Related Experiment Video
Updated: Aug 13, 2026
05:52
Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis
Published on: November 21, 2013
Prognosis in schizophrenia. Prognostic predictors and outcome
Archives of General Psychiatry
|January 1, 1978
Summary
This study followed first-admission schizophrenia patients, finding that extensive services correlated with poorer outcomes. Prognostic indicators were poor predictors, suggesting distinct "good" and "poor" prognosis schizophrenia entities.
Area of Science:
- Psychiatry
- Clinical Psychology
- Epidemiology
Background:
- Schizophrenia prognosis is complex and influenced by various factors.
- Previous studies on first-admission schizophrenia cohorts have yielded varied outcomes.
- Understanding prognostic indicators is crucial for effective schizophrenia management.
Purpose of the Study:
- To evaluate the long-term outcome of a first-admission schizophrenia cohort.
- To assess the predictive value of pre-follow-up prognostic indicators.
- To explore the relationship between service utilization and patient outcomes.
Main Methods:
- A cohort of 88 first-admission schizophrenic patients from 1963 was followed up in 1974-1975.
- Prognostic factors were scored prior to follow-up for 79 cases.
- Outcome was assessed using multiple criteria, with a focus on patients categorized as "poor prognosis".
Main Results:
- The cohort generally showed better outcomes than in many earlier studies, comparable to recent first-admission studies.
- Pre-follow-up prognostic indicators had limited predictive value for this "poor prognosis" group, explaining only about 25% of outcome variance.
- Patients receiving extensive services during the follow-up period exhibited poorer outcomes.
Conclusions:
- The limited predictive power of traditional indicators suggests that "good" and "poor" prognosis schizophrenia may represent distinct conditions.
- The findings indicate a potential negative impact of extensive service utilization on schizophrenia outcomes.
- The study highlights the need for refined prognostic models and individualized treatment approaches in schizophrenia care.
Related Concept Videos
01:28Psychosis and Antipsychotic Drugs: Overview
The term "psychosis" refers to a spectrum of mental disorders characterized by abnormal thoughts, perceptions, and behaviors. It can manifest as mood disorders, dementia, delirium with psychotic features, substance-induced psychosis with psychotic features, brief psychotic disorder, delusional disorder, schizoaffective disorder, and schizophrenia. Among all these disorders, schizophrenia is the most common psychotic disorder, affecting 1% of the worldwide population. Psychotic symptoms in all...
01:27Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders
Schizophrenia is a neurodevelopmental disorder whose origins are rooted in complex genetic components. Despite our burgeoning understanding, the pathophysiology of this disorder remains incompletely deciphered.
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within the...
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within the...
01:26Psychosis: Goals of Pharmacotherapy
Antipsychotic drugs are a crucial treatment method for acute and chronic psychoses, bipolar illness, and behavioral disorders. The selection of these drugs depends on several factors, including the state of the disease, clinical judgment, possible drug interactions, and the patient's sensitivity to adverse effects. In immediate scenarios, such as delirium and dementia, short-term treatment with low doses of high-potency typical or atypical agents can effectively manage symptom exacerbation. For...
01:17Schizophrenia
Schizophrenia, a term introduced by Swiss psychiatrist Eugen Bleuler in 1911, describes a severe psychological disorder marked by profound disruptions in attention, thought processes, language, emotion, and interpersonal relationships. The core feature of schizophrenia is psychosis — a state characterized by a fundamental detachment from reality. This disconnection manifests through distorted logic, impaired perception, and atypical behavior, severely affecting the lives of those diagnosed.
01:29Biological Causes of Schizophrenia
Schizophrenia, a severe psychiatric disorder, arises from a complex interplay of biological factors, including genetic predisposition, structural brain abnormalities, neurotransmitter dysregulation, and developmental irregularities. These factors collectively contribute to the onset and progression of the disorder, which typically manifests in late adolescence or early adulthood.
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin studies.
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin studies.
01:29Psychological and Sociocultural Causes of Schizophrenia
Schizophrenia, a complex psychiatric disorder, has been historically misunderstood. Early psychological theories attributed its origins to childhood trauma and unresponsive parenting. However, contemporary research largely rejects these notions, favoring the vulnerability-stress hypothesis. This model proposes that individuals with a genetic predisposition to schizophrenia may develop the disorder following exposure to significant environmental stressors. Notably, studies on high-risk...