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El ejercicio aeróbico puede beneficiar a las personas que sufren esquizofrenia

Investigadores de la Universidad de Manchester (Reino Unido), publicado en ‘Schizophrenia Bulletin’, tras analizar 10 ensayos clínicos independientes en los que se observaron a 385 pacientes con esquizofrenia, comprobaron que realizar durante 12 semanas ejercicios aeróbicos mejora de forma significativa el funcionamiento cerebral de los pacientes.

 

Los pacientes tratados con programas de ejercicios aeróbicos, tales como cintas de correr o bicicletas estáticas, en combinación con la medicación, mejoran el funcionamiento global del cerebro, en comparación con aquellos que sólo toman fármacos.

 

De hecho, las actitudes que más mejoran con el ejercicio son la capacidad para comprender las situaciones sociales, los periodos de atención, la memoria de trabajo y la capacidad de retener diferente información en un mismo periodo de tiempo.

 

 

 

Cognitive deficits are pervasive among people with schizophrenia and treatment options are limited. There has been an increased interest in the neurocognitive benefits of exercise, but a comprehensive evaluation of studies to date is lacking. We therefore conducted a meta-analysis of all controlled trials investigating the cognitive outcomes of exercise interventions in schizophrenia. Studies were identified from a systematic search across major electronic databases from inception to April 2016. Meta-analyses were used to calculate pooled effect sizes (Hedges g) and 95% CIs. We identified 10 eligible trials with cognitive outcome data for 385 patients with schizophrenia. Exercise significantly improved global cognition (g = 0.33, 95% CI = 0.13–0.53, P = .001) with no statistical heterogeneity (I 2 = 0%). The effect size in the 7 studies which were randomized controlled trials was g = 0.43 (P < .001). Meta-regression analyses indicated that greater amounts of exercise are associated with larger improvements in global cognition (β = .005, P = .065). Interventions which were supervised by physical activity professionals were also more effective (g = 0.47, P < .001). Exercise significantly improved the cognitive domains of working memory (g = 0.39, P = .024, N = 7, n = 282), social cognition (g = 0.71, P = .002, N = 3, n = 81), and attention/vigilance (g = 0.66, P = .005, N = 3, n = 104). Effects on processing speed, verbal memory, visual memory and reasoning and problem solving were not significant. This meta-analysis provides evidence that exercise can improve cognitive functioning among people with schizophrenia, particularly from interventions using higher dosages of exercise. Given the challenges in improving cognition, and the wider health benefits of exercise, a greater focus on providing supervised exercise to people with schizophrenia is needed.

 

 

Firth, J., Stubbs, B., Rosenbaum, S., Vancampfort, D., Malchow, B., Schuch, F., Elliott, R., Nuechterlein, K. H., Yung, A. R.Aerobic Exercise Improves Cognitive Functioning in People With Schizophrenia: A Systematic Review and Meta-Analysis

 

http://schizophreniabulletin.oxfordjournals.org/content/early/2016/08/11/schbul.sbw115.short?rss=1

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