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Sökning: WFRF:(Lind Karin 1952) > Umeå universitet

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1.
  • Lind, Karin, 1952, et al. (författare)
  • Increased saliva cortisol awakening response in patients with mild cognitive impairment
  • 2007
  • Ingår i: Dementia and Geriatric Cognitive Disorders. - : S. Karger AG. - 1420-8008 .- 1421-9824. ; 24:5, s. 389-395
  • Tidskriftsartikel (refereegranskat)abstract
    • <i>Background:</i> It is unknown whether HPA-axis dysfunction is present in patients with mild cognitive impairment (MCI). The aim of the present study was to investigate whether cortisol levels are elevated among patients with MCI and/or whether the individuals have adequate feedback control of their HPA axis. <i>Material and Methods:</i> 27 patients with MCI and 15 healthy controls were included in the study. Saliva samplings were performed 5 times a day before intake of 0.5 mg dexamethasone, and 5 times a day after intake of dexamethasone, respectively. <i>Results:</i> Significantly higher cortisol levels were found 15 min after awakening among patients with MCI in comparison with the controls, both before and after dexamethasone administration (p < 0.05). Also, the ratio between cortisol at awakening time and 15 min after awakening was lower in the patient group after dexamethasone administration (p < 0.05). There were no significant differences in basal cortisol levels before or after dexamethasone between groups. <i>Conclusion:</i> The results indicate that there is an HPA-axis disturbance, with normal basal cortisol levels and increased awakening response among patients with MCI. The dissociation between basal values and the awakening response may be of pathophysiological importance for the cognitive impairment.
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2.
  • Sundström, Johan, Professor, 1971-, et al. (författare)
  • Risk factors for subarachnoid haemorrhage : a nationwide cohort of 950 000 adults
  • 2019
  • Ingår i: International Journal of Epidemiology. - : Oxford University Press. - 0300-5771 .- 1464-3685. ; 48:6, s. 2018-2025
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Subarachnoid haemorrhage (SAH) is a devastating disease, with high mortality rate and substantial disability among survivors. Its causes are poorly understood. We aimed to investigate risk factors for SAH using a novel nationwide cohort consortium.METHODS: We obtained individual participant data of 949 683 persons (330 334 women) between 25 and 90 years old, with no history of SAH at baseline, from 21 population-based cohorts. Outcomes were obtained from the Swedish Patient and Causes of Death Registries.RESULTS: During 13 704 959 person-years of follow-up, 2659 cases of first-ever fatal or non-fatal SAH occurred, with an age-standardized incidence rate of 9.0 [95% confidence interval (CI) (7.4-10.6)/100 000 person-years] in men and 13.8 [(11.4-16.2)/100 000 person-years] in women. The incidence rate increased exponentially with higher age. In multivariable-adjusted Poisson models, marked sex interactions for current smoking and body mass index (BMI) were observed. Current smoking conferred a rate ratio (RR) of 2.24 (95% CI 1.95-2.57) in women and 1.62 (1.47-1.79) in men. One standard deviation higher BMI was associated with an RR of 0.86 (0.81-0.92) in women and 1.02 (0.96-1.08) in men. Higher blood pressure and lower education level were also associated with higher risk of SAH.CONCLUSIONS: The risk of SAH is 45% higher in women than in men, with substantial sex differences in risk factor strengths. In particular, a markedly stronger adverse effect of smoking in women may motivate targeted public health initiatives.
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