dr.p.k.rath md(path) guru brahma guru vishnu guru devo maheswaraha guru shathshath pra brammam...
TRANSCRIPT
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DR.P.K.RATH MD(PATH)
GURU BRAHMA GURU VISHNUGURU DEVOMAHESWARAHAGURU SHATHSHATHPRA BRAMMAMDHASMAISREE GURUVE NAMAHA
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QUALITY ASSURANCE IN BLOOD BANKING
Aravindakshan. MURALIDHARANDoctors Blood Bank & Research Centre
Trichy
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INTRODUCTION
WHO defines the term QUALITY as, “ The consistent and reliable performance of Services or product in conformity with specified standards”
QUALITY ASSURANCE is vital for the successful operations of any blood transfusion services.
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The All Important - Blood Donor - OUR DEMIGOD
Donor Motivation
Donor Awareness
Donor Incentive
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Donor Selection
The Single most important factor towards Our Final Goal
SAFE BLOOD
Donor Experience
Donor Retention
Adherence to the SOPs
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Blood Collection
Blood Bank policy regarding the blood usageChoice of Bags : Quality of bag/ Type of Bag,
Examination of Bags.Good phlebotomy proceduresBlood Donor recovery and refreshment
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Blood Component Preparation :-SOPs as per NABH, DGHS Guidelines for
the preparation of Red Cells, FFP, Platelets & Cryo.
Instrument calibration and validation
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Storage
Calibration and validation of various
equipments involved in storage such as BBRs, Deep Freezers, Platelet incubator and agitator etc.
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Q A in Screening of BloodGrouping : Manual / Automated
TTI Screening : Manual / Automated Quality control in this with positive control,
negative controls, L J chart in this will help.
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QC of Blood Component Preparation
Whole blood :Volume : 350mls excluding anticoagulantHCT : 40±5%pH > 6.5K < 27mmol/LSterility : no growth
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Red Cell Concentrates
The expected values
Volume : 280ml ± 50ml, frequency of control 1% of all units
HCT : 65- 75 %pH > 6.5K < 78 mmol/LSterility : no growth
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Platelet Concentrates :Volume > 30mlpH : 6.8-7.4Plt count : at least 5.5 x 1010 /bag in at least 75% of
the units tested at the end of the storage.By apheresis : minimum 3 x 1011/bag platelets in at
least 75% units testedWBC contamination: < 2 x 103/bag.RBC contamination: minimal Macroscopic appearance : no visible platelets
aggregatesSterility : no growth
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Fresh frozen plasmaQuality Control
Volume: 175 - 250ml Should contain necessary units of factor VIII,
factor IX, vWF and other plasma clotting factors
Macroscopic Examination: no abnormal color or visible clots
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Cryo precipitateQuality Control :
Volume : 10- 15 mlFactor VIII : 80 – 100 units/ Conc.Fibrinogen : 150 – 250mg/ Conc.von-Willebrand factor :40–70% of the originalFibronectin : 55 mgFactor XIII: 20-30% of the originalSterility: no growth
References : Compendium of Transfusion Medicine – Dr. Makroo
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Issue of Blood Products:
SOPs for issue of individual products
Thawing procedures and calibration for thawing bath
Packing and transportation of the products
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QC FOR EQUIPMENT
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Trouble shooting of untoward incidences
Reporting and recording of untoward incidences
Recall of components and rechecking (separate SOP for this should maintain)
Changes in SOP for prevention of such incidences
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TO CONCLUDEDonor Selection and RetentionInstrument calibrationTest ValidationMaintanence of periodic QC of various blood
productsStrict adherence to SOPsGood Laboratory Practices - GLP
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Quality Assurance is the right of every patient and it is the Duty of Every Blood Centre.
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References:Compendium of Transfusion Medicine
by Dr. R.N, Makroo MBBS, DIBT, MD Second Edition 2009.
Transfusion Medicine Technical Manual by Director General of Health Services, INDIA - Second Edition 2003
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Thank you