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https://www.readbyqxmd.com/read/28350843/high-hiv-prevalence-and-incidence-among-women-in-southern-mozambique-evidence-from-the-mdp-microbicide-feasibility-study
#1
Sibone Mocumbi, Mitzy Gafos, Khatia Munguambe, Ruth Goodall, Sheena McCormack
BACKGROUND: The study aimed to assess the feasibility of conducting large scale HIV prevention clinical trials in Mozambique by measuring HIV prevalence and incidence among women of reproductive age. This paper describes the baseline socio-demographic characteristics of the Mozambique Microbicides Development Programme (MDP) feasibility cohort, baseline prevalence of HIV and other STIs, and HIV incidence. METHODS: The Mozambique MDP feasibility study was conducted from September 2007 to August 2009 in urban Mavalane and rural Manhiça, in Southern Mozambique...
2017: PloS One
https://www.readbyqxmd.com/read/28345188/treatment-of-gonorrhoea-in-auckland-new-zealand-marked-variation-in-prescriber-adherence-to-treatment-guidelines
#2
Rose Forster, Ms Diana Ng, Arlo Upton, Rick Franklin, Mark Thomas
BACKGROUND: The relentless emergence and spread of strains of Neisseria gonorrhoeae that are resistant to many antimicrobial agents has led to frequent changes in treatment guidelines, with a consequent risk that prescribers may not be aware of current guidelines. METHODS: We audited the treatment given to adult patients with laboratory proven gonorrhoea in Auckland, New Zealand, during the first six months of 2015. RESULTS: Treatment compliant with the current New Zealand Sexual Health Society (NZSHS) guidelines was administered in only 65% (458/706) episodes overall...
March 27, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28340291/-head-to-head-prenyl-synthases-in-some-pathogenic-bacteria
#3
Christopher J Schwalen, Xinxin Feng, Weidong Liu, Bing O-Dowd, Tzu-Ping Ko, Christopher J Shin, Rey-Ting Guo, Douglas A Mitchell, Eric Oldfield
Many organisms contain "head-to-head" isoprenoid synthases and here, we investigate three types of such enzymes from the pathogens Neisseria meningitidis, N. gonorrhoeae, and Enterococcus hirae. The E. hirae enzyme was found to produce dehydrosqualene and we solved an inhibitor-bound structure which revealed a fold similar to that of CrtM from Staphylococcus aureus. In contrast, the homologous proteins from Neisseria spp. carried out only the "first half" reaction, yielding presqualene diphosphate (PSPP). Based on product analyses, bioinformatics, and mutagenesis we conclude that the Neisseria proteins are HpnDs (PSPP synthases)...
March 24, 2017: Chembiochem: a European Journal of Chemical Biology
https://www.readbyqxmd.com/read/28333355/wgs-to-predict-antibiotic-mics-for-neisseria-gonorrhoeae
#4
David W Eyre, Dilrini De Silva, Kevin Cole, Joanna Peters, Michelle J Cole, Yonatan H Grad, Walter Demczuk, Irene Martin, Michael R Mulvey, Derrick W Crook, A Sarah Walker, Tim E A Peto, John Paul
Background: Tracking the spread of antimicrobial-resistant Neisseria gonorrhoeae is a major priority for national surveillance programmes. Objectives: We investigate whether WGS and simultaneous analysis of multiple resistance determinants can be used to predict antimicrobial susceptibilities to the level of MICs in N. gonorrhoeae. Methods: WGS was used to identify previously reported potential resistance determinants in 681 N. gonorrhoeae isolates, from England, the USA and Canada, with phenotypes for cefixime, penicillin, azithromycin, ciprofloxacin and tetracycline determined as part of national surveillance programmes...
March 10, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28329470/cutaneous-manifestations-of-disseminated-gonococcemia
#5
Surget V Beatrous, Stratton B Grisoli, Ryan R Riahi, Ryan J Matherne, Ryan J Matherne
BACKGROUND: Sexually transmitted infections, includingurogenital gonorrheal infection, are a growing healthconcern in the United States. Nearly 50% of cervicalinfections are asymptomatic. If left undiagnosedand untreated, there is a risk of disseminatedinfection. PURPOSE: To describe an 18-year-old womanpresenting with disseminated gonococcal infectionconfirmed by blood cultures, skin biopsy, and urinegonococcal probe. We also describe the presentation,diagnosis, and treatment of disseminated gonococcalinfection, including discussion of the variousmorphologies of cutaneous lesions that have beenreported in the literature...
