Quote:
Originally Posted by Rig-Rat
So the hound (2) is in the pet hospital, with what they are sure is IMHA even though he has been tested twice and both tests show negative.
Has anyone dealt with this before? It's costly as if he needs a blood transfusion, that's $1000 a treatment. Was it successful? Did the pup recover? Just trying to figure how far to run this. At only 2 I feel I have to try, and he is a therapy dog for my boy.
Just getting a lot of not sure's from the vet. Maybe a second opinion might be in order.
Lot's of dog folks here, so maybe someone has been through this.
Thanks folks, have a great day.,
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I know of 2 dogs one they decided against treatment due to how far a long and the less than 50% chance.The other one did and she seems to have recovered but I know no details.Here is something I pulled up it might be useful .Healing thoughts to you guys and the pup.
Additional Helpful Tests
Coomb’s Test Called a Direct Antibody Test)
If a patient is anemic, icteric, has spherocytes (or worse, autoagglutination) on a blood smear, it is pretty obvious that there is immune-mediated hemolytic anemia. Sometimes, though, it is not so obvious and additional testing is needed. This is exactly where the Coomb's test could be used.
This is a test designed to identify antibodies coating red blood cell surfaces. If there is ambiguity in the patient's presentation, the Coomb's test might be selected to confirm that the anemia is really immune-mediated and not the result of a bleed or non-immune mediated origin such as zinc toxicity, or onion/garlic toxicity.
The Coomb's test has been around a long time and is not perfect. It can be erroneously positive in the presence of inflammation or infectious disease (which might lead to harmless attachment of antibody to red cell surfaces) or in the event of prior blood transfusion (ultimately transfused red cells are removed from the immune system). Despite its limitations, the Coomb's test is helpful in clinching the IMHA diagnosis if other findings are confusing.
Serum Lactate Levels
Lactate or Lactic acid is the natural by-product of anaerobic metabolism. In other words, when the body's organs are deprived of oxygen (say, because there aren't enough functioning red blood cells circulating or there are agglutinated red blood cells clogging the capillaries), the organs will switch to anaerobic metabolism. Lots of lactate circulating means lots of tissue does not have enough oxygen, and it is a bad sign. It is such a bad sign that it can be used to predict disease survivors within the first several hours of hospitalization.
In a study of 173 dogs with IMHA (Holahan et al), non-survivors had significantly higher lactate levels at presentation compared to survivors. Dogs that were able to normalize serum lactate levels within 6 hours of hospitalization all survived. Many hospitals monitor lactate levels in IMHA patients as part of the regular assessment of ability to oxygenate tissue.
Testing for Blood Parasites
In most canine episodes of IMHA, an underlying cause cannot be found but it is still worth looking. There are many blood parasites, especially tick-borne infections, that can initiate IMHA. The parasite attaches to the red blood cell and its structures are detected by the immune system. The immune system attacks the parasite but, unfortunately, also attacks the red blood cells as well. Parasites such as Ehrlichia, Babesia, and Anaplasma should be ruled out. If a blood parasite is confirmed, a more targeted therapy can be effected.
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