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No abstract available 09/01/2015 01:00 AM
 

Patient-Reported Expedited Partner Therapy for Gonorrhea in the United States: Findings of the STD Surveillance Network 2010–2012

imageBackground: Expedited partner therapy (EPT) has been shown to prevent reinfection in persons with gonorrhea and to plausibly reduce incidence. The Centers for Disease Control and Prevention recommends EPT as an option for treating sex partners of heterosexual patients. Few studies that examine how the reported use of this valuable intervention differs by patient and provider characteristics and by geography across multiple jurisdictions in the United States are currently available. Methods: Case and patient interview data were obtained for a random sample of reported cases from 7 geographically disparate US jurisdictions participating in the Sexually Transmitted Disease (STD) Surveillance Network. These data were weighted to be representative of all reported gonorrhea cases in the 7 study sites. Patient receipt of EPT was estimated, and multivariate models were constructed separately to examine factors associated with receipt of EPT for heterosexuals and for men who have sex with men. Results: Overall, 5.4% of patients diagnosed and reported as having gonorrhea reported receiving EPT to treat their sex partners. Heterosexual patients were more likely to have received EPT than men who have sex with men at 6.6% and 2.6% of patients, respectively. Receipt of EPT did not vary significantly by race, Hispanic ethnicity, or age for either group, although significant variation was observed in different provider settings, with patients from family planning/reproductive health and STD clinic settings more likely to report receiving EPT. Jurisdiction variations were also observed with heterosexual patients in Washington State most likely (35.5%), and those in New York City, Connecticut, and Philadelphia least likely to report receiving EPT (<2%). Conclusions: With the exception of one jurisdiction in the STD Surveillance Network actively promoting EPT use, patient-reported receipt of the intervention remains suboptimal across the network. Additional efforts to promote EPT, especially for patients diagnosed in private provider and hospital settings, are needed to realize the full potential of this valuable gonorrhea control intervention. 09/01/2015 01:00 AM
 

Relationship of Specific Bacteria in the Cervical and Vaginal Microbiotas With Cervicitis

imageBackground: Cervicitis is an inflammatory condition of the cervix associated with upper genital tract infection and reproductive complications. Although cervicitis can be caused by several known pathogens, the etiology frequently remains obscure. Here we investigate vaginal bacteria associated with bacterial vaginosis as potential causes of cervicitis. Methods: Associations between vaginal bacteria and cervicitis were assessed in a retrospective case-control study of women attending a Seattle sexually transmitted disease clinic. Individual bacterial species were detected using 2 molecular methods: quantitative polymerase chain reaction (qPCR) and broad-range 16S rRNA gene PCR with pyrosequencing. The primary finding from this initial study was evaluated using qPCR in a second cohort of Kenyan women. Results: The presence of Mageeibacillus indolicus, formerly BVAB3, in the cervix was associated with cervicitis, whereas the presence of Lactobacillus jensenii was inversely associated. Quantities of these bacteria did not differ between cervicitis cases and controls, although in a model inclusive of presence and abundance, M. indolicus remained significantly associated with cervicitis after adjustment for other cervicitis-causing pathogens. M. indolicus was not associated with cervicitis in our study of Kenyan women, possibly due to differences in the clinical definition of cervicitis. Conclusions: Colonization of the endocervix with M. indolicus may contribute to the clinical manifestations of cervicitis, but further study is needed to determine whether this finding is repeatable and applicable to diverse groups of women. Colonization of the cervix with L. jensenii could be a marker of health, perhaps reducing inflammation or inhibiting pathogenic infection. 09/01/2015 01:00 AM
 

