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Old October 13th, 2007, 11:15 PM
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growler~GateKeeper growler~GateKeeper is offline
Join Date: May 2007
Posts: 17,348
Chico from this quote is seems like any kind of treatment (meds/surgery/RaId) for HyperT can result in CRF esp since most cats with HyperT are not treated with RaId because of the cost & availability of this treatment.

Hyperthyroidism and chronic renal failure (CRF) are both common diseases of older cats. Hyperthyroidism increases GFR (Glomerular Filtration Rate) by a variety of physiologic effects. Chronic renal failure can suppress total T4 concentrations in cats with concurrent hyperthyroidism, and free T4 is not a useful distinguishing test. Medical therapy (ie, methimazole) is recommended in cats with pre-existing CRF. Overt renal failure occurs in approximately 30% of cats treated for hyperthyroidism. It usually occurs within one month of treatment and tends to remain mild and stable over time. There is no practical way to predict which cats will develop CRF after treatment of hyperthyroidism, although GFR measurement does seem useful.
Good luck w/Rocky @ the vets Monday

I made the decision re the Rabies vaccine & made the appt for end of the month for the poke
Avoid biting when a simple growl will do

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