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https://www.readbyqxmd.com/read/29451611/factors-associated-with-hiv-co-infection-in-cases-of-acquired-syphilis-reported-in-a-reference-center-for-sexually-transmitted-diseases-and-aids-in-the-municipality-of-s%C3%A3-o-paulo-brazil-2014
#1
Carla Gianna Luppi, Solange Eduardo Chabu Gomes, Roberto José Carvalho da Silva, Amanda Miyako Ueno, Anna Maria Kamimura Dos Santos, Ângela Tayra, Renata Ferreira Takahashi
OBJECTIVE: to describe sociodemographic and behavioral characteristics and to identify factors associated with human immunodeficiency virus (HIV) co-infection in cases of acquired syphilis reported in a Reference Center for Sexually Transmitted Diseases (STD) and AIDS. METHODS: cross-sectional study with secondary data from a Reference Center for STD and AIDS in the municipality of São Paulo, Brazil, in 2014; the Poisson regression was used to estimate prevalence ratios (PR) and 95% confidence intervals (95%CI)...
2018: Epidemiologia e Servicos de Saude: Revista do Sistema Unico de Saude do Brasil
https://www.readbyqxmd.com/read/29449799/markov-switching-model-for-quick-detection-of-event-related-desynchronization-in-eeg
#2
Giuseppe Lisi, Diletta Rivela, Asuka Takai, Jun Morimoto
Quick detection of motor intentions is critical in order to minimize the time required to activate a neuroprosthesis. We propose a Markov Switching Model (MSM) to achieve quick detection of an event related desynchronization (ERD) elicited by motor imagery (MI) and recorded by electroencephalography (EEG). Conventional brain computer interfaces (BCI) rely on sliding window classifiers in order to perform online continuous classification of the rest vs. MI classes. Based on this approach, the detection of abrupt changes in the sensorimotor power suffers from an intrinsic delay caused by the necessity of computing an estimate of variance across several tenths of a second...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29449176/rubber-gloves-biodegradation-by-a-consortium-mixed-culture-and-pure-culture-isolated-from-soil-samples
#3
Chairat Nawong, Kamontam Umsakul, Natthawan Sermwittayawong
An increasing production of natural rubber (NR) products has led to major challenges in waste management. In this study, the degradation of rubber latex gloves in a mineral salt medium (MSM) using a bacterial consortium, a mixed culture of the selected bacteria and a pure culture were studied. The highest 18% weight loss of the rubber gloves were detected after incubated with the mixed culture. The increased viable cell counts over incubation time indicated that cells used rubber gloves as sole carbon source leading to the degradation of the polymer...
February 3, 2018: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/29447229/hiv-epidemics-in-shenzhen-and-chongqing-china
#4
Shu Yang, Alice P Y Chiu, Qianying Lin, Ziqian Zeng, Yafei Li, Yao Zhang, Zhengrong Yang, Lin Yang, Daihai He
OBJECTIVE: Men who have sex with men (MSM) and heterosexuals are the populations with the fastest growing HIV infection rates in China. We characterize the epidemic growth and age patterns between these two routes from 2004 to 2015 in Chongqing and Shenzhen, China. DESIGN AND METHODS: Data were downloaded from the National HIV/ AIDS Comprehensive Response Information Management System. For the new HIV diagnoses of heterosexuals and MSM in both cities, we estimated the growth rates by fitting different sub-exponential models...
2018: PloS One
https://www.readbyqxmd.com/read/29446470/hev-and-hav-seroprevalence-in-men-that-have-sex-with-men-msm-an-update-from-milan-italy
#5
Letizia Greco, Sara Colonia Uceda Renteria, Davide Guarneri, Anna Orlandi, Antonella Zoccoli, Susanna Benardon, Marco Cusini, Giovanna Lunghi
Hepatitis E virus (HEV) is a feco-orally transmitted pathogen and one of the most common cause of acute hepatitis worldwide. Recent studies in developed countries suggested that a direct human-to-human contact such as for sexually transmitted diseases may play a significant role in the HEV spread. The aim of this study was to investigate the seroprevalence of HEV and HAV in a group of MSM, including subjects HIV and Treponema infected, in Milan, Italy. The overall anti HEV IgG seroprevalence in MSM was 10.2% (65/636), instead in the control group the detection rate was 5...
