Journal of pediatric gastroenterology and nutrition · 2026
Children and adolescents with disorders of gut-brain interaction with comorbid hypermobility and orthostatic intolerance have worse outcomes.
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Santucci Neha, VonAxelson Austin, Li Jesse, Graham Kahleb, Hardy Jennifer, Miller Megan, Sahay Rashmi
Аннотация
OBJECTIVES: Disorders of gut-brain interaction (DGBI) affect about 40% of children and are often comorbid with hypermobility spectrum disorders (HSDs) and orthostatic intolerance (OI). However, how these comorbidities impact outcomes in pediatric DGBI is not well understood. This study aimed to compare outcomes in DGBI patients with HSD, OI, both, or neither.
METHODS: We reviewed records of patients aged 9-21 years from a multidisciplinary DGBI clinic. Patients met Rome IV criteria for DGBI and had documented HSD and/or OI diagnoses from specialists in gastroenterology, rheumatology, genetics, cardiology, adolescent medicine, and others. HSD terms included Ehlers-Danlos syndrome, hypermobile Ehlers-Danlos syndrome, and generalized hypermobility; OI terms included postural orthostatic tachycardia syndrome, dysautonomia, and orthostatic hypotension. Clinical data included the following validated questionnaires: abdominal pain index, nausea severity scale, functional disability inventory, patient health questionnaire-9 (Depression), children somatization inventory, pediatric insomnia severity index, pain catastrophizing scale for children, and screen for child anxiety related disorders (Anxiety). We compared DGBI patients with both HSD and OI, those with either disorder, and those without.
RESULTS: Of 175 patients, 46% had HSD and 43% had OI. Patients with both HSD and OI had significantly worse nausea, depression, disability, and somatization scores than others (p < 0.01). HSD and OI groups individually also showed worse outcomes than non-HSD/non-OI groups. Moderate correlations were found between depression and anxiety in OI and nausea and disability in HSD.
CONCLUSIONS: Comorbid HSD and OI worsen DGBI symptoms. Accurate diagnosis and treatment are critical to improving outcomes due to shared autonomic dysfunction.
METHODS: We reviewed records of patients aged 9-21 years from a multidisciplinary DGBI clinic. Patients met Rome IV criteria for DGBI and had documented HSD and/or OI diagnoses from specialists in gastroenterology, rheumatology, genetics, cardiology, adolescent medicine, and others. HSD terms included Ehlers-Danlos syndrome, hypermobile Ehlers-Danlos syndrome, and generalized hypermobility; OI terms included postural orthostatic tachycardia syndrome, dysautonomia, and orthostatic hypotension. Clinical data included the following validated questionnaires: abdominal pain index, nausea severity scale, functional disability inventory, patient health questionnaire-9 (Depression), children somatization inventory, pediatric insomnia severity index, pain catastrophizing scale for children, and screen for child anxiety related disorders (Anxiety). We compared DGBI patients with both HSD and OI, those with either disorder, and those without.
RESULTS: Of 175 patients, 46% had HSD and 43% had OI. Patients with both HSD and OI had significantly worse nausea, depression, disability, and somatization scores than others (p < 0.01). HSD and OI groups individually also showed worse outcomes than non-HSD/non-OI groups. Moderate correlations were found between depression and anxiety in OI and nausea and disability in HSD.
CONCLUSIONS: Comorbid HSD and OI worsen DGBI symptoms. Accurate diagnosis and treatment are critical to improving outcomes due to shared autonomic dysfunction.