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  • Title: Association of brain structural change with the heterogeneous course of schizophrenia from early childhood through five years subsequent to a first hospitalization.
    Author: DeLisi LE, Sakuma M, Ge S, Kushner M.
    Journal: Psychiatry Res; 1998 Dec 14; 84(2-3):75-88. PubMed ID: 10710165.
    Abstract:
    Fifty first-episode patients with schizophrenia were followed for 5 years subsequent to their first hospitalization. The course of illness was charted prospectively and premorbid childhood histories were obtained retrospectively at the initial evaluation, and MRI scans were obtained initially and at each follow-up. Fifteen different life-time patterns of illness course emerged, although none were specifically associated with structural brain change. A deterioration in premorbid scores was positively correlated with larger ventricular volume at the first hospitalization, and the larger the ventricles, the less the subsequent change in ventricular size thereafter. An analysis to see whether initial hemispheric and ventricular size could predict different course types only revealed that patients with an acute onset and complete recovery had significantly smaller ventricles than all others. No differences emerged for initial hemispheric size. Thirty-four percent of patients individually showed some association of brain ventricular size and 28% hemisphere volume reductions with fluctuation in psychotic symptoms. Paradoxically, most showed larger ventricles and smaller hemispheres to be associated with clinical improvement, rather than the predicted reverse. These latter data question the notion that the structural brain changes seen over time in some patients are related to poor outcome, although small ventricular size in those patients with acute onset may be predictive of recovery. Thus, brain structural change is occurring early in the course of illness and may be a consequence of the process leading to resolution.
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