Difference between revisions of "Blood Groups - Dog"

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==Introduction==
 
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The most widely used blood grouping system is the '''Dog Erythrocyte Antigen system (DEA)''' and within this system eight blood groups exist.
 
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DEA 1 (DEA 1.1 DEA 1.2), DEA2 - DEA 7.
 
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Often Rottweilers, Labradors and Golden retrievers have DEA 1.1 or DEA 1.2 positive blood types and Greyhounds and German Shepherd Dogs are frequently DEA 1.1 and DEA 1.2 negative. For this reason greyhounds are commonly used as donors.
 
  
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==Alloantibodies==
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{| cellpadding="10" cellspacing="0" border="1"
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Unlike [[Blood Groups - Cat|cats]] dogs do not have natural alloantibodies against other blood groups.
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| See also:
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There is no major risk for the first transfusion, unlike the cat, compatibility tests are not required for the dogs first blood transfusion.
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|'''[[Transfusion Medicine - Introduction|Transfusion Medicine - Introduction]]<br>[[Blood Collection for Transfusion|Blood Collection for Transfusion]]<br>[[Blood Groups - Cat|Blood Groups - Cat ]]'''
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Alloantibodies form within 5-7 days of the first transfusion and consequently if a second transfusion is required 5 days later than the original transfusion compatibility tests are necessary.
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|}
  
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Blood typing can be carried out using commercial in house kits or can be sent away to a reference laboratory.
 
  
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Dogs can be positve for one of  DEA 1.1 or DEA 1.2 or negative for both DEA 1.1 and 1.2.
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The most widely used blood grouping system is the Dog Erythrocyte Antigen system (DEA)and within this system eight blood groups exist.
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DEA 1.1 and DEA 1.2 are the most antigenic and hence ideally a donor would be DEA 1.1 and DEA 1.2 negative.  
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DEA 1 (DEA 1.1 DEA 1.2), DEA2 - DEA 7.  
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Often Rottweilers, Labradors and Golden retrivers have DEA 1.1 or DEA 1.2 blood types and Greyhounds and German Shepherd Dogs are frequently DEA 1.1 and DEA 1.2 negative.
  
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Transfusion reactions can occur when DEA 1.1 and 1.2 negative dogs receive DEA 1.1 or 1.2 positive blood.  
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==Alloantibodies==
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Unlike [[Blood Groups - Cat|cats]] dogs do not have natural alloantibodies against other blood groups unless a transfusion has been performed.
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There is no major risk for the first transfusion and consequently unlike the cat compatibility tests are not required.
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Following the first transfusion of blood, alloantibodies form within 5-7 days. If a second tranfusion is required 5 days later than the original transfusion compatibility tests are required.
  
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[[Neonatal Isoerythrolysis|Neonatal isoerythrolysis]] can also occur in dogs. This happens when a DEA 1.1  negative female which has previously been sensitised to DEA 1.1 positive blood is mated to a DEA 1.1 positive male.
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DEA 1.1 and DEA 1.2 are the most antigenic.
  
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Ideally a donor would be DEA 1.1 and DEA 1.2 negative.
  
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{| cellpadding="10" cellspacing="0" border="1"
 
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| See also:
 
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|'''[[Indications for Blood Transfusions]]<br>[[Administering a Blood Transfusion]]<br>[[Blood Groups - Cat|Blood Groups - Cat ]] <br>[[Blood Groups|Blood Groups]]<br>[[Blood Products|Blood Products]]'''
 
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|}
 
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==References==
 
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Transfusion Therapy. Lymphoreticular and Haematology module. 4th year notes. Royal Veterinary College London. 2009.
 
  
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'''Selected Topics in Canine and Feline Emergency Medicine'''. Volume 1. Handbook for the veterinary practitioner. ''Royal Canin''.
 
 
[[Category:Transfusion Medicine]]
 
[[Category:Transfusion Medicine]]
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[[Category:Dog - Cardiovascular System]]
 

Revision as of 13:19, 14 August 2010


 This article is still under construction.


See also: Transfusion Medicine - Introduction
Blood Collection for Transfusion
Blood Groups - Cat


The most widely used blood grouping system is the Dog Erythrocyte Antigen system (DEA)and within this system eight blood groups exist. DEA 1 (DEA 1.1 DEA 1.2), DEA2 - DEA 7. Often Rottweilers, Labradors and Golden retrivers have DEA 1.1 or DEA 1.2 blood types and Greyhounds and German Shepherd Dogs are frequently DEA 1.1 and DEA 1.2 negative.

Alloantibodies

Unlike cats dogs do not have natural alloantibodies against other blood groups unless a transfusion has been performed. There is no major risk for the first transfusion and consequently unlike the cat compatibility tests are not required. Following the first transfusion of blood, alloantibodies form within 5-7 days. If a second tranfusion is required 5 days later than the original transfusion compatibility tests are required.

DEA 1.1 and DEA 1.2 are the most antigenic.

Ideally a donor would be DEA 1.1 and DEA 1.2 negative.

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