Trichomonas vaginalis Infection in a Tertiary Care Vaginitis Center

imageBackground: Trichomonas vaginalis infection (TVI) is one of the most common sexually transmitted diseases in the United States. We sought to determine the features of TVI in a referral-based vaginitis center, focusing on diagnosis and treatment of difficult cases. Methods: We conducted a retrospective review of all patients with TVI, based on International Classification of Diseases, Ninth Revision codes, seen at the Drexel Vaginitis Center between January 2008 and November 2013. Information collected on each subject included demographics, symptoms, examination findings, diagnostic tests, and treatment regimens. Results: Of approximately 4000 new patient visits during our study period, 80 subjects were identified with TVI. Twenty subjects presented with known TVI, with most having clinically resistant infections. Diagnosis was confirmed by saline microscopy in 45%, OSOM rapid test in 40%, and clinical history in the remaining 15%. Treatment regimens varied: 20% received single 2-g dosing of either metronidazole or tinidazole, 50% received high-dose regimens, 20% received therapy with vaginal paromomycin, and 10% underwent desensitization for nitroimidazole allergy. Sixty subjects had newly diagnosed TVI, with 35% diagnosed by saline microscopy, 41.7% by OSOM rapid test, and 23.3% by APTIMA. Treatment regimens for these subjects included single 2-g dosing in 88.3%, high-dose regimen in 8.3%, and other formulations in the remaining 3.4%. In total, 80% of our subjects returned for follow-up; all of whom were cured. Conclusions: T. vaginalis infection is a rare condition in a tertiary care vaginitis center and often requires nonstandard treatments. Among those who returned for follow-up, the cure rate was 100%. 09/01/2015 01:00 AM
 

Self-Reported Impact of Chlamydia Testing on Subsequent Behavior: Results of an Online Survey of Young Adults in England

imageBackground: The National Chlamydia Screening Programme performs 1.7 million tests annually among young adults in England. The effect of chlamydia screening on subsequent behavior is unknown. This study examined the self-reported impact of testing on young adults' subsequent health care–seeking and sexual behavior. Methods: We conducted a cross-sectional Web-based anonymous survey using an online panel to recruit 1521 young adults aged 16 to 24 years and resident in England. Survey questions were developed using the theory of planned behavior. Multivariate log-binomial regression was used to identify the variables associated with an impact on subsequent behavior after testing. Results: Most respondents reported that being tested for chlamydia had a positive effect on their subsequent sexual behavior (68.6%; 422/615) or health care–seeking behavior (80.0%; 492/615). In multivariate analysis, being female and having a high level of engagement at last test were both associated with positive impacts on sexual behavior (72.7% [adjusted prevalence ratio {aPR}, 1.19; 95% confidence interval {CI}, 1.07–1.33] and 82.7% [aPR, 1.55; 95% CI, 1.27–1.89], respectively), and health care–seeking behavior (84.4% [aPR, 1.13; 95% Cl, 1.04–1.24] and 86.3% [aPR, 1.23; 95% CI, 1.07–1.41], respectively). Among respondents with minimum level of engagement, 72.4% (76/105) reported an increase in subsequent health care–seeking behavior. Conclusions: Chlamydia testing had a positive impact on young adults' self-reported health care–seeking and sexual behavior. This suggests that chlamydia screening has a wider effect on young adults' sexual health beyond that of treatment alone. 09/01/2015 01:00 AM
 

Oncogenic Human Papillomavirus Infections in 18- to 24-Year-Old Female Online Daters

imageBackground: Although risk factors for HPV infections in young women are well defined, the risk associated with meeting male sex partners via the Internet is unclear. Methods: We analyzed cross-sectional data from 282 women aged 18 to 24 years who reported using Internet dating Web sites in the past year. Women were mailed vaginal self-sampling kits for polymerase chain reaction–based HPV genotyping (including 19 oncogenic types) and sexual behavior and health history questionnaires. Generalized linear models were used to evaluate risk factors for prevalent oncogenic HPV infections. Results: Thirty-five percent of women reported having met a male sex partner via the Internet in the past 6 months, and 42% reported a history of HPV vaccination. The prevalence of oncogenic HPV infection was 37%, and 9% of women tested positive for HPV-16 or HPV-18. Having met a male sex partner via the Internet in the past 6 months was not significantly associated with oncogenic HPV infection. In multivariate analyses, variables associated with an increased likelihood of oncogenic HPV infection included male partners in the past 6 months who were reported to have at least 1 concurrent partnership (adjusted prevalence ratio [aPR], 1.51; 95% confidence interval [CI], 1.11–2.06) and not always using condoms with male partners in the past 6 months (aPR, 1.86; 95% CI, 1.05–3.30). Self-reporting a history of receiving at least 1 dose of HPV vaccine was inversely associated with testing positive for HPV-16 or HPV-18 (aPR, 0.39; 95% CI, 0.16–0.97). Conclusions: Although measures of recent sexual behavior were associated with prevalent oncogenic HPV infection, male partners met online were not associated with an increased likelihood of infection in this cohort of young women. 09/01/2015 01:00 AM
 

