Psychopathological and cardiometabolic efficacy of a nutritional education intervention based on symbiotics in schizophrenia spectrum disorders. Two-arm Randomised Clinical Trial
Alfonso Sevillano-Jiménez , Guillermo Molina-Recio , Juan Antonio García-Mellado , Rafael Molina-Luque , Manuel Romero-Saldaña
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Abstract
Background and objectives
Advances in knowledge have contributed to the global understanding of nutritional patterns' influence on mental health. The aim was to determine the impact of a high-symbiotic diet on cardio-metabolic and psychopathological outcomes in schizophrenia.
Methods
A randomised clinical trial (two-arm, double-blind, balanced-block, six-month intervention) was conducted on 50 individuals diagnosed with schizophrenia spectrum disorder. The control group received conventional dietary advice individually. The intervention group received intensive dietary advice based on the increasing consumption of food with high symbiotic content (fermented foods, whole grains, green leafy vegetables and fruits high in dietary fibre, among others). Researchers collected data on cardiovascular and psychopathological status at baseline, three and six months. In addition, anthropometric parameters were analysed monthly.
Results
Forty-four subjects were analysed. Compared to the control group, the intervention group demonstrated improvements in the PANSS-GP subscale and the PSP scale scores over 3–6 months (p < 0.05). Anthropometric values were decreased in all the variables (p < 0.05). Systolic blood pressure decreased between 3 and 6 months (p = 0.049).
Conclusions
Nutrition education for increasing the consumption of foods with high symbiotic content has positively impacted the cardio-metabolic and psychopathological profile in patients with schizophrenia spectrum disorders. In addition, advanced practice mental health nurses have been shown to play a prominent role in developing nutrition education and promoting healthy lifestyles in these patients.
期刊介绍：
The European journal of psychiatry is a quarterly publication founded in 1986 and directed by Professor Seva until his death in 2004. It was originally intended to report “the scientific activity of European psychiatrists” and “to bring about a greater degree of communication” among them. However, “since scientific knowledge has no geographical or cultural boundaries, is open to contributions from all over the world”. These principles are maintained in the new stage of the journal, now expanded with the help of an American editor.
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