2017
DOI: 10.18632/oncotarget.23298
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Increased risk of Parkinson’s disease following tension-type headache: a nationwide population-based cohort study

Abstract: PurposePrevious studies have suggested associations between primary headache and neurodegenerative diseases; however, the relationship between tension-type headache (TTH), which is the most common type of primary headache, and Parkinson's disease (PD) remains controversial. Hence, in this nationwide, population-based, retrospective cohort study, we explored the temporal association between TTH and PD.MethodsUsing claims data in the National Health Insurance Research Database of Taiwan, we evaluated 12,309 subj… Show more

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Cited by 6 publications
(11 citation statements)
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References 48 publications
(50 reference statements)
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“…For example, two cohort studies suggest that migraine increases the risk of tinnitus and/or sudden deafness [8,9]. Patients with TTH were found to be at increased risk for Parkinson's disease [20]. Here, we show that non-migraine headache is associated with higher risks of tinnitus, sensorineural hearing impairment, and sudden deafness.…”
Section: Discussionsupporting
confidence: 48%
“…For example, two cohort studies suggest that migraine increases the risk of tinnitus and/or sudden deafness [8,9]. Patients with TTH were found to be at increased risk for Parkinson's disease [20]. Here, we show that non-migraine headache is associated with higher risks of tinnitus, sensorineural hearing impairment, and sudden deafness.…”
Section: Discussionsupporting
confidence: 48%
“…The frequency of migraine among our patients (26%) was higher than what we would expect for elderly individuals (3 to 11%). 18 Individuals with migraine (migraine: Hazard Ratio = 1.46, 95% CI = 1.14-1.86 per year 19 20 ; migraine with aura: OR = 3.61, 95% CI = 2.7-4.8 21 ; migraine without aura: OR = 2.27, 95% CI = 1.5-3.5 21 ) and TTH (Hazard Ratio = 1.37, 95% CI = 1.19-1.57 per year) 19 are at higher risk of having PD than those without these kind of headaches. This can be explained through the shared pathophysiological mechanism of these conditions (dysfunction of the serotonergic and dopaminergic system) and through the higher oxidative stress that migraineurs present, which has been linked to presence of neurodegenerative disorders.…”
Section: Discussionmentioning
confidence: 99%
“…Finally, out of the 7 studies reporting association ratios, 5 presented OR while 2 presented hazard ratios (HR). Because the outcome (incident PD) was relatively rare in both of these cohorts (<<10%) [10,22], we considered HR and OR to be comparable and applied no transformation [23]. In all cases, we carried out random effects meta-analyses with the estimate of tau 2 being inferred from the iterative restricted maximum likelihood (REML) method.…”
Section: Discussionmentioning
confidence: 99%
“…None of the studies were an RCT. Two studies had sample sizes over 15,000 [22,27], while the other 10 had sample sizes below 1000…”
Section: Study Characteristicsmentioning
confidence: 99%