Κυριακή 15 Σεπτεμβρίου 2019

Enhancing the Control of Syphilis Among Men Who Have Sex With Men by Focusing on Acute Infectious Primary Syphilis and Core Transmission Groups
imageThe syphilis epidemic among men who have sex with men (MSM) has been increasing steadily. Many syphilis control programs focus on assuring treatment of all persons diagnosed with early syphilis without prioritizing acute primary syphilis or specific subgroups. Acute primary syphilis is highly infectious and contributes to a high proportion of new cases. Surveillance data show that among MSM with incident syphilis (primary or secondary) only about 35% are identified in the primary stage, indicating that most primary cases are missed and untreated. Patients with primary syphilis and large numbers of sex partners may play a major role in maintaining syphilis transmission. Considering those issues, sexually transmitted disease (STD) programs should consider increasing their focus on primary syphilis by assigning primary cases the highest priority, expanding client and clinician health education, and increasing the detection of primary syphilis through increased serologic screening frequency among high-risk MSM. Furthermore, syphilis control programs should implement steps to identify asymptomatic high-probable occult primary cases based on low titer (≤1:8) and recent seroconversion. Finally, to address core transmission groups, programs should implement periodic risk assessment to identify persons with a high number of sex partners and offer these individuals risk-reduction counseling, case management, and selective syphilis preexposure or postexposure doxycycline chemoprophylaxis. Although reprioritizing prevention efforts might be challenging, the Centers for Disease Control and Prevention, community advocacy groups, university STD research centers, and national STD prevention training centers can assist by providing support for consensus discussions and direction in developing operational guidance, some of which may be best delivered through STD and human immunodeficiency virus program partnerships.
Alternative Treatments for Syphilis During Pregnancy
imageNo abstract available
Uptake and Impact of Short Message Service Reminders via Sexually Transmitted Infection Partner Services on Human Immunodeficiency Virus/Sexually Transmitted Infection Testing Frequency Among Men Who Have Sex With Men
imageBackground Sexually transmitted infection (STI) partner services (PS) allow provision of human immunodeficiency virus (HIV)/STI prevention interventions to high-risk individuals, including testing reminders via short message service (SMS). Methods In King County, Washington, PS attempt to reach all men who have sex with men (MSM) with early syphilis and those with gonorrhea or chlamydia as resources allow. Since 2013, PS offered quarterly SMS testing reminders. We evaluated correlates of reminder uptake and the association between reminder uptake and postinterview asymptomatic STI diagnosis using Poisson regression, and the association between preinterview SMS reminder use and intertest interval among HIV-negative MSM using median regression. Results During July 1, 2013 to January 17, 2018, 8236 MSM were reported with 1 or more STI diagnoses and 5237 received PS interviews. Of these, 4087 (78%) were offered SMS reminders; 545 (13%) accepted, 265 (7%) were already receiving SMS, 3277 (80%) refused. Of 2602 patients who refused and were asked about other reminders, 37% used none, 16% received reminders from medical providers, 20% tested at routine physicals, and 26% used other reminders. SMS reminder use before and after PS interview was associated with negative HIV status, younger age, and diagnosis with gonorrhea or chlamydia (vs. syphilis) (P < 0.05 for all). Preinterview intertest interval was longer among MSM testing at physicals (9.6 months) than those using no reminder (5.6), SMS reminders (4.7, P < 0.05 vs. physicals), and non-SMS reminders (3.6, P < 0.001 vs. SMS). Reminder uptake was not associated with postinterview STI diagnosis. Conclusions Offering SMS reminders through STI PS is feasible. Uptake was low, but higher among young MSM not on preexposure prophylaxis. The SMS reminders may increase testing frequency.
Get In, Get Tested, Get Care: STD Services in Urban Urgent Care Centers
imageBackground Recent evidence indicates increased use of urgent care centers (UCCs) for sexually transmitted disease (STD) testing. We sought to learn more about STD services in UCCs in a large metropolitan area. Method Using a modified rapid gap assessment approach, we interviewed staff from 19 UCCs in metro Atlanta, GA. The UCCs were identified using two online search engines. We focused on a 50-mile radius around Atlanta. We then excluded duplicates and closed UCCs, and the ones outside Atlanta's five contiguous counties. Using a prioritization process, we visited UCCs in or adjacent to areas with mid to high local STD morbidity, or facilities from which STD cases were reported the year prior. We collected checklist-based data on STD testing, treatment, and preventive services, as well as supportive services (eg, substance use/mental health referrals). Checklist data, notes, and open-ended questions were summarized and analyzed descriptively. Results All UCCs (n = 19) reported offering basic to comprehensive STD testing. Although most could treat on-site for chlamydia and gonorrhea, most relied on referrals, or prescriptions and “return to facility” practices to treat syphilis. Sources for STD information/management included the health department/Centers for Disease Control and Prevention, online medical sites, and electronic medical record embedded information. Challenges UCCs acknowledged included staying up-to-date with treatment guidance and laboratory reporting requirements, inadequate time for sexual risk reduction counseling, and linking patients with extended care needs (eg, HIV+ case management, supportive services), or following up with patients. Conclusions Urgent cares are STD testing resources. Service availability varies, but opportunities exist to enhance STD services in UCC settings and in communities.
