std clinic triage: evaluation of the king county approachs... · detected and treated the same day...
TRANSCRIPT
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[email protected] | uwptc.org | 206-685-9850
STDClinicTriage:EvaluationoftheKingCountyApproach
Julie Dombrowski, MD, MPHUniversity of WashingtonPublic Health – Seattle & King County HIV/STD ProgramUW Public Health Capacity Building Center
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• MismatchbetweenSTDClinicresourcesandneedservices
• Express care models- Testing only visits with no clinician evaluation- Potential benefits
• Improved clinic efficiency • Increased patient satisfaction
- Potential drawbacks• Lower quality of care (miss the opportunity to treat an STD on the same day as the visit)
• Decreased patient satisfaction
The Problem
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• Approximately10,000patientvisitsperyear
The Local Context: Public Health – Seattle & King County STD Clinic
Age(years)19-2425-29≥30
18%23%59%
RaceWhiteBlackOther
60%20%20%
Hispanicethnicity† 9%Gender/sexualorientation
MSMMSW onlyWomen
42%34%24%
STDClinicVisitDemographics,2010-2015
STI Trend
Syphilis ↑74%
UrethralGC ↑146%
UrethralCT ↑61%
HIV ↓36%
CountywidetrendsinratesamongMSM,2007-2015
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Diseasedetectionfocused
Triage in the PHSKC STD Clinic
AutomatedTriageAlgorithm• Symptoms• ContacttoSTD/HIV• Symptomaticpartner• HIV+,outofcare• HCV,wantstreatment• HSV,wantssuppressivemeds• Wantscontraception• Wantsemergencycontraception• Female,≥21yo,>1yr sincePap• Transortranssexpartner(previous)
yes no
Standardclinicianvisit
Expressvisit
HealthServicesfocused
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Diseasedetectionfocused
Triage in the PHSKC STD Clinic
AutomatedTriageAlgorithm• Symptoms• ContacttoSTD/HIV• Symptomaticpartner• HIV+,outofcare• HCV,wantstreatment• HSV,wantssuppressivemeds• Wantscontraception• Wantsemergencycontraception• Female,≥21yo,>1yr sincePap• Transortranssexpartner(previous)
yes no
Standardclinicianvisit
Expressvisit
HealthServicesfocused
Thisdidnotworkoutatall.
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• Opportunitytoevaluatethecounterfactualautomatedtriagestatustothegoldstandardclinicalevaluation
• Crosssectionalstudy
• AllpatientswhocompletedaCASI,Oct2010-June2015
• Outcome:automatedtriagestatusvs.“truth”
• “Neededastandardvisit”=infectionorsyndromethatshouldbedetectedandtreatedthesameday(e.g.1○ or 2○ syphilis,urethralGCdxongramstain)
• “Eligibleforexpresscare”=otherwise
Evaluation of PHSKC triage algorithm
Chambers L, et al. Evaluation of an express care triage model to identify clinically relevant cases in an STD Clinic. Sexually Transmitted Diseases, in press.
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Results
Chambers L, et al STD 2017
WomenN=7,639
MenN=24,474
Appropriatelytriaged,N(%) 6,259(82) 21,337(87)
“Underserved”,N(%)(inappropriatetriagetoexpresscare)
120 (2) 893(4)
“Overserved” ,N(%)(inappropriatetriage tostandardvisit)
1,260(16) 2,244(9)
Sensitivity,% 97.9 94.6
Specificity(fordisease-focusedoutcome),% 33.0 71.9
Area underthecurve(95%confidenceinterval) 0.65(0.64-0.67) 0.83(0.83-0.84)
Eligibleforexpressvisits,N (%) 1881(24) 7976(33)
Triaged byCASItoexpressvisit 741(10) 6,625(27)
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• Primary reasons for inappropriate triage to standard visit- Women
• No Pap in past year (50.6%)
• Reported contact to STD but did not receive treatment (14.8%)
• Wants contraception (14.8%)
- Men• Reported contact to STD but did not receive treatment (43.5%)
• Reported sore throat (17.6%)
Results
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• Primary reasons for inappropriate triage to express care- Women
• Diagnosed with a key infection (45.8%) • (vaginitis without symptoms reported to clinician or kiosk)
• Reported key symptoms to the clinician but not the CASI (31.7%)
- Men• Reported key symptoms to the clinician but not the CASI (51.5%)
• Empiric treatment for contact to STD or otherwise (41.7%)
Results
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• The algorithm had very high sensitivity & AUC for identifying patients needing standard visits
• The algorithm triaged many women to standard care who did not need it from a disease-focused perspective
• Inclusion of health service needs in algorithm- E.g.: Pap tests, contraception, HCV & HSV care- Depends on local context
• At ~5% of visits, patient reported symptoms to the clinician but not the CASI- Can be addressed by combining CASI with a brief screening
interview to confirm presence or absence of symptoms
• Could additional optimization improve the specificity of the algorithm?
Summary & Conclusions
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Methods
- Primary or secondary syphilis
- Urethral or cervical gonorrhea diagnosed via Gram stain
- Non-gonococcal urethritis
- Epididymitis
- Proctitis
- Mucopurulent cervicitis
- Pelvic inflammatory disease
- Bacterial vaginosis
- Vaginal candidiasis
- Trichomoniasis
- Urinary tract infection
- Genital ulcer of unknown etiology
- Soft tissue infection
- Herpes simplex virus
Infection/syndrome that should be diagnosed and treated that day