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Sökning: Nicaragua > Uppsala universitet > Engelska > Isaksson Johan

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1.
  • Isaksson, Johan, et al. (författare)
  • High maternal cortisol levels during pregnancy are associated with more psychiatric symptoms in offspring at age of nine : A prospective study from Nicaragua
  • 2015
  • Ingår i: Journal of Psychiatric Research. - : Elsevier BV. - 0022-3956 .- 1879-1379. ; 71, s. 97-102
  • Tidskriftsartikel (refereegranskat)abstract
    • Maternal exposure to stress or adversity during pregnancy has been associated with negative health effects for the offspring including psychiatric symptoms. Programming of the hypothalamic-pituitary-adrenal (HPA) axis has been suggested as one mediating process. In order to investigate possible long term effects of stressors during pregnancy, we followed 70 children and their mothers from pregnancy up to nine years aiming to investigate if maternal cortisol levels and distress/exposure to partner violence were associated with child psychiatric symptoms and child cortisol levels at follow-up. Maternal distress was evaluated using The Self Reporting Questionnaire, exposure to partner violence by an instrument from WHO and child psychiatric symptoms with Child Behavior Checklist (CBCL). We adjusted the analyses for gestational week, gender, SES, perinatal data and maternal distress/exposure to partner violence at child age of nine years. Elevated maternal cortisol levels during pregnancy, as a possible marker of maternal stress load, were correlated with higher CBCL-ratings, especially concerning externalizing symptoms. Maternal cortisol levels during pregnancy were not associated with child cortisol levels at child age of nine years. Maternal distress and exposure to partner violence during pregnancy were neither associated with child psychiatric symptoms nor child cortisol levels. To conclude, intrauterine exposure to elevated cortisol levels was associated with higher ratings on offspring psychopathology at nine years of age. The lack of association between maternal cortisol levels during pregnancy and child cortisol levels does not support the hypothesis of fetal programming of the HPA-axis, but reliability problems may have contributed to this negative finding.
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2.
  • Isaksson, Johan, et al. (författare)
  • Associations between psychiatric symptoms and cortisol levels in Nicaraguan young school-age children
  • 2016
  • Ingår i: Psychiatry Research. - : Elsevier BV. - 0165-1781 .- 1872-7123. ; 240, s. 376-380
  • Tidskriftsartikel (refereegranskat)abstract
    • The regulation of the Hypothalamus-Pituitary-Adrenal axis (HPA-axis) with its end product cortisol seems to be affected in several psychiatric disorders. Although findings are not conclusive, internalizing symptoms have primarily been associated with higher diurnal cortisol levels and externalizing symptoms with lower cortisol levels. In this study on nine-year-olds in Nicaragua (n=111), we investigated associations between child psychiatric symptoms, using the Child Behavior Check List (CBCL), and saliva cortisol levels collected in the morning and afternoon, also adjusting for potential confounders. In line with previous findings, internalizing symptoms were significantly associated with higher morning, but not afternoon cortisol levels. Surprisingly, externalizing symptoms were also significantly associated with higher morning cortisol levels. Possibly, this association between externalizing symptoms and cortisol levels may be characteristic of early ages, representing a higher exposure to external stressors. The study highlights the need for prospective studies, following the development of the HPA-axis and its association with psychiatric symptoms.
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Lindblad, Frank (2)
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