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Recent HIV infection

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https://www.readbyqxmd.com/read/29031156/hiv-misdiagnosis-a-root-cause-analysis-leading-to-improvements-in-hiv-diagnosis-and-patient-care
#1
Raynell Lang, Carmen Charlton, Brenda Beckthold, Kiana Kadivar, Stephanie Lavoie, Doug Caswell, Paul Levett, Greg Horsman, John Kim, M John Gill
BACKGROUND: Standard diagnostic testing for HIV infection has traditionally relied on a high sensitivity HIV antibody screening test using an enzyme-linked immunosorbent assay (ELISA) followed by a high specificity antibody confirmatory test such as a Western Blot. Recently several of the screening assays have been enhanced with an ability to identify p24 antigen thereby narrowing the diagnostic window. OBJECTIVES: To explore the implications of enhanced HIV screening methods that may be leading to HIV misdiagnoses...
October 9, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/29031090/recreational-drug-use-and-risk-of-hiv-infection-among-men-who-have-sex-with-men-a-cross-sectional-study-in-shenzhen-china
#2
Chenlin Duan, Lan Wei, Yitian Cai, Lin Chen, Zhengrong Yang, Wei Tan, Yongxia Gan, William W Au, Jin Zhao
BACKGROUND: Recreational drug use has increased in recent years, especially among MSM, and has been found to be associated with higher risk of HIV infection. However, there is limited information about current recreational drug use among MSM in Shenzhen which is an international gateway city to China with a rapidly expanding MSM population. METHODS: A cross-sectional survey among MSM in Shenzhen was conducted and was used to collected information on demographics, sexual behavior and drug use via questionnaires...
October 2, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29029337/protective-effect-of-indoor-residual-spraying-of-insecticide-on-preterm-birth-among-pregnant-women-with-hiv-in-uganda-a-secondary-data-analysis
#3
Michelle E Roh, Stephen Shiboski, Paul Natureeba, Abel Kakuru, Mary Muhindo, Teddy Ochieng, Albert Plenty, Catherine A Koss, Tamara D Clark, Patricia Awori, Miriam Nakalambe, Deborah Cohan, Prasanna Jagannathan, Roly Gosling, Diane V Havlir, Moses R Kamya, Grant Dorsey
Background: Recent evidence demonstrated improved birth outcomes among HIV-uninfected pregnant women protected by indoor residual spraying of insecticide (IRS). Evidence regarding its impact on HIV-infected pregnant women is lacking. Methods: Data were pooled from two studies conducted before-and-after an IRS campaign in Tororo, Uganda among HIV-infected pregnant women who received bednets, daily trimethoprim-sulfamethoxazole (TMP-SMX), and combination antiretroviral therapy (c-ART) at enrollment...
October 6, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29028966/high-rates-of-subsequent-asymptomatic-stis-and-risky-sexual-behavior-in-patients-initially-presenting-with-primary-hiv-1-infection
#4
Dominique L Braun, Alex Marzel, Daniela Steffens, Peter W Schreiber, Christina Grube, Alexandra U Scherrer, Roger D Kouyos, Huldrych F Günthard
Introduction: Knowledge of the characteristics and risk factors of individuals with an asymptomatic sexually transmitted infection (STI) is essential for implementation of targeted STI screening strategies. Methods: Between June 2015 and January 2017 an STI screening was offered to all participants in the Zurich Primary HIV-1 Infection Study. Patients were tested for gonorrhea, chlamydia, syphilis, and hepatitis C virus. Determinants of STI prevalence and incidence were assessed using mixed-model logistic regression and survival analysis...
October 5, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29028668/the-mycobiome-in-hiv
#5
Christopher L Hager, Mahmoud A Ghannoum
PURPOSE OF REVIEW: There are a limited number of studies investigating the association between the microbiome and HIV. Although the majority of these published investigations have focused on the role of the bacterial community (bacteriome) in this setting, a handful of studies have also characterized the role of the mycobiome in HIV-infected individuals. This review will summarize the most recent reports pertaining to the role of the fungal community in HIV. RECENT FINDINGS: Differences in the composition of the oral and respiratory mycobiome in HIV-infected individuals compared with uninfected individuals have been reported...
