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Men who have sex with men

Chia-Wen Li, Chia-Jui Yang, Hsin-Yun Sun, Mao-Song Tsai, Shih-Ping Lin, Te-Yu Lin, Chien-Yu Cheng, Yi-Chien Lee, Yu-Shan Huang, Chun-Eng Liu, Yuan-Ti Lee, Hung-Jen Tang, Ning-Chi Wang, Shu-Hsing Cheng, Wen-Chien Ko, Chien-Ching Hung
OBJECTIVE: The study aimed to describe the evolution of the seroprevalence of hepatitis C virus (HCV) among human immunodeficiency virus (HIV)-positive patients included in two cohorts in Taiwan. METHODS: We retrospectively collected the information on demographic and clinical characteristics of 4,025 and 3,856 HIV-positive Taiwanese, who were aged 18 years or older at designated hospitals around Taiwan in 2004-2007, when an outbreak of HIV infection was occurring, and 2012-2016, when the outbreak was controlled with the implementation of harm reduction program, respectively...
2018: PloS One
Maartje Dijkstra, Rik H W Van Lunsen, Katherine W Kooij, Udi Davidovich, Rosan A Van Zoest, Ferdinand W M N Wit, Maria Prins, Peter Reiss, Maarten F Schim Van Der Loeff
INTRODUCTION: HIV-1-infected men who have sex with men (MSM) more often experience sexual dysfunctions than the general population. We assessed associations between HIV-1 status and decreased sexual functioning among MSM. METHODS: We used cross-sectional data from 399 HIV-1-infected MSM mostly on combination antiretroviral therapy (cART) and 366 HIV-1-uninfected MSM aged ≥45 years participating in the AGEhIV Cohort Study. The study questionnaire included questions on erectile function, sexual satisfaction, and sexual desire...
March 15, 2018: AIDS
Elena García-Payá, Marta Fernández, Sergio Padilla, José A García, Catalina Robledano, Victoria Ortiz DE LA Tabla, Félix Gutiérrez, Mar Masiá
OBJECTIVE: The protective effect of ART has not yet been definitively established in men who have sex with men (MSM). We aimed to characterize the factors associated with persistent HIV-1 RNA rectal shedding. METHODS: Prospective study including virologically-suppressed MSM from an HIV cohort. High-resolution anoscopy (HRA) was performed for screening of anal dysplasia, and rectal sampling for HIV-1 RNA quantification and sexually-transmitted infections (STIs) investigation through multiplex PCR...
March 15, 2018: AIDS
Rômulo Araújo Fernandes, Raphael Mendes Ritti-Dias, P Babu Balagopal, Raquel D O Conceição, Raul D Santos, Gabriel Grizzo Cucato, Márcio Sommer Bittencourt
BACKGROUND AND AIMS: Structured regular exercise programs decrease high-sensitivity C-reactive protein (hsCRP), a marker of low-grade inflammation in adults. Longitudinal effects of self-initiated physical activity levels (PAL) on hsCRP are less clear. This study evaluated the association of longitudinal changes in hsCRP in relation to modifications in PAL, over time, in a large sample of adults. METHODS: Participants included 5030 adults, 4045 (80%) males, undergoing routine health screening examinations...
February 8, 2018: Atherosclerosis
Mathieu Goyette, Jorge Flores-Aranda, Karine Bertrand, Frédérick Pronovost, Valérie Aubut, Roberto Ortiz, Marianne Saint-Jacques
Background: Men who have sex with men (MSM) have distinctive substance use (SU), which is more often linked to a sexual context than it is for their heterosexual peers. Screening of MSM's SU, its sexual contexts and the associated risks, is of clinical and public health concern. This paper aims to describe the preliminary development of a screening tool for health-risk sexual behaviours related to SU and to make recommendations for its potential use. Methods: Community-based participatory research and transdisciplinary approaches guided the development process...
March 16, 2018: Sexual Health
Wendy Si Hassen, Katia Castetbon, Sandrine Péneau, Christine Tichit, Anouar Nechba, Aurélie Lampuré, France Bellisle, Serge Hercberg, Caroline Méjean
BACKGROUND: Few studies have specifically focused on demographic and socio-economic characteristics associated with snacking in adults, whereas their identification could be useful for defining effective public health measures. The aim of our study was to assess the associations of these factors with daily snacking behavior and its dietary quality. METHODS: This cross-sectional study included 84,692 women and 23,491 men from the NutriNet-Santé cohort study. Occurrence of snacking, energy intake from snacks, snack nutrient, and energy densities were assessed using 24-h dietary records of weekdays at baseline...
