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RFID in Blood Transfusion Project Briefing


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Briefing document on my Thesis for my MSc Health Informatics degree at City University

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RFID in Blood Transfusion Project Briefing

  1. 1. 1Radio Frequency Identificationin blood transfusion managementAlexander Beisser, MSc Health InformaticsCity University London,Centre for Health Informatics25th October 2007Project Briefing©AlexanderBeisser2007
  2. 2. 2The project briefing About this study About Barcodes About RFID
  3. 3. 3About this study Alexander Beisser Works for ICT Shared Services at Newham UniversityHospital Trust Dissertation for Master of Science in HealthInformatics City University London Course accredited by NHS Connecting for Health
  4. 4. 4About this studyThe main questionCan the emerging Radio Frequency Identificationtechnology help to make blood transfusion safer,more reliable and allow better tracking of (used)blood products within a secondary care setting likeNewham University Hospital Trust in accordancewith the requirements of the National Patient SafetyAgency and SHOT1 initiatives?1Serious Hazards of Transfusion, Manchester, UK
  5. 5. 5About this studyThe aim of projectAudit and analysis of technology available toenhance safety in the transfusion process in asecondary care setting. Barcode versus Radio Frequency technology Investigation into the possibility to use RFID technologyto improve safety in transfusion medicine in accordanceto NPSA Right patient – right blood initiative.
  6. 6. 6About this studyMotivation for studySafety of blood transfusions : 609 cases reported to SHOT1 in 2005 (out of more than3.6 million transfusions) 37% of transfusion related errors occur in hospitaltransfusion laboratory environment Most common error is IBCT (485 cases = 79%) 1358 near miss incidences SHOT recommendations Right patient – right blood initiative of NPSA And others1Serious Hazards of Transfusion, Manchester, UK
  7. 7. 7About this studyAudit to be performed to see if: Can RFID technology be added to barcode system? Can semi-active / active be used to automaticallyinterrogate and audits blood products for blood productscondition Has RFID technology the potential to reduce IBCT errorrate? How can RFID improve safety by automatic authenticationof Patient Clinician / nurse Blood product
  8. 8. 8About this studyThe focus points in project In blood banks Monitoring of blood products condition At patient bedside Correct blood for correct patient Patient identification Patient condition monitoring(temperature, etc.) Audit of blood products used intransfusion
  9. 9. 9About Barcode Technology Machine readable representation of information Use of dark ink on light background to create high / low reflectance torepresent converted 1s and 0s Information is read by optical barcode readers (barcode scanner) usinga laser beam Developed in 1948, first commercial use in 1966, success in 1980’s Barcodes are nowadays commonly used to capture ID Data to identifyproducts, goods or other items Examples: Supermarket checkouts, sample identification in pathology (orother healthcare) environmentTypical Linear Barcodeas it can be foundon everyday products2 dimensional barcodeas it can be foundi.e. in a pathology settingBarcode reader(cordless version)
  10. 10. 10About Barcode TechnologyAdvantages of Barcodes Virtually free (≈ £0.003 per code for linearbarcodes) Widely used within retail and supply chain industry Used within healthcare settings Easy implementation Well-formed and established international andEuropean standards Users are well aware of technology Easy to use and therefore lower training costs Can be used across industry and country borders
  11. 11. 11About Barcode TechnologyDisadvantages of Barcodes (I) Line of sight required to read barcode Only one barcode can be read at a time Reading speed lower than RFID Reading of label can be difficult when label iscurved or crumbling Dust and dirt influence readability of code
  12. 12. 12About Barcode TechnologyDisadvantages of Barcodes (II) Label can crumble when exposed to water (i.e.when patient is taking a shower) Limited amount of data can be stored on label No additional data can be written or stored onlabel except a unique number New label is required when data format / structurechanges or multiple barcodes are needed A connection to a database is required
  13. 13. 13About RFID Technology Automatic identification method First used in 1939 by Royal Air Force to distinguish betweenenemy and allied aircrafts Storage of information on electronic tags Data is retrieved by RFID readers (interrogators) from a distancethat can be greater then with barcodes Widely used in retail and supply chain sectors Healthcare industry shows more interest in emerging RFIDsolutions for healthcare settings Technology consist ofAntenna incorporatedinto RFID tagElectronic RFID tag RFID reader(here attached to a PDA)
  14. 14. 14About RFID TechnologyDifferent types of tags 3 different types of RFID tags available Passive Semi-active Active
  15. 15. 15About RFID TechnologyThe advantages of RFID Contact-free authentication Out of sight authentication Read and write to tags Store data on tags Immunity to dust and dirt on patientwristband Data processing done by reader Tag can monitor conditions and Alert when use by date or other conditions are reached No permanent database connection required (dependenton the data stored on wristband) Integration into other business processes
  16. 16. 16About RFID TechnologyThe challenges for using RFID Costs of tags Cost of infrastructure Interference with other medical equipment Standardisation still in progress Data privacy Acceptability by patients and staff Not yet widely used within the NHS Process re-engineering could be required No out-of-box solution available
  17. 17. 17About RFID TechnologyRFID technology in healthcare (I)RFID projects and systems within healthcareenvironments: America: Massachusetts General Hospital: Blood product tagging Jacoby Medical Center NY: Blood product tagging Shelby County Regional MC: Patient tracking in surgery European Union: Saarbruecken Clinic: Patient identification and blood producttagging United Kingdom: Portsmouth NHS Trust: Blood sample & testing monitoring Birmingham Heartlands Hospital: Patient and equipmenttracking in surgery Wirral Hospital NHS Trust: Patient tracking
  18. 18. 18About RFID Technology RFIDtechnology in healthcare (II) Birmingham Heartlands Hospital:Patient & equipment tracking in surgery South Tyneside NHS Trusts:Mother baby matching / monitor Mayday Hospital Croydon NHS Trust: Bloodtracking Mersey General Hospital:Staff location tracking for panic alert system Portsmouth NHS Trust:Tracking of blood tests Wirral Hospital NHS Trust:Patient tracking in A&E Department Dudley Hospital:Baby tracking in delivery suite Brighton & Hove University Hospital: Equipmentlibrary Mid Yorkshire Hospitals NHS Trust: Patient notestracking Human Fertilisation & Embryology Authority: IVFegg tracking
  19. 19. 19The questionnaireA short note about the questionnaire: Anonymous questionnaire Contains open answer and rating questions To answer rating questionscircle the scale at the appropriate point.
  20. 20. 20Thank youThank you very much for your attention.Please feel free to contact me if you haveany further questions.Alex Beisser MSc, BSc, CISA,