October 11, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/29028667/impact-of-antiretroviral-drugs-on-the-microbiome-unknown-answers-to-important-questions
#6
Sandra Pinto-Cardoso, Nichole R Klatt, Gustavo Reyes-Terán
PURPOSE OF REVIEW: Little is known on how different antiretroviral (ARV) drugs affect the gut microbiome in HIV infection; and conflicting data exists on the effect of ARV drugs on residual inflammation/immune activation and microbial translocation. RECENT FINDINGS: Gut microbiome involvement in the transmission and pathogenesis of HIV infection is increasingly being recognized. Various studies have shown that antiretroviral therapy (ART) is unable to restore gut health despite effective suppression of plasma HIV viremia...
October 11, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/29028666/microbial-translocation-translating-simian-immunodeficiency-virus-to-hiv
#7
Alexandra M Ortiz, Jason M Brenchley
PURPOSE OF REVIEW: The article describes recent advances in understanding the causes and consequences of microbial translocation in HIV and simian immunodeficiency virus infections. RECENT FINDINGS: Persistent microbial translocation contributes to aberrant immune activation in immunodeficiency lentiviral infections and thereby, pathogenesis and mortality. Efforts to delineate the circumstances surrounding translocation have benefited from use of simian immunodeficiency virus-infected nonhuman primates and highlight the overwhelming immunologic diversion caused by translocating microbes...
October 11, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/29026923/nonhuman-primate-models-for-studies-of-aids-virus-persistence-during-suppressive-combination-antiretroviral-therapy
#8
Gregory Q Del Prete, Jeffrey D Lifson
Nonhuman primate (NHP) models of AIDS represent a potentially powerful component of the effort to understand in vivo sources of AIDS virus that persist in the setting of suppressive combination antiretroviral therapy (cART) and to develop and evaluate novel strategies for more definitive treatment of HIV infection (i.e., viral eradication "cure", or sustained off-cART remission). Multiple different NHP models are available, each characterized by a particular NHP species, infecting virus, and cART regimen, and each with a distinct capacity to recapitulate different aspects of HIV infection...
October 13, 2017: Current Topics in Microbiology and Immunology
https://www.readbyqxmd.com/read/29026634/hiv-positive-patient-with-gbs-like-syndrome
#9
Samantha J Shepherd, Heather Black, Emma C Thomson, Rory N Gunson
Introduction. Guillain-Barré Syndrome (GBS) is an acute demyelinating polyneuropathy which can occur post-infection. Criteria of diagnosis of GBS include areflexia with progressive bilateral weakness in arms and legs. GBS can lead to severe respiratory and cardiac complications. The fatality rate can be up to 5 % in patients, depending on the severity of the symptoms. HIV can cause a range of neurological disorders including, on rare occasions, GBS. GBS can occur at any stage of HIV infection, highlighting the complexity of diagnosis of GBS within HIV patients...
August 2017: JMM Case Reports
https://www.readbyqxmd.com/read/29023474/hiv-1-transmission-networks-in-high-risk-fishing-communities-on-the-shores-of-lake-victoria-in-uganda-a-phylogenetic-and-epidemiological-approach
#10
Sylvia Kiwuwa-Muyingo, Jamirah Nazziwa, Deogratius Ssemwanga, Pauliina Ilmonen, Harr Njai, Nicaise Ndembi, Chris Parry, Paul Kato Kitandwe, Asiki Gershim, Juliet Mpendo, Leslie Neilsen, Janet Seeley, Heikki Seppälä, Fred Lyagoba, Anatoli Kamali, Pontiano Kaleebu
BACKGROUND: Fishing communities around Lake Victoria in sub-Saharan Africa have been characterised as a population at high risk of HIV-infection. METHODS: Using data from a cohort of HIV-positive individuals aged 13-49 years, enrolled from 5 fishing communities on Lake Victoria between 2009-2011, we sought to identify factors contributing to the epidemic and to understand the underlying structure of HIV transmission networks. Clinical and socio-demographic data were combined with HIV-1 phylogenetic analyses...
