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https://www.readbyqxmd.com/read/28932880/double-bundle-anatomical-medial-patellofemoral-ligament-reconstruction-with-lateral-retinaculum-plasty-can-lead-to-good-outcomes-in-patients-with-patellar-dislocation
#1
Yingzhen Niu, Xinmin Wang, Chang Liu, Xiaomeng Wang, Zhenyue Dong, Jinghui Niu, Fei Wang
PURPOSE: To evaluate the clinical outcomes of double-bundle anatomical medial patellofemoral ligament (MPFL) reconstruction combined with lateral retinaculum plasty versus isolated MPFL reconstruction for patellar dislocation. METHODS: From 2011 to 2013, 64 patients underwent either double-bundle anatomical MPFL reconstruction combined with lateral retinaculum plasty (Group A, 32 patients), or isolated MPFL reconstruction (Group B, 32 patients). Clinical evaluations were performed 2 years post-operatively and included determination of the number of patients with patellar redislocation, the patellar tilt angle, lateral patellar shift, subjective symptoms, and functional outcomes as evaluated with the Kujala score and Lysholm score...
September 20, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28932876/effective-patellofemoral-joint-stabilization-and-low-complication-rates-using-a-hardware-free-mpfl-reconstruction-technique-with-an-intra-operative-adjustment-of-the-graft-tension
#2
Lars V von Engelhardt, Torsten Fuchs, Pia Weskamp, Joerg Jerosch
PURPOSE: Even if medial patellofemoral ligament (MPFL) reconstruction is a proven method, complications such as implant loosening, patella fractures, recurrent luxations, knee pain or knee stiffness are frequently described. Besides a correct tunnel positioning and implant-specific complications, this might be caused by difficulties with an appropriate graft tensioning. The study presented here is a necessary first step in exploring our technique of a double-limbed, hardware-free MPFL reconstruction, which provides another way to test and adjust the graft tension before permanent fastening...
September 20, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28932491/osteophytes-removal-in-patella-versus-lateral-facetectomy-of-the-patella-in-patella-retaining-total-knee-arthroplasty
#3
Mehdi Moghtadaei, Mohammad Reza Miniator Sajadi, Hossein Farahini, Ali Yeganeh
BACKGROUND: In this study, the results of the partial lateral facetectomy of the patella to better patellofemoral motion and congruence are compared with the results of the osteophyte removal of the patella and neurectomy only in total knee arthroplasty (TKA). METHODS: Data from 55 patients undergoing TKA with osteophytes removal of the patella and neurectomy only, and those undergoing osteophytes removal of the patella and neurectomy and partial lateral facetectomy were reviewed retrospectively...
March 2017: Interventional Medicine & Applied Science
https://www.readbyqxmd.com/read/28929187/morden-synthetic-material-is-a-safe-and-effective-alterative-for-medial-patellofemoral-ligament-reconstruction
#4
Paul Y F Lee, David Golding, Sam Rozewicz, Amit Chandratreya
PURPOSE: Medial patellofemoral ligament (MPFL) reconstruction is often performed using gracilis autografts, which may be associated with donor site morbidity and complications. The use of a synthetic material can circumvent a harvest operation and has previously been demonstrated to be effective in other types of reconstructive procedures and may be effective in MPFL reconstruction. This study reports the clinical result with the use of a morden ultra-high molecular weight polyethylene with a braided jacket of polyester tape (FT) in MPFL reconstruction compared to using standard autografts...
September 19, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28928114/patient-education-in-patellofemoral-pain-potentially-potent-and-essential-but-under-researched
#5
EDITORIAL
Michael Skovdal Rathleff, Janus Laust Thomsen, Christian J Barton
No abstract text is available yet for this article.
September 19, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28922015/over-the-top-acl-reconstruction-plus-extra-articular-lateral-tenodesis-with-hamstring-tendon-grafts-prospective-evaluation-with-20-year-minimum-follow-up
#6
Stefano Zaffagnini, Giulio Maria Marcheggiani Muccioli, Alberto Grassi, Tommaso Roberti di Sarsina, Federico Raggi, Cecilia Signorelli, Francisco Urrizola, Paolo Spinnato, Eugenio Rimondi, Maurilio Marcacci
BACKGROUND: There are few published studies with very long-term follow-up of combined intra- and extra-articular anterior cruciate ligament (ACL) reconstruction. PURPOSE: To analyze clinical and radiographic outcomes of over-the-top ACL reconstruction plus extra-articular lateral tenodesis with autologous hamstrings at minimum 20-year follow-up. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: Of 60 originally eligible patients who underwent over-the-top ACL reconstruction with double-stranded hamstring tendon (leaving intact graft tibial insertions) and extra-articular lateral plasty (performed with the remnant part of tendons), 52 were prospectively evaluated at a minimum 20-year follow-up (mean follow-up, 24 years; 41 men, 11 women; mean age at time of surgery, 25...
September 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28918784/-treatment-of-patellar-instability
#7
Martin Lind, Peter Faunø, Ole Gade Sørensen, Bjarne Mygind-Klavsen
First-time patellar luxation appears typically in teenagers and young adults below the age of 16 years, with a prevalence of 45/100,000/year. This luxation is treated with brief limited mobility in a bandage, and with a complementary