Blood Donation Facts

What is Blood: can be defined as the fluid in our body that carries oxygen from the lungs to every part of the body, and also caries waste products. Blood is that magic potion which gives life to another person. Though we have made tremendous discoveries and interventions in science, we are not yet able to make the magic potion called blood. Human blood has no substitute.

Components of blood

  1. Red blood cells; transport oxygen and carbon dioxide.
  2. White blood cells; fight against infection.
  3. Platelets, responsible for blood clotting.
  4. Plasma 

Components of blood and uses after donation

  1. Red blood cells; anaemia(thalassemia, sickle cell disease, malaria)
  2. Platelets: thrombocytopenia (leukemia, cirrhosis, after chemotherapy)
  3. Plasma: sever bleeding (surgery, trauma, child birth)
  4. Granulocytes: sever neutropenia (after chemotherapy, following bone marrow transplant)

Who can donate?

  • A healthy individual
  • Donor should be between the age of 18-55yrs
  • With a weight of 50kg, with normal pulse, temperature and blood pressure.
  • Age: 18 years or older (16 and 17-year olds must have written parental consent). Parental Consent Form
  • Donation Interval: Minimum of eight weeks between whole blood donations.
  • Blood Pressure: Lower than 140/100 mmHg.
  • Heart Rate (pulse): Between 50 and 100 beats per minute.
  • Body Temperature: normal
  • Blood Count: Hemoglobin for males: 13.0 g/dl or greater. Hemoglobin for females: 12.5 g/dl or greater.
  • Drug Therapy: Use of many or most medications is acceptable, whether obtained “over the counter” or by prescription from your personal physician. 
  • Hepatitis B Immune Globulin (HBIG): T – Acceptable 12 months after last injection.
  • Growth Hormone from Human Pituitary Glands: P – Permanent disqualification.
  • Insulin from Cows (Bovine or Beef Insulin): P – Permanent disqualification.

Who cannot donate blood?

  • A woman menstruating if there PCV (Packed cell volume) and are having heavy bleeds.
  • After consumption of alcohol until 24hours after
  • Recently had jaundice, typhoid, malaria, rubella. etc.
  • Under gone major surgery, avoid donation for 6months
  • Pregnant and lactating mothers
  • An individual with psychotic disorder, abnormal bleeding, cardiovascular disorder, malignancy and epilepsy.
  • Tested positive to HIV, hepatitis b etc.

How much blood can be taken?

  • Our body has 5.5ltr of blood of which only 350-450ml of blood is taken depending upon weight of donor.
  • Body replaces lost blood volume within 48hours after donating, the red blood cells replenish about 4-8weeks later.

What is done with the blood collected?

  • The blood collected is sterile, pyrogen free containers with anticoagulants. This prevents clotting and provides nutrition for the cells. Blood is stored at 2-6c or -20c depending on the component prepared.
  • Donated blood undergoes various tests like blood grouping, anti-body detection, testing of infections like HIV, hepatitis, malaria and before it reaches the recipient undergoes compatibility testing with the recipient blood.

Why donate blood?

  • Every individual has his or her own reason for donating blood.
  • You don’t need a special reason to give blood; you just need your own reason.
  • The number one reasons donors say they give blood is because they ‘want to help others.
  • Whatever your reason is, the need is constant and your contribution is important for a healthy and reliable blood supply. And you will feel good knowing you have helped change a life.

Why should you donate blood?

  • There is no substitute for blood
  • Every 3 seconds someone needs a blood transfusion.
  • Blood is the most precious gift that anyone can give to another person. The gift of life. 
  • Safe blood saves lives and improves health.

Quick facts about blood transfusion

  • Blood transfusion is a simple four steps procedure.
  • An average adult has 10pints of blood in his body.
  • During each donation 1 pint of blood equals 480mls.
  • A healthy donor may donate red blood cells every 3months.
  • There are 4 transferable products that can be derived from blood, red blood cells, plasma, platelets and cryoprecipitate, hence donation can help save more than one life.
  • O negative blood type is known as the universal blood type and can be given to any other blood type.
  • According to studies published in the America journal of epidemiology, blood donors are 33% less likely to suffer a cardiovascular disease, 88% less likely to suffer a heart attack.

Life span of blood stored after donation

  • Whole blood – 35days
  • RBC- 42days
  • Platelets – 5days
  • Frozen plasma – 1 year

Benefits of blood donation.

  1. Prevents Hemochromatosis
  2. Maintains Healthy Heart & Liver
  3. Anti-cancer Benefits
  4. Weight loss
  5. Stimulates Blood Cell Production

Leave a Reply

Your email address will not be published. Required fields are marked *