2017: PloS One
https://www.readbyqxmd.com/read/29023431/hiv-care-outcomes-among-hispanics-or-latinos-with-diagnosed-hiv-infection-united-states-2015
#11
Zanetta Gant, Andre Dailey, Xiaohong Hu, Anna Satcher Johnson
Data from CDC's National HIV Surveillance System (NHSS)* are used to monitor progress toward achieving national goals set forth in the Division of HIV/AIDS Prevention's Strategic Plan (1) and other federal directives(†) for human immunodeficiency virus (HIV) testing, care, and treatment outcomes and HIV-related disparities in the United States. Recent data indicate that Hispanics or Latinos(§) are disproportionately affected by HIV infection. Hispanics or Latinos living with diagnosed HIV infection have lower levels of care and viral suppression than do non-Hispanic whites but higher levels than those reported among blacks or African Americans (2)...
October 13, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/29021661/successful-renal-transplant-in-a-pediatric-patient-with-hiv-associated-nephropathy
#12
Anshuman Sood, David Hakim, Abhishek Bose
HIV-associated nephropathy (HIVAN) is a pathological state of the kidneys due to longstanding, uncontrolled HIV infection. With the rapid progression of HIVAN to end-stage kidney failure, there is a significant potential for renal transplantation to improve the quality of life in these patients. Numerous studies have been recently published documenting renal transplantation as a primary treatment for HIVAN. With the use of highly active antiretroviral therapy, allograft and patient survival rates of HIV-infected persons are nearly identical to those who are HIV negative...
October 2017: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/29021406/whole-genome-sequencing-of-neisseria-gonorrhoeae-reveals-transmission-clusters-involving-patients-of-mixed-hiv-serostatus
#13
Joanna Peters, Fiona Cresswell, Lauren Amor, Kevin Cole, Gillian Dean, Xavier Didelot, Dilrini De Silva, David W Eyre, John Paul
OBJECTIVES: Prevention and control of gonorrhoea depends on understanding the nature of sexual networks and risk factors for infection. We aimed to use high-resolution typing (whole genome sequencing (WGS)) of Neisseria gonorrhoeae isolates plus patient questionnaire data to gain insights into transmission patterns in a high prevalence setting. METHODS: During a 9-month period (July 2014-March 2015), patients diagnosed with gonorrhoea attending sexual health service in Brighton, UK, were invited to provide anonymised detailed information by questionnaire about risk factors for infection...
October 11, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/29021132/willingness-to-use-mobile-phone-apps-for-hiv-prevention-among-men-who-have-sex-with-men-in-london-web-based-survey
#14
William C Goedel, Jason W Mitchell, Paul Krebs, Dustin T Duncan
BACKGROUND: Many men who have sex with men (MSM) use apps to connect with and meet other MSM. Given that these apps are often used to arrange sexual encounters, it is possible that apps may be suitable venues for messages and initiatives related to HIV prevention such as those to increase HIV testing rates among this population. OBJECTIVE: The purpose of this study was to assess willingness to use a new app for reminders of when to be tested for HIV infection among a sample of MSM in London who use apps to arrange sexual encounters...
October 11, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/29019353/hot-news-ready-for-hiv-dual-therapy-new-data-from-international-hiv-aids-society-2017
#15
George A Yendewa, Robert A Salata
The introduction of combination antiretroviral therapy (ART) in the 1990s has fundamentally transformed the landscape of HIV medicine, greatly improved disease morbidity and mortality, and reduced transmission rates across all demographic groups. Central to this success was the idea that to achieve best disease outcomes and minimize the development of drug resistance, at least three antiretroviral agents should be used for HIV treatment. This therapeutic strategy is a core tenet of HIV medicine, backed by incontrovertible scientific evidence, and made easy to deploy by the high compliance levels with once-daily coformulations, which have generally been well tolerated...