February 15, 2018: Journal of Medical Virology
https://www.readbyqxmd.com/read/29446249/serological-responses-to-revaccination-against-hbv-in-hiv-positive-patients-born-in-the-era-of-nationwide-neonatal-hbv-vaccination
#6
Yi-Chia Huang, Szu-Min Hsieh, Wang-Huei Sheng, Yu-Shan Huang, Kuan-Yin Lin, Guan-Jhou Chen, Shang-Ping Yang, Wen-Chun Liu, Yi-Ching Su, Hsin-Yun Sun, Chien-Ching Hung, Shan-Chwen Chang
BACKGROUND: Serological responses to revaccination against hepatitis B virus (HBV) are unclear in HIV-positive adults who had undergone neonatal HBV vaccination and whose antibodies against HBV had waned in the era of combination antiretroviral therapy (cART). METHODS: Between 2000 and 2017, 666 HIV-positive men who have sex with men (MSM) who were born after 1986, when nationwide neonatal HBV vaccination program was implemented in Taiwan, were included for analyses...
February 15, 2018: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/29440761/intimate-partner-violence-correlates-with-a-higher-hiv-incidence-among-msm-a-12-month-prospective-cohort-study-in-shenyang-china
#7
Hong-Yi Wang, Ning Wang, Zhen-Xing Chu, Jing Zhang, Xiang Mao, Wen-Qing Geng, Yong-Jun Jiang, Hong Shang, Jun-Jie Xu
Intimate partner violence (IPV) and HIV are highly prevalent worldwide among MSM. However, the association between IPV and HIV seroconversion is virtually unknown. This 12-month prospective cohort study was conducted among MSM in Shenyang, China to explore the causality between IPV and the incidence of HIV. Adjusted Hazard Ratios (aHRs) of HIV acquisition were derived from a multivariate time-dependent Cox model and applied to calculate population attributable fractions (PAFs). Among 476 HIV-negative MSM subjects, 89(18...
February 13, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29439583/identification-of-a-novel-hiv-1-recombinant-form-b-c-in-men-who-have-sex-with-men-in-shaanxi-china
#8
Mengyan Zhang, Ruolei Xin, Wenhui Chang
Many new circulating recombinant forms (CRFs) and unique recombinant forms (URFs) of HIV-1 have been found in men who have sex with men (MSM) in recent years, in China. In this study, a unique HIV-1 recombinant genome (SN153) was characterized from an HIV-positive male infected through homosexual behavior in Shaanxi, China. The mosaic pattern had a complex intersubtype recombinant structure with six breakpoints, with three subtype C segments inserted into subtype B backbone. And three similar breakpoints with CRF07_BC were observed in the pol gene...
February 14, 2018: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/29438195/incidence-of-new-hepatitis-c-virus-infection-is-still-increasing-in-french-msm-living-with-hiv
#9
Pierre Pradat, Thomas Huleux, François Raffi, Pierre Delobel, Marc-Antoine Valantin, Isabelle Poizot-Martin, Pascal Pugliese, Jacques Reynes, David Rey, Bruno Hoen, André Cabie, Firouzé Bani-Sadr, Antoine Cheret, Claudine Duvivier, Christine Jacomet, Anne Fresard, Laurent Hustache-Mathieu, Laurent Cotte
OBJECTIVE: High hepatitis C virus (HCV) treatment uptake combined with effective direct-acting antiviral-based regimens resulted in a dramatic decline of HCV infection in French people living with HIV (PLWH). We assessed the yearly incidence of new HCV infection in PLWH enrolled in the large French Dat'AIDS cohort from 2012 to 2016 with a specific focus on MSM. METHODS: The incidence of new HCV infection was determined yearly in HCV-negative PLWH with serological follow-up during 2012-2016...
February 12, 2018: AIDS
https://www.readbyqxmd.com/read/29437984/differences-in-experiences-of-barriers-to-sti-testing-between-clients-of-the-internet-based-diagnostic-testing-service-getcheckedonline-com-and-an-sti-clinic-in-vancouver-canada
#10
Mark Gilbert, Kimberly Thomson, Travis Salway, Devon Haag, Troy Grennan, Christopher K Fairley, Chris Buchner, Mel Krajden, Perry Kendall, Jean Shoveller, Gina Ogilvie
OBJECTIVES: Internet-based STI testing programmes may overcome barriers posed by in-clinic testing, though uptake could reflect social gradients. The role these services play in comparison to clinical testing services is unknown. We compared experiences of testing barriers between STI clinic clients to clients of GetCheckedOnline.com (GCO; where clients take a printed lab form to a lab). METHODS: Our 10-month cross-sectional study was conducted after GCO was promoted to STI clinic clients and men who have sex with men (MSM)...
