Morris Animal Foundation Study Helps Cats With Blood Clots

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Guest post by Katie Friedson on behalf of Morris Animal Foundation

Blood clots are a potentially deadly complication of heart disease. These clots can form when changes in the shape of the heart walls cause blood to move through the heart in an abnormal flow pattern, leaving stagnant spots were coagulation can occur. The vast majority of these clots lodge at the very end of the aorta, the biggest artery in the body, where it branches off to supply the rear legs and tail. When this happens, the affected cat will be literally fine one second and paralyzed the next. The pain is excruciating. This is a life-threatening crisis with a very poor prognosis for survival. It is a frightening scenario for any cat guardian.

It is estimated that between 200,000 and 600,000 cats develop blood clots every year. Only one third will survive the first blood clot, and many are likely to have a recurrence.

A cat named Midnight was luckier than most. Midnight had a blood clot which led to limb amputation. Midnight joined a Morris Animal Foundation funded clinical trial—the feline arterial thromboembolism study, also known as the “FAT” cat study.

Dr. Daniel Hogan led the trial by looking into the efficacy of two drugs which are widely used for the treatment of blood clots in humans, Plavix and aspirin. Plavix was found to be the most effective; cats on Plavix were able to live an average of a year past their first blood clot.

“Midnight got a second lease on life,” said Midnight’s guardian, Dru Sawyer. “Despite losing a leg, soon he was running, climbing and playing with the other cats. Dr. Hogan’s study gave him a new option to be helped and to live.” Midnight considerably exceeded his estimated prognosis of three months: he lived for an additional six years because of Plavix. He died from unrelated causes.

This study is only one of many funded by Morris Animal Foundation, a nonprofit organization that invests in science that advances veterinary medicine for companion animals, horses and wildlife. Studies funded by the foundation have helped to discover a better diet for diabetic cats, improve management of respiratory illness in shelters, and develop tools to better diagnose and treat cats with inflammatory bowel disease and gastrointestinal cancer.

For more information about Morris Animal Foundation, and to donate to support their efforts, please visit http://www.MorrisAnimalFoundation.org.

Photo of Midnight courtesy of Morris Animal Foundation, used with permission.

3 Comments on Morris Animal Foundation Study Helps Cats With Blood Clots

  1. Sue Brandes
    January 22, 2014 at 7:59 pm (6 years ago)

    Very imformative. I had no idea that many cats got blood clots. Kind of scary to think about. Good info to know though. Thank you for this post.

    Reply
  2. Viki Worden
    January 22, 2014 at 9:39 am (6 years ago)

    I have to say that this article made me anxious. I don’t like to think of my cats getting anything like that. I do know it’s possible and it is good to be informed, even if it is depressing, etc. I may look at their website because i have a kitty with IBD. He also has allergies and gastrointestinal problems besides the IBD. I have worked with the vet trying to find food for him. I finally found a diet that seems to work. I don’t like to waiver from it because I am afraid of what would happen. I almost lost him once because of it.

    Reply
    • Ingrid
      January 22, 2014 at 4:38 pm (6 years ago)

      I can understand that you don’t want to change your kitty’s diet if he’s doing well on it, Viki.

      Reply

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