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https://www.readbyqxmd.com/read/27904790/current-concepts-in-the-treatment-of-gross-patellofemoral-instability
#1
Grant Buchanan, LeeAnne Torres, Brian Czarkowski, Charles E Giangarra
: Patellofemoral instability is a painful and commonly recurring condition, which often must be managed surgically. Diagnosis can be aided by the use of a variety of physical exam signs, such as the Q angle, Beighton hypermobility score, glide test, J sign, patellar tilt test, and apprehension test. Imaging modalities including x-ray, CT, and MRI guide both diagnosis and management by revealing trochlear dysplasia, bony malalignment, and ligamentous injury that contribute to instability...
December 2016: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/27590642/does-the-utilization-of-allograft-tissue-in-medial-patellofemoral-ligament-reconstruction-in-pediatric-and-adolescent-patients-restore-patellar-stability
#2
Eric Hohn, Nirav K Pandya
BACKGROUND: Medial patellofemoral ligament (MPFL) reconstruction is one of several surgical procedures used to treat patellofemoral instability. Use of allograft tissue can preserve autogenous tissue and may be preferable in patients with connective tissue disorders or ligamentous laxity. Although there are successful reports in adults, it is unclear if the use of allograft tissue in MPFL reconstruction can restore patellofemoral stability in children and adolescents. QUESTIONS/PURPOSES: (1) Does allograft tissue in MPFL reconstruction in pediatric and adolescent patients restore patellar stability? (2) What complications were associated with allograft MPFL reconstructions in children and adolescents? METHODS: Between June 2012 and August 2015, one surgeon (NKP) performed 26 MPFL reconstructions in 23 patients with gracilis allograft for traumatic patellar instability...
September 2, 2016: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27274428/physical-therapy-intervention-for-medial-patellofemoral-ligament-reconstruction-after-repeated-lateral-patellar-subluxation-dislocation
#3
Teresa Errigo Vitale, Brianne Mooney, Ashley Vitale, Demitra Apergis, Stephen Wirth, Mark G Grossman
BACKGROUND: The incidence of patellar subluxation or dislocation has been documented up to 43/100,000 with females more prevalent then males. There are many contributing factors involving the hip, knee, and ankle that lead to patellar subluxation. A patellar position of lateral tilt with lateral glide may indicate weakness of the vastus medialis oblique (VMO) and adductors, increased tightness in the iliotibial band, and overpowering of the vastus lateralis. Patella alta can predispose an individual to lateral dislocation due to the patella placement outside of the femoral trochlear groove with a disadvantage of boney stability...
June 2016: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/26407998/-combined-trochleoplasty-and-medial-patellofemoral-ligament-reconstruction-for-patellofemoral-instability
#4
M Nelitz, S R M Williams
OBJECTIVE: Combined anatomical reconstruction of the MPFL and deepening trochleoplasty to improve the stability of the patellofemoral joint in patients with severe trochlear dysplasia. INDICATIONS: Confirmed patellofemoral instability with recurrent dislocations and high-grade trochlear dysplasia. CONTRAINDICATIONS: Open distal femoral physis, degenerative changes of the patellofemoral joint grade ICRS III-IV. SURGICAL TECHNIQUE: Diagnostic arthroscopy, exposure of the femoral trochlea through a lateral parapatellar arthrotomy and preparation of an osteochondral flake were carried out...
December 2015: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/26361441/medial-patella-subluxation-diagnosis-and-treatment
#5
REVIEW
Mark A McCarthy, Mathew J Bollier
Medial patella subluxation is a disabling condition typically associated with previous patellofemoral instability surgery. Patients often describe achy pain with painful popping episodes. They often report that the patella shifts laterally, which occurs as the medial subluxed patella dramatically shifts into the trochlear groove during early knee flexion. Physical examination is diagnostic with a positive medial subluxation test. Nonoperative treatment, such as focused physical therapy and patellofemoral stabilizing brace, is often unsuccessful...
2015: Iowa Orthopaedic Journal
https://www.readbyqxmd.com/read/24993410/patellar-instability
#6
REVIEW
Jason L Koh, Cory Stewart
Patella instability can cause significant pain and functional limitations. Several factors can predispose to patella instability, such as ligamentous laxity, increased anterior TT-TG distance, patella alta, and trochlear dysplasia. Acquired factors include MPFL injury or abnormal quadriceps function. In many cases, first-time dislocation can successfully be managed with physical therapy and other nonoperative management; however, more than one dislocation significantly increases the chance of recurrence. Surgical management can improve stability, but should be tailored to the injuries and anatomic risk factors for recurrent dislocation...
