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Background: In the Netherlands, no guidelines exist for routine sexually transmitted infection (STI) screening of human immunodeficiency virus (HIV)-infected men having sex with men (MSM). We assessed prevalence and factors associated with asymptomatic STI., Methods: MSM visiting HIV outpatient clinics of academic hospitals were tested for Chlamydia trachomatis (CT), Neisseria gonorrhoeae (NG), syphilis, and hepatitis B and C infection. Prevalence and risk factors were studied using logistic regression., Results: In total, 659 MSM were included between 2007 and 2008. STI were found in 16.0% of patients, mostly anal CT and syphilis. One new hepatitis B and 3 new hepatitis C infections were identified. In multivariate analyses, any STI (syphilis, CT, or NG) was associated with patient's age below 40 years (odds ratio [OR]: 2.5, 95% confidence interval [CI]: 1.3-5.0), having had sex with 2 or more sexual partners (OR 2.1, 95% CI: 1.2-3.5), the use of the same sexual toys with a sexual partner (OR 2.2, 95% CI: 1.0-4.9), and enema use before sex (OR: 2.3, 95% 1.2-4.2). Syphilis was independently associated with fisting with gloves versus no fisting (OR: 4.9, 95% CI: 1.7-13.7) and with rimming (OR: 5.0, 95% CI: 1.7-15.0). CT or NG were associated with age below 45 years (age 40-44 years: OR: 2.4, 95% CI: 1.1-5.3; age <40 years: OR: 2.4, 95% CI: 1.1-5.4), enema use before sex (OR: 2.4, 95% CI: 1.3-4.4) and drug use during sex (OR: 2.4, 95% CI: 1.4-4.0)., Conclusions: High-risk sexual behavior was very common, and 16% of HIV-infected MSM in HIV care had an asymptomatic STI, mostly anal CT and syphilis. Development of STI screening guidelines is recommended.

In this paper we present a case history of a homosexual HIV-positive male with a painless nodule on the penis. Screening for sexually transmitted diseases did not detect any infection until the node perforated spontaneously. A diagnosis of lymphogranuloma venereum was made when chlamydia trachomatis type L2 DNA was extracted from the lesion. This case illustrates that standard screening may not be sufficient for making the diagnosis of lymphogranuloma venereum.

Background: This longitudinal study was conducted to investigate whether knowledge, perceived susceptibility, and perceived severity of HIV infection and sexually transmitted diseases (STDs) are associated with the incidence of STDs and new HIV infections among men who have sex with men (MSM)., Methods: A 3-year cohort study was conducted among 190 HIV-negative MSM. Data were collected on the incidence of STDs and new HIV infections, as well as on knowledge and perceived susceptibility to and perceived severity of HIV infection and STDs. Knowledge and perceptions were assessed in self-administered questionnaires., Results: In the course of the 3-year study, six MSM (3.2%) HIV-seroconverted and 78 (41.1%) participants were diagnosed with at least one STD. MSM seemed to be better informed about HIV infection compared with STDs, and HIV infection was perceived as more severe than other STDs. In multivariable analyses, low perceived severity of HIV infection significantly (P = 0.025) predicted increased likelihood of infection with STDs or HIV, and the practice of anal intercourse was (marginally) associated with an increased risk of acquiring STDs or HIV (P = 0.052)., Conclusions: A high perceived severity of HIV infection seems to induce sexual behavior that protects against STDs and HIV infection. More research is needed to establish the specific behaviors by which perceived severity of STDs/HIV influences the incidence of STDs and HIV.

Objective: Concerns have been expressed regarding increase in risky sex because of the availability of antiretroviral treatments in Western countries., Goal: The goal of this longitudinal study was to investigate the association between highly active antiretroviral therapy (HAART)- and postexposure prophylaxis-related beliefs and the incidence of sexually transmitted diseases (STDs) and new HIV infections in men who have sex with men (MSM)., Study: Data on the incidence of STDs and new HIV infection, and the level of agreement with different HAART- and PEP-related beliefs from 151 HIV-negative MSM were compiled., Results: Of all MSM, 65.6% tested negative for any STDs and 7 men HIV seroconverted. Perceiving less HIV/AIDS threat since HAART availability and younger age were significantly associated with a higher incidence of STDs. Perceiving less need for safe sex since HAART availability was significantly associated with an increased likelihood of HIV seroconversion., Conclusions: The results support the assumption that there is an association between the incidence of STDs and a decreased perception of HIV/AIDS threat resulting from HAART availability. Less perceived need for safe sex since HAART availability was associated with HIV seroconversion.

