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Year : 2021  |  Volume : 7  |  Issue : 2  |  Page : 98-109

Acquired long bone defects classifications: Literature review (Part II – long bone defects around the joint)

1 Department of Orthopaedic Trauma, Moscow City Clinical Hospital #13, 1/1 Velozavodskaya str., Moscow, Russian Federation
2 Department of Military Traumatology and Orthopedics, S.M. Kirov Military Medical Academy, 13 Botkinskaya str., Saint Petersburg, Russian Federation
3 Limb Lengthening and Complex Reconstruction Service, Hospital for Special Surgery, New York, USA
4 Department of Traumatology and Orthopedics, Vreden National Medical Research Center of Traumatology and Orthopedics, 8 Akademik Baykov str.; Chair of Traumatology and Orthopedics, Saint Petersburg State Pediatric Medical University, 2 Litovskaya str., Saint Petersburg, Russian Federation

Correspondence Address:
Dr. Anton A Semenistyy
Inozemcev Moscow City Clinical Hospital, Fortunatovskaya Street 1, Moscow 105187
Russian Federation
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jllr.jllr_28_21

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Introduction: In recent years, multiple classifications of long bone defects around the joint (LBDAJ) have been proposed. However, there is no universal clinical classification of LBDAJ to date. Through comprehensive literature review, we aim to identify the criteria that may be used to develop a future universal classification of LBDAJ. Materials and Methods: We performed a comprehensive review of the literature to identify all articles describing classification systems of LBDAJ in both native and prosthetic joints. Two reviewers searched the following electronic databases independently: The Cochrane Bone, Joint and Muscle Trauma Group, MEDLINE, and eLibrary. Studies investigating bone defects around the joint reporting a classification or any criteria to classify bone defects were included in this review. All studies not related to bone articular surfaces were excluded. Results: A total of 15 classifications for LBDAJ in the preserved joint were. Most systems considered the size of bone defect as a key criterion for clinical decision-making. A total of 31 classifications for periprosthetic bone defects related to hip, knee and shoulder arthroplasty were identified. The following criteria were used by different authors to classify periprosthetic bone defects: Location (n = 22), size (n = 20), containment (n = 9), discontinuity (n = 6), shape or geometrical characteristics of the defect (n = 4), fracture (n = 2), and deformity. Conclusion: Despite the large variety of the existing classifications of bone defects around the joint, there is no classification that could be considered universal. For the development of a future universal classification, defect location, size, and containment are likely to be the main factors to consider as important.

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