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Nutritional status of old people with Parkinson’s disease and its associated factors: an integrative review

Abstract

Objective

Identify the factors associated with the Nutritional Status of old people with Parkinson’s disease (PD) through an integrative literature review.

Method

The databases LILACS, MEDLINE, BDENF, Scielo and Pubmed were used with no filters for year of publication nor study design. We included the studies with old population (age ≥60 years) in Portuguese, English or Spanish. Studies not addressing the subject, publications not available in full, and those that did not answer the guiding question were excluded. In addition to the associated factors, information regarding the objectives, study design, investigated sample, instruments for nutritional assessment, and main results were extracted. The methodological quality of the studies was assessed by the instruments Critical Appraisal Skill Program and Agency for Health care and Research and Quality. To summarize the associated factors, the percentage of studies whose intergroup analysis, association or correlation was significant for the expected outcome was considered.

Results

The final analysis resulted in 8 papers. The factors associated with the Nutritional Status among the PD-related clinical variables were duration and severity of the disease, motor symptoms, and cognitive function. Regarding the clinical-nutritional variables, they were associated with body fat, biochemical parameters, physical, domestic and mobility activities, energy intake, and eating habits.

Conclusion

Weight loss in PD is a complex and multifactorial consequence, and the early diagnose of nutritional changes in these patients is essential. Further studies in this population are necessary in order to better understand this process of weight loss in old patients with PD.

Keywords
Health of the Elderly; Nutritional Status; Nutritional Assessment; Parkinson’s Disease

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