Sung Kyun Kim1, Seok Min Hong1, Il-Seok Park1, Hyo Geun Choi2. 1. Department of Otorhinolaryngology-Head & Neck Surgery, Hallym University College of Medicine, Dongtan, South Korea. 2. Department of Otorhinolaryngology-Head & Neck Surgery, Hallym University College of Medicine, Anyang, South Korea.
Abstract
Importance: Patients with migraine often experience various types of vertigo, and several studies have suggested an epidemiologic and physiologic association of migraine and vertigo with vestibule. However, few researchers have investigated the association between migraine and benign paroxysmal positional vertigo (BPPV). Objective: To determine the incidence of BPPV in individuals with migraine in a large national population-based sample. Design, Setting, and Participants: This cohort study obtained data from the Korean Health Insurance Review and Assessment Service covering the period January 1, 2002, through December 31, 2013. These data included personal information, health insurance claim codes, diagnostic codes, death records, socioeconomic data, and medical examination data for each individual in the database. A 1:4 matching method was used to select individuals for the migraine group (n = 40 682) and the control group (n = 162 728). Individuals who had a history of BPPV before the index date, for whom a match could not be identified, and who received a migraine diagnosis before age 20 years were excluded from the analysis. Data analysis was conducted from September 1, 2015, to December 31, 2017. Main Outcomes and Measures: The crude and adjusted (by age, sex, income, region of residence, and medical history [hypertension, diabetes, or dyslipidemia]) hazard ratios for migraine and BPPV were analyzed using the Cox proportional hazards regression model. Results: Of the 40 682 individuals in the migraine group, 10 381 (25.5%) were male and 30 301 (74.5%) were female. Of the 162 728 controls, 41 524 (25.5%) were male and 121 204 (74.5%) were female. The incidence of BPPV was statistically significantly higher in the migraine group than in the control group (2431 [6.0%] vs 3677 [2.3%]). Migraine increased the risk of BPPV (adjusted hazard ratio, 2.54; 95% CI, 2.41-2.68). In a subgroup analysis, the incidence of BPPV in all age groups and in both men and women was statistically significantly higher in the migraine group than in the control group. The incidence of BPPV was the highest in men younger than 40 years (adjusted hazard ratio, 4.49; 95% CI, 3.05-6.62), and the HR decreased in both men and women as age increased. Conclusions and Relevance: Migraine appeared to be statistically significantly associated with higher incidence of BPPV; future studies are needed to determine the association between BPPV and specific factors related to migraine.
Importance: Patients with migraine often experience various types of vertigo, and several studies have suggested an epidemiologic and physiologic association of migraine and vertigo with vestibule. However, few researchers have investigated the association between migraine and benign paroxysmal positional vertigo (BPPV). Objective: To determine the incidence of BPPV in individuals with migraine in a large national population-based sample. Design, Setting, and Participants: This cohort study obtained data from the Korean Health Insurance Review and Assessment Service covering the period January 1, 2002, through December 31, 2013. These data included personal information, health insurance claim codes, diagnostic codes, death records, socioeconomic data, and medical examination data for each individual in the database. A 1:4 matching method was used to select individuals for the migraine group (n = 40 682) and the control group (n = 162 728). Individuals who had a history of BPPV before the index date, for whom a match could not be identified, and who received a migraine diagnosis before age 20 years were excluded from the analysis. Data analysis was conducted from September 1, 2015, to December 31, 2017. Main Outcomes and Measures: The crude and adjusted (by age, sex, income, region of residence, and medical history [hypertension, diabetes, or dyslipidemia]) hazard ratios for migraine and BPPV were analyzed using the Cox proportional hazards regression model. Results: Of the 40 682 individuals in the migraine group, 10 381 (25.5%) were male and 30 301 (74.5%) were female. Of the 162 728 controls, 41 524 (25.5%) were male and 121 204 (74.5%) were female. The incidence of BPPV was statistically significantly higher in the migraine group than in the control group (2431 [6.0%] vs 3677 [2.3%]). Migraine increased the risk of BPPV (adjusted hazard ratio, 2.54; 95% CI, 2.41-2.68). In a subgroup analysis, the incidence of BPPV in all age groups and in both men and women was statistically significantly higher in the migraine group than in the control group. The incidence of BPPV was the highest in men younger than 40 years (adjusted hazard ratio, 4.49; 95% CI, 3.05-6.62), and the HR decreased in both men and women as age increased. Conclusions and Relevance: Migraine appeared to be statistically significantly associated with higher incidence of BPPV; future studies are needed to determine the association between BPPV and specific factors related to migraine.
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