February 7, 2018: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/29435390/insights-in-public-health-in-what-ways-are-hawaii-s-hiv-prevention-services-engaging-gay-male-couples-and-using-technology
#11
Amber I Sophus, Loren Fujitani, Samantha Vallabhbhai, Jo Anna Antonio, Pua Lani Yang, Elyssa Elliott, Jason W Mitchell
Partner-oriented services and Health Information and Communication technology (HICT) in the forms of mHealth (eg, smartphone applications), eHealth (eg, interactive websites), telemedicine, and social media play an important and growing role in HIV prevention. Accordingly, the present study sought to describe: (1) the primary and secondary HIV prevention services available in Hawai'i, (2) the prevention services that are available for gay male couples and partners, and (3) the prevention services that use HICT...
February 2018: Hawai'i Journal of Medicine & Public Health: a Journal of Asia Pacific Medicine & Public Health
https://www.readbyqxmd.com/read/29433454/hepatitis-b-c-in-the-countries-of-the-eu-eea-a-systematic-review-of-the-prevalence-among-at-risk-groups
#12
Abby May Falla, Sanne Henrietta Ina Hofstraat, Erika Duffell, Susan Josien Maria Hahné, Lara Tavoschi, Irene Karen Veldhuijzen
BACKGROUND: In 2016, the World Health Organisation set a goal to eliminate viral hepatitis by 2030. Robust epidemiological information underpins all efforts to achieve elimination and this systematic review provides estimates of HBsAg and anti-HCV prevalence in the European Union/European Economic Area (EU/EEA) among three at-risk populations: people in prison, men who have sex with men (MSM), and people who inject drugs (PWID). METHODS: Estimates of the prevalence among the three risk groups included in our study were derived from multiple sources...
February 12, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29432470/prevalence-of-actual-uptake-and-willingness-to-use-pre-exposure-prophylaxis-to-prevent-hiv-acquisition-among-men-who-have-sex-with-men-in-hong-kong-china
#13
Zixin Wang, Joseph T F Lau, Yuan Fang, Mary Ip, Danielle L Gross
OBJECTIVES: This study was to investigate the prevalence of actual uptake of pre-exposure prophylaxis (PrEP), willingness to use daily oral PrEP under two cost scenarios, and potential issues related to PrEP use among men who have sex with men (MSM) with HIV negative/unknown sero-status in Hong Kong, China. Factors associated with the two measures of willingness were also investigated. METHODS: 403 eligible MSM completed the anonymous venue-based face-to-face interview/telephone interview...
2018: PloS One
https://www.readbyqxmd.com/read/29432057/associations-between-sociodemographic-characteristics-and-sexual-risk-behaviors-among-methamphetamine-using-men-who-have-sex-with-men
#14
Cathy J Reback, Jesse B Fletcher, Dallas Swendeman
BACKGROUND: Methamphetamine-using men who have sex with men (MSM) exhibit elevated rates of HIV and STI prevalence, indicating increased engagement in sexual risk behaviors. OBJECTIVES: This analysis elucidates associations between participant sociodemographics (i.e., age, racial/ethnic identity, sexual identity, educational attainment, and HIV status) and sexual risk behaviors, particularly substance use before/during sex, and engagement in condomless anal intercourse (CAI) with casual, anonymous, and/or exchange male partners...
February 12, 2018: Substance Use & Misuse
https://www.readbyqxmd.com/read/29431149/antiretroviral-therapy-suppresses-rectal-hiv-rna-shedding-despite-inflammation-in-msm-with-rectal-c-trachomatis-and-n-gonorrhoeae-infections-a-cross-sectional-single-center-study
#15
Julian Storim, Jens Verheyen, Eva Wolff, Jeremias Wohlschlaeger, Evelyn Heintschel von Heinegg, Dirk Schadendorf, Stefan Esser
OBJECTIVES: Rectal infections with Chlamydia trachomatis and/or Neisseria gonorrhoeae (CT/NG) are common in men who have sex with men (MSM) and are linked to HIV transmission. However, rectal CT/NG infections are often asymptomatic and it is not known how they contribute to HIV transmission. We assessed clinical and cytological signs of inflammation as well as rectal HIV-RNA in HIV-infected MSM with and without CT/NG infection. METHODS: 112 HIV-positive MSM with or without rectal symptoms and with or without antiretroviral therapy who underwent high-resolution anoscopy (HRA) at the proctological outpatient centre of the University Hospital Essen, Germany, between November 2013 and February 2014 were included in this cross-sectional study...
