A total of 3.9% of this elderly population had CDH, with CTTH being the most common subtype. Almost two-thirds of those with CDH had persistent frequent headaches at follow-up. Analgesic overuse was a significant predictor of a poor outcome.
Depression was quite common in this Chinese rural geriatric population. The prevalence rate was twice as high when judged by depression symptomatology rather than clinical diagnosis. The critical risk factors were functional impairments, poor cognitive abilities and the presence of chronic physical illnesses.
This study investigated the impact of migraine on health-related quality of life (HRQoL) among patients with major depressive disorder (MDD). We prospectively enrolled 151 consecutive psychiatric out-patients meeting DSM-IV criteria for MDD. Migraine and other headache types were diagnosed based on the International Classification of Headache Disorders, 2nd edition (2004). The Short Form-36 (SF-36) was administered as a generic instrument of HRQoL. Among 151 patients with MDD, migraine (N = 73, 48.3%) was very common. Comorbidity of migraine predicted a significantly negative impact on all physical subscales and vitality but not on the other mental subscales of the SF-36 after controlling for depression, age and gender. The presence of migraine should be considered as an important physical symptom in clinic-based MDD samples. Simultaneous management of depression and severe headaches, especially migraine, might improve HRQoL in patients with MDD.
Of 135 patients with Alzheimer disease (AD), 56 without psychiatric symptoms at the first visit were followed for a mean period of 51.9 +/- 10.3 months to identify incident psychiatric symptoms. The hazard ratios of ApoE epsilon4 allele in developing psychiatric symptoms were calculated by Cox regression hazard analyses. The presence of the ApoE epsilon4 allele carried a 19.0-fold risk for developing hallucinations and a 3.4-fold risk for delusions.
The prevalence of depressive disorders among Chinese AD patients is in the middle of the range of western findings. The risk factor for depression is female gender.
A door-to-door survey by neurologists in Kin-Hu township, Republic of China, of a sample of the Chinese population of 683 persons aged 50 years and over was performed in August, 1992. A total of 482 subjects (70.6%) completed the study. Kin-Hu, a township of Kinmen, is predominantly rural with agriculture as the main occupation. Six subjects (5 men, 1 woman) were diagnosed with Parkinson''s disease (PD). Of these six, five were newly diagnosed; one of the five also had dementia. The crude prevalence rate per 1,000 persons over 50 years of age of PD in Kin-Hu was 6.2. The age-specific prevalence rates per 1,000 persons (95% confidence intervals) were 0 for age 50–59, 7.8 (0–22.9) for age 60–69, 17.5 (5.2–29.8) for age 70–79, and 25.4 (10.9–39.9) for age ≧ 80. These rates are considerably higher than those reported in the People''s Republic of China, and similar to rates found in Western countries. The higher prevalence of PD found in this pilot study suggests that environmental factors may be more important than racial factors in the pathogenesis of PD. If confirmed, the results suggest that epidemiologic studies looking for environmental risk factors might be of value.
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