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Research: IIZAKA and COLLEAGUES
Listed in Issue 265
Abstract
IIZAKA and COLLEAGUES, 1. Shinji Iizaka, RN, PhD, School of Nutrition, College of Nursing and Nutrition, Shukutoku University. 673 Nitonacho, Chuo-ku, Chiba-shi, Chiba, Japan Phone:81-43-305-1881 E-mail: iizaka-tky@umin.ac.jp studied the association of nutritional status and habitual dietary intake with skin conditions in community-dwelling older people in Japan
Background
Prevention of frail skin is important in older people because frail skin is associated with a risk of injury in this population. In this study, we investigated the association of nutritional status and habitual dietary intake with skin conditions in community-dwelling older people.
Methodology
Design: Cross-sectional study; Setting: Three community settings in Japan from autumn to winter; Participants: Older people aged ≥65 years without care-need certification (n=118); Measurements: Malnutrition and obesity were evaluated to assess the nutritional status. Nutrient and food group intakes per 1000 kcal were evaluated using a brief self-administered diet history questionnaire. Dietary patterns based on food groups were evaluated by principal component analysis. Skin condition parameters, including stratum corneum hydration, appearance of xerosis (specific symptom sum score [SRRC score]), and dermal intensity by high-frequency ultrasonography, were measured on a lower leg. Multiple linear regression analysis was performed with adjustment for confounders.
Results
The mean (standard deviation) age was 74.1 (4.8) years, and 83.1% of participants were female. A higher intake of plant fat (p=0.018) was associated with a lower SRRC score. Higher intakes of α-tocopherol (p=0.050) and vitamin C (p=0.017) were associated with increased dermal intensity. A body mass index ≥25 (p=0.016) was associated with decreased dermal intensity. A dietary pattern characterized by higher vegetable and fruit intake was associated with a better skin condition.
Conclusion
Plant fat, antioxidant vitamins, and a dietary pattern characterized by vegetables and fruits showed positive and obesity showed negative associations for frail skin in community-dwelling older people.
References
Iizaka S1, Nagata S, Sanada H. Nutritional Status and Habitual Dietary Intake Are Associated with Frail Skin Conditions in Community-Dwelling Older People. J Nutr Health Aging 21(2):137-146. 2017. doi: 10.1007/s12603-016-0736-8.
Comment
The above research demonstrated that higher levels of plant fats, antioxidant vitamins with diets replete with fruits and vegetables were associated with lower specific symptom sum (SRRC) score and better skin condition; bmi >25 (body mass index) was associated with lower dermal intensity.
