Upon arrival of the radioiodine at the thyroid tissue, the functional thyroid tissue (this is the adenoma in hyperthyroid cats) removes the iodine from the blood stream and concentrates it within the thyroid adenoma cells for use in making thyroid hormones. Cats discharged following radioiodine therapy for hyperthyroidism are still excreting radioactive iodine in their urine. It is as easy as one injection just under the skin, much like a routine feline vaccine. The term “radioactive” may sound frightening, but it is a safe, generally well-tolerated, and reliable treatment that targets thyroid cells so there is little exposure to the rest of your body’s cells. With your cat’s diseased thyroid, after methimazole treatment failed, large doses of iodine might have proven effective. In this environment, there are no distractions for either the person or the cat. Furthermore, while the process of inserting the needle initially seems like the most difficult part of the process, the hardest part about giving subcutaneous fluids is actually preventing the cat from trying to leave the area during the administration process. Second, what little remaining iodine that continues to circulate in the patient's blood stream is rapidly excreted by the kidneys into the urine. First, the radioiodine given to cats with hyperthyroidism is rapidly distributed throughout the cat's body via their blood stream. Typically cats treated with radioiodine in our facility spend a total of 3-6 days with us following the radioiodine therapy. This is comparable to the cost of surgical removal. The only exception to this is cats being treated for thyroid carcinoma that will need to stay a little longer . All rights reserved. This includes the radio iodine itself, the cost of hospitalization, food, litter, and monitoring. Looking for a good resource to help you understand your cat's behavior regarding its use of the litter box or anything else? Radioiodine therapy is the safest and most effective therapy available for cats. Of course there are a few consequences to allowing other feline family members to share a litter box with the post radioiodine therapy cat. This is roughly half of many current doses. Surgical removal of the … The treatment options for hyperthyroidism are: 1. The closet already has a light fixture for illumination, as well as a bar for hanging clothing (or a fluids bag) on. Typically cats treated with radioiodine in our facility spend a total of 3-6 days with us following the radioiodine therapy. Cats receive a single dose of radioactive iodine by either subcutaneous injection or by a capsule given by mouth. Bathrooms or laundry rooms also have the advantage of surfaces that are easily cleaned if some of the fluids leak from the cat during or immediately following the administration. discuss the treatment and answer any questions you may have. Some cats will sense the person's anxiety and simply attempt to hide under the bed or in the back of a crowded closet as a way of escaping the unfamiliar experience. Dr. Mike (from VetVid) shows how to set up subcutaneous fluids for administration to your cat. The dose of I-131 used to treat hyperthyroid cats is very small and people and other animals are at very low risk from the radiation. Your cat's desire to engage in alternative activities like watching the birds in the yard from a favorite window sill may also represent an obstacle to your timely completion of the task of giving the fluids. This isn't always true, but it is true for MOST … Small laundry rooms or bathrooms are good choices. Following collection of the clumps of radioactive waste, the lid can be tightly sealed and the waste held for 3 months (a minimum of 10 half-lives is needed) after which the waste can be disposed of in the regular garbage. The optimal management of hyperthyroid cats with concurrent chronic kidney disease requires the proactive management of their reduced kidney function. Following the release of hyperthyroid cats treated with radioiodine some adjustments in their care are advised for the immediate post-therapy period. I-131 is safe and effective. Treatment of cats for feline hyperthyroidism with Radioactive Iodine (I-131) is the preferred method of therapy (and well as in humans). www.felinehtc.com. Landfills screen all of the waste passing through their entrance gates using stationary geiger counters past which the garbage trucks have to drive. Interestingly the short physical half life of 131I combined with the massive dilutional effects of the sewer system resulted in the ongoing use of the sewer system for this purpose. Radioactive iodine (I-131) is considered the safest treatment available for hyperthyroidism. The majority of cats are discharged 3 days following their radioiodine therapy. Stay at least six feet away from other people, including members of the public, family members, and co-workers, for three to 11 days. The nature of the short physical half-life of 131I prompts consideration of another solution to this situation. Before you watch the following videos keep in mind that the biggest obstacle to successful subcutaneous fluids administration is usually the hesitation and even downright anxiety experienced by the person administering the fluids. Feline hyperthyroidism is easily treated using radioactive iodine (I131). Radio-iodine in human and in veterinary medicine is the gold standard of care, and all other therapies are much less effective and/or dangerous. of Feline Hyperthyroidism cases without any adverse side