360 likes | 864 Views
List of criteria used for the selection of blood donorsList of instruments/materials used for the collection of donors bloodDefinitionPlasmapheresisCytopheresisAutologous donationHeterologous donationSteps in preparation of a donor prior to venisection and collection of bloodPre and post donation careScreening tests doneCommon anticoagulantsAdvantages and disadvantagesChanges that occur on blood during storageEthical issues related to donationConcept of mobile blood bank and public32080
E N D
1. Blood Donors, Blood Collection & Storage Dr. Tariq M. Roshan
Department of Hematology
Dated 11/7/2004
2. List of criteria used for the selection of blood donors
List of instruments/materials used for the collection of donors blood
Definition
Plasmapheresis
Cytopheresis
Autologous donation
Heterologous donation
Steps in preparation of a donor prior to venisection and collection of blood
Pre and post donation care
Screening tests done
Common anticoagulants
Advantages and disadvantages
Changes that occur on blood during storage
Ethical issues related to donation
Concept of mobile blood bank and public relation in donor recruitment program
3.
Donation must be accomplished in such a way that the safety of both the donor and the potential recipient is assured
4. DEFINITIONS Autologous
derived from organisms of the self; same individual; "autologous blood donation"
Heterologous
derived from organisms of a different but related species; "a heterologous blood donation
5. DEFINITIONS Apheresis
Greek work meaning take out
The process of removal of whole blood from a donor or patient, separating out specific portions, and returning the other portions to the donor/patient
Can be done for
Harvesting specific components for transfusion (plasma, platelet, red cells)
Removal of specific pathologic substances
Cytapheresis
To harvest specific cellular components such as platelets, granulocytes or red cells.
Plasmapheresis
To harvest plasma only and return back the cellular components to the donor/patient
6. TYPE OF BLOOD DONATION WHOLE BLOOD DONATION
APHERESIS DONATION
AUTOLOGOUS BLOOD DONATION
7. BLOOD DONATION SITES WALK IN DONATIONS
Blood donors coming to the blood bank for donations
Usually regular blood donors
MOBILE BLOOD DONATIONS
Major part of blood donations
Blood donations out side the campus for
Targeted population group
Untargeted population group
8. STANDARD OF PRACTICE FOR DONOR SCREENING FIRST TIME DONORS
Longer screening process to fully explain all parts of the donation process
Expected to have more quires
REGULAR DONORS
Shorter screening process
AUTOLOGOUS BLOOD DONORS
Planning for donation according to the time and need of blood
9. DONOR SECLECTION Two crucial factors for safe blood products
Accurate donor screening or selection
Accurate laboratory testing on each unit collected
10. BROAD PRINCIPLES OF DONOR SELECTION
Giving blood does not harm the donor
Donated blood loss is restored rapidly and completely
The blood must not harm the recipient
11. WHY DOES ONE DONATE? Volunteer donation
Donation to replace products used
Donation to cover family and friends
Donation for payment
The last category, paid donors are not used in todays blood banks
Motivation such as time off, T-shirts, coffee cups and pens are not considered direct payment for donation.
12. PURPOSE OF DONOR SCREENING FIRST
Healthy enough to donate
SECOND
Recipient is protected
Laboratory staff is protected
OUTCOMES OF DONOR SCREENING
Acceptance
Temporary deferral
Permanent deferral
13. DONOR SCREENING Registration of the donor
Medical history
Physical examination
Upon successful completion of these the donor proceeds to phlebotomy
Donors must be assured of a private and confidential interview process for the medical history and the physical examination.
15. DEMOGRAPHIC DATA Donors full name as in identification card and
ID card number
Permanent address with telephone number
Gender
Age
18-55 years
Date of birth
16. DEMOGRAPHIC DATA Donors occupation
Date of last donation if any
Whole blood should be 3 months
Apheresis 2 weeks
Autologous depends on the requirement
Weight
Should be >45 Kgs
17. MEDICAL HISTORY Medical history should be taken by trained health care professional
It must be assured that the confidentiality of the donor should be maintained
Direct questions or leading questions are allowed in the interview
18. MEDICAL HISTORY QUESTIONS Have you every given blood under a different name?
In the past 8 weeks, have you given blood, plasma, or platelets?
Have you ever been refused as a blood donor or told not to donate blood?
Have you ever had cancer, a blood disease or bleeding disorder?
Have you ever had yellow jaundice, liver disease or positive test for hepatitis?
Have you ever given growth hormone?
19. MEDICAL HISTORY QUESTIONS Are you feeling well and healthy today?
In the past 3 years, have you had malaria?
In the past 1 year, have you been under a doctors care or had a major surgery?
