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Cognitive Remediation in Middle-Aged or Older Inpatients with Chronic Schizophrenia: A Randomized Controlled Trial in Korea.

ABSTRACT: Background: Accumulating evidence indicates that cognitive remediation (CR) is effective for improving various cognitive deficits in adult patients with schizophrenia. Although reports of brain plasticity in older adults and the service needs for chronic patients with schizophrenia are increasing, very few randomized controlled trials of CR have been conducted in middle-aged or older inpatients with chronic schizophrenia. We investigated the efficacy of individualized CR on the cognitive impairments of middle-aged or older inpatients with chronic schizophrenia within the context of comprehensive psychiatric rehabilitation (PR) by comparing the results obtained with PR only and treatment as usual (TAU). Method: Fifty-seven middle-aged and older individuals with chronic schizophrenia and mild to moderate cognitive deficits were enrolled. Thirty-eight who were undergoing PR were randomly assigned to CR + PR (N = 19) or PR-only (N = 19) groups. Nineteen participants who were undergoing TAU without CR or PR were evaluated pre- and post-treatment. Results: CR was easily provided and well received (drop-out rates = 5.3%) by middle-aged or older psychiatric inpatients. Compared to the PR-Only or TAU patients, patients in the CR + PR group showed greater improvement in executive functioning. Compared to TAU patients, CR + PR and PR-only patients showed greater improvement in logical memory. More patients in the CR + PR group improved clinically significantly in executive functioning and logical memory, compared with the PR-only and TAU patients. Conclusions: These results suggested that CR improved some cognitive deficits in middle-aged or older inpatients with chronic schizophrenia and that it was effective as an adjunctive treatment to the usual PR services provided in inpatient settings. Clinical Registration: KCT0002609.

SUBMITTER: Choi KH

PROVIDER: S-EPMC5807907 | biostudies-other | 2017

REPOSITORIES: biostudies-other

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Cognitive Remediation in Middle-Aged or Older Inpatients with Chronic Schizophrenia: A Randomized Controlled Trial in Korea.

Choi Kee-Hong KH Kang Jinsook J Kim Sun-Min SM Lee Seung-Hwan SH Park Seon-Cheol SC Lee Won-Hye WH Choi Sun S Park Kiho K Hwang Tae-Yeon TY

Frontiers in psychology 20180206

<b>Background:</b> Accumulating evidence indicates that cognitive remediation (CR) is effective for improving various cognitive deficits in adult patients with schizophrenia. Although reports of brain plasticity in older adults and the service needs for chronic patients with schizophrenia are increasing, very few randomized controlled trials of CR have been conducted in middle-aged or older inpatients with chronic schizophrenia. We investigated the efficacy of individualized CR on the cognitive ...[more]

PMID: 29467684

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Project description:Abstract Background Cognitive remediation (CR) is an evidence-based behavioral intervention for cognitive impairment in schizophrenia. Although the effectiveness of CR is well stablished, its effects are modest, especially in terms of functional outcome. There is an emerging literature suggesting that adding aerobic exercise to CR may exert synergistic effects. Despite these promising reports, the extent to which aerobic exercise in combination with CRT can improve cognitive and daily functioning in multiepisode schizophrenia and schizoaffective disorder remains unclear. Methods This is a single-blinded, randomized clinical trial (NCT02864576) with two different groups: 1) patients with multiepisode schizophrenia or schizoaffective disorder receiving 3-month Aerobic exercise plus CR treatment (three weekly sessions, 40min of Aerobic exercise and 90min of CR), and 2) patients with multiepisode schizophrenia or schizoaffective disorder receiving Healthy lifestyle promotion plus CR treatment (three weekly sessions, 40min of Healthy lifestyle promotion and 90min of CR). Primary outcome measures were the MATRICS Consensus Cognitive Battery (MCCB) and the Global Assessment of Functioning (GAF), which were assessed (among others) at baseline and immediately after treatment. For the present work, the sample included in the analysis were 34 patients for whom cognitive data were available. Treatment effects on neurocognition and functional outcome were analyzed by applying the multivariate general linear model (GLM) repeated measures. Results After treatment, both groups exhibited a significant improvement in MCCB visual learning memory (F=14.298, p= 0.001), working memory (F=6.626, p= 0.015) and speed of processing (F=16.344, p= 0.001) domains. However, no significant benefits were evidenced for problem solving (F=2.143, p= 0.153), verbal learning memory (F= 0.321, p= 0.575) and attention/vigilance (F=0.740, p= 0.397) domains. Functional outcome, as measured by the GAF, was more improved in the Aerobic exercise plus CR group than in the Healthy lifestyle promotion plus CR group (F=4.248, p= 0.047). Discussion Our preliminary findings indicate that combining aerobic exercise with cognitive remediation may promote a large impact on functional outcome in patients with multiepisode schizophrenia or schizoaffective disorder.

Dataset Information

Cognitive Remediation in Middle-Aged or Older Inpatients with Chronic Schizophrenia: A Randomized Controlled Trial in Korea.

Publications

Cognitive Remediation in Middle-Aged or Older Inpatients with Chronic Schizophrenia: A Randomized Controlled Trial in Korea.

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