Vitamin D Deficiency in Slipped Upper Femoral Epiphysis: Time to Physeal Fusion

Journal of Pediatric Orthopedics
Julia JuddNicholas M P Clarke

Abstract

Slipped upper femoral epiphysis (SUFE) has an incidence of 1 to 7 per 100,000 adolescents in the United Kingdom and its link with obesity is well established. With an increasing number of pediatric orthopaedic patients presenting with vitamin D deficiency, the aim of our study was to establish the prevalence of vitamin D deficiency in SUFE patients presenting to an orthopaedic department in the United Kingdom and whether a low vitamin D level increases the time to proximal femoral physeal fusion after surgical fixation. A total of 27 pediatric patients, with a female to male ratio of 17:10 and a mean age of 11.5 years (SD=1.99), range 8 to 16 years, presented with a SUFE and their vitamin D level was assessed during the study period, June 2007 to July 2012 (inclusive). The majority of these patients (85.2%) were assessed as vitamin D deficient, with a serum 25-(OH)D<52 nmol/L. The time taken for >50% physeal fusion on anteroposterior radiography after surgical fixation reported in the literature is 9.6 months, with no reported vitamin D deficiency or insufficiency. In our study, the median time to physeal fusion in the vitamin D-deficient and vitamin D-insufficient patients was 25 months (interquartile range, 17 to 43 mo; mean ...Continue Reading

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Citations

Sep 30, 2017·Journal of Pediatric Orthopedics·Randall T Loder, Chris A Schneble
Mar 12, 2019·Journal of Pediatric Orthopedics·Barbara MinkowitzUNKNOWN AHS Bone Health Compliance Group
Jul 31, 2021·JBJS Case Connector·Matthew RosenKristin Harmon
Jul 8, 2021·Journal of Pediatric Orthopedics·Jennifer J BeckBarbara Minkowitz

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