effects. The goal in treating hyperthyroidism (for benign tumors) is to destroy only the tumor cells in the thyroid and spare the normal thyroid cells. But they’ll need careful handling for a while, to keep everyone safe. Cats were not diagnosed with hyperthyroidism until 1979 and the first report of hyperthyroid cats being treated with radioiodine was published in 1984. I-131 is safe and effective. You will be asked to bring food and any medications that your cat will need while staying with us. How does having another pet at home complicate the management of my hyperthyroid cat upon its return home from its radioiodine therapy? I-131 Therapy (Radioactive Iodine or Radioiodine Therapy) If a cat is a good candidate, radioiodine therapy is considered to be the least invasive and most cost-effective option, requiring only a single subcutaneous injection of a small volume of radioactive iodine. After entering the closet, close the door behind you and spend a few minutes sitting on the floor, giving your cat affection and reassurance before starting the process. Radioiodine therapy itself is NOT associated with causing kidney disease in cats. Choosing a location in which to administer the fluids that is free of distractions, minimizing the need for restraint, is important to the successful completion of the task. under the skin, like a vaccine) and the radioactive iodine is quickly absorbed into the bloodstream. From within the closet, the lack of visually available alternate locations within the home help to limit the likelihood that the cat will attempt to leave. However, the overall success of I-131 for treatment of feline hyperthyroidism depends heavily on proper patient selection and pre-treatment preparation. Some cats with larger tumors require larger radioiodine doses and therefore require longer hospitalization periods prior to release. The art of gentle restraint, relying on large portions of both encouragement and affection is preferable. To understand the default recommendation for litter box management following radioiodine therapy for hyperthyroidism there are a few concepts that one needs to understand. When picking the location to administer the fluids keep in mind that your cat may initially be apprehensive about the experience. Feline Hyperthyroid Treatment Center, Shoreline, Tacoma Washington. A significant percentage of cats with hyperthyroidism (roughly 30%) have concurrent chronic kidney disease. The cost for radio iodine therapy is generally a total fee of $1100. Iodine is an element required for normal health and is primarily used by the thyroid gland to produce thyroid hormones. Chronic kidney disease is common in geriatric cats and is currently the single leading cause of death in cats as a whole. This wonderful ebook is available for download at the iBooks bookstore. However, they will be radioactive to some degree for 82 days following treatment. Identification of the source of the radioactive material in the waste has the potential to lead to various mandated responses which can include the application of fines. Excessive restraint is guaranteed to make your cat more anxious, almost certainly leading to an escalation of escape behaviors that can rapidly culminate in the need for rodeo-style animal wrangling. This single treatment will cure 95-98% of cats. It’s true. In 1984, when radioiodine therapy for hyperthyroid cats was introduced, regulatory agencies responded by requiring that hyperthyroid cats' radioactive waste be flushed into he sanitary sewer system just like their human care providers. As a result, the default recommendation for managing the litter box contents of hyperthyroid cats treated with radioiodine is to flush the waste into the sanitary sewer. And cats with hyperthyroidism are generally stressed by their disease and hence primed to over react to changes in their environment. So, for 43 years, the only patients treated with radioiodine were humans who flushed toilets. Consider administering the fluids in a relatively small and contained location. As a result clients need to utilize appropriate oversight to prevent canine family members for consuming the litter box contents for the interval after radioiodine therapy during which the cats' urine is still radioactive. Radioactive Iodine (I-131) Therapy. Studies have shown that radio-iodine patients live 2-3 times longer than methimazole treated patients, while the overall costs are 2-4 times higher for methimazole treated patients. Also keep in mind that the rate at which the fluids enter the subcutaneous space of the cat are directly proportional to the height differential between the bag and the cat. This is a simple injection given Perhaps the best location for subcutaneous fluids administration is a small, empty space like an empty clothes closet. A reliable, clumping litter should be used to minimize the potential for nonradioactive patients interacting with radioactive waste in the box. Some cats have spent over a decade fine tuning their litter box material preferences and will react negatively, read eliminate elsewhere, if a sudden change in litter box filler (e.g., flushable litter) is forced on them. Radioiodine therapy is curative for the majority of cats and has few direct contraindications. Attempting to administer the fluids on the countertop in an open-style kitchen or on a dining room table or even a couch may present the cat with a large variety of immediately available alternative destinations.
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