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Introduction: Previous studies have suggested a positive association between adhesive capsulitis of the shoulder (ACS) and Parkinson's disease (PD), but longitudinal data were lacking. The present population-based longitudinal follow-up study therefore investigated the risk of developing PD in patients with ACS. Methods: This study utilized data from Taiwan's Longitudinal Health Insurance Database 2005 (LHID 2005). We defined our ACS group as the 19,920 patients aged between 40 and 79 who had been diagnosed with ACS between 2002 and 2006. The non-ACS group consisted of an age- and sex-matched but otherwise random selection of 19,920 patients without a diagnosis of ACS. The Kaplan-Meier method was then used to examine inter-group differences in PD-free survival rates, and Cox proportional-hazard regression modeling was used to evaluate the impact of ACS on PD risk. Results: During a median follow-up period of 105 months, 242 subjects in the ACS group and 208 subjects in the non-ACS group developed PD. The adjusted hazard ratio (HR) of 1.53 (1.26–1.86) indicated that ACS patients had a significantly higher risk of developing PD than their non-ACS counterparts, regardless of sex and age. Landmark analysis that excluded PD cases detected within the first 2 years after an ACS diagnosis showed that the HR was almost unchanged, at 1.56 (1.26–1.95). Conclusions: Patients with ACS are at a high risk of developing PD. Key points: •This population-based study showed that adhesive capsulitis of the shoulder (ACS) is associated with a higher risk of Parkinson's disease (PD). •This study broke new ground by using a longitudinal follow-up design and a nationally representative sample. •Our findings suggest that clinicians who care for ACS patients need to be aware of this increased risk of developing PD. [ABSTRACT FROM AUTHOR]

Summary: Osteoporosis was suggested to be associated with higher odds of age-related macular degeneration. However, the temporal relationship between osteoporosis and age-related macular degeneration has not been explored. This population-based longitudinal follow-up study showed an increased risk of age-related macular degeneration in both men and women with osteoporosis. Purpose: To investigate the long-term risk of age-related macular degeneration (AMD) in patients with osteoporosis. Methods: This is a retrospective cohort study using the Longitudinal Health Insurance Database 2005, a subset of Taiwan's National Health Insurance research database. A total of 23,611 individuals aged 50 to 79 who were diagnosed with osteoporosis between January 1, 2002 and December 31, 2006, were enrolled in the osteoporosis group. An exactly equal number of propensity score-matched individuals without osteoporosis comprised the comparison group. The variables used in propensity score matching included age, sex, comorbidities, and socioeconomic status. Cox proportional hazard regression analysis was used to evaluate the association between osteoporosis and AMD. The main outcome measure is the occurrence of newly diagnosed AMD. Results: The hazard ratio (HR) of AMD in the osteoporosis group was 1.34 times higher than in the comparison group (95% confidence interval [CI] 1.22–1.47, p < 0.05). The AMD-free survival rate of the osteoporosis group was significantly lower than that of the comparison group (p < 0.0001). Sex-stratified analysis revealed a significantly increased risk of AMD in both osteoporotic men (HR 1.45; 95% CI 1.20–1.76, p = 0.0002) and women (HR 1.31; 95% CI 1.17–1.46, p < 0.0001) compared with their non-osteoporotic counterparts. Conclusion: This longitudinal follow-up study revealed an increased risk of developing AMD in both men and women with osteoporosis. [ABSTRACT FROM AUTHOR]

Summary: This population-based longitudinal follow-up study showed a protective effect of tea consumption against osteoporosis, particularly among women and middle-aged people. High tea consumption was also associated with a reduced risk of hip fracture. Introduction: To investigate the association of tea consumption with the risks of osteoporosis and hip fracture. Methods: This study used the Keelung Community-based Integrated Screening database and Taiwan's National Health Insurance Research Database. A total of 42,742 subjects aged 45 to 74 years were enrolled. Each was classified as no tea consumption, low tea consumption, and high tea consumption, according to the results of an eating habits questionnaire. The diagnosis of osteoporosis and hip fracture was based on BMD measured by dual-energy X-ray absorptiometry and the X-ray findings. The median follow-up time was 8.5 years. Results: As compared with the no tea consumption group, the osteoporosis HRs for the low tea consumption and high tea consumption groups were 0.88 (95% confidence interval (CI) 0.80–0.96) and 0.87 (95% CI 0.80–0.94), respectively. Among those participants aged 59 or below, the osteoporosis HRs for low tea consumption and high tea consumption (vs. no tea consumption) were 0.85 (95% CI 0.74–0.96) and 0.79 (95% CI 0.69–0.90). The HRs of hip fracture for the low tea consumption and high tea consumption groups (vs. no tea consumption) were 0.85 (95% CI 0.67–1.08) and 0.69 (95% CI 0.55–0.86), respectively. Conclusion: Tea consumption was linked to a lower risk of osteoporosis, particularly among women and middle-aged people. High tea consumption was also associated with a reduced risk of hip fracture. [ABSTRACT FROM AUTHOR]

