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Abstract: Background: Both migraine and asthma are common health problems in the general population. However, the association between these two disorders is yet to be fully explored. Objective: We examined whether adult patients with migraine are at a higher risk of asthma development. Methods: We used data retrieved from the National Health Insurance Research Database in Taiwan to conduct this nationwide population‐based cohort study. We identified 6647 patients aged 20‐60 years who were newly diagnosed with migraine between 2000 and 2005 for the migraine group and identified 26 588 patients without migraine for the nonmigraine group. Both groups were followed up until the end of 2011 to examine the incidence of asthma. Cox proportional hazards regression analysis was used to measure the hazard ratio (HR) of asthma in the migraine group compared with the nonmigraine group. Results: The HR of asthma development was 1.37 (95% confidence interval = 1.21‐1.56) for the migraine group compared with the nonmigraine group after adjustment for age, sex, occupational status, insurance premium, urbanization, comorbidities, and annual outpatient department visits. Further stratified analysis revealed that this risk was also significantly higher for both sexes and in the 40‐ to 60‐year age group. The main limitation of this study was that some relevant data were unavailable, such as pain medication prescriptions and family history of migraine and asthma. Conclusion: Adult patients with migraine are at a higher future risk of asthma development. [ABSTRACT FROM AUTHOR]

Background Increasing evidence suggests that Helicobacter pylori infection (HPI) may have extragastric manifestations, including the respiratory system. This study investigated the role of HPI in increasing the subsequent risk of chronic obstructive pulmonary disease (COPD) in a nationwide population. Methods We conducted this retrospective cohort study using data from the Longitudinal Health Insurance Database, which is derived from the Taiwanese National Health Insurance Research Database. A total of 5941 adults who were newly diagnosed with HPI between 2005 and 2006 were selected. Healthy patients without HPI were selected from the general population and frequency matched as a ratio of 4:1, according to age, sex, and index years. Both cohorts were followed up from the index date to the end of 2011 to measure the incidence of COPD. Cox proportional hazard regression analysis was used to assess the hazard ratio (HR) of COPD between the HPI cohort and non-HPI cohorts. Results The overall HR of COPD was 1.84 (95% confidence intervals = 1.57-2.17) for the HPI cohort, compared with the non-HPI cohort, after adjusting for age, sex, and comorbidities. Although the incidence of COPD was substantially higher in the elderly participants (age, ≥ 65 years) than that in younger participants, the highest HR (4.05, 95% confidence intervals = 1.39-11.8) of COPD was observed in the youngest (age, 20-49 years) participants. Conclusion In this study, the patients with HPI exhibited a significantly higher risk of COPD than those without HPI did. [ABSTRACT FROM AUTHOR]

Background: Both migraine and asthma are common health problems in the general population. However, the association between these two disorders is yet to be fully explored., Objective: We examined whether adult patients with migraine are at a higher risk of asthma development., Methods: We used data retrieved from the National Health Insurance Research Database in Taiwan to conduct this nationwide population-based cohort study. We identified 6647 patients aged 20-60 years who were newly diagnosed with migraine between 2000 and 2005 for the migraine group and identified 26 588 patients without migraine for the nonmigraine group. Both groups were followed up until the end of 2011 to examine the incidence of asthma. Cox proportional hazards regression analysis was used to measure the hazard ratio (HR) of asthma in the migraine group compared with the nonmigraine group., Results: The HR of asthma development was 1.37 (95% confidence interval = 1.21-1.56) for the migraine group compared with the nonmigraine group after adjustment for age, sex, occupational status, insurance premium, urbanization, comorbidities, and annual outpatient department visits. Further stratified analysis revealed that this risk was also significantly higher for both sexes and in the 40- to 60-year age group. The main limitation of this study was that some relevant data were unavailable, such as pain medication prescriptions and family history of migraine and asthma., Conclusion: Adult patients with migraine are at a higher future risk of asthma development., (© 2017 John Wiley & Sons Ltd.)