Searchable abstracts of presentations at key conferences in endocrinology
Endocrine Abstracts (2015) 37 EP932 | DOI: 10.1530/endoabs.37.EP932

ECE2015 Eposter Presentations Thyroid (non-cancer) (160 abstracts)

Fibromyalgia in patients with euthyroid Hashimoto's thyroiditis

Muge Bilge 1 , Mine Adas 2 , Muyesser Nergiz Yanmaz 3 & Aysen Helvaci 1


1Okmeydani Education and Research Hospital, Internal Medicine, Istanbul, Turkey; 2Okmeydani Education and Research Hospital, Endocrinology, Istanbul, Turkey; 3Kemerburgaz University, Rheumatology, Istanbul, Turkey.


Introduction: The aims of this study are to evaluate fibromyalgia (FM) in patients with euthyroid Hashimoto’s throiditis (HT) and whether antithyroperoxidase antibody (TPOAb) positivity is associated with the FM.

Methods: We have studied 167 patients with HT and 83 healthy controls followed in our hospital. Single researcher took the history and did physical examination including manual tender point examination according to Manuel Tender Point Survey instructions. For the diagnosis FM, 2010 American College of Rheumatology Classification Criteria for the FM was used. Thyroid assessment was done by free T4, free T3, TSH, antithyroglobulin antibody (TgAb) and TPOAb. Patients were excluded from the study if they had any other serious disease, and if there was any history of drug use that interferes with the symptoms of FM.

Results: FM was found in 40% (67 out of 167 patients) of in HT patients, in 7% (six out of 83 healthy controls, P<0.001) of controls. The average age was significant higher in patients with FM than controls (43.78±10.48 years vs 40.43±10.52 years, P=0.02). TSH (2.97±2.03 vs 2.20±1.33, P=0.001), TPOAb (240.92±268.6 vs 197.05±288.14, P=0.006) and TgAb levels (300.68±528.79 vs 153.76±411.51, P=0.003) where notable higher in patients with FM, according to patients without FM. Widespread pain index, symptom severity scale and tender point examination showed no significant difference between the patient and control group. On the other hand widespread pain index, symptom severity scale and tender point examination showed a positive correlation with TSH (r: 0.184, P=0.004; r: 0.204, P=0.001; r: 0.167, P=0.009, respectively). Also TgAb showed positive correlation with symptom severity scale (r: 0.168, P=0.02). İncreasing age in patients with HT showed positive relationship with widespread pain index and tender point examination(r=0.193, P=0.012 and r=0.170, P=0.02 respectively).

Conclusion: In our study, euthyroid HT patients showed significantly higher prevalence of FM, as compared to healthy control. This finding support thyroid autoimmunity may influence the development of FM, but the evidence which support that FM is related to autoimmune aetiology is not clear, and FM severity may not be affected by the presence of thyroid autoantibody.

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