Introduction: Osteoporosis has been linked to atherosclerotic diseases such as coronary heart disease and ischemic stroke. However, the relationship between osteoporosis and peripheral artery disease (PAD) has not been investigated. This study aims to evaluate the risk of PAD in patients with osteoporosis and the impact of sex on this association. Methods: This population-based study used the Longitudinal Health Insurance Database 2005, a subset of Taiwan's National Health Insurance research database. A total of 54,324 individuals between 40 and 79 years old were included in this study. The osteoporosis group (n = 27,162) consisted of patients with a diagnosis of osteoporosis between January 1, 2002, and December 31, 2006, while the non-osteoporosis group were patients without osteoporosis selected by stratified random sampling (n = 27,162). The primary outcome was the occurrence of newly diagnosed PAD. Cox proportional hazard regression modeling was used to evaluate the association between osteoporosis and the risk of PAD, with adjustment for the baseline characteristics. Results: The risk of PAD for the osteoporosis group was 28% higher than for the non-osteoporosis group (adjusted hazard ratio (HR) 1.28, 95% confidence interval [CI] 1.20–1.36, p < 0.001), and the PAD-free survival rate was lower in the osteoporosis group (p < 0.001). Sex-stratified analysis revealed a similar HR magnitude between osteoporotic men (HR 1.36; 95% CI 1.19–1.57) and women (HR 1.25; 95% CI 1.17–1.35), compared with their non-osteoporotic counterparts. Conclusion: This study found an increased long-term risk of PAD in both men and women with osteoporosis. Osteoporosis has been associated with increased risks of atherosclerotic diseases. However, the relationship between osteoporosis and peripheral artery disease remains uncertain. The present population-based longitudinal follow-up study showed that patients with osteoporosis are at an increased risk of developing peripheral artery disease. [ABSTRACT FROM AUTHOR]

Aspirin and nicametate are well-established therapies for preventing recurrence and mortality from stroke in patients diagnosed as ischemic stroke. However, their respective effects on the recurrence, making allowance for the duration of recurrence and death without the occurrence of recurrence, and long-term survival have not been well elucidated. We aimed to evaluate long-term effect of two kinds of treatment on cerebrovascular death among ischemic stroke patients with or without the recurrence of stroke. Data used in this study were derived from the cohort based on a multicenter randomized double-blind controlled trial during 1992 to 1995 with the enrollment of a total of 466 patients with first-time non-cardioembolic ischemic stroke who were randomly allocated to receive aspirin (n = 222) or nicametate (n = 244). The trial cohort was followed up over time to ascertain the date of recurrence within trial period and death until Sep of 2019. The time-dependent Cox regression model was used to estimate the long-term effects of two treatments on death from cerebrovascular disease with and without recurrence. A total of 49 patients experienced stroke recurrence and 89 cerebrovascular deaths was confirmed. Patients treated with nicametate were more likely, but non statistically significantly, to have recurrence (aHR: 1.73, 95% CI 0.96–3.13) as compared with those treated by aspirin. Nicametate reduced the risk of cerebrovascular death about 37% (aHR: 0.63, 95% CI 0.41–0.97) compared with aspirin. The aspirin group had a lower recurrence rate than the nicametate group even with recurrence after 1–2 years of follow-up of first stroke but the latter had significantly reduced death from cerebrovascular disease for nicametate group, which requires more research to verify. [ABSTRACT FROM AUTHOR]

Previous cross-sectional studies have suggested an association between migraine and rheumatoid arthritis (RA), but no longitudinal study has been performed to evaluate the temporal relationship between the two conditions. The purpose of the present population-based, propensity score-matched cohort study was to investigate whether migraineurs are at a higher risk of developing RA. A total of 58,749 subjects aged between 20 and 90 years with at least two ambulatory visits with a diagnosis of migraine were recruited in the migraine group. We fit a logistic regression model that included age, sex, comorbid conditions, and socioeconomic status as covariates to compute the propensity score. The non-migraine group consisted of 58,749 propensity score-matched, randomly sampled subjects without migraine. The RA-free survival curves were generated using the Kaplan-Meier method. Stratified Cox proportional hazard regression was used to estimate the effect of migraine on the risk of RA. During follow-up, 461 subjects in the migraine group and 220 in the non-migraine group developed RA. The incidence rate of RA was 3.18 (95% confidence interval [CI] 2.90-3.49) per 1000 person-years in the migraine group and 1.54 (95% CI 1.34-1.76) per 1000 person-years in the non-migraine group. Compared to the non-migraine group, the crude hazard ratio of RA for the migraine group was 2.15 (95% CI 1.82-2.56, P < 0.0001), and the multivariable-adjusted hazard ratio was 1.91 (95% CI 1.58-2.31, P < 0.0001). This study showed that patients with migraine had an increased risk of developing RA. [ABSTRACT FROM AUTHOR]