What does this research mean for the field?

Structured inpatient nutritional rehabilitation for adolescents with anorexia nervosa safely improves cardiovascular and nutritional parameters without causing refeeding syndrome, with baseline BMI z-score being a significant predictor of length of stay. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To identify predictors of hospital length of stay, evaluate cardiovascular recovery, assess refeeding safety, and characterize psychiatric comorbidity in hospitalized adolescents with anorexia nervosa.

August 28, 2026NutrientsOpen Access

Nutritional Rehabilitation and Medical Stabilization of Adolescents with Anorexia Nervosa: Length-of-Stay Predictors, Cardiovascular Recovery, Refeeding Safety, and Psychiatric Comorbidity Burden

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Authors

SESaba F. ElhagQatar Airways (Qatar)AFAbdulla FahmiQatar Airways (Qatar)AAAbdulrahman AlansariUniversity of Business and Technology

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Implication

Retrospective cohort study reveals structured refeeding normalizes heart rate without refeeding syndrome in adolescents with anorexia nervosa, indicating its safety during stabilization.

Key Points

To identify predictors of hospital length of stay, evaluate cardiovascular recovery, assess refeeding safety, and characterize psychiatric comorbidity in hospitalized adolescents with anorexia nervosa.
Retrospective cohort analysis of 68 consecutively admitted adolescents (mean age 14.2 ± 1.8 years, 91.2% female, 85.3% restricting type) between January 2017 and May 2025 at a national tertiary center.
Inpatient treatment utilized a structured nutritional rehabilitation protocol starting at 1000–1200 kcal/day and increasing by 200 kcal/day every 48 hours to 2500–3000 kcal/day alongside daily electrolyte monitoring.
Mean supine heart rate increased by 28.4 bpm (95% CI 25.0–31.8; p < 0.001) from admission to discharge, while bradycardia prevalence fell from 39.7% to 1.5%.
Each 1-unit increase in baseline BMI z-score was associated with an 18.9% shorter length of stay in multivariable regression (p = 0.003).
No cases of refeeding syndrome or hypophosphatemia requiring intervention occurred, whereas 82.4% of patients presented with documented psychiatric comorbidities or clinically significant symptom clusters.

Cite This Study

Elhag et al. (2026) studied this question.

synapsesocial.com/papers/6a91467bd15324a1df3aa201 https://doi.org/10.3390/nu18172789

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Implication

Retrospective cohort study reveals structured refeeding normalizes heart rate without refeeding syndrome in adolescents with anorexia nervosa, indicating its safety during stabilization.

Nutritional Rehabilitation and Medical Stabilization of Adolescents with Anorexia Nervosa: Length-of-Stay Predictors, Cardiovascular Recovery, Refeeding Safety, and Psychiatric Comorbidity Burden

Discussion

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Implication

Key Points

Cite This Study

Nutritional Rehabilitation and Medical Stabilization of Adolescents with Anorexia Nervosa: Length-of-Stay Predictors, Cardiovascular Recovery, Refeeding Safety, and Psychiatric Comorbidity Burden

Discussion

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Implication

Key Points

Cite This Study

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