Peer-reviewed veterinary case report
How common are growth hormone and thyroid problems in diabetic cats
By Miceli, Diego D et al.·Published in Journal of feline medicine and surgery·2023·Institute of Experimental Biology and Medicine - CONICET·View original on PubMed →
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Original publication title: Prevalence of hypersomatotropism and hyperthyroidism in cats with diabetes mellitus from referral centers in Buenos Aires (2020-2022).
- Species:
- cat
Plain-English summary
A group of 154 diabetic cats from Buenos Aires was tested for two common hormonal issues: hypersomatotropism (HST), which can cause growth problems, and hyperthyroidism, which affects metabolism. Out of these cats, about 15% had HST, with some showing signs like enlarged pituitary glands and changes in appearance. Only a small number, about 2.5%, had hyperthyroidism. This study highlights that while HST is fairly common in diabetic cats, hyperthyroidism is quite rare in this group.
People also search for: cat diabetes symptoms · hypersomatotropism in cats · hyperthyroidism treatment for cats · signs of acromegaly in cats · diabetic cat care tips
Abstract
OBJECTIVES: The aim of this study was to estimate the prevalence of hypersomatotropism (HST) and hyperthyroidism in cats with diabetes mellitus (DM) from referral centers in Buenos Aires, Argentina. METHODS: This was a prospective study. Systematic screening of serum insulin-like growth factor 1 (IGF-1) and total thyroxine was performed in all cats diagnosed with DM at referral centers in Buenos Aires between February 2020 and February 2022. RESULTS: In total, 154 diabetic cats were evaluated (99 males and 55 females; median age 12 years [range 3-21]; mean body weight 5 kg [range 2-12]). Altogether, there were 115 (75%) domestic shorthairs and one domestic longhair; the remaining 38 cats were purebred (mainly Siamese, n = 25 [16%]). Twenty (12.9%) cats had IGF-1 concentrations >1000 ng/ml, and three (1.9%) had IGF-1 concentrations between 800 and 1000 ng/ml along with pituitary enlargement on CT, resulting in a 14.9% HST prevalence rate in diabetic cats. Intracranial imaging was performed in all cats with HST; median pituitary dorsoventral height was 5.8 mm (range 3.1-9.5). Fourteen of 23 (61%) cats had phenotypic changes consistent with acromegaly at the time of diagnosis of HST. Four of 154 (2.5%) cats had concurrent hyperthyroidism. CONCLUSIONS AND RELEVANCE: To date, this is the first study outside of Europe to have evaluated the prevalence of HST and hyperthyroidism in cats with DM. In Buenos Aires referral centers, feline HST is the most common concurrent endocrinopathy in cats with DM but with a lower prevalence than has previously been reported. Hyperthyroidism is a rare concurrent endocrinopathy in diabetic cats from referral centers in Buenos Aires.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/36779783/