Mubarak, J Child Orthop 2009 - Classification of Proximal Tibial Fractures in Children

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Classification of Proximal Tibial Fractures in Children

Mubarak, Bastrom, et al.·J Child Orthop·2009·92 citations·Retrospective cohort

Free Full Text·DOI·PubMed

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Purpose

To develop a classification system for all proximal tibial fractures in children that accounts for force of injury and fracture patterns.

Methods

At our institution, 135 pediatric proximal tibia fractures were treated from 1997 to 2005.
Fractures were classified into four groups according to the direction of force of injury: valgus, varus, extension, and flexion–avulsion.
Each group was subdivided into metaphyseal and physeal type by fracture location and Salter–Harris classification.
Also included were tibial tuberosity and tibial spine fractures.

Results

Of the 135 fractures, 30 (22.2%) were classified as flexion group, 60 (44.4%) extension group, 28 (20.8%) valgus group, and 17 (12.6%) varus group.
The most common type was extension-epiphyseal-intra-articular-tibial spine in 52 fractures (38.5%).
This study shows that proximal tibial fractures are age-dependent in relation to: mechanism, location, and Salter–Harris type.
In prepubescent children (ages 4–9 years), varus and valgus forces were the predominate mechanism of fracture creation.
During the years nearing adolescence (around ages 10–12 years), a fracture mechanism involving extension forces predominated.
With pubescence (after age 13 years), the flexion–avulsion pattern is most commonly seen.
Furthermore, metaphyseal fractures predominated in the youngest population (ages 3–6 years), with tibial spine fractures occurring at age 10, Salter–Harris type I and II fractures at age 12, and Salter–Harris type III and IV physeal injuries occurring around age 14 years.

Conclusions

We propose a new classification scheme that reflects both the direction of force and fracture pattern that appears to be age-dependent. A better understanding of injury patterns based on the age of the child, in conjunction with appropriate pre-operative imaging studies, such as computer-aided tomography, will facilitate the operative treatment of these often complex fractures.

Copyright remains with the authors and publisher.

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Classification of Proximal Tibial Fractures in Children

Mubarak, Bastrom, et al.·J Child Orthop·2009·92 citations·Retrospective cohort

Free Full Text·DOI·PubMed

|

Purpose

To develop a classification system for all proximal tibial fractures in children that accounts for force of injury and fracture patterns.

Methods

At our institution, 135 pediatric proximal tibia fractures were treated from 1997 to 2005.
Fractures were classified into four groups according to the direction of force of injury: valgus, varus, extension, and flexion–avulsion.
Each group was subdivided into metaphyseal and physeal type by fracture location and Salter–Harris classification.
Also included were tibial tuberosity and tibial spine fractures.

Results

Of the 135 fractures, 30 (22.2%) were classified as flexion group, 60 (44.4%) extension group, 28 (20.8%) valgus group, and 17 (12.6%) varus group.
The most common type was extension-epiphyseal-intra-articular-tibial spine in 52 fractures (38.5%).
This study shows that proximal tibial fractures are age-dependent in relation to: mechanism, location, and Salter–Harris type.
In prepubescent children (ages 4–9 years), varus and valgus forces were the predominate mechanism of fracture creation.
During the years nearing adolescence (around ages 10–12 years), a fracture mechanism involving extension forces predominated.
With pubescence (after age 13 years), the flexion–avulsion pattern is most commonly seen.
Furthermore, metaphyseal fractures predominated in the youngest population (ages 3–6 years), with tibial spine fractures occurring at age 10, Salter–Harris type I and II fractures at age 12, and Salter–Harris type III and IV physeal injuries occurring around age 14 years.

Conclusions

We propose a new classification scheme that reflects both the direction of force and fracture pattern that appears to be age-dependent. A better understanding of injury patterns based on the age of the child, in conjunction with appropriate pre-operative imaging studies, such as computer-aided tomography, will facilitate the operative treatment of these often complex fractures.

Copyright remains with the authors and publisher.

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