• Yongsoon Park, Jinhee Park, Yeonsun Kim, Heejoon Baek, and Seung Hyun Kim.
• Department of Food and Nutrition, Hanyang University, Seoul, Korea. Electronic address: yongsoon@hanyang.ac.kr.
• Nutrition. 2015 Nov 1; 31 (11-12): 1362-7.

ObjectiveThe nutritional status of patients with amyotrophic lateral sclerosis (ALS) has been shown to be associated with mortality. However, there have not been, to our knowledge, any studies on the association between nutritional status and disease severity. The present study investigated the hypothesis that nutritional status was negatively associated with disease severity using the ALS functional rating scale (ALSFRS-R).MethodsOne hundred ninety-three Korean ALS patients were divided into tertiles based on their ALSFRS-R score. Dietary intake was measured using 24 h recall and nutritional status was determined by body mass index (BMI) and geriatric nutritional risk index (GNRI).ResultsBMI and GNRI were significantly lower in patients in the lowest tertile of ALSFRS-R. BMI and GNRI also correlated with ALSFRS-R score, bulbar score, albumin levels, total lymphocyte count, and total daily energy expenditure. Intakes of energy and most nutrients were significantly lower in patients in the lowest tertiles of ALSFRS-R, but significances disappeared after adjusting for energy intake. Intakes of vegetables, grains, seasonings, and oils were also significantly lower in patients in the lowest tertile of ALSFRS-R. In addition, patients in the lowest tertile of ALSFRS-R were significantly younger at disease onset, had a longer duration of ALS, less regular exercise, and less sun exposure.ConclusionNutritional status, as assessed by BMI and GNRI, was negatively associated with disease severity using ALSFRS-R. The present study suggested that intake of nutrients decreases with disease progression in ALS patients.Copyright © 2015 Elsevier Inc. All rights reserved.

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