February 3, 2018: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/29431024/relationship-between-serostatus-disclosure-and-categories-of-hiv-transmission-risk-in-men-who-have-sex-with-men-living-with-hiv
#16
Julianne M Serovich, Sandra J Reed, Ann A O'Connell, Tanja C Laschober
In prior studies, the relationship between serostatus disclosure and reduced HIV transmission risk has been mixed. The demonstration of a clear connection may be restricted by three main methodological limitations. This study evaluates the relationship between (1) more refined measures of serostatus disclosure and (2) eight categories of HIV transmission risk (lowest to highest risk) among men who have sex with men (MSM) living with HIV, while (3) considering a number of control variables. Results demonstrate that disclosure is more likely in sexual encounters involving no intercourse or involving protected and unprotected anal intercourse with HIV-positive partners than unprotected insertive anal intercourse with HIV-negative/unknown status partners...
January 1, 2018: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/29430845/peer-counselling-versus-standard-of-care-on-reducing-high-risk-behaviours-among-newly-diagnosed-hiv-positive-men-who-have-sex-with-men-in-beijing-china-a-randomized-intervention-study
#17
Yu Liu, Sten H Vermund, Yuhua Ruan, Hongjie Liu, K Rivet Amico, Jane M Simoni, Bryan E Shepherd, Yiming Shao, Han-Zhu Qian
INTRODUCTION: Reducing high-risk behaviours (i.e. multiple partnership, condomless anal/vaginal sex, alcohol use before sex, illicit drug use) after HIV diagnosis is critical for curtailing HIV transmission. We designed an intervention to explore peer- counselling in reducing high-risk behaviours among newly diagnosed HIV-positive Chinese men who have sex with men (MSM). METHODS: We randomized 367 newly diagnosed HIV-positive men to either standard-of-care (SOC; n = 183) or peer-counselling intervention (n = 184), and followed them for 12 months (visit at 0-, 3-, 6-, 9- and 12-month)...
February 2018: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/29427917/hiv-treatment-optimism-and-crystal-methamphetamine-use-and-initiation-among-hiv-negative-men-who-have-sex-with-men-in-vancouver-canada-a-longitudinal-analysis
#18
Sean P Colyer, Nathan J Lachowsky, Zishan Cui, Julia Zhu, Heather L Armstrong, Matthew Taylor, Joshua Edward, Gbolahan Olarewaju, Robert S Hogg, Eric A Roth, David M Moore
BACKGROUND: Treatment as Prevention (TasP) leading to increased HIV treatment optimism among men who have sex with men (MSM) has been previously associated with behavioural risk compensation, though not yet via crystal methamphetamine (CM) use. Among HIV-negative MSM in a TasP environment, this study aimed to investigate the prevalence of recent CM use over time, examine the association between HIV treatment optimism and CM use and initiation, and identify correlates of recent CM use and predictors of CM initiation...
February 7, 2018: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29427231/acceptability-of-peer-delivered-hiv-testing-and-counselling-among-men-who-have-sex-with-men-msm-and-transgender-women-tw-in-myanmar
#19
Vanessa Veronese, Zaw Min Oo, Zaw Win Thein, Poe Poe Aung, Bridget L Draper, Chad Hughes, Claire Ryan, Alisa Pedrana, Mark Stoové
Men who have sex with men (MSM) and transgender women (TW) are a priority population for HIV prevention in Myanmar but report sub-optimal HIV testing frequency. Previous studies have shown that peer involvement in HIV testing can normalize stigmatized sexualities and reduce barriers to testing. We explored the acceptability of peer-delivered HIV testing among 425 undiagnosed MSM and TW in Yangon and Mandalay. An overwhelming majority of participants (86%) reported being 'comfortable/very comfortable' with peer-delivered HIV testing...
February 9, 2018: AIDS and Behavior
https://www.readbyqxmd.com/read/29427230/comparison-of-self-report-to-biomarkers-of-recent-hiv-infection-findings-from-the-start-trial
#20
Katherine E Schlusser, Shweta Sharma, Pola de la Torre, Giuseppe Tambussi, Rika Draenert, Angie N Pinto, Julia A Metcalf, Danielle German, James D Neaton, Oliver Laeyendecker
Identifying individuals with recent HIV infection is critical to research related to viral reservoirs, outbreak investigations and intervention applications. A multi-assay algorithm (MAA) for recency of infection was used in conjunction with self-reported date of infection and documented date of diagnosis to estimate the number of participants recently infected in the Strategic Timing of AntiRetroviral Treatment (START) trial. We tested samples for three groups of participants from START using a MAA: (1) 167 individuals who reported being infected ≤ 6 months before randomization; (2) 771 individuals who did not know their date of infection but were diagnosed within 6 months before randomization; and (3) as controls for the MAA, 199 individuals diagnosed with HIV ≥ 2 years before randomization...
February 9, 2018: AIDS and Behavior
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