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Sökning: WFRF:(Blennow Kaj 1958 ) > Månsson Jan Eric 1946 > Anckarsäter Henrik 1966

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  • Anckarsäter, R, et al. (författare)
  • Non-neurological surgery results in a neurochemical stress response.
  • 2008
  • Ingår i: Journal of neural transmission (Vienna, Austria : 1996). - 0300-9564. ; 115:3, s. 397-9
  • Tidskriftsartikel (refereegranskat)abstract
    • There is a paucity of studies assessing changes in measures of human neurotransmission during stressful events, such as surgery. Thirty-five patients without any neurological disorders undergoing knee replacements with spinal bupivacaine anaesthesia and propofol sedation had cerebrospinal fluid (CSF) drawn from a spinal catheter before, three hours after and the morning after surgery. The CSF concentrations of the dopamine metabolite homovanillinic acid (HVA) and the serotonin metabolite 5-hydroxyindoleacetic acid (5-HIAA), which are related to the activity of the dopaminergic and serotonergic systems of the brain, increased sharply during surgery and reached 188% and 166% of their initial concentrations on the morning after the intervention (p < 0.0001). The CSF concentrations of the norepinephrine metabolite 3-methoxy-4-hydroxyphenylglucol (MHPG) increased modestly (non-significantly) during and after surgery. The HVA/5-HIAA ratios initially increased but returned to the initial level during the night after surgery. We conclude that non-neurological surgery, in this case to the lower limb, is accompanied by a marked central nervous stress response in spite of a spinal blockade.
  • Gustavson, Christina, et al. (författare)
  • Platelet Monoamine Oxidase B Activity Did Not Predict Destructive Personality Traits or Violent Recidivism: A Prospective Study in Male Forensic Psychiatric Examinees.
  • 2010
  • Ingår i: Neuropsychobiology. - 1423-0224. ; 61:2, s. 87-96
  • Tidskriftsartikel (refereegranskat)abstract
    • Aims: This prospective study was designed to replicate previous findings of an association between the platelet monoamine oxidase B (MAO-B) activity and factors of relevance for criminal behaviour in a well-documented clinical study population. Methods: Subjects (n = 77, aged 17-76 years, median 30 years) were recruited among consecutive perpetrators of severe interpersonal violent and/or sexual crimes referred to forensic psychiatric investigation. Participants were extensively investigated by structured psychiatric, psychological and social workups, including state-of-the-art rating instruments and official records, and with laboratory tests including venous blood sampling for determination of MAO-B activity. A subset of 36 individuals had lumbar punctures to measure cerebrospinal fluid concentrations of monoamine neurotransmitter metabolites. Results: Platelet MAO-B activity did not show any significant correlation with assessments of childhood behavioural disorders, substance abuse, or psychosocial adversity, nor with any crime-related factors, such as scores on the Life History of Aggression Scale, the Psychopathy Checklist or recidivistic violent crime. No significant correlation was found between MAO-B and any of the monoamine metabolites. Analyses in subgroups of smokers/non-smokers did not change this overall result. Conclusions: The findings of the present study did not support the use of MAO-B as a biological marker for aggression-related personality traits or as a predictor for violent recidivism among violent offenders.
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