Calorie Needs of Older People With Restrictive Eating Disorders Undergoing Refeeding

IF 3.2 2区心理学 Q1 PSYCHIATRY

European Eating Disorders Review Pub Date : 2026-10-12 Epub Date: 2026-07-08 DOI:10.1002/erv.70146

Jordyn L. Learner, Dan V. Blalock, Kamila Cass, Kelsey Dworkin, Meghan Foley, Dennis Gibson, Marina Foster, Ann Koutsavlis, Shelby Sitko, Cheryl Lundberg, Philip S. Mehler

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引用次数: 0

Abstract

Objective

While historically viewed as illnesses of youth, restrictive eating disorders (EDs), including anorexia nervosa, restricting subtype (AN-R), and avoidant/restrictive food intake disorder (ARFID), affect women of all ages, yet there is limited understanding of effective interventions and best practices for refeeding of older patients. This study examined whether age affects kcal needs during refeeding and whether caloric needs differ between diagnoses.

Method

In this retrospective cohort study, average kcal needs for a one-point increase in body mass index (BMI) were assessed for 417 female patients receiving inpatient medical stabilisation for AN-R or ARFID, comparing females < 20 years of age, 20–29, 30–39, and 40+ years using linear regression and chi-square tests of independence.

Results

Average kcals needed for a one-point increase in BMI was 1870 kcal (SD = 1410). Average kcals needed per one-point increase in BMI were not statistically different amongst the age groups (p = 0.30). Patients with AN-R needed significantly fewer kcals than patients with ARFID for a similar amount of weight gain.

Discussion

In this high-acuity inpatient sample, caloric needs for weight restoration were similar across age groups. Patients with ARFID required more calories than those with AN-R. Age-based prescription reductions may therefore be unwarranted, supporting individualised, diagnosis-informed refeeding.

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进食障碍的老年人的卡路里需求

目的：虽然历史上被视为年轻人的疾病，但限制性饮食失调（EDs），包括神经性厌食症，限制性亚型（AN-R）和回避/限制性食物摄入障碍（ARFID），影响所有年龄段的女性，但对老年患者重新进食的有效干预和最佳实践的了解有限。这项研究调查了年龄是否会影响重新进食时的卡路里需求，以及不同诊断的卡路里需求是否不同。方法：在这项回顾性队列研究中，对417名因AN-R或ARFID而接受住院医疗稳定治疗的女性患者进行体重指数（BMI）增加1点所需的平均卡路里需求进行评估，并对女性进行比较。结果：BMI增加1点所需的平均卡路里为1870千卡（SD = 1410）。体重指数每增加1点所需的平均卡路里在各年龄组之间没有统计学差异（p = 0.30）。与ARFID患者相比，AN-R患者在相同的体重增加量下需要的卡路里明显更少。讨论：在这个高急性住院病人样本中，各年龄组体重恢复的热量需求相似。ARFID患者比AN-R患者需要更多的卡路里。因此，基于年龄的处方减少可能是没有根据的，支持个体化的、诊断知情的再喂养。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

European Eating Disorders Review PSYCHOLOGY, CLINICAL-

CiteScore

8.90

自引率

7.50%

发文量

期刊介绍： European Eating Disorders Review publishes authoritative and accessible articles, from all over the world, which review or report original research that has implications for the treatment and care of people with eating disorders, and articles which report innovations and experience in the clinical management of eating disorders. The journal focuses on implications for best practice in diagnosis and treatment. The journal also provides a forum for discussion of the causes and prevention of eating disorders, and related health policy. The aims of the journal are to offer a channel of communication between researchers, practitioners, administrators and policymakers who need to report and understand developments in the field of eating disorders.