Pavón S, Lázaro E, Martínez O, Amayra I, López-Paz JF, Caballero P, Al-Rashaida M, Luna PM, García M, Pérez M, Berrocoso S, Rodríguez AA, Pérez-Núñez P. Ketogenic diet and cognition in neurological diseases: a systematic review.
Nutr Rev 2020;
79:802-813. [PMID:
33354711 DOI:
10.1093/nutrit/nuaa113]
[Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
CONTEXT
In recent years, the ketogenic diet has gained special relevance as a possible therapeutic alternative to some neurological and chronic diseases.
OBJECTIVE
The aim of this systematic review was to answer the following question: Does a ketogenic diet improve cognitive skills in patients with Alzheimer's disease, Parkinson's disease, refractory epilepsy, and type 1 glucose deficiency syndrome? To define the research question, the PICOS criteria were used, following the guidelines of the PRISMA method.
DATA SOURCES
Medline/PubMed, Elsevier Science Direct, Dialnet, EBSCOhost, Mediagraphic, Sage Journals, ProQuest, and Wiley Online Library databases were used.
DATA EXTRACTION
After applying inclusion and exclusion criteria in accordance with the PRISMA method, a total of 63 entries published between 2004 and 2019 were used.
DATA ANALYSIS
The records extracted were analyzed from a qualitative approach, so no statistical analysis was carried out.
CONCLUSION
Although scientific literature on the subject is scarce and there has tended to be a lack of scientific rigor, the studies reviewed confirmed the effectiveness of this diet in improving the cognitive symptomatology of the aforementioned diseases.
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