Characteristics of African American Women and Their Partners With Perceived Concurrent Partnerships in 4 Rural Counties in the Southeastern US

imageBackground: To the individual with concurrent partners, it is thought that having concurrent partnerships confers no greater risk of acquiring HIV than having multiple consecutive partnerships. However, an individual whose partner has concurrent partnerships (partner's concurrency) is at increased risk for incident HIV infection. We sought to better understand relationships characterized by partner's concurrency among African American women. Methods: A total of 1013 African American women participated in a cross-sectional survey from 4 rural Southeastern counties. Results: Older age at first sex was associated with lower prevalence of partner's concurrency (prevalence ratio, 0.70; 95% confidence interval, 0.57–0.87), but the participant's age was not associated with partner's concurrency. After adjusting for covariates, ever having experienced intimate partner violence (IPV) and forced sex were most strongly associated with partner's concurrency (prevalence ratios, 1.61 [95% confidence intervals, 1.23–2.11] and 1.65 [1.20–2.26], respectively). Women in mutually monogamous partnerships were the most likely to receive economic support from their partners; women whose partners had concurrent partnerships did not report more economic benefit than did those whose partners were monogamous. Conclusions: Associations between history of IPV and forced sex with partner's concurrency suggest that women with these experiences may particularly benefit from interventions to reduce partner's concurrency in addition to support for reducing IPV and other sexual risks. To inform these interventions, further research to understand partnerships characterized by partner's concurrency is warranted. 09/01/2015 01:00 AM
 

Heterogeneity of HIV Prevalence Among the Sexual Networks of Black and White Men Who Have Sex With Men in Atlanta: Illuminating a Mechanism for Increased HIV Risk for Young Black Men Who Have Sex With Men

imageBackground: Studying the heterogeneity and correlates of HIV risk in the sexual networks of black and white men who have sex with men (MSM) may help explain racial disparities in HIV-infection. Methods: Black and white MSM were recruited as seeds using venue-based time sampling and provided data regarding their recent sex partners. We used chain referral methods to enroll seeds' recent sex partners; newly enrolled partners in turn provided data on their recent sex partners, some of whom later enrolled. Data about unenrolled recent sex partners obtained from seeds and enrolled participants were also analyzed. We estimated the prevalence of HIV in sexual networks of MSM and assessed differential patterns of network HIV risk by the race of the seed. Results: The mean network prevalence of HIV in sexual networks of black MSM (n = 117) was 36% compared with 4% in networks of white MSM (n = 78; P < 0.0001). Sexual networks of unemployed black MSM had a higher prevalence of HIV than their employed counterparts (51% vs. 29%, P = 0.007). The networks of HIV-negative black MSM seeds aged 18 to 24 years had a network prevalence of 9% compared with 2% among those aged 30 years or older. In networks originating from a black HIV-positive seed, the prevalence ranged from 63% among those aged 18 to 24 years to 80% among those 30 years or older. Conclusions: The high prevalence of HIV in the networks of HIV-negative young black MSM demonstrates a mechanism for the increased HIV incidence observed in this age group. More research is needed into how age and socioeconomic factors shape sexual networks and HIV risk. 09/01/2015 01:00 AM