Incentivized Screening to Reduce Sexually Transmitted Infection Risk and Prevalence
No abstract available
Transgender Women Have Higher Human Papillomavirus Prevalence Than Men Who Have Sex With Men—Two U.S. Cities, 2012–2014
imageBackground Human papillomavirus (HPV) prevalence is high among men who have sex with men (MSM), yet little is known about HPV among transgender women (TGW). We assessed HPV prevalence and knowledge among TGW compared with MSM. Methods We enrolled TGW and MSM aged 18 to 26 years from clinics in Chicago and Los Angeles during 2012 to 2014. Participants self-reported gender identity, HIV status, HPV knowledge, and vaccination status. Self-collected anal and oral specimens were tested for HPV DNA (37 types); serum was tested for HPV antibodies (4 vaccine types). Prevalence among unvaccinated TGW and MSM was compared using prevalence ratios (PRs) and 95% confidence intervals (CIs). Participants without DNA or serologic evidence of HPV were considered naïve. Results Among 1033 participants, 49 were TGW. Among 44 TGW and 855 MSM who were unvaccinated, any HPV DNA was detected in anal specimens from 39 (88.6%) TGW and 606 (70.9%) MSM (PR, 1.3; 95% CI, 1.1–1.4), and oral specimens from 4 (9.1%) TGW and 81 (9.5%) MSM (PR, 1.0; 95% CI, 0.4–2.5). Antibodies were detected among 37 (84.1%) TGW and 467 (54.6%) MSM (PR, 1.5; 95% CI, 1.3–1.8). Most participants were naïve to 1 or more HPV vaccine type/s, including 29 (65.9%) TGW and 775 (90.6%) MSM (PR, 0.7; 95% CI, 0.6–0.9). Most TGW (55.1%) had never heard of HPV vaccine. Conclusions Among TGW, HPV prevalence was high and knowledge was low. Most were still naïve to 1 or more HPV vaccine type. Although vaccination ideally occurs prior to exposure, findings support existing national recommendations to vaccinate TGW and MSM, and suggest additional outreach might increase vaccination.
Determinants of Acquisition and Clearance of Human Papillomavirus Infection in Previously Unexposed Young Women
imageBackground Global variation in human papillomavirus (HPV) prevalence and persistence may be explained by differences in risk factors, such as sexual activity, oral contraceptive use, and behavioral factors. We evaluated determinants of acquisition and clearance of HPV infection among young women previously unexposed to HPV. Methods Five hundred thirty-four women aged 15 to 25 years who were cytology and HPV DNA negative, and seronegative for anti-HPV-16/18 antibodies, were recruited (July 2000–September 2001) from study centers in Brazil, the United States, and Canada (NCT00689741/NCT00120848). They were followed up for 76 months. Cervical samples were HPV genotyped via polymerase chain reaction. We used multivariable (forward stepwise, P = 0.15) Cox proportional hazards regression to estimate rate ratios (RR) and 95% confidence intervals (CI), separately according to length of follow-up time. Results On short-term follow-up (0–27 months), 257 (48%; 8535.80 person-months; incidence rate = 30.11; 95% CI, 26.64–34.02) incident HPV infections were detected. Marital status, lifetime number of sex partners, history of any sexually transmitted disease, and occasional use of oral contraceptives were strongly associated with acquisition of any HPV. Having 2 or more lifetime sex partners (RR, 2.03; 95% CI, 1.37–3.02) and a history of any sexually transmitted disease (RR, 1.98; 95% CI, 1.19–3.29) were the most important determinants of high-risk HPV (hrHPV) incidence. During the entire follow-up (0–76 months), an increased hrHPV clearance was found among women in North America (RR, 1.38; 95% CI, 1.08–1.78) and black women (RR, 1.64; 95% CI, 1.04–2.60). Greater number of lifetime partners was associated with reduced clearance rates for any HPV (RR, 0.65; 95% CI, 0.43–0.98). Conclusions We identified variation in risk of HPV acquisition and clearance among women unexposed to HPV at baseline.
