Skeletal Outcomes in Children and Young Adults with Glomerular Disease

Children with glomerular disease have unique risk factors for compromised bone health. Studies addressing skeletal complications in this population are lacking. This retrospective cohort study utilized data from PEDSnet, a national network of pediatric health systems with standardized electronic hea...

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Published in:Journal of the American Society of Nephrology 2022-12, Vol.33 (12), p.2233-2246
Main Authors: Goodwin Davies, Amy J, Xiao, Rui, Razzaghi, Hanieh, Bailey, L Charles, Utidjian, Levon, Gluck, Caroline, Eckrich, Daniel, Dixon, Bradley P, Deakyne Davies, Sara J, Flynn, Joseph T, Ranade, Daksha, Smoyer, William E, Kitzmiller, Melody, Dharnidharka, Vikas R, Magnusen, Brianna, Mitsnefes, Mark, Somers, Michael, Claes, Donna J, Burrows, Evanette K, Luna, Ingrid Y, Furth, Susan L, Forrest, Christopher B, Denburg, Michelle R
Format: Article
Language:English
Subjects:
Child
Clinical Epidemiology
Femur Head Necrosis - diagnostic imaging
Femur Head Necrosis - epidemiology
Femur Head Necrosis - etiology
Humans
Kidney Diseases - complications
Radiography
Retrospective Studies
Slipped Capital Femoral Epiphyses - diagnosis
Slipped Capital Femoral Epiphyses - diagnostic imaging
Treatment Outcome
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Summary:Children with glomerular disease have unique risk factors for compromised bone health. Studies addressing skeletal complications in this population are lacking. This retrospective cohort study utilized data from PEDSnet, a national network of pediatric health systems with standardized electronic health record data for more than 6.5 million patients from 2009 to 2021. Incidence rates (per 10,000 person-years) of fracture, slipped capital femoral epiphysis (SCFE), and avascular necrosis/osteonecrosis (AVN) in 4598 children and young adults with glomerular disease were compared with those among 553,624 general pediatric patients using Poisson regression analysis. The glomerular disease cohort was identified using a published computable phenotype. Inclusion criteria for the general pediatric cohort were two or more primary care visits 1 year or more apart between 1 and 21 years of age, one visit or more every 18 months if followed >3 years, and no chronic progressive conditions defined by the Pediatric Medical Complexity Algorithm. Fracture, SCFE, and AVN were identified using SNOMED-CT diagnosis codes; fracture required an associated x-ray or splinting/casting procedure within 48 hours. We found a higher risk of fracture for the glomerular disease cohort compared with the general pediatric cohort in girls only (incidence rate ratio [IRR], 1.6; 95% CI, 1.3 to 1.9). Hip/femur and vertebral fracture risk were increased in the glomerular disease cohort: adjusted IRR was 2.2 (95% CI, 1.3 to 3.7) and 5 (95% CI, 3.2 to 7.6), respectively. For SCFE, the adjusted IRR was 3.4 (95% CI, 1.9 to 5.9). For AVN, the adjusted IRR was 56.2 (95% CI, 40.7 to 77.5). Children and young adults with glomerular disease have significantly higher burden of skeletal complications than the general pediatric population.
ISSN:1046-6673
1533-3450
DOI:10.1681/ASN.2021101372