March 15, 2018: International Journal of Behavioral Nutrition and Physical Activity
Hyun Ha Chang, Shin Woo Kim, Hyejin Jung, Sang Ah Lee, Han Ki Park, Sujeong Kim, Jong Myung Lee, Jun Yong Choi
BACKGROUND: We aimed to investigate the awareness of human immunodeficiency virus (HIV) infection among high-risk individuals, including men who have sex with men (MSM) and medical personnel (MP) in Korea through a cross-sectional survey, identify possible obstacles hindering their access to pre-exposure prophylaxis (PrEP). METHODS: In 2016, the first questionnaire survey was sent to randomly selected MSM and MP. To compare the changes in attitudes and knowledge of MSM, a second questionnaire survey was conducted in August 2017...
March 19, 2018: Journal of Korean Medical Science
Carlos Fritzsche, M Loebermann, E C Reisinger
BACKGROUND: Vaccination against hepatitis A virus infection is recommended for men who have sex with men and other risk groups. The protection offered by the combined hepatitis A and B vaccine is comparable to that offered by the monovalent hepatitis A vaccine. CASE: A 38-year-old HIV-positive patient presented with right upper abdominal pain, fever and jaundice. Serological work-up and detection of hepatitis A RNA in stool sample revealed an acute hepatitis A infection despite a previous complete vaccination with the combined hepatitis A and B vaccine...
March 14, 2018: Infection
Nina T Harawa, Heather Guentzel-Frank, William Jason McCuller, John K Williams, Gregorio Millet, Lisa Belcher, Heather A Joseph, Ricky N Bluthenthal
We conducted a randomized controlled trial of a six-session behavioral intervention designed to reduce frequency of condomless sex and numbers of sex partners among recently incarcerated, bisexual Black men. One hundred participants were assigned to the small-group intervention, Men in Life Environments (MILE), and 112 were assigned to the control condition. Among those assigned to MILE, 69% attended at least one session, 88% of whom attended all sessions. At 3-months' follow-up, large reductions in risk behaviors were reported by both groups...
March 14, 2018: Journal of Urban Health: Bulletin of the New York Academy of Medicine
Derek T Dangerfield, Nina T Harawa, Laramie R Smith, William L Jeffries, Lourdes Baezconde-Garbanati, Ricky Bluthenthal
Black men who have sex with men and women (BMSMW) are at high risk for HIV and other sexually transmitted infections (STIs). Despite knowing that HIV/STI risk varies by sexual positioning practices, limited data have characterized the risk profiles of BSMW. This study utilized latent class analysis (LCA) to explore BMSMW's sexual risk profiles regarding condomless sexual positioning practices. Participants were BMSMW in intervention studies in Los Angeles, Chicago, and Philadelphia. LCA was used to characterize their sexual risk profiles...
March 14, 2018: Archives of Sexual Behavior
Michael A Irvine, Bernhard P Konrad, Warren Michelow, Robert Balshaw, Mark Gilbert, Daniel Coombs
Increasing HIV testing rates among high-risk groups should lead to increased numbers of cases being detected. Coupled with effective treatment and behavioural change among individuals with detected infection, increased testing should also reduce onward incidence of HIV in the population. However, it can be difficult to predict the strengths of these effects and thus the overall impact of testing. We construct a mathematical model of an ongoing HIV epidemic in a population of gay, bisexual and other men who have sex with men...
March 2018: Journal of the Royal Society, Interface
Tomohiro Morita, Shuhei Nomura, Tomoyuki Furutani, Claire Leppold, Masaharu Tsubokura, Akihiko Ozaki, Sae Ochi, Masahiro Kami, Shigeaki Kato, Tomoyoshi Oikawa
INTRODUCTION: Demographic changes as a result of evacuation in the acute phase of the 2011 Fukushima nuclear disaster are not well evaluated. We estimated post-disaster demographic transitions in Minamisoma City-located 14-38 km north of the nuclear plant-in the first month of the disaster; and identified demographic factors associated with the population remaining in the affected areas. MATERIALS AND METHODS: We extracted data from the evacuation behavior survey administered to participants in the city between July 11, 2011 and April 30, 2013...
2018: PloS One
Julie Franks, Sharon B Mannheimer, Yael Hirsch-Moverman, Eleanor Hayes-Larson, Paul W Colson, Hugo Ortega, Wafaa M El-Sadr
INTRODUCTION: Black men who have sex with men and transgender women are at high risk for HIV infection, but are more likely to be unaware of their infection or not in care for diagnosed HIV compared to other races. Respondent driven sampling has been advanced as a method to reach stigmatized and hidden populations for HIV testing. We compared strategies to recruit black, substance-using men who have sex with men and transgender women to identify newly diagnosed HIV infection, or those previously diagnosed but not in care...