In the past 1 year, have you received blood or had an organ or tissue transplant?
In the past 1 year, have you had tattoo, skin piercing or accidental needle stick?
In the past 1 year, have you had close contact with a person with yellow jaundice or hepatitis?
20. MEDICAL HISTORY QUESTIONS In the past 1 year, have you has a positive test for syphilis?
In the past 1 year, have you given money or drugs to anyone to have sex with you?
For female donors: in the past 6 weeks, have you been pregnant or are you pregnant now?
In the past 4 weeks, have you had any shot of vaccinations?
In the past 3 days, have you taken aspirin or anything that has aspirin in it?
21. MEDICAL HISTORY QUESTIONS Male donors: have you had sex with another male even once?
Female donors: have you had sex with a male who has had sex, even on time with another man?
Have you ever taken clotting factor for bleeding disorder?
Have you had a positive test for AIDS?
Are you giving blood to be tested for AIDS?
Have you had any symptoms of AIDS or weight loss?
22. Have you read and under stood all the donor information presented to you, and have all your questions been answered?
UNDERTAKING
SIGNATURE____________________
DATED________________________
23. PHYSICAL EXAMINATION General appearance of donor
Determination of hemoglobin
Males Hb: >12.5 g/dl
Females Hb: >12.0 g/dl
Pulse
50-100 beats/min
Blood pressure
Maximum 140/90 mm Hg
24. PHYSICAL EXAMINATION Temperature
Maximum 37.5 0C
Donor weight
Minimum 45 Kgs
Amount of blood to be drawn
(Donor wt. in Kg÷50) X 450
Venipuncture site
Inspection for scar marks
25. PHELEBOTOMY Preparation for the venipuncture
Reidentification of the donor to avoid errors
Selection of the arm and vein
Skin preparation, scrubbing of the area
Local anesthesia
Venipuncture
Mixing of the blood bad during the procedure
Samples for the screening tests
End of procedure
26. POST DONATION INSTRUCTIONS After donation, please rest in the donation chair for 10 minutes before getting up
Eat and drink something before leaving
Inform a staff member immediately if you have any unexpected reaction
Lightheadedness
Perspiration
Nervousness
Flushing
Drink more fluids than usual during the next 4 hours
27. POST DONATION INSTRUCTIONS If there is bleeding from the site where the needle was placed raise your arm and apply pressure
If you feel dizzy or faint, lie down or sit down, placing your head lower than your knees
If either bleeding or faintness persists, return to blood bank
If you become ill in the next 3 to 4 days, contact the department with information on our illness
THANK YOU FOR YOUR DONATION.
WE HOPE TO SEE YOU AGAIN SOON!
28. POST DONATION CARE OF BLOOD DONOR Donor care is provided my trained nurse under the supervision of doctor
Occasionally donors experience adverse reaction
Record of donor adverse reaction should be kept for future decisions
29. DONOR REACTIONS Vasovagal reaction
Sudden fainting due to hypotension
Neurophysiological response
Apprehension, first time donor, female
Emotional stress
Sight of blood
Prevention
Donor screening
Psychological support through positive donor-staff relationship and reassurance
Physical comfort like temperature and surrounding environment
30. DONOR REACTIONS Hyperventilation
Increased inspiration and expiration either rate or depth
Results in excessive loss of CO2
Severe cases can result into hypocalcaemia tetany or syncope
Usually associated with anxiety
Prevention and treatment
Reassure the donor
Ask the donor to cough to interrupt the pattern of breathing
Instruct the donor to rebreathe expelled air into a small paper bag
31. DONOR REACTIONS Hematomas
A mass of blood (usually clotted) that is confined to a local region and usually results from the rupture of a blood vessel
Prevention is by effective collection technique
Resolves spontaneously or by apply ice pack
32. AUTOLOGOUS DONATION A Donation by the intended recipient of his or her own blood or component for a possible subsequent transfusion
Classification
Preoperative or predeposit
Perioperative hemodilution
Intraoperative salvage
Postoperative salvage
33. CRITERIA FO PREDEPOSIT Donation can be made at weekly interval (1-5units)
Hb
>11.0 g/dl
HCT
>33%
Last donation should be 72 hours before surgery
Cross match is required before each transfusion
Blood not required during or after the patient surgery normally is discarded
Screening test are performed as per normal donation
Label should clearly state For Autologous Use Only
34. CRITERIA FOR APERESIS PLATELET DONATION Preferably regular donor
Weight
>55 Kgs
Good venous access
Prior investigations required
FBC
VDRL
HbsAg
Anti HIV
Anti HCV
Serum lipid profile
35. End of part 1.