July 2014: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/24790782/rehabilitation-of-a-23-year-old-male-after-right-knee-arthroscopy-and-open-reconstruction-of-the-medial-patellofemoral-ligament-with-a-tibialis-anterior-allograft-a-case-report
#7
Scott Cheatham, Morey J Kolber, William J Hanney
BACKGROUND: Patellar dislocations are traumatic injuries that occur most often in individuals under the age of twenty and are related to sports and physical activity. Currently, there are no published reports describing the rehabilitation of younger males after arthroscopy and open reconstruction of the medial patellofemoral ligament (MPFL) using a tibialis anterior allograft. CASE DESCRIPTION: The subject of this case report was a 23 year-old recreational male athlete who underwent right knee arthroscopic patellar chondroplasty, lateral retinacular release, partial lateral menisectomy, and an open MPFL reconstruction with a tibialis anterior allograft after sustaining a second patellar dislocation...
April 2014: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/24400192/medial-patellofemoral-ligament-reconstruction-with-semitendinosus-autograft
#8
James D Wylie, Robert T Burks
Patellar instability is a common complaint after traumatic dislocation of the patella. Traumatic dislocation always leads to tearing of the medial patellofemoral ligament (MPFL). Treatment consists of recovery from the traumatic injury, followed by reconditioning and physical therapy to strengthen the dynamic stabilizers of the patella. In patients with recurrent instability, detailed evaluation of the cause is required to determine the needed interventions. In patients with an incompetent MPFL and recurrent instability, reconstruction is indicated, along with other procedures to address other contributing factors...
2013: Arthroscopy Techniques
https://www.readbyqxmd.com/read/23111806/anatomic-reconstruction-of-the-medial-patellofemoral-ligament-in-children-and-adolescents-with-open-growth-plates-surgical-technique-and-clinical-outcome
#9
Manfred Nelitz, Jens Dreyhaupt, Heiko Reichel, Julia Woelfle, Sabine Lippacher
BACKGROUND: Recurrent lateral patellar dislocation is a common knee injury in the skeletally immature adolescent. Because of the open physis, operative therapy in children is challenging. This study presents the outcomes of a minimally invasive technique for anatomic reconstruction of the medial patellofemoral ligament (MPFL) in children that respects the distal femoral physis. HYPOTHESIS: Anatomic reconstruction of the MPFL in children that maintains the distal femoral physis will prevent redislocation, preserve the distal femoral physis, and improve knee function...
January 2013: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/22484369/arthroscopic-extraarticular-reconstruction-of-the-medial-patellofemoral-ligament-with-gracilis-tendon-autograft-surgical-technique
#10
Rainer Siebold, Carlo Angelo V Borbon
The standard approach to reconstruct the medial patellofemoral ligament (MPFL) is by mini-open incision at its patellar insertion and femoral origin. At the medial patella rim, the MPFL insertion may be visualized in most cases by dissection during surgery. On the femur, it is more difficult to localize the MPFL remnants by a mini-open incision due to soft tissue covering the anatomical origin. Therefore, the femoral MPFL origin is usually identified by intraoperative lateral fluoroscopy. However, the insertion and origin of the MPFL at the patella and femur might be directly visualized using an arthroscopic extraarticular approach from the knee joint through a window of the synovial layer...
July 2012: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/22016458/traumatic-patellar-dislocation-nonoperative-treatment-compared-with-mpfl-reconstruction-using-patellar-tendon
#11
RANDOMIZED CONTROLLED TRIAL
Alexandre Carneiro Bitar, Marco Kawamura Demange, Caio Oliveira D'Elia, Gilberto Luis Camanho
BACKGROUND: Over the long term, acute patellar dislocations can result in patellar instability, with high recurrence rates after nonoperative treatment. PURPOSE: To compare the results of operative (reconstruction of the medial patellofemoral ligament [MPFL]) versus nonoperative treatment of primary patellar dislocation. STUDY DESIGN: Randomized controlled trial; Level of evidence, 1. METHODS: Thirty-nine patients (41 knees) (mean age, 24...
January 2012: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/21544786/-the-treatment-of-patellar-dislocation-a-systematic-review
#12
REVIEW
S Frosch, P Balcarek, T A Walde, J P Schüttrumpf, M M Wachowski, K-G Ferleman, K M Stürmer, K-H Frosch
AIM: The diagnosis and treatment of patellar dislocation is very complex. The aim of this study is to give an overview of the biomechanics of the patellofemoral joint and to point out the latest developments in diagnosis and treatment of patellar dislocation. METHOD: The authors electronically searched Medline, Cochrane and Embase for studies on the biomechanics of the patellofemoral joint and for conservative and surgical treatments after patellar dislocation. We extracted baseline demographics, biomechanical, conservation and surgical details...
December 2011: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/17080652/treatment-of-chondral-defects-in-the-patellofemoral-joint
#13
Andreas H Gomoll, Tom Minas, Jack Farr, Brian J Cole
Patellofemoral disease is one of the most controversial management issues in orthopedic surgery. Nonoperative management as a prerequisite first line treatment is successful in the majority of cases. However, a small subset of patients with persistent pain after adequate rehabilitation will be potential candidates for surgical intervention. Careful assessment of the underlying pathomechanics is critical for a successful outcome; these include malalignment of the extensor mechanism, trochlear dysplasia, soft-tissue imbalance, and chondral damage...
October 2006: Journal of Knee Surgery
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