HCLD through reducing respiratory tract infections and inflammation.<p> <p><i>Objective</i> - ...

    • History of tuberculosis is associated with lower exhaled nitric oxide levels in HIV-infected children 

      Sovershaeva, Evgeniya; Kranzer, Katharina; McHugh, Grace; Bandason, Tsitsi; Majonga, Edith D.; Usmani, Omar S.; Rowland-Jones, Sarah; Gutteberg, Tore Jarl; Flægstad, Trond; Ferrand, Rashida A.; Odland, Jon Øyvind (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-09-01)
      <p><i>Objective - </i>HIV disrupts host defense mechanisms and maintains chronic inflammation in the lung. Nitric oxide is a marker of lung inflammation and can be measured in the exhaled air. We investigated the relationship between exhaled nitric oxide (eNO), HIV status and airway abnormalities in perinatally HIV-infected children aged 6–19 years. <p><i>Design - </i>A cross-sectional study. <p ...

    • Racial Variation in Echocardiographic Reference Ranges for Left Chamber Dimensions in Children and Adolescents: A Systematic Review 

      Majonga, Edith D.; Norrish, Gabrielle; Rehman, Andrea M.; Kranzer, Katharina; Mujuru, Hilda A.; Nathoo, Kusum; Odland, Jon Øyvind; Kaski, Juan P.; Ferrand, Rashida A. (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-04-04)
      Abstract Echocardiography plays a critical role in the assessment of cardiac disease. Important differences in echocardiographically derived cardiac chamber dimensions have been previously highlighted in different population groups in adult studies, but this has not been systematically studied in children, whose body size changes throughout childhood. The aim of this study was to review the ...