Blood Banking I Flashcards
Fully described the circulation and properties of blood
William Harvey
King Louis XIV’s physician who transfused blood from a sheep
Jean-Baptiste Denys
Richard Lewisohn
Sodium citrate as an anticoagulant of blood
Discovered the first human blood groups
Karl Landsteiner
What is blood banking?
The process of collecting (donation), testing, processing, and storing blood for later use (transfusion)
Lead to establishment of blood banks
Discovery of sodium citrate as a blood anticoagulant
First recorded attempt of a blood transfusion
1942: Pope Innocent VIII
Discovered AB blood group
Alfred von Decastello
Adriano Sturli
Ethanol fractionation
Method of breaking down blood into its component parts to obtain albumin, gamma, globulin, and fibrinogen
Albert Hustin
Conducted the first non-direct transfusion using sodium citrate as an anticoagulant
Old term for AIDS
Gay-related Immunodeficiency Disease
First blood depot
Large amounts of Type O were collected, preserved, and used for wounded soldiers
Introduced plastic blood bag
Fenwal Co.
Charles Drew
Pioneer in plasma preservation and a major contributor to the advancement of blood banking in the US
Suggested cross-matching
Reuben Ottenberg
What is babesiosis?
Disease caused by a protozoan, spread by Ixodes scapularis ticks
American Association of Blood Banks
1 Organized to support and encourage continued blood research
2 Promote exchange of information
3 Develop standards of practice for blood banks
Other term for blood banking
Transfusion medicine
Developed ethanol fractionation
Edwin Cohn
Opened first true blood bank
Chicago’s Cook County Hospital
Preparation before donating blood
1 Have enough rest and sleep
2 No alcohol intake 24 hours prior to blood collection
3 No medications for at least 24 hours prior to blood collection
4 Have something to eat prior to blood donation
5 Drink plenty of fluids
Deferral time for pheresis
48 hours
RBCs are transfused back to the patient
Cell saver
Basic requirements
1 In good health
2 Between 16 to 65 years old (16 and 17 year olds need parents’ consent)
3 Weigh at least 110 pounds
4 Have a blood pressure between
Systolic: 90-160 mmHg
Diastolic: 60-100 mmHg
5 Pass the physical and health history assessments
Advantages of autologous donation
1 Blood that is positive for infectious agents and with irregular blood group antibodies are acceptable
2 Safer than allogeneic blood
3 No criteria for testing
4 No allergic reactions
Screening for blood donation
1 Medical history
2 Physical examination
Spread by Trypanosoma cruzi, triatomine bugs
Chagas’ disease
Reduces need for allogeneic blood transfusion
Cell saver
What to do after blood donation?
1 Drink plenty of fluids
2 Refrain from stooping down after blood donation
3 Refrain from strenuous activities
4 Avoid using the punctured arm in lifting heavy objects
5 Apply pressure on the punctured site and lift the arm in case the site is still bleeding
6 If there is discoloration and swelling on the punctured site, you may apply cold compress for 24 hours
7 If there is dizziness, lie down with your feet elevated and drink plenty of fluids
Amount of blood to be drawn
Allowable amount (mL) = (donor’s weight in pounds x 450 mL)/110 mL
Three methods of using patient’s blood
1 Hemodilution
2 Cell saver
3 Wound drainage
Discovered Rh group
Alexander Wiener
Steps in donating blood
1 Have your weight taken
2 Register and complete the donor registration form truthfully
3 Have your blood type and hemoglobin checked
4 A physician will conduct a blood donor examination
5 Actual donation (350 or 450 cc)
6 After donation: 5 to 10 minute rest and plenty of fluid intake
African sleeping sickness
Trypanosoma brucei, tsetse fly
History of heart disease, active pulmonary disease, cancer, leukemia, lymphoma
Deferred
Medical history
1 Donated blood
2 Antibiotics for acne are acceptable
3 History of heart disease, active pulmonary disease, cancer, leukemia, lymphoma
4 History of hepatitis after 11th birthday
5 History of babesios and Chagas’ disease
6 African sleeping sickness
7 Creutzfeldt-Jakob disease
8 Male having sex with men since 1977
Plasmapheresis
Separation and withdrawal of plasma
Temperature
Less than or equal to 37.5 Celsius
Poison ivy and other rashes
Acceptable
Hemoglobin
Greater than or equal to 12.5 g/dL
Blood from surgery is recovered, mixed with saline and anticoagulant, centrifuged, and washed
Cell saver
Blood is collected from cavities
Wound drainage
Pulse
50-100 BPM
Usual granulocytes harvested
1 Basophils
2 Eosinophils
3 Neutrophils
Destroys WBCs that cause TA-GvHD
Gamma irradiation
Previously collected higher hematocrit blood is transfused back to the patient after surgery
Hemodilution
General appearance
1 No cough
2 Not under the influence of drugs or alcohol
3 Normal skin color
4 No signs of skin infection, rash, enlarged lymph nodes