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Browsing by Subject "Antiretroviral therapy (ART)"

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    Iatrogenic Cushing Syndrome Secondary to Ritonavir-Epidural Triamcinolone Interaction: An Illustrative Case and Review
    (Hindawi, 2014) Sadarangani, Sapna; Berg, Melody L.; Mauck, William; Rizza, Stacey; Medicine, School of Medicine
    HIV positive patients on ritonavir-containing antiretroviral therapy (ART) can develop iatrogenic Cushing syndrome (IACS) and adrenal insufficiency as a result of drug-drug interactions with inhaled or intranasal glucocorticoid therapy. Reports related to epidural triamcinolone injections are relatively uncommon but increasingly reported. We describe a 48-year-old woman with immunologically and virologically well-controlled HIV on ritonavir-based ART, who developed headache, dizziness, and candida and herpes simplex virus (HSV) ulcerative esophagitis 7 days after receiving an epidural triamcinolone injection for cervical radicular pain. Iatrogenic Cushing syndrome and relative adrenal insufficiency were suspected and proven. The patient's ART was changed to a non-HIV protease inhibitor- (PI-) containing program, her symptoms improved, and she did not require hydrocortisone replacement. In this paper, we review the literature on IACS and relative secondary adrenal insufficiency from epidural triamcinolone injections in HIV patients on ritonavir-containing ART regimens. A high index of clinical suspicion is needed for diagnosis. Prevention of drug-drug interactions by taking a thorough medication history for patients on ritonavir-containing ART regimens before prescribing any form of corticosteroid is crucial and effective and sustained interdisciplinary communication in the care of such patients.
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    Impact of Antiretroviral Therapy on Lung Immunology and Inflammation
    (Elsevier, 2013) Twigg, Homer L., III; Knox, Kenneth S.; Medicine, School of Medicine
    Human immunodeficiency virus (HIV) infection causes profound changes in the lung compartment characterized by macrophage and lymphocyte activation, secretion of proinflammatory cytokines and chemokines, and accumulation of CD8 T cells in the alveolar space, leading to lymphocytic alveolitis. Because many of the changes seen in the lung can be attributed to the direct effect of HIV on immune cells, therapy to reduce the HIV burden should have significant beneficial effects. Indeed, antiretroviral therapy rapidly reduces the viral burden in the lung, number of CD8 T cells in the alveolar space, and amount of proinflammatory cytokines and chemokines in bronchoalveolar lavage.
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    A qualitative assessment of barriers to antiretroviral therapy adherence among adolescents in western Kenya
    (Taylor & Francis, 2014-10) Kunapareddy, Catherine June; Nyandiko, Winstone; Inui, Thomas; Ayaya, Samwel; Marrero, David G.; Vreeman, Rachel; Department of Pediatrics, IU School of Medicine
    Antiretroviral therapy (ART) requires nearly perfect adherence to be effective. This study aims to identify key factors identified by HIV-infected adolescents on ART as contributing to medication adherence in western Kenya. Using a qualitative study design, three adolescent focus groups discussions were conducted at an urban and rural clinic site in western Kenya. The study population included HIV-infected adolescents receiving ART through the USAID-AMPATH HIV care system. A trained facilitator conducted groups in Kiswahili using a semi-structured interview guide probing multiple aspects of experience of taking medicines. Transcribed focus group dialogues were analyzed using constant comparison, progressive coding, and triangulation. The adolescents described a context of negative societal beliefs about HIV, necessitating a lifestyle of secrecy and minimizing the information shared about HIV or ART. Assessing and addressing adolescents' fears and behaviors regarding medication secrecy and disclosure may enable more accurate monitoring of adherence and development of intervention strategies.
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    Response to Doherty et al: Early initiation of antiretroviral therapy amongst young children: a long way to go
    (Wolters Kluwer, 2015-10-01) Koller, Manuel; Patel, Kunjal; Chi, Benjamin H.; Wools-Kaloustian, Kara; Dicko, Fatoumata; Chokephaibulkit, Kulkanya; Chimbetete, Cleophas; Hazra, Rohan; Ayaya, Samual; Leroy, Valeriane; Trong, Huu Khanh; Egger, Huu Khanh; Davies, Mary-Ann; Department of Medicine, IU School of Medicine
    Comment on Early Initiation of Antiretroviral Therapy Among Young Children: A Long Way to Go. [J Acquir Immune Defic Syndr. 2015] Immunodeficiency in children starting antiretroviral therapy in low-, middle-, and high-income countries. [J Acquir Immune Defic Syndr. 2015]
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