October 11, 2017: AIDS Reviews
https://www.readbyqxmd.com/read/29019352/hot-news-gene-therapy-with-crispr-cas9-coming-to-age-for-hiv-cure
#16
Vicente Soriano
The huge success of current antiretroviral therapy is mediated by a triple effect: (i) Halting progression to AIDS in infected persons; (ii) reducing the risk of transmission to contacts (treatment as prevention); and (iii) minimizing the risk of HIV acquisition treating uninfected persons at risk (pre-exposure prophylaxis). However, UNAIDS has estimated that only 70% of infected people globally are diagnosed, only 53% are treated, and overall 44% have undetectable viral load, which is the necessary request for ensuring any antiretroviral benefit...
October 11, 2017: AIDS Reviews
https://www.readbyqxmd.com/read/29019351/hot-news-exosomes-as-new-players-in-hiv-pathogenesis-new-data-from-the-ias-2017
#17
Eva Poveda, Michael L Freeman
Exosomes are nanovesicles that can be released into the extracellular medium by different cell types and are considered an important system of intercellular communication. In some instances, on secretion, exosomes break down and release their content into the extracellular space. Alternatively, intact exosomes can interact with other cells and discharge their content directly into the target cell cytoplasm. Exosomes are rich in endosome-associated proteins (i.e., the tetraspanin family) but also carry different molecules in their lumen including proteins, RNAs (i...
October 11, 2017: AIDS Reviews
https://www.readbyqxmd.com/read/29017610/hiv-among-people-who-inject-drugs-in-hungary
#18
András Ortutay, V Anna Gyarmathy, Zsuzsa Marjanek, Károly Nagy, József Rácz, István Barcs
BACKGROUND: Before 2014 (the year of closure of the two largest needle exchange programs in Hungary, which halved the number of available syringes in the country despite increased injecting risk practices) no HIV was reportedly acquired in Hungary among people who inject drugs (PWIDs) who were not also men who had sex with other men (MSM). In 2014, one and in 2015 two non-MSM PWIDs were newly diagnosed with HIV who supposedly became infected in Hungary, and both incident HIV cases in 2015 were diagnosed in the AIDS stage...
October 11, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/29016621/epidemic-dispersion-of-hiv-and-hcv-in-a-population-of-co-infected-romanian-injecting-drug-users
#19
Simona Paraschiv, Leontina Banica, Ionelia Nicolae, Iulia Niculescu, Adrian Abagiu, Raluca Jipa, Andrea-Clemencia Pineda-Peña, Marta Pingarilho, Emil Neaga, Kristof Theys, Pieter Libin, Dan Otelea, Ana Abecasis
Co-infections with HIV and HCV are very frequent among people who inject drugs (PWID). However, very few studies comparatively reconstructed the transmission patterns of both viruses in the same population. We have recruited 117 co-infected PWID during a recent HIV outbreak in Romania. Phylogenetic analyses were performed on HIV and HCV sequences in order to characterize and compare transmission dynamics of the two viruses. Three large HIV clusters (2 subtype F1 and one CRF14_BG) and thirteen smaller HCV transmission networks (genotypes 1a, 1b, 3a, 4a and 4d) were identified...
2017: PloS One
https://www.readbyqxmd.com/read/29016286/chagas-disease-infection-among-migrants-at-the-mexico-guatemala-border
#20
Erin E Conners, Teresa López Ordoñez, Celia Cordon-Rosales, Carmen Fernández Casanueva, Sonia Morales Miranda, Kimberly C Brouwer
Chagas disease results in the largest burden in terms of disability-adjusted-life-years of any parasitic disease in the Americas. Monitoring Chagas disease among migrants is critical to controlling its spread and to serving the needs of the migrant community. Therefore, we determined the prevalence and correlates of Chagas disease in regional and international migrant populations at the Mexico/Guatemala border. Data were collected as part of a larger study of human immunodeficiency virus (HIV) and migration...
September 5, 2017: American Journal of Tropical Medicine and Hygiene
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