Abstract
Background: This study investigated relationship between multiple thyroid disorders and benign paroxysmal positional vertigo (BPPV), adjusting for levothyroxine medication. Methods: The Korean National Health Insurance Service-Health Screening Cohort data from 2002 to 2015 were used. A total of 19,071 patients with BPPV were matched with 76,284 participants of a control group in a ratio of 1:4 for age, sex, income, and region of residence. The previous histories of thyroid disorders such as goiter, hypothyroidism, thyroiditis, hyperthyroidism, and autoimmune thyroiditis were investigated in both the BPPV and control groups. The odds ratios (ORs) for BPPV in thyroid diseases were calculated using conditional logistic regression analyses. Results: The histories of goiter (5.5% vs. 4.1%), hypothyroidism (4.7% vs. 3.7%), thyroiditis (2.1% vs. 1.6%), and hyperthyroidism (3.1% vs. 2.5%) were higher in the BPPV group than in the control group (all p < 0.001). Goiter, hypothyroidism, thyroiditis, and hyperthyroidism were associated with BPPV (adjusted OR = 1.28 (95% CI = 1.17–1.39) for goiter, 1.23 (95% CI = 1.10–1.37) for hypothyroidism, 1.13 (95% CI = 1.02–1.26) for hyperthyroidism, each p < 0.05). Conclusions: BPPV was associated with thyroid disorders such as goiter, hypothyroidism, thyroiditis, and hyperthyroidism.
Highlights
The thyroid hormone plays pivotal roles in physical development, neural differentiation, and metabolic regulation [1]
The rates of thyroid diseases such as thyroid cancer, goiter, hypothyroidism, thyroiditis, and hyperthyroidism were higher in the benign paroxysmal positional vertigo (BPPV) group than in the control group, except for autoimmune thyroiditis (Table 1)
The odds for BPPV increased in patients with a history of thyroid diseases, except for autoimmune thyroiditis (Table 2)
Summary
The thyroid hormone plays pivotal roles in physical development, neural differentiation, and metabolic regulation [1]. Thyroid dysfunction of hypothyroidism and/or hyperthyroidism has been reported to be associated with other metabolic diseases like diabetes and dyslipidemia, cardiovascular disease, and audiovestibular disorders [7,8,9,10]. A few previous studies have reported the association of vestibular disorders of Ménière disease and benign paroxysmal positional vertigo (BPPV) with thyroid disorders [11,12]. This study investigated relationship between multiple thyroid disorders and benign paroxysmal positional vertigo (BPPV), adjusting for levothyroxine medication. The previous histories of thyroid disorders such as goiter, hypothyroidism, thyroiditis, hyperthyroidism, and autoimmune thyroiditis were investigated in both the BPPV and control groups. Results: The histories of goiter (5.5% vs 4.1%), hypothyroidism (4.7% vs 3.7%), thyroiditis (2.1% vs 1.6%), and hyperthyroidism (3.1% vs 2.5%) were higher in the BPPV group than in the control group (all p < 0.001). Conclusions: BPPV was associated with thyroid disorders such as goiter, hypothyroidism, thyroiditis, and hyperthyroidism
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