Journal of the Academy of Nutrition and Dietetics · 2026
A Scoping Review of Dietary Management for Nondiabetic Gastroparesis: Evidence Limitations and Research Gaps.
СтатьяScoping ReviewНазвание и аннотация: Перевод в очереди
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Fagan Gemma P, Rabheru Reema, Bear Danielle E, Lomer Miranda C E
Аннотация
BACKGROUND: Dietary management is essential in gastroparesis, but existing guidelines primarily focus on diabetic gastroparesis, highlighting a lack of evidence-based guidelines for patients with nondiabetic gastroparesis, who experience higher malnutrition and mortality rates. Management is complicated by a suggested bidirectional relationship with eating disorders.
OBJECTIVE: To investigate evidence on dietary interventions, patterns, and intake in nondiabetic gastroparesis, including effects on symptoms, nutritional outcomes, quality of life (QoL), and their potential role in disordered eating behaviors.
METHODS: A scoping review was conducted using the Joanna Briggs Institute methodology. A comprehensive search was conducted across 8 databases: Embase, MEDLINE, Web of Science Core Collection, Global Health, CINAHL, Scopus, CENTRAL and PsycInfo, alongside gray literature and citation searching. English-language studies from 2008 investigating dietary interventions, patterns, and intake in adults with objectively confirmed nondiabetic gastroparesis (idiopathic, autoimmune-related, postviral, or eating disorder-associated causes) were included. Two reviewers independently screened, extracted data, and synthesized findings using a narrative approach.
RESULTS: Of 6212 articles screened by title/abstract, 88 underwent full-text review, and 13 met inclusion criteria. Of these, 7 studies examined dietary interventions, 5 assessed dietary patterns, and 2 reported dietary intake. Two were randomized controlled trials (RCTs) including 16 participants with nondiabetic gastroparesis; the remaining 11 observational studies included 679 participants with confirmed nondiabetic gastroparesis and 752 for whom cause was unspecified or delayed gastric emptying could not be confirmed. All included studies assessed symptom burden; 5 reported nutritional outcomes, and 2 evaluated dietary impact on QoL. No studies explored the role of diet in disordered eating. Considerable variation was observed in dietary management strategies across studies.
CONCLUSION: Research on dietary management in nondiabetic gastroparesis is limited, with significant variability in interventions, dietary definitions, and study designs, reflecting lack of standardization across intervention protocols and research methodology. Well-designed trials are needed to clarify the impact of diet on symptoms, nutritional status, and QoL, considering psychosocial effects and potential disordered eating risks.
OBJECTIVE: To investigate evidence on dietary interventions, patterns, and intake in nondiabetic gastroparesis, including effects on symptoms, nutritional outcomes, quality of life (QoL), and their potential role in disordered eating behaviors.
METHODS: A scoping review was conducted using the Joanna Briggs Institute methodology. A comprehensive search was conducted across 8 databases: Embase, MEDLINE, Web of Science Core Collection, Global Health, CINAHL, Scopus, CENTRAL and PsycInfo, alongside gray literature and citation searching. English-language studies from 2008 investigating dietary interventions, patterns, and intake in adults with objectively confirmed nondiabetic gastroparesis (idiopathic, autoimmune-related, postviral, or eating disorder-associated causes) were included. Two reviewers independently screened, extracted data, and synthesized findings using a narrative approach.
RESULTS: Of 6212 articles screened by title/abstract, 88 underwent full-text review, and 13 met inclusion criteria. Of these, 7 studies examined dietary interventions, 5 assessed dietary patterns, and 2 reported dietary intake. Two were randomized controlled trials (RCTs) including 16 participants with nondiabetic gastroparesis; the remaining 11 observational studies included 679 participants with confirmed nondiabetic gastroparesis and 752 for whom cause was unspecified or delayed gastric emptying could not be confirmed. All included studies assessed symptom burden; 5 reported nutritional outcomes, and 2 evaluated dietary impact on QoL. No studies explored the role of diet in disordered eating. Considerable variation was observed in dietary management strategies across studies.
CONCLUSION: Research on dietary management in nondiabetic gastroparesis is limited, with significant variability in interventions, dietary definitions, and study designs, reflecting lack of standardization across intervention protocols and research methodology. Well-designed trials are needed to clarify the impact of diet on symptoms, nutritional status, and QoL, considering psychosocial effects and potential disordered eating risks.