الفهرس 
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Abstract
Aggressive Behavior in Hospitalized Patients with
Schizophrenia and Bipolar Disorder.
Objective: Aggressive behavior has been related to psychiatric patients
both in in-patient and out-patient samples. In this study, we aimed to assess the
aggression and violent behavior among hospitalized patients with schizophrenia
and bipolar disorder and to study the association of aggressive behavior with
multiple variables; where a group of patients in early phase admission is compared
to a group of patients admitted for more than one month.
Method: Two hundreds patients with schizophrenia or bipolar disorder receiving
were enrolled and interviewed at El Abasia psychiatric hospital about aggressive
violent behavior within the week prior to the study visit. Presence of aggressive
episodes, including type of aggression and severity was assessed with the Modified
Overt Aggression Scale (MOAS). Violence was defined as a score of 3 or more in
any of the MOAS subscores.
Results: Prevalence of recent aggressive behavior was 44% that reached the
violent threshold. Recent aggressive episodes were more likely among patients
with a previous history of violence, substance abuse, with low treatment
satisfaction, long admission duration, premorbid antisocial personality traits,
deluded patients and with impaired insight.
Conclusion: forty four percent of the studied cases showed aggressive behavior in
the week prior to assessment, despite having been compliant with their medication.
Most aggressive behavior was verbal rather than physical.
Significant outcomes: • Despite adherence to antipsychotic medication,
admission in hospitals, a group of in-patients with schizophrenia and bipolar
disorder continues to show aggressive behavior.
• A past history of violence and substance abuse are among the factors associated
with the appearance of aggressive behaviors.
Limitations: A cross-sectional design does not allow a causal relationship to be
established.
Key words: Aggression, violence, modified overt aggression scale, inpatients.