Cervical Human Papillomavirus Testing With Two Home Self-Collection Methods Compared With a Standard Clinically Collected Sampling Method
imageBackground The purpose of this study was to compare the outcomes of 2 self-collection methods to detect cervical human papillomavirus (HPV) DNA with outcomes from a standard clinical method. The standard method samples were collected by a clinician at a routine pelvic examination. Self-samples were taken at home and mailed to the clinical laboratory. Methods The 2 self-collection methods were a tampon-based method and a swab-based method using a commercial device, an Eve Medical HerSwab. All HPV samples were processed by a clinical laboratory using the Food and Drugs Administration approved Roche Cobase HPV method, which specifically identifies HPV 16, HPV 18, and a set of 12 other high-risk subtypes. Patients were recruited from 2 cancer screening clinics 2015 to 2017. All patients signed an informed consent. Screening outcomes, such as prevalence, percent agreement with standard, sensitivity, and specificity, were calculated for each self-collection method. Measures of similarity between self and standard collection outcomes, Cohen’s κ, percent concordance, McNemar equivalence, and others were tested statistically. Results One hundred seventy-four patients were randomized. The prevalence of 1 or more positive HPV high-risk subtypes from the standard clinical specimens was 13.5%. All clinical specimens were sufficient for valid HPV detection. For the tampon method, 15 (27%) of the specimens were insufficient quality. Only 1 (2%) swab specimen was insufficient. Only the swab self-collection method was found to be statistically noninferior to the clinical method. The tampon method had an unacceptably high rate of insufficient quality specimens and also failed the equivalency tests. Conclusions The swab home collection samples were equivalent to the clinical samples, but the tampon method had an unacceptably high rate of specimens insufficient for HPV detection.
Resolution of Symptoms and Resumption of Sex After Diagnosis of Nongonococcal Urethritis Among Men Who Have Sex With Men
imageBackground Standard counseling at nongonococcal urethritis (NGU) diagnosis includes advice to abstain from sex for at least 7 days and until symptoms resolve. Methods From December 2014 to July 2018, we enrolled men who have sex with men and received azithromycin (1 g) for NGU at the Public Health–Seattle and King County STD Clinic. Over 12 weeks of follow-up, participants reported daily urethral symptoms and sexual activity on web-based diaries. Nongonococcal urethritis was defined as urethral symptoms or visible urethral discharge plus 5 or greater polymorphonuclear leukocytes per high-power field. Time of symptom resolution was defined as the first of 5 consecutive asymptomatic days. Results Of 100 participants with NGU and no Chlamydia trachomatis (CT)/Mycoplasma genitalium (MG) coinfection, 36 (36%), 22 (22%), and 42 (42%) had CT-NGU, MG-NGU, and non-CT/non-MG NGU, respectively. Among men with MG-NGU, 94% had a macrolide resistance mutation. For all etiologies, median time to symptom resolution after azithromycin was 7 days (95% confidence interval [CI], 5–9); 37% had symptoms lasting longer than 7 days. For men with CT-NGU, MG-NGU, and non-CT/non-MG NGU, median time to symptom resolution was 4 days (95% CI, 2–6; 16% >7 days), undefined days (95% CI, 7 to undefined; 60% >7 days), and 7 days (95% CI, 5–11; 46% >7 days), respectively. Median time to first sexual activity (any type) was 12 days (95% CI, 11–17); it was 16 days (95% CI, 12–18) to first urethral sexual exposure. Twenty-seven percent did not avoid urethral exposure for the recommended period. Conclusions Counseling at NGU diagnosis should educate patients that symptoms may persist more than 7 days, particularly for non-CT NGU, and emphasize the rationale for the 7-day abstinence period.
Self-Reported Screening for Rectal Sexually Transmitted Infections Among Men Who Have Sex With Men
imageBackground Rectal gonorrhea and chlamydia are common and predict human immunodeficiency virus (HIV) acquisition among men who have sex with men (MSM); however, screening for rectal sexually transmitted infections (STIs) is not routine. Methods In 2017, we recruited sexually active MSM in the Portland, Oregon metropolitan area through venue-based sampling. Our outcome of interest was self-reported rectal STI screening in the prior 12 months among those who had a health care visit in the same time period. Stratified by HIV status and preexposure prophylaxis (PrEP) use, we assessed the prevalence and predictors of screening. Results Of 403 participants, 162 (40.2%) reported rectal STI screening. Sixty (25.7%) of 233 HIV-negative men who did not report PrEP use in the prior 12 months; 61 (69.3%) of the 88 HIV-negative men who reported PrEP use in the prior 12 months; and, 41 (59.4%) of 69 men living with HIV-reported screening, respectively. Among HIV-negative men who did not report PrEP use in the prior 12 months, having a health care provider who offered HIV testing (adjusted prevalence ratio [aPR], 2.21; 95% confidence interval [CI], 1.38–3.52) and condomless anal sex with casual partners in the prior 12 months (aPR, 1.63; 95% CI, 1.01–2.65) were independently associated with rectal STI screening. The HIV-negative men on PrEP who had a syphilis diagnosis in the prior 12 months were more likely to be screened than those without syphilis (aPR, 1.33; 95% CI, 1.11–1.59). Men living with HIV who reported having a provider who always or often initiates conversations about sex were more likely to report screening compared with men who did not have such a provider (aPR, 1.46; 95% CI, 1.06–2.03). Conclusions Rectal STI screening is not universal in a venue-based sample of sexually active MSM. Implementing innovative, acceptable, and accessible screening practices, enhancing health literacy around STI screening and improving provider comfort with talking about sex are paramount to increasing rectal STI screening.

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