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The American journal of the medical sciences, 2017-03, Vol.353 (3), p.197-206
Ort / Verlag
United States: Elsevier Inc
Erscheinungsjahr
2017
Link zum Volltext
Quelle
MEDLINE
Beschreibungen/Notizen
Abstract Background Primary headaches include migraines, tension-type headaches and other primary headache syndromes. Migraines and tension-type headaches are associated with patient discomfort and other diseases. Aim This study aimed to investigate the association between primary headaches and the risk of developing dementia, and to clarify the association between different types of headaches and dementia. Design A nationwide matched cohort population-based study. Method A total of 3,620 patients with newly diagnosed primary headaches, including migraines and tension-type headaches, between 1 January and 31 December 2000 were selected from the National Health Insurance Research Database of Taiwan, along with 10,860 controls matched for gender and age. After adjusting for confounding factors, Fine and Gray′s competing risk analysis was used to compare the risk of developing dementia during 10 years of follow-up. Results Of the study subjects, 170 (4.70 %) developed dementia compared to 433 (3.99 %) of the controls. Fine and Gray′s competing risk analysis revealed that the study subjects were more likely to develop dementia (hazard ratio [HR]: 2.057, 95% CI = 1.718–2.462, p < 0.001). After adjusting for gender, age, monthly income, urbanization level, geographic region of residence, and comorbidities, the HR for dementia was 2.048 (95% CI: 1.705–2.461, p < 0.001). Migraines and tension-type headaches were associated with non-vascular dementia but not vascular dementia. Conclusions The patients with headaches had a 105% increased risk of dementia. Further studies are needed to elucidate the underlying mechanisms.