Background: To develop strategies for prevention and early treatment of human papillomavirus (HPV) anal and penile cancer, a better understanding of related sexual behavior risk factors is needed., Goal: The goal of this study was to establish the prevalence of anal and coronal sulcus HPV in a group of men who have sex with men participating in a Dutch gay-cohort study, to identify risk factors associated with HPV infection in this group, and to investigate the presence of identical HPV types in couples with stable relationships., Study Design: A cross-sectional study of 241 HIV-negative and 17 HIV-positive men who have sex with men visiting the sexually transmitted disease clinic of the Erasmus MC for a regular and scheduled examination. Participants underwent a routine venereological examination including HIV serologic analysis, and swabs were taken from the coronal sulcus and anus for HPV DNA testing. All subjects were asked to complete a questionnaire on sexual risk behavior., Results: HPV DNA was detected at the coronal sulcus in 23.5% of the HIV-positive men and in 15.8% of the HIV-negative men (P=0.492). In anal specimens, HPV DNA was detected in 64.7% of the HIV-positive men and 32.8% of the HIV-negative men (P=0.015). High-risk HPV types (P=0.007) and 2 or more different HPV genotypes (P=0.006) were seen more often in anal specimens of HIV-positive persons than in specimens of HIV-negative persons. A factor possibly associated with the presence of anal HPV infection was a concomitant anal infection with Chlamydia trachomatis, gonococci, or herpes simplex virus (P=0.059). In only 16.7% of HPV-positive steady couples, both companions showed the presence of one or more identical HPV genotypes., Conclusion: In this study, anal HPV DNA was detected more often than HPV DNA at the coronal sulcus. HIV positivity was associated with a higher prevalence of high-risk, but not with low-risk HPV types, at the anus. No association was found between HIV positivity and presence of high-risk HPV at the coronal sulcus. No sexual behavioral determinants for the presence of HPV could be identified. Concomitant anal infection with C trachomatis, gonococci, or herpes simplex virus may be associated with HPV infection. In the majority of steady couples, partners were infected with different HPV types.

Background: In the Netherlands 73% of cases of neonatal herpes are caused by herpes simplex virus type 1 (HSV-1), whereas in the United States a majority are caused by HSV type 2 (HSV-2). GOAL To understand this difference we undertook a seroepidemiological study on the prevalence of HSV-1 and HSV-2 among pregnant women., Study Design: Type-specific antibodies to HSV-1 and HSV-2 were detected by enzyme-linked immunosorbent assay (ELISA) in serum samples from 1,507 pregnant women in Amsterdam, Rotterdam, and Nijmegen., Results: The prevalence of HSV-1 was 61% in Nijmegen, 73% in Amsterdam, and 75% in Rotterdam. The prevalence of HSV-2 was 11% in Nijmegen, 35% in Amsterdam, and 27% in Rotterdam., Conclusion: The seroprevalence of HSV-1 and HSV-2 antibodies among pregnant women in the Netherlands shows significant geographical differences, which were attributed to ethnical variation. However, the epidemiologic differences did not correlate with the incidence of neonatal herpes in the Netherlands.

Objectives: To identify determinants for plasmid-mediated resistance to penicillin (penicillinase-producing Neisseria gonorrhoeae [PPNG]) and tetracycline (tetracycline-resistant N. gonorrhoeae [TRNG]) among gonococci, to determine the distribution of bacterial characteristics, and to correlate these with antibiograms and patient characteristics., Study Design: Gonococcal isolates from 131 patients attending a sexually transmitted diseases clinic in The Netherlands in 1994 were auxotyped and serotyped and antimicrobial susceptibility was tested. Information on patient characteristics was collected at the initial visit., Results: The most prevalent serotype, IB-1 (26%), proved to be related to sexual contact with casual partners, especially commercial sex partners. In addition, IB-1 strains were associated with PPNG and displayed higher minimum inhibitory concentrations (MICs) for ceftriaxone, cefuroxime, and ciprofloxacin. Homosexual men were more often infected with nonrequiring, IB-2, and IB-6 strains than heterosexuals. These strains were very sensitive to ceftriaxone and ciprofloxacin. Overall, one strain showed decreased susceptibility to ciprofloxacin (MIC 0.5 microgram/ml), but no resistance to ceftriaxone, ciprofloxacin, or cefuroxime was observed. However, 31% of the isolates were TRNG, PPNG, or both. Determinants for these resistant strains among men were the use of antibiotics (odds ratio [OR] = 4.8, 90% confidence interval [CI] 1.3-19.1), Surinam or Morrocan origin (OR = 3.3, 90% CI 1.3-8.4), and homosexual contacts (OR = 0.1, 90% CI 0.03-0.4)., Conclusions: Different types, with variable susceptibility, were associated with homosexual and commercial sexual behavior. PPNG and TRNG were more commonly isolated from antibiotic users, heterosexual individuals, and ethnic minorities. Continuous surveillance of susceptibility is needed to follow the spread of PPNG and TRNG and to detect resistance to the currently recommended agents in a timely fashion.