All About Blood Banks For Dogs And Cats
With the growing demand for more surgery and the increased use of transfusion therapy to treat different kinds of diseases, there is indeed a great need for blood bank programs to supply life-saving blood components whenever and wherever they are needed. Before there were animal blood banks, Veterinarians had to use their own dogs, dogs owned by their staff, or even dogs borrowed from their clients as blood donors.
Blood banks for animals depend on animal blood donors for their supply of blood products as human blood banks depend on human blood donors. Animal blood is donated to the specie it belongs. For example, dogs can receive only dog blood; it is similar to other animals as well. Canines also have blood types just like humans; they have eleven different blood groups. The most important dog blood type is the A1/A2 system. A dog can be considered a universal donor if he/ she has A negative blood type.
Although dogs rarely have isoantibodies against other blood types, it is still recommended that all recipients be cross matched prior to receiving a blood transfusion, especially dogs which have received a previous blood transfusion to make sure that your donor and recipient are compatible.
The major and minor cross matching is the two types of cross-matching tests. If major cross matching is done, red cells from the donor are mixed with serum from the recipient, then it is observed to see if there is a reaction. The recipient cells may attack donor cells and reject them. In the event that there is a major cross-match incompatibility, transfusion shouldn't be done. For a minor cross-match test, the red cells of the recipient are compared with the serum of the donor. If there is a minor cross-match incompatibility, only parts of the donor's blood can be given to the recipient.
Potential dog donors should be healthy, have no history of metabolic or heart disease or seizures, has a lean body weight of greater than 50 kg, 1-7 years old, should not be on any medication, except for heartworm and parasite preventatives. They should also have a good temperament, have been neutered and nulliparous, and have jugular veins that can be visualized and palpated easily and are current on vaccines. Because of the amenable disposition and high PCV of Greyhounds, they have been promoted as ideal blood donors.
As with human donors, screening is done to the animal donor's blood for metabolic and infectious diseases after blood type determination. The following labs are done: CBC, biochemical profile, U/A, fecal exam, von Willebrand's factor, and testing for Dirofilaria immiti, Ehrlichia canis, Babesia canis, B. gibsoni, Brucella canis (in intact or previously bred dogs), and Bartonella.
Blood donation takes more or less 30 minutes. Prior to going to the donation center, special preparations like fasting is not required, sedation of donors is not also necessary. During the blood donation, the donor is put on a table. In order to expose the skin over the vein to be punctured, there is a need to shave a small patch of hair on the neck. Then the area is cleansed with alcohol. Inserting a needle into the jugular vein, which is a large vein in the neck, collects blood. The blood that goes into the needle goes through a tube, and then it is collected into the collection bag. After the procedure, pressure is applied on the punctured site to stop any bleeding; a mild bruise may be present at the site.
To replenish fluids and nutrients, water and food are given. Right after the donation, the dog's system starts to replace the blood immediately by producing new red blood cells. As with human blood donors, it is advised that strenuous activities should be avoided for the next 24 hours after donating. A waiting period of at least two months is needed before the next blood donation. By that time, blood volume and red blood cell count is back to normal.
As soon as they have made their donation, animal donors are compensated with various gifts and treats. They may be rewarded with a tag that identifies him or her as a blood donor, edible rewards that may include dog biscuits, a jar of baby food, a can or a bag of dog food, brand new toys and cool donor bandanas.
Blood banks collect blood from a donor and then separate the blood into components - either red blood cells, platelets or plasma. Red cells are given to a recipient that may be anemic due to trauma or due to a treatable disease. Plasma is used to build up blood volume when the animal is not making enough or is losing too much protein. Platelet-rich plasma is for those recipients whose platelets are depleted or dysfunctional.
There are now several world animal blood banks that supply blood products to Veterinary hospitals. Most have been opened for business within the past decade. Dog owners have responded with enthusiasm to the plea for blood donations and every year, the blood bank processes roughly 2,000 units of blood donated by dogs brought in to the bank at the Veterinary hospital and to the bank's bloodmobile, which visits Veterinary clinics and kennel clubs.
Other regional blood banks rely entirely on the generous and caring people who enroll their pets in blood donor programs. These animal blood banks hold drives to find new volunteer donors and encourage them to donate just like the Red Cross and other health organizations do to acquire human blood donations.
If you would you like your pet to be a life-saver of other pets, and that they fit the requirements to be a volunteer donor, check out the where regional blood banks for dogs and cats or the list of Veterinary Hospitals and University Veterinary Medical Centers are located and contact the one nearest you. You can also inquire about animal blood donor programs during your next visit to the veterinarian.
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