نتایج جستجو برای: patellar dislocation

تعداد نتایج: 32446  

Journal: :Journal of orthopaedic surgery 2016
C S N Yeoh K Y Lam

PURPOSE To compare the tibial tubercle to trochlear groove (TT-TG) distance and index using magnetic resonance imaging (MRI) between children with onetime and recurrent patellar dislocation. METHODS Records of first-time acute patellar dislocations from 2007 to 2012 were reviewed. 20 males and 23 females aged 10 to 17 years at presentation were included for measurements of the bony and cartil...

2012
Chun-Hao Tsai Chin-Jung Hsu Chih-Hung Hung Horng-Chaung Hsu

Acute traumatic patellar dislocation is a common injury in the active and young adult populations. MRI of the knee is recommended in all patients who present with acute patellar dislocation. Numerous operative and non-operative methods have been described to treat the injuries; however, the ideal management of the acute traumatic patellar dislocation in young adults is still in debate. This art...

Journal: :The American journal of sports medicine 2011
Peter Balcarek Klaus Jung Karl-Heinz Frosch Klaus Michael Stürmer

BACKGROUND A lateralized tibial tubercle may be a relevant anatomic factor in patients with patellar instability and can be used as an indication for a distal realignment procedure. However, parameter values for the tibial tuberosity-trochlear groove (TT-TG) distance in the young patient have not been defined. It also remains to be determined how this parameter contributes to patellar instabili...

2018
Raashad Hasan Wiqqas Jamil

The medial patellofemoral ligament (MPFL) is a key soft tissue stabilizer of the medial patella, with deficiency proven to be a key contributor to patellar dislocation. Reconstruction of this ligament has become a widely employed procedure in managing patients with recurrent patellar dislocation, and is also gaining popularity in the setting of primary dislocation. A wide variety of techniques ...

Journal: :Journal of Medical Case Reports 2008
Frederick Michels Nicole Pouliart Dirk Oosterlinck

INTRODUCTION Acute patellar dislocation is a relatively common problem. The most common dislocation is laterally in the coronal plane. Sometimes spontaneous reduction occurs, but if not, closed reduction can easily be done. In this paper, we report a very uncommon type of locked dislocation which required an open reduction. CASE PRESENTATION A 16-year-old girl of Hispanic origin sustained a s...

2010

Background: There are a number of different factors that are thought to play a role in patellar instability, including injuries to the medial patellofemoral ligament (MPFL), trochlear dysplasia, patella alta, and an increased tibial tuberosity-trochlear groove (TT-TG) distance. Objective: To use MRI to assess injury patterns to the MPFL, trochlear dysplasia, patellar height, and TT-TG distance ...

Journal: :Lijecnicki vjesnik 2011
Damir Matoković Miroslav Haspl Josko Smilović Nikola Gotovac

Acute patellar dislocation is a common injury in young athletes, which occurs due to inappropriate biomechanical relations and anatomic deviations in the area of knee joint. In these unfavorable conditions, abrupt and vigorous strain of the quadriceps muscle of the thigh may result in lateral patellar dislocation. A case is presented of a young male athlete with acute patellar dislocation and c...

2009
Risto Nikku Yrjänä Nietosvaara Kari Aalto Pentti E Kallio

BACKGROUND AND PURPOSE Several mechanisms are responsible for patellar dislocation. We investigated how the primary pathomechanism relates to patient characteristics and the outcome. METHODS 126 patients (81 females) with primary patellar dislocation reported the knee position before the episode, the movement during it, and whether the patella was locked in dislocation. The median age was 20 ...

2015
Joshua C. Rozell

Introduction Chronic post-traumatic dislocation of the patella is rare and results in persistent dislocation throughout the arc of motion of the knee. Whereas newborns with trochlear dysplasia may exhibit congenital patellar dislocation, typical delayed presentation in adults is often due to trauma and can progress to painful motion and secondary osteoarthritis. Although rare, recurrent disloca...

Journal: :acta medica iranica 0
fardin mirzatolooei department of orthopedic surgery, faculty of medicine, urmia university of medical sciences, urmia, iran.

recurrent dislocation of patella may occur in patients with ligament laxity. method of treatment in this condition is controversial but patellofemoral ligament reconstruction is the most accepted method. we present a patient with rubinstein-taybi syndrome and recurrent patellar dislocation who managed successfully by patellofemoral ligament reconstruction.

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