Body mass index as a prognostic factor in development of infantile Blount disease

Journal of Pediatric Orthopedics
Allison C ScottElroy Sullivan

Abstract

Obesity has been associated with infantile Blount disease, yet no specific relationship has been established. The purpose of this study was to determine the relationship between body mass index (BMI) and the development of infantile Blount disease. A retrospective study was performed reviewing charts and radiographs of 69 consecutive children between 2 and 4 years old who presented during a 5-year period with the diagnosis of idiopathic genu varum. Forty-nine of these children were noted to have physiological bowing that resolved. Twenty children were diagnosed with infantile Blount disease that required treatment. Logistic regression analysis compared the 2 groups and showed no statistical difference between their age at presentation and age of walking. An independent group Student t test showed a significant statistical difference for body weight, BMI percentile, and weight for height percentile between children with physiological bowlegs and Blount disease. A highly significant difference between the 2 groups was shown in the patient's BMI, proximal tibial metaphyseal-diaphyseal angle, and tibial femoral angle. Based on these data, criteria were established for predicting Blount disease: a tibial metaphyseal-diaphyseal angle...Continue Reading

References

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Citations

Jan 17, 2014·Journal of Children's Orthopaedics·Brad A CulottaThomas Sellers
Feb 27, 2009·Current Opinion in Pediatrics·Gilbert Chan, Christopher T Chen
Dec 2, 2014·The Orthopedic Clinics of North America·Sanjeev Sabharwal
Nov 26, 2010·The Orthopedic Clinics of North America·F Keith GettysSteven L Frick
Jan 15, 2014·Clinical Pediatrics·Ayla GüvenL İhsan Kuru
Dec 5, 2017·Journal of Pediatric Endocrinology & Metabolism : JPEM·Johanne Lind PlesnerJens-Christian Holm
Jun 28, 2019·Orthopaedic Surgery·Tinh LaoharojanaphandPerajit Eamsobhana
Mar 14, 2017·Journal of Pediatric Orthopedics·Janet L WalkerRyan Muchow
Jan 15, 2015·Journal of Pediatric Orthopedics. Part B·Alexander M CherkashinAna L Munhoz Da Cunha
Oct 28, 2019·Journal of Pediatric Orthopedics. Part B·Radjen R BanwarieHeleen M Staal
Jun 20, 2015·Journal of Pediatric Orthopedics·Matthew D TaussigJonathan G Schoenecker
Jun 9, 2016·Journal of Pediatric Orthopedics·Laughter LisendaAnthony J F Robertson
Jun 12, 2013·Journal of Pediatric Orthopedics·Sanjeev SabharwalCaixia Zhao
Jul 16, 2019·Journal of Pediatric Orthopedics·Janet L WalkerRyan Muchow
May 29, 2012·The Journal of Bone and Joint Surgery. American Volume·Sanjeev Sabharwal, Michael Z Root
May 14, 2021·BMJ Paediatrics Open·Niels JansenHeleen M Staal

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