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Prediction of Chronicity of Anterior Cruciate Ligament Tear Using MRI Findings
Clinics in Orthopedic Surgery ; : 19-25, 2013.
Artículo en Inglés | WPRIM | ID: wpr-88122
ABSTRACT

BACKGROUND:

The estimation of anterior cruciate ligament (ACL) tear is required in certain cases involving legal and financial administration, such as the worker's compensation and/or insurance. The aim of this study is to propose and evaluate a quantitative evaluation instrument to estimate the chronicity of the ACL tear, based on the four magnetic resonance imaging (MRI) findings.

METHODS:

One hundred and fifty one cases of complete ACL tear confirmed by arthroscopy were divided into 4 groups according to the time from ACL injury to MRI acquisition acute ( 1 year). The four MRI findings including ACL morphology, joint effusion, posterior cruciate ligament angle, and bone bruise were analyzed for temporal changes among the 4 groups. Binary logistic regression equations were formulated using the MRI findings to estimate the chronicity of ACL tear in a quantitative manner, and the accuracy of the formulated regression equations was evaluated.

RESULTS:

The four MRI findings showed substantial temporal correlation with the time-limits of ACL injury to be included in the estimation model. Three predictive binary logistic equations estimated the probability of the ACL injury for the three cutoff time-limits of 6 weeks, 3 months, and 1 year with accuracies of 82.1%, 89.4%, and 89.4%, respectively.

CONCLUSIONS:

A series of predictive logistic equations were formulated to estimate the chronicity of ACL tear using 4 MRI findings with chronological significance.
Asunto(s)

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Factores de Tiempo / Imagen por Resonancia Magnética / Modelos Logísticos / Enfermedad Crónica / Estudios Retrospectivos / Ligamento Cruzado Anterior / Traumatismos de la Rodilla Tipo de estudio: Estudio diagnóstico / Estudio observacional / Estudio pronóstico / Factores de riesgo Límite: Adolescente / Adulto / Niño / Femenino / Humanos / Masculino Idioma: Inglés Revista: Clinics in Orthopedic Surgery Año: 2013 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Factores de Tiempo / Imagen por Resonancia Magnética / Modelos Logísticos / Enfermedad Crónica / Estudios Retrospectivos / Ligamento Cruzado Anterior / Traumatismos de la Rodilla Tipo de estudio: Estudio diagnóstico / Estudio observacional / Estudio pronóstico / Factores de riesgo Límite: Adolescente / Adulto / Niño / Femenino / Humanos / Masculino Idioma: Inglés Revista: Clinics in Orthopedic Surgery Año: 2013 Tipo del documento: Artículo