Kees Rietmeijer, MD, PhD Denver Prevention Training Center 1
Provide overview of the management of the most common STD syndromes: o Vaginal discharge o Male urethral discharge o Genital ulcer disease 2
3 New edition expected in 2014
Express Visit o Eligible Asymptomatic Low-risk o Testing All Chlamydia NAAT Gonorrhea NAAT HIV Based on risk Syphilis: RPR Comprehensive Exam o Eligible Symptomatic High-risk MSM Partner of STI Sex work o Testing Based on symptoms POCT All CT/GC NAAT RPR HIV 4
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31 year old woman Complains of abnormal, malodorous vaginal discharge since 10 days Over the counter medications have been ineffective Last sexual contact 3 days ago with new partner 2 partners in past 3 months Otherwise no health problems 6
What else do you want to know? Only sex with men Not aware of any partners’ symptoms Inconsistent condom use Previous STDs: o Chlamydia infection 2 years ago No substance use or sex work Never been tested for HIV 7
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12 NUGENT Score 0 NUGENT Score 10
BV o Amsell Criteria Homogeneous, grey discharge Whiff Ph >4.5 Clue cells o Treatment Metronidazole/7d Tinidazole/7d Partner management o Not recommended Trichomoniasis o Motile trichomonads Treatment o Metronidazole/single dose o Tinidazole/single dose Partner management o Yes 13 Yeast o Hyphae o Spores Treatment o Azoles Topical/5-7d Oral/single dose Partner management o Not recommended
SensitivitySpecificity Wet prep55%–65%100% Culture75%100% POCT (OSOM)>83%>97% PCR (LDT)83-92%100% TMA AptimaTV100% ProbTec TVQ98.3% Briselden AM. J Clin Microbiol. 1994; Demeo LR. Am J Obstet Gynecol. 1996; Huppert JS. J Clin Microbiol. 2005; Nye MB. Am J Obstet Gynecol. 2009; Van Der Pol B. J Clin Microbiol Van Der Pol; Schwebke; Taylor: Posters STI & AIDS, 2013 Courtesy: Charlotte Gaydos. ISSTDR, Vienna; 2013.
Chlamydia and gonorrhea NAAT (e.g., APTIMA or ProbeTec) Syphilis: o Traditional algorithm: Non-trepenamal (RPR or VDRL) If + followed by treponemal test (TPPA/TPHA/FTA) o Reverse algorithm: Treponemal (EIA or rapid POC) If + followed by non-treponemal (RPR or VDRL) HIV 15
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24 year-old MSM Urethral discharge since 3 days Known HIV+ 10+ partners in past 3 months Last sex 2 days ago in bath house Pt is “versatile”; i.e., engaging in both insertive and recepetive anal inntercourse 17
Patient is in HIV care and had an undetectable viral load at last testing 2 months ago Unprotected sex only with partners he knows are HIV+ as well Has a history of multiple STDs, including syphilis and gonorrhea 18
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Gonococcal Urethri t is Treatment o Ceftriaxone + o Azithromycin or Doxycycline Partners o <60 days o Evaluation and treatment o Expedited partner treatment (EPT) Nongonococcal urethritis Treatment o Azithromycin or Doxycycline Partners o <60 days o Evaluation and treatment o EPT 22
Cause of Urethritis Among Males Denver Metro Health Clinic (N=7527)
Cause of Nongonococcal Urethritis Seattle, N = 606 Manhart et al. Clin Infect Dis 2013;56:934
Treatment Results C. trachomatis8690 M. genitalium4030 U. urealyticum7570 Clinical Cure8076 Azithromycin Doxycycline % % Manhart et al. Clin Infect Dis 2013;56:934
Traditionally, clinical diagnosis established on basis of Gram-stained smear of urethral discharge at > 5 PMNs/HPF 26 However: Cut-off determined in pre-HAART era Low-level infections may be accompanied by low-level inflammatory response (especially for chlamydia) How does the Gram stain perform at different cut-off levels when using chlamydia NAAT as the gold standard?
27 Rietmeijer and Mettenbrink Sex Transm Dis 2012;39:18 N = 11,422 Gram Stains
29 year-old woman Very painful vulvar lesions, increasing in severity for past 4 days Monogamous relationship with new partner since 3 months Used condoms initially, but unprotected vaginal and oral sex after both partners tested negative for STD No history of STDs Partner not aware of symptoms and also negative STD history 28
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Syphilis o Point of care History MSM Contact Darkfield RPR o Non-Point of care Treponemal test EIA TPPA FT-ABS o Treatment 2.4 MU LAB o Partner Management Genital Herpes o Point of care History Contact Clinical presentation (Tzanck) o Non-Point of care Culture (PCR) o Treatment Acyclovir/Valacyclovir/ Famciclovir o Partner Management 33