NATIONAL STANDARD METHODS: ASSURING QUALITY IN UK … · 2019. 11. 19. · Access HIV 1/2 New Murex...
Transcript of NATIONAL STANDARD METHODS: ASSURING QUALITY IN UK … · 2019. 11. 19. · Access HIV 1/2 New Murex...
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NATIONAL STANDARD METHODS: ASSURING QUALITY IN UK
Portugal
Valerie BevanDepartment for
Evaluations and Standards Laboratory Centre for Infections
Health Protection Agency
October 2008
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Structure of talk
Background to:
• Health Protection Agency (HPA)
• Centre for Infections (CfI)
• Department for Evaluations, Standards and Training (DEST)
• Standardising methods
• How we develop them
• Why
• What they look like• How you can access them
• Department for Evaluations, Standards and Training (DEST)
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HPA Board
Centre for InfectionsCentre for Radiation
Chemicals & Environmental Hazards
Centre for Emergency
Preparedness & Response
Local & Regional Services
Regional Microbiology
Network
Corporate Services
Executive
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Main purpose of HPA
Dedicated to protecting people’s healthhttp://www.hpa.org.uk
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Reference Microbiology
Epidemiology / surveillance
Centre for Infection
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Evaluations Unit Quality ControlReagents Unit
Education & Training Unit
Department for Evaluations, Standards and Training (DEST)
Head of Department & Laboratory Director:
Valerie Bevan
Quality System Unit
Professor Ian Sharp Dr Keith Perry Joe Vincini Dr Satnam Sagoo
Standards Unit
Ruhi Siddiqui
(MiDAS)
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Quality AssurancePatient
Spe
cim
en S
elec
tion
Labo
rato
ryR
epor
ting
and
Inte
rpre
tatio
n
Test selection
Patient preparation
Specimen collection
Specimen preservation
Results dispatched
Results interpreted
Clinical management
Specimen reception
Unique lab identifier
Analysis
Clinical validation
Analytical validationIQCEQA IQAQA SOPs
[Seth J. Quality Assurance. In: CP Price, DJ Newham (eds) Principles and Practice of Immunoassay. 2nd ed. London. pp 211-228]
Accreditation checks compliance
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Title
Lorian cycle (? 1982)
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What do we mean by assuring quality?
Working to a good quality system
Adequate quality assurance (EQA, IQC, IQA)
Having a ‘service culture’ focussed on the user / clini cian and patient
Good reporting of all diseases for surveillance, acco rding to local requirements
Timeliness of reporting
High quality clinical advice and interpretation of re sults
Public health focus
Meeting accreditation standards
Having good standard operating procedures
Quality manual
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Evaluations Unit(MiDAS)
Quality ControlReagents Unit
Education & Training Unit
Quality System Unit
Professor Ian Sharp Dr Keith Perry Joe Vincini Dr Satnam Sagoo
Standards Unit
Ruhi Siddiqui
Department for Evaluations, Standards and Training (DEST)
Head of Department & Laboratory Director:
Valerie Bevan
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Comprehensive collection of > 200 well referenced:
• clinical microbiology standard operatingprocedures
• algorithms (virology and serology)
• guidance notes
National Standard Methods (NSMs)
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~Over 200 National Standard Methods
• 84 Clinical bacteriology
BSOPs 37
BSOP IDs / BSOP TPs 47
• 41 Virology / serology algorithms and SOPs
• 40 Food, water and environmental
• 39 Guidance Notes
• 5 Syndromic algorithms (in development)
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INVESTIGATION OF FAECES SPECIMENS FOR BACTERIAL PATHOGENS
BSOP 30
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SOPs (NSMs)
Index
Amendment procedure
Scope
Introduction
Technical information
Safety considerations
Specimen collection
Specimen transport & storage
Specimen processing
Reporting
References
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• All day meetings 2-4 times a years for each group
• Working Groups: BacteriologyVirologySyndromic AlgorithmsMolecular Technology (being formed)Food, Water and Dairy
• Multi-professional composition:ChairpersonMembers of the Standards Unit - Unit Head
- Co-ordinator/SecretariatMedical microbiologists Healthcare scientistsStakeholder representativesEditor (does not attend meetings)
Working Group Meetings
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Curator
Stakeholders
Stakeholders – experts and stakeholders
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Process
Write
Draft
SM Working Group
2nd draftVia Web
Consult
Standards Unit
1st draftVia Web
Consult
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• Final versions in Adobe .pdf format
• Access to drafts and reviews (in MS Word) requires password
• Over 1300 passwords in 75 countries to access our website for NSMs
www.hpa-standardmethods.org.uk
www.evaluations-standards.org.uk
www.hpa.org.uk
Access
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11 May 2006
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National Standard Methods (VSOP)
Laboratory testing strategies
Minimum acceptable standards
Frontline testing
Confirmatory strategies
- algorithm flowchart format
or
- working standard operating procedure (SOP) format
Some with limited access eg H5N1 influenza
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Anti HIV screening VSOP 11
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Standard Operating Procedures (VSOP)
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Clinical Guidance Notes (QSOP)
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Hepatitis in Neonates
= PCR
= Serology
= Isolation
Syndromic algorithms
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Syndromic Algorithm
Acute Infective Hepatitis
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Bench level guide
• ‘Front end’
• Link bacteriology and virology testing
• Make informed decisions
• Selection of tests
• Appropriate samples
• Appropriate reporting
• Cross referencing to relevant NSMs
Syndromic algorithms
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Why use National Standard Methods?