March 2018: Journal of the International AIDS Society
Lindsay E Young, Kayo Fujimoto, John A Schneider
Online social networking sites (SNS)-the Internet-based platforms that enable connection and communication between users-are increasingly salient social environments for young adults and, consequently, offer tremendous opportunity for HIV behavioral research and intervention among vulnerable populations like young men who have sex with men (YMSM). Drawing from a cohort of 525 young Black MSM (YBMSM) living in Chicago, IL, USA April 2014-May 2015, we conducted social network analysis, estimating an exponential random graph model (ERGM) to model YBMSM's group affiliations on Facebook in relation to their sex behaviors and HIV prevention traits...
March 13, 2018: AIDS and Behavior
Liselotte Hansen, Thøger Persson Krogh, Torkell Ellingsen, Lars Bolvig, Ulrich Fredberg
Background: Plantar fasciitis (PF) affects 7% to 10% of the population. The long-term prognosis is unknown. Purpose: Our study had 4 aims: (1) to assess the long-term prognosis of PF, (2) to evaluate whether baseline characteristics (sex, body mass index, age, smoking status, physical work, exercise-induced symptoms, bilateral heel pain, fascia thickness, and presence of a heel spur) could predict long-term outcomes, (3) to assess the long-term ultrasound (US) development in the fascia, and (4) to assess whether US-guided corticosteroid injections induce atrophy of the heel fat pad...
March 2018: Orthopaedic Journal of Sports Medicine
Hao-Hsin Wu, Yi-Ting Shen, Chien-Shun Chiou, Chi-Tai Fang, Yi-Chun Lo
OBJECTIVES: Outbreaks of shigellosis among men who have sex with men (MSM) have been reported since the late 1990s. HIV infection is an important risk factor. Since 2014, the global shigellosis epidemic has intensified. Whether chemsex (the use of crystal methamphetamine, γ-hydroxybutyrate or mephedrone to enhance sex) is a new risk factor has not been previously examined. METHODS: We conducted a population-based, case-control study in Taiwan. Acute shigellosis cases diagnosed during the 2015 outbreak among MSM living with HIV were compared with those without shigellosis...
March 13, 2018: Sexually Transmitted Infections
Raynell Lang, Ron Read, Hartmut B Krentz, Soheil Ramazani, Mingkai Peng, Jennifer Gratrix, M John Gill
BACKGROUND: Syphilis is a global health concern disproportionately affecting HIV-infected populations. In Alberta, Canada, the incidence of syphilis in the general population has recently doubled with 25% of these infections occurring in HIV-infected patients. The Southern Alberta HIV Clinic (SAC) and Calgary STI Program (CSTI) analyzed the epidemiologic characteristics of incident syphilis infections in our well-defined, HIV-infected population over 11 years. METHODS: Since 2006, as routine practice of both the Southern Alberta Clinic (SAC) and Calgary STI Programs (CSTI), syphilis screening has accompanied HIV viral load measures every four months...
March 13, 2018: BMC Infectious Diseases
Richard A Crosby, Leandro Mena, Rachel Vickers Smith
The aim of this study is to determine, among young Black men who have sex with men (YBMSM), the 12-month efficacy of a single-session, clinic-based intervention promoting condom use to enhance sexual pleasure (purpose 1) and the use of condoms from the start-to-finish of anal sex (purpose 2). A pre-test, post-test randomized controlled trial was conducted, using a 12-month period of follow-up observation, in STI clinics. Data from 394 YBMSM completing baseline and 12-month follow-up assessments were analyzed...
March 9, 2018: Health Education Research
Kiffer G Card, Nathan J Lachowsky, Heather L Armstrong, Zishan Cui, Lu Wang, Paul Sereda, Jody Jollimore, Thomas L Patterson, Trevor Corneil, Robert S Hogg, Eric A Roth, David M Moore
INTRODUCTION: Among gay, bisexual, and other men who have sex with men (GBM), collinearity between polysubstance use and mental health concerns has obscured their combined effects on HIV risk with multivariable results often highlighting only one or the other. METHODS: We used mediation and moderation analyses to examine the effects of polysubstance use and depressive symptoms on high-risk sex (i.e., condomless anal sex with serodiscordant/unknown status partner) in a sample of sexually-active GBM, aged ≥16 years, recruited in Metro Vancouver using respondent driven sampling...
March 6, 2018: Addictive Behaviors
Andrew J Kossow, Tyler G DeChiara, Steve M Neahous, William P Ebben
Plyometric exercises are frequently performed as part of a strength and conditioning program. Most studies assessed the kinetics of plyometric exercises primarily performed in the vertical plane. The purpose of this study was to evaluate the multi-planar kinetic characteristics of a variety of plyometric exercises, which have a significant horizontal component. This study also sought to assess sex differences in the intensity progression of these exercises. Ten men and ten women served as subjects. The subjects performed a variety of plyometric exercises including the double leg hop, standing long jump, single leg standing long jump, bounding, skipping, power skipping, cone hops, and 45...
March 12, 2018: Journal of Strength and Conditioning Research
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