Abstract
Os autores estudaram em joelhos de 11 cadáveres a presença do ligamento femoropatelar medial.Em 6 joelhos o estudo foi anatômico por dissecção e secção seriada das peças anatômicas.Em 5 joelhos o estudo foi artroscópico pela visibilização nos joelhos do ligamento encontrado nos seis joelhos estudados anatomicamente. Em todas as peças anatômicas foi possível a dissecção da estrutura ligamentar descrita como o ligamento femoropatelar medial e nos cinco joelhos estudados sob visão artroscópica a visibilização e identificação do ligamento foi evidente.
Highlights
The acute dislocation of the femoropatellar joint is not a frequent event
A clinical history including the report of the trauma, the painful misstep, and hemarthrosis, is common to most acute knee injuries where a clinical examination is hard to perform due to the presence of pain and muscle spasms, preventing the joint from moving appropriately, something that would facilitate a precise clinical diagnosis
The treatment of acute femoropatellar dislocation is still controversial, since some authors confuse the treatment for luxation with the realignment of the extensor apparatus
Summary
The acute dislocation of the femoropatellar joint is not a frequent event. It occurs as a consequence of traumas resulting from an association of rottaional movements with varying degrees of knee bending.A clinical history including the report of the trauma, the painful misstep, and hemarthrosis, is common to most acute knee injuries where a clinical examination is hard to perform due to the presence of pain and muscle spasms, preventing the joint from moving appropriately, something that would facilitate a precise clinical diagnosis.In 1974 Hughston et al(6) reported that acute femoropatellar dislocation is the most frequent cause of diagnostic error in the evaluation of acute knee injuries.The treatment of acute femoropatellar dislocation is still controversial, since some authors confuse the treatment for luxation with the realignment of the extensor apparatus.This study was performed in the Laboratory of Arthroscopy, Institute of Orthopedics and Traumatology, Hospital das Clinicas, Faculty of Medicine, University of Sao Paulo, Sao Paulo, SP, Brazil. The acute dislocation of the femoropatellar joint is not a frequent event. It occurs as a consequence of traumas resulting from an association of rottaional movements with varying degrees of knee bending. A clinical history including the report of the trauma, the painful misstep, and hemarthrosis, is common to most acute knee injuries where a clinical examination is hard to perform due to the presence of pain and muscle spasms, preventing the joint from moving appropriately, something that would facilitate a precise clinical diagnosis. In 1974 Hughston et al(6) reported that acute femoropatellar dislocation is the most frequent cause of diagnostic error in the evaluation of acute knee injuries.
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