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VERIFICATION OF BLOOD COLLECTION SYSTEM GIAN LUCA SALVAGNO, MD, PhD University of Verona, Italy
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HUB Spoke START
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Laboratory’ s errors Lundberg’s loop.
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Laboratory testing
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Errors and patient’s outcome
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Pre- analytica l errors
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Preanalytical:56% Analytical:21% Postanalytical:18% Multiple: 5% Preanalytical:56% Analytical:21% Postanalytical:18% Multiple: 5% ……….and in laboratory?
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Pre-analytical phase: Where? Patient identification Critical s point Blood specimen collection Specimen identification Specimen transport Time of specimen arrival Check-in Centrifugation decaping Aliquoting and labeling of the secondary specimen Outside LaboratoryLaboratoryLaboratoryLaboratory Within
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Phlebotomist?
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Blood collection device
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Blood drawing technique
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VENOUS STASIS
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Venous Stasis:Tourniquet time
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1)Tourniquet time: Clinical Chemistry
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GLS 2) Tourniquet time: Coagulation testing
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3) Tourniquet time: Hematological testing
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BLOOD CONTAINER
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GLS Anticoagulants
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VENOUS ACCESS
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Hemolysis: Clinical Chemistry
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GLS Hemolysis: Coaguation testing
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GLS VisuallyundetectablehemolysisVisuallyundetectablehemolysis Percentage RBC lysate on the total RBC mass. 0 0.1 0.2 0.4 0.8 1.6 3.3 6.8 14.7 Hemolysis :clinical chemistry testing
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NEEDLE SIZE
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Recommendations for Collection of a Quality Specimen for Coagulation Testing
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Influence of under-filling of 3.2% buffered sodium citrate blood tubes on results of activated partial thromboplastin time (APTT), prothrombin time (PT), fibrinogen, activated protein C resistance (APCR), and coagulation factor VIII. The dotted lines designate the desirable bias for each parameter.
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GLS The JCAHO has recently given priority within the 2007 National Patient Safety Goals to the improvement of the accuracy of patient identification and it applies to all JCAHO-accredited healthcare organizations and those seeking JCAHO accreditation. Failure to comply can result in a special Type I recommendation and jeopardize a facility’s accreditation status.
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GLS The International Organization for Standardization 15189:2003 clause 5.4 “Pre-examination procedures'” includes requirements for traceability of primary samples to an identified individual.
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GLS
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What’s next?
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“Which is the best choice?” Or……
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…and I am ready to start!
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The End Take a home message
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