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CC BY 4.0 · Rev Bras Ortop (Sao Paulo) 2024; 59(06): e839-e846
DOI: 10.1055/s-0044-1792118
Artigo Original
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Assessment of the Radiographic Angular Parameters in the Coronal Plane of the Lower Limbs in Subjects without Knee Osteoarthritis in a Reference Hospital of the Brazilian Unified Health System

Article in several languages: português | English
Diego Perez da Motta 
1   Centro de Atenção Especializada do Tratamento da Dismetria e Deformidades do Aparelho Locomotor, Instituto Nacional de Traumatologia e Ortopedia, Rio de Janeiro, RJ, Brasil
,
Larissa da Silva 
2   Programa de Residência Médica, Instituto Nacional de Traumatologia e Ortopedia, Rio de Janeiro, RJ, Brasil
,
Leandro Lemgruber Kropf 
1   Centro de Atenção Especializada do Tratamento da Dismetria e Deformidades do Aparelho Locomotor, Instituto Nacional de Traumatologia e Ortopedia, Rio de Janeiro, RJ, Brasil
,
Fernando dos Santos Cerqueira 
1   Centro de Atenção Especializada do Tratamento da Dismetria e Deformidades do Aparelho Locomotor, Instituto Nacional de Traumatologia e Ortopedia, Rio de Janeiro, RJ, Brasil
,
Bruno Domenico Leonetti 
1   Centro de Atenção Especializada do Tratamento da Dismetria e Deformidades do Aparelho Locomotor, Instituto Nacional de Traumatologia e Ortopedia, Rio de Janeiro, RJ, Brasil
,
Flavio dos Santos Cerqueira 
1   Centro de Atenção Especializada do Tratamento da Dismetria e Deformidades do Aparelho Locomotor, Instituto Nacional de Traumatologia e Ortopedia, Rio de Janeiro, RJ, Brasil
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Financial Support The authors declare that the did not receive financial support from agencies in the public, private, or non-profit sectors to conduct the present study.
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Abstract

Objective The present study aims to demonstrate the radiological angular parameters of a sample of patients treated at our institution and to compare the radiological abnormalities with other classifications or parameters from the literature.

Methods We evaluated a sample of patients submitted to panoramic radiographic examinations of the lower limbs. The inclusion criteria were: (1) Patients without knee osteoarthritis as assessed by an orthopedist. (2) Bilateral radiographic evaluation in the panoramic examination of the lower limbs. (3) Panoramic radiographic examination of the lower limbs before any surgical procedure. (4) Patients over 18 years old.

Results We analyzed a total of 1,242 lower limbs. The axis was neutral in 875 lower limbs (70.4%). The main etiology was non-traumatic, with a varus deviation of the tibial segment in 253 cases and the deformity apex in the proximal third of the tibial segment. A valgus deviation of the mechanical axis was more common in non-traumatic etiologies (82.3%). Per the Coronal Plane Alignment of the Knee (CPAK) classification, type I was the most frequent (44.8%), followed by type III (37.1%).

Conclusion We identified changes in the angular parameters in patients from a reference hospital from the Brazilian Unified Health System which were different from population samples from other countries.

Keywords

genu valgum - genu varum - joint deformities, acquired - limb deformities, congenital - osteoarthritis

Work carried out at the Instituto Nacional de Traumatologia e Ortopedia, Rio de Janeiro, RJ, Brazil.




Publication History

Received: 17 March 2024

Accepted: 05 September 2024

Article published online:
21 December 2024

© 2024. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution 4.0 International License, permitting copying and reproduction so long as the original work is given appropriate credit (https://creativecommons.org/licenses/by/4.0/)

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