January 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329383/sulfadoxine-pyrimethamine-exhibits-dose-response-protection-against-adverse-birth-outcomes-related-to-sexually-transmitted-and-reproductive-tract-infections
#6
R Matthew Chico, Enesia Banda Chaponda, Cono Ariti, Daniel Chandramohan
Background.: We conducted a prospective cohort study in Zambia among pregnant women who received intermittent preventive treatment using sulfadoxine-pyrimethamine (IPTp-SP). Methods.: We calculated the odds ratios (ORs) of adverse birth outcomes by IPTp-SP exposure, 0-1 dose (n = 126) vs ≥2 doses (n = 590) and 2 doses (n = 310) vs ≥3 doses (n = 280) in 7 categories of malaria infection and sexually transmitted and reproductive tract infections (STIs/RTIs). Results...
March 2, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28325771/estimating-prevalence-trends-in-adult-gonorrhoea-and-syphilis-in-low-and-middle-income-countries-with-the-spectrum-sti-model-results-for-zimbabwe-and-morocco-from-1995-to-2016
#7
Eline L Korenromp, Guy Mahiané, Jane Rowley, Nico Nagelkerke, Laith Abu-Raddad, Francis Ndowa, Amina El-Kettani, Houssine El-Rhilani, Philippe Mayaud, R Matthew Chico, Carel Pretorius, Kendall Hecht, Teodora Wi
OBJECTIVE: To develop a tool for estimating national trends in adult prevalence of sexually transmitted infections by low- and middle-income countries, using standardised, routinely collected programme indicator data. METHODS: The Spectrum-STI model fits time trends in the prevalence of active syphilis through logistic regression on prevalence data from antenatal clinic-based surveys, routine antenatal screening and general population surveys where available, weighting data by their national coverage and representativeness...
March 21, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/28303829/mutation-pattern-in-the-genome-of-neisseria-gonorrhoeae-and-its-association-with-multidrug-resistant-isolates-from-delhi-india
#8
Divya Sachdev, Indu Kumari, Manju Bala, Vineet Kumar, Daman Saluja
Mutations in PenA, PorB, MtrE and MtrR genes responsible for antimicrobial resistance were checked in 27 drug-resistant clinical isolates of Neisseria gonorrhoeae (NG). Phenotype PIB (88.88%) and mutation at G120 and A121 positions of porB were recurrent. N122K, a novel mutation, was observed in PorB in three resistant isolates. Substitution H105Y in MtrR was widespread (37% of clinical isolates). The presence of a novel mutation (L33V), along with G45D mutation in MtrR, was associated with less-resistant isolates, in contrast to isolates with G45D mutation alone...
January 2017: Indian Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28302376/emerging-trends-in-antibiotic-resistance-implications-for-emergency-medicine
#9
Ali Pourmand, Maryann Mazer-Amirshahi, Gregory Jasani, Larissa May
BACKGROUND: Many bacteria are demonstrating increasing levels of resistance to commonly used antibiotics. While this has implications for the healthcare system as a whole, many patients infected with these resistant organisms will initially present to the emergency department (ED). The purpose of this review is to provide a summary of current trends in infections caused by the most clinically relevant resistant organisms encountered in emergency medicine. METHODS: Bacteria were selected based on the Centers for Disease Control and Prevention's National Action Plan for Combating Antibiotic Resistant Bacteria, and PubMed database...
March 7, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28301989/routine-testing-of-mycoplasma-genitalium-and-trichomonas-vaginalis
#10
Marieke L M Jenniskens, Jan H W Veerbeek, Koen L Deurloo, Erik J van Hannen, Steven F T Thijsen
BACKGROUND: Mycoplasma genitalium (MG) and Trichomonas vaginalis (TV) are common sexual transmitted infections (STI). However, most STI screening programmes do not include routinely detection of these pathogens. Consequently, epidemiological data about MG and TV in the general population is lacking. The current study aims to give insight into the prevalence of both infections, thereby guiding decisions whether testing for these pathogens should be included routinely. METHODS: Between February 2013 and August 2015, all samples sent to the laboratory of Diakonessenhuis Utrecht for STI testing (i...
