ENT Updates

Clinical Research

Balance disorders and hypothyroidism: A rare cause worth remembering

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Kul, A., Bilen, A., Bilge, N., Sarıhan, K., Uzkeser, H., Dayanan, R., & Baygutalp, F. (2019). Balance disorders and hypothyroidism: A rare cause worth remembering. ENT Updates, 9(3). https://doi.org/10.32448/entupdates.633311

Authors

  • Ayhan Kul
    Department of Physical Medicine and Rehabilitation, Medical Faculty of Atatürk University, Erzurum, Turkey
  • Arzu Bilen Department of Endocrinology and Metabolic Diseases, Internal Medicine, Medical Faculty of Atatürk University, Erzurum, Turkey
  • Nuray Bilge Department of Neurology, Medical Faculty of Atatürk University, Erzurum, Turkey
  • Köksal Sarıhan Department of Physical Medicine and Rehabilitation, Medical Faculty of Atatürk University, Erzurum, Turkey
  • Hülya Uzkeser Department of Physical Medicine and Rehabilitation, Medical Faculty of Atatürk University, Erzurum, Turkey
  • Ramazan Dayanan Department of Endocrinology and Metabolic Diseases, Internal Medicine, Medical Faculty of Atatürk University, Erzurum, Turkey
  • Fatih Baygutalp Department of Physical Medicine and Rehabilitation, Medical Faculty of Atatürk University, Erzurum, Turkey

Objective: This study aimed to evaluate balance disorders and potential risk factors for falling in patients with hypothyroidism, as well as postural stability and the risk of falling.

Methods: The participants’ sex, age, body mass index (BMI), falls history in the past one year, and Falls Efficacy Scale - International (FES-I), Neuropathic Pain Diagnostic questionnaire (DN4) and clinical symptoms were recorded. The stability index (SI), weight distribution index (WDI) and falls risk analysis were performed for postural stability by objective computerised dynamic posturography.

Results: 50 patients were matched for age and sex (mean age:41.7±11 years; age range:19-61 years) with 47 healthy (euthyroid) controls (mean age:39±9.6 years; age range:23-60 years). All SI, HL-WDI and falls risk scores, except FES-I, DN4 and NO-SI, were significantly higher in the patient group. In addition, other symptoms were present at a higher rate, with the exception of morning stiffness (p0.05). However, there was a slight positive correlation between the existence of paraesthetic symptoms, a history of falling, and the overall SI and HLWDI values (r>0.3 and p<0.05).

Conclusions: It was determined that, as postural stability is affected in cases of hypothyroidism, balance becomes disordered and the risk of falls increases. This increase in the risk of falls was associated with being hypothyroid, but not with FT4 or TSH levels or the other factors evaluated.

Keywords:

Hypothyroidism postural balance falling