• Assist in Accreditation, Quality, Safety, Staff training
• Links with regulatory bodies, professional microbiology organisations, public health and epidemiologists
• Facilitates the movement of staff across laboratories
• ‘Honest broker’ when laboratories merge
• Well referenced, provide advice, existing best practice
• Improve the quality of epidemiological data
• Removes the need for labs to produce methods from 1st principles
• Wide consultation (>1300 password holders), regular review periods ensure documents are current
• Enables rapid responses to changes required
• ‘Accessible to all for FREE via the Internet (and with a password)
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Feedback received
“The introductions are very useful especially for the BMS examinations”
“ You provide reassurance to laboratories regarding methods employed”
“The methods provide a good basis when applying for funding for infrastructure”
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What we are moving towards…
Documents to be interactive
Documents taking presenting symptom to the diagnosis
Facilitating molecular diagnostics
Improving links with clinical microbiology
Book of introductions
‘Pathopedia’ (with Royal College of Pathologists)
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(MiDAS)Quality ControlReagents Unit
Education & Training Unit
Quality System Unit
Professor Ian Sharp Dr Keith Perry Joe Vincini Dr Satnam Sagoo
Standards Unit
Ruhi Siddiqui
Department for Evaluations, Standards and Training (DEST)
Head of Department & Laboratory Director:
Valerie Bevan
Evaluations Unit
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See websites for published reportswww.pasa.nhs.uk/cep
www.hpa-midas.org.uk
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Evaluations
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CE Marking does not cover:
CE Marking
• Comparative data
• Evaluation and validation
• Ease of Use
• Monitoring of internal QCs
• External QA
• Use of combinations ie kits/automated platforms
•
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5 10 15 200 25
Genscreen ULTRA HIV Ag-Ab
Prism HIV Ag/Ab Combo
Vironostika HIV Uni-Form II AgAb
Enzygnost HIV Integral
Genscreen PLUS HIV AgAb
VIDAS HIV DUO
Murex HIV AgAbCombination
AxSYM HIV Ag/Ab Combo
Ear
liest
HIV
Det
ectio
n
Ear
liest
ant
i-H
IV
Det
ectio
n
Access HIV 1/2 New
Murex HIV 1.2.0
Ortho Ab Capt. ELISA
EnzygnostHIV1/2 plus
Murex HIV 1+2
Abbott HIV1/2 3rd Gen Plus
Genscreen HIV Version 2
Biotest Anti-HIV Tetra ELISA
Biotest HIV 1/2 recombinant
AxSYM HIV 1/2 gO
Vironostika HIV Uni-Form II plus O
IMx HIV1/2 III plus
Vitros ECianti-HIV 1+2
Murex ICE HIV 1+2
InnotestHIV 1/2
ClonesystemsDetect HIV v1Detect-HIV
v.4
This figure is based on data generated by testing 2 1 seroconversion panels in each of the HIV screenin g tests shown.
= Combined Ag/Ab assay = immunometric assay = Class specific antibody capture assay = antiglobulin assay.
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Evaluations Unit (MiDAS )
Quality ControlReagents Unit
Education & Training Unit
Quality System Unit
Professor Ian Sharp Dr Keith Perry Joe Vincini Dr Satnam Sagoo
Standards Unit
Ruhi Siddiqui
Department for Evaluations, Standards and Training (DEST)
Head of Department & Laboratory Director:
Valerie Bevan
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Quality Control Reagents we provide
Current list of reagents for serology
Annex II List A•HIV•HTLV•Hepatitis B•Hepatitis C•HIV p24 antigen
Annex II List B•Toxoplasma•CMV•Rubella
Non-Annex II•Hepatitis A•HSV•Syphilis•Malaria•Influenza H5
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Countries where we sell Quality Control Reagents
UKCanadaChinaDenmarkEireEstonia FranceGermanyItaly
NetherlandsNorwaySingaporeSweden South KoreaTaiwanTurkeyUSAUkraine
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• NSMs are based on a consensus supported by literature
• Wide consultation
• Led by professionals and consult with recognised experts
• Hosted by HPA
• Supported by NHS and other stakeholders
• Progressive and responsive
• Current and regularly reviewed
• Free!
• Quality if multifactorial!
Summary
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Evaluations and Standards Laboratory
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Acknowledgements
Virology working groupKen Mutton (chair and editor for Clinical Virology Network)
Medical EditorDr Mark Farrington
Members of Working Groups
Department for Evaluations, Standards and TrainingAll in DEST, especially:Keith PerryRuhi Siddiqui, Jyotsna Vohra, Clare Harris, Russell Croker, Janet NorcupIan SharpJoe Vincini © Health Protection Agency [2008]
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