Autor: |
Hiroshi Iwakura, Tomoyuki Takagi, Hidefumi Inaba, Asako Doi, Yoko Ueda, Shinsuke Uraki, Ken Takeshima, Yasushi Furukawa, Tatsuya Ishibashi, Shuhei Morita, Shohei Matsuno, Masahiro Nishi, Hiroto Furuta, Taka-aki Matsuoka, Takashi Akamizu |
Jazyk: |
angličtina |
Rok vydání: |
2023 |
Předmět: |
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Zdroj: |
BMC Endocrine Disorders, Vol 23, Iss 1, Pp 1-8 (2023) |
Druh dokumentu: |
article |
ISSN: |
1472-6823 |
DOI: |
10.1186/s12902-023-01393-4 |
Popis: |
Abstract Background The higher prevalence of thyroid dysfunction in type 1 diabetes patients has been well established, whereas it is a matter of debate whether that is also observed in type 2 diabetes patients. This study was conducted to reveal whether higher prevalence of thyroid dysfunction is observed in patients with type 2 diabetes. Methods We examined thyroid functions and thyroid autoantibodies in 200 patients with type 2 diabetes and 225 controls, with 24 months follow up for those with type 2 diabetes. Results Serum free triiodothyronine (fT3) levels and fT3/free thyroxine (fT4) ratio were significantly lower, while fT4 levels were significantly higher in patients with type 2 diabetes. The number of patients with thyroid dysfunction or patients positive for thyroid autoantibodies were not different between the two groups. The fT3/fT4 ratio was positively and negatively correlated with serum c-peptide and HbA1c levels, respectively, suggesting that the difference can be attributable to insulin resistance and diabetic control. In the follow-up observation, we found no significant correlation between basal thyrotropin (TSH), fT3, fT4 or fT3/fT4 ratio with the amounts of changes of HbA1c levels at 12 or 24 months after the basal measurements. There was a negative relationship between TSH levels and eGFR at baseline measurements, but TSH levels did not seem to predict future decline of eGFR levels. No relationship was observed between urine albumin/ g‧cre levels and thyroid function. Conclusion Thyroid dysfunction and thyroid autoantibodies were not different in prevalence between patients with type 2 diabetes and controls, although in patients with type 2 diabetes, the fT3/fT4 ratio was decreased. Basal thyroid function did not predict future diabetes control or renal function within 24 months of follow-up. |
Databáze: |
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