Radioiodine Treatment for Feline Hyperthroidism

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We are pleased to be able to offer a radioiodine service for feline hyperthyroidism at Chestergates Veterinary Specialists. 

This is led by our internal medicine specialist vets Ellie Mardell, Barbara Gallagher & Pauline Jamieson. We are currently the only specialist referral centre in the North West able to offer this service.
Hyperthroidism is a common condition in older cats, which means that the thyroid gland is producing too much thyroid hormone.

Signs of hyperthyroidism

  • weight loss despite an increased appetite
  • increased thirst
  • vomiting and diarrhoea
  • increased activity levels
  • unkempt appearance
     

    A blood test can identify the condition. If left untreated, hyperthyroidism can adversely affect the heart and the kidneys and can cause high blood pressure

    Benefits of radioiodine (RI) treatment

  • Permanent cure in 95% of cases
  • All over-active thyroid tissue is treated (including ectopic)
  • No general anaesthetic required
  • No risk of hypocalcaemia post-treatment
  • Normal (atrophied) thyroid tissue is spared
  • Reduced requirement for long term monitoring of thyroid status

    Potential risks of treatment;

  • Small percentage of cats become hypothyroid and also azotaemic, requiring thyroxine supplementation
  • Handling of the patient is somewhat restricted meaning that high dependency cats are not always suitable candidates
  • Kidney disease can become apparent following treatment (this is usually predictable if the patient has completed a medical management trial and assessment as above)
  • Note that conventional dose RI treatment is ineffective for thyroid carcinomas
  • http://www.vetedit.com/images/filetypeicons/16x16/pdf.png Radioioodine treatment for feline hyperthyroidism
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    http://www.vetedit.com/images/filetypeicons/16x16/pdf.png Radioiodine questions and answers for owners
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