Thyroid disease in insulin-treated patients with type 2 diabetes: a retrospective study


Diabetes mellitus and thyroid diseases frequently coexist. In order to evaluate how thyroid disorders interfere with glycemic control, we analysed insulin-treated type 2 diabetes patients with thyroid disease.

Methods:
Diabetes patients (n = 1.957) were retrospectively investigated.

We focused on type 2 diabetes patients who had been admitted for insulin-treatment and diagnosed thyroid diseases (n = 328). Patients were divided into three groups according to thyroid disease manifestation in relation to diabetes onset: prior to (group 1), same year (group 2) and thyroid disease following diabetes (group 3).

Results:
Out of all diabetes patients 27.3% had a thyroid disorder with more women (62.2%) being affected (p

Thyroid disease was predominantly diagnosed after diabetes onset. Patients with type 2 diabetes and prior appearance of thyroid disease required insulin therapy significantly earlier (median insulin-free period: 2.5 yrs; Q1 = 0.0, Q3 = 8.25) compared to patients who had thyroid dysfunction after diabetes onset (median insulin-free period: 8.0 yrs; Q1 = 3.0, Q3 = 12.0; p

Age at diabetes onset correlated with insulin-free period (p

Conclusions:
Thyroid disease may be a marker of a distinct metabolic trait in type 2 diabetes potentially requiring earlier insulin treatment.

Author: Valerie WittingDominik BergisDilek SadetKlaus Badenhoop
Credits/Source: Thyroid Research 2014, 7:2

Published on: 2014-03-01

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News Provider: EUPB – European Press Bureau

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