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Bone mineral analysis and X-ray examination of the bone in patients with biliary atresia
K Ohshima1, Y Kubo, N Samejima
1First Department of Surgery, Asahikawa Medical College, Japan.
Insights
Children with biliary atresia (B.A.) may experience slower bone development and rickets. Postoperative liver issues in B.A. patients correlate with lower bone mineral content and vitamin D levels.
Area of Science:
- Pediatrics
- Biochemistry
- Radiology
Background:
- Biliary atresia (B.A.) is a serious condition affecting infants.
- Bone health is a critical concern in pediatric B.A. management.
Observation:
- Bone mineral content (BMC) to bone width (BW) ratio showed slower age-related increase in B.A. patients with postoperative liver issues.
- Radiographs revealed rickets in 40% of B.A. patients.
- Serum calcium and 25-OH-vitamin D levels were significantly lower in B.A. patients with liver disturbance.
Findings:
- Children with biliary atresia and postoperative liver complications exhibit impaired bone mineralization.
- Rickets is a notable complication in this patient group.
- Low vitamin D and calcium levels are associated with poorer bone health outcomes.
Implications:
- Early monitoring of bone health and vitamin D levels is crucial for pediatric B.A. patients.
- Targeted interventions may improve bone mineralization and prevent rickets.
- Understanding these complications can guide long-term B.A. patient care.
Abstract:
Investigations of bone mineral content, X-ray of the radius and ulna and serum biochemical analysis were performed in 10 children with biliary atresia (B.A.) and 150 healthy children. The patients were classified into 2 groups, namely; group A, comprised of 5 patients whose postoperative courses went well, and group B, comprised of 5 patients who developed various degrees of liver disturbance postoperatively. The ratio of bone mineral content (BMC) to bone width (BW) (BMC/BW) increased in accordance with age in the healthy children and the patients of group A, but was relatively slow in the patients of group B. Signs of rickets were found on the X-rays of 4 of the 10 patients, while serum levels of calcium and 25-OH-vitamin D in the group B patients were significantly lower than those in the group A patients or healthy children. Serum levels of alkaline phosphatase (Alp) fluctuated, but serum Alp was elevated in all the patients with rickets.