腸不全患者における小児の椎体圧迫骨折：前向き観察症例シリーズ

Intestinal failure associated bone disease (IFABD) poses a significant threat to bone health in pediatric patients with intestinal failure (IF) reliant on life-saving parenteral nutrition (PN).

This observational study sought to determine the prevalence of vertebral fractures (VF) detected through lateral thoracolumbar x-rays using Genant criteria in pediatric patients with IF at a single center. It was conducted as part of a larger observational database study of intestinal failure long term outcomes.

Fourteen out of 79 patients with IF were included in the study. The median age of our cohort was 9 years. Short bowel syndrome (SBS) was the cause of IF in nine patients (64 %), with two patients each having a pediatric onset congenital diarrhea & enteropathy (14 %) or dysmotility (14 %) as their primary IF diagnosis, and one patient (7 %) with normal intestinal length and absorption, requiring PN for growth support in the context of chronic vomiting. Three of 14 participants (21 %) had vertebral fractures confirmed on x-rays, two of whom were asymptomatic. Notably, bisphosphonate therapy was initiated in one patient with VF, highlighting the clinical impact of early detection.

Despite study limitations, including a small single center sample size, the identification of VF in 3 out of the 14 participants underscores the need for further investigation in pediatric patients with IF, especially because 2 of these 3 patients were asymptomatic. Multicenter studies in the future may explore risk factors for VF to create guidelines for radiographic screening, surveillance, and treatment in this pediatric population.