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

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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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2   Programa de Residência Médica, Instituto Nacional de Traumatologia e Ortopedia, Rio de Janeiro, RJ, Brasil
,
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
,
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
,
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
,
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
› Institutsangaben
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.

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




Publikationsverlauf

Eingereicht: 17. März 2024

Angenommen: 05. September 2024

Artikel online veröffentlicht:
21. Dezember 2024

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