NPD (Narcissistic Personality Disorder) and AsPD (Antisocial Personality Disorder) - click on the links:
http://samvak.tripod.com/personalitydisorders16.html
http://samvak.tripod.com/personalitydisorders15.html
http://samvak.tripod.com/9.html
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http://www.psychiatrymatters.md/headlines/fullpage.asp?xml=/headlines...
Violence in schizophrenia linked to childhood conduct problems, acute psychopathology
9/7/2007
Investigating the factors underlying violent behavior in schizophrenia patients.
MedWire News: Schizophrenia patients with acute psychopathology or a history of childhood conduct problems are more likely to engage in violent behavior than other patients, US researchers report.
“Violence risk management for schizophrenia patients must focus on the whole person, with keen attention to the interaction of disease characteristics with developmental life history and the current social environment,” the authors write in the journal Law and Human Behavior.
Jeffrey Swanson (Duke University, Durham, North Carolina) and colleagues examined the prevalence and correlates of violent behavior in 488 schizophrenia patients with a history of childhood conduct problems and 956 schizophrenia patients with no history of conduct problems.
Patients with a history of childhood problems were significantly more likely to have engaged in violent behavior in the past 6 months than those without childhood conduct problems. Furthermore, the risk of violence increased in line with the number of childhood problems reported.
The use of alcohol (even moderate use) or illicit drugs led to a significant increase in violent behavior among those with a conduct-problem history, whereas among those with no history of conduct problems, only a higher threshold of substance abuse was associated with violence.
Positive psychotic symptoms were significantly associated with violence in the group without conduct problems, but not in the group with childhood conduct problems. This finding seems consistent with the theory that conduct problems and psychotic symptoms represent distinct disorders in these patients, the team comments.
Swanson and co-workers conclude: “If a certain proportion of schizophrenia patients present risk of violence that is essentially unrelated to their acute psychopathology, then medications to reduce psychotic symptoms may not prevent violence for these individuals.”
They add: “Our findings suggest the importance of targeting schizophrenia patients with a history of childhood conduct problems, and delivering effective primary and secondary interventions aimed at preventing serious antisocial behaviors in this subgroup.”
a.. Law Hum Behav 2007; Advance online publication
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