June 2017: Infectious Diseases
https://www.readbyqxmd.com/read/28290950/survey-of-sexually-transmitted-disease-laboratory-methods-in-u-s-army-laboratories-2012
#11
Nicole K Leamer, Nikki N Jordan, Laura A Pacha, Nabil H Latif, Eric C Garges, Joel C Gaydos
INTRODUCTION: Sexually transmitted diseases (STD) affect primarily young people (17-24 years). The U.S. Military, with many young people, strives to maintain effective STD treatment and prevention programs using current methods. Laboratory testing technology and capacity are important for appropriate clinical management and to provide data to direct prevention programs. STD laboratory capabilities are assessed in civilian and military laboratories using surveys. An Army laboratory survey was conducted in 2007...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28282646/point-of-care-sexually-transmitted-infection-diagnostics-proceedings-of-the-star-sexually-transmitted-infection-clinical-trial-group-programmatic-meeting
#12
Anthony D Cristillo, Claire C Bristow, Rosanna Peeling, Barbara Van Der Pol, Sasha Herbst de Cortina, Ivan K Dimov, Nitika Pant Pai, Dong Jin Shin, Ricky Y T Chiu, Catherine Klapperich, Purnima Madhivanan, Sheldon R Morris, Jeffrey D Klausner
The goal of the point-of-care (POC) sexually transmitted infection (STI) Diagnostics meeting was to review the state-of-the-art research and develop recommendations for the use of POC STI diagnostics. Experts from academia, government, nonprofit, and industry discussed POC diagnostics for STIs such as Chlamydia trachomatis, human papillomavirus, Neisseria gonorrhoeae, Trichomonas vaginalis, and Treponema pallidum. Key objectives included a review of current and emerging technologies, clinical and public health benefits, POC STI diagnostics in developing countries, regulatory considerations, and future areas of development...
April 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28282645/haemophilus-influenzae-isolated-from-men-with-acute-urethritis-its-pathogenic-roles-responses-to-antimicrobial-chemotherapies-and-antimicrobial-susceptibilities
#13
Shin Ito, Kyoko Hatazaki, Ken Shimuta, Hiromi Kondo, Kosuke Mizutani, Mitsuru Yasuda, Keita Nakane, Tomohiro Tsuchiya, Shigeaki Yokoi, Masahiro Nakano, Makoto Ohinishi, Takashi Deguchi
BACKGROUND: There have been few comprehensive studies on Haemophilus influenza-positive urethritis. METHODS: In this retrospective study, we enrolled 68 men with H. influenzae-positive urethritis, including coinfections with Neisseria gonorrhoeae, Chlamydia trachomatis, and/or genital mycoplasmas: 2, 3, 20, and 43 treated with ceftriaxone, levofloxacin, sitafloxacin, and extended-release azithromycin (azithromycin-SR), respectively. We assessed microbiological outcomes in 54 men and clinical outcomes in 46 with H...
April 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28282644/antimicrobial-susceptibility-evaluation-and-multiple-locus-variable-number-tandem-repeat-analysis-of-neisseria-gonorrhoeae-isolates-in-china-in-2012
#14
Rui-Xing Yu, Yueping Yin, Xiu-Qin Dai, Shao-Chun Chen, Yan Han, Bing-Jie Zheng, Guo-Yi Zhang, Xiang-Sheng Chen
OBJECTIVE: This study aimed to gain information on the antimicrobial susceptibility and molecular epidemiological typing of Neisseria gonorrhoeae (NG) isolates in China in 2012. METHODS: A total of 244 NG isolates were consecutively recovered from patients with uncomplicated gonorrhea attending sexually transmitted disease clinics in 3 Chinese cities-Guangzhou, Nanjing, and Tianjin-in 2012. Neisseria gonorrhoeae susceptibilities to penicillin and tetracycline were examined by detecting penicillinase-producing NG (PPNG) and high-level tetracycline-resistant NG, and NG susceptibilities to ciprofloxacin, spectinomycin, ceftriaxone, and cefixime were determined using an agar dilution method...
April 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28282365/antimicrobial-resistance-surveillance-for-neisseria-gonorrhoeae-what-do-we-really-need-to-know-to-guide-public-health-interventions
#15
David A Lewis
No abstract text is available yet for this article.
April 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28272393/experimental-vaccine-induces-th1-driven-immune-responses-and-resistance-to-neisseria-gonorrhoeae-infection-in-a-murine-model
#16
Y Liu, L A Hammer, W Liu, M M Hobbs, R A Zielke, A E Sikora, A E Jerse, N K Egilmez, M W Russell
Female mice were immunized intravaginally with gonococcal outer membrane vesicles (OMVs) plus microencapsulated interleukin-12 (IL-12), and challenged using an established model of genital infection with Neisseria gonorrhoeae. Whereas sham-immunized and control animals cleared the infection in 10-13 days, those immunized with OMV plus IL-12 cleared infection with homologous gonococcal strains in 6-9 days. Significant protection was also seen after challenge with antigenically distinct strains of N. gonorrhoeae, and protective anamnestic immunity persisted for at least 6 months after immunization...
March 8, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28270536/relationships-between-neighbourhood-characteristics-and-current-sti-status-among-hiv-infected-and-hiv-uninfected-women-living-in-the-southern-usa-a-cross-sectional-multilevel-analysis
#17
Danielle F Haley, Michael R Kramer, Adaora A Adimora, Regine Haardörfer, Gina M Wingood, Christina Ludema, Anna Rubtsova, DeMarc A Hickson, Zev Ross, Elizabeth Golub, Hector Bolivar, Hannah Lf Cooper
OBJECTIVES: Neighbourhood characteristics (eg, high poverty rates) are associated with STIs among HIV-uninfected women in the USA. However, no multilevel analyses investigating the associations between neighbourhood exposures and STIs have explored these relationships among women living with HIV infection. The objectives of this study were to: (1) examine relationships between neighbourhood characteristics and current STI status and (2) investigate whether the magnitudes and directions of these relationships varied by HIV status in a predominantly HIV-infected cohort of women living in the Southern USA...
March 7, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/28260146/simultaneous-detection-and-identification-of-sti-pathogens-by-multiplex-real-time-pcr-in-genital-tract-specimens-in-a-selected-area-of-apulia-a-region-of-southern-italy
#18
Raffaele Del Prete, Luigi Ronga, Mirella Lestingi, Grazia Addati, Umberto Filippo Angelotti, Domenico Di Carlo, Giuseppe Miragliotta
PURPOSE: Genital tract infections are globally a major cause of morbidity in sexually active individuals. The aim of this study was to investigate the prevalence and associations of co-infections of Chlamydia trachomatis, Neisseria gonorrhoeae, Trichomonas vaginalis, Mycoplasma hominis (MH), Mycoplasma genitalium, Ureaplasma urealyticum (UU) and Ureaplasma parvum (UP) in specimens collected from female (SF) and male (SM) patients. METHODS: 1575 samples from 1575 individuals from the geographical area around Bari, Apulia region in Southern Italy, were collected and analyzed by a multiplex Real-Time PCR (mRT-PCR) (Anyplex(TM) II STI-7, Seegene, Inc...
March 4, 2017: Infection
https://www.readbyqxmd.com/read/28257898/asymptomatic-and-symptomatic-urethral-gonorrhoea-in-men-who-have-sex-with-men-attending-a-sexual-health-service
#19
J J Ong, K Fethers, B P Howden, C K Fairley, E P F Chow, D A Williamson, I Petalotis, E Aung, K Kanhutu, V De Petra, M Y Chen
OBJECTIVES: Currently, guidelines regarding whether men who have sex with men (MSM) without symptoms of urethritis should be screened for urethral gonorrhoea differ between countries. We examined the rate of asymptomatic urethral gonorrhoea in MSM using sensitive nucleic acid amplification testing. METHODS: This study was conducted on consecutive MSM attending the Melbourne Sexual Health Centre between July 2015 and May 2016 for STI screening. Gonorrhoea testing with the Aptima Combo 2 (AC2) assay was performed on all urine specimens obtained from MSM, whether symptoms of urethritis were present or not...
February 28, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28253939/estimating-gonorrhoea-prevalence-in-young-heterosexual-men-and-women-attending-community-based-sexual-health-services-to-inform-decisions-on-gonorrhoea-testing
#20
K Town, M Furegato, N Field, G Hughes
In England, dual tests detecting chlamydia and gonorrhoea are used in specialist and community-based sexual health services (SHSs). Test performance is poor when prevalence is low, therefore UK national guidelines recommend against opportunistic gonorrhoea screening unless there is a clear local public health need. While surveillance data on gonorrhoea prevalence is comprehensive in specialist SHSs, it is sparse in community SHSs. We aimed to estimate gonorrhoea prevalence in heterosexual men and women aged 15-24 attending community SHSs to inform testing care pathways...
March 3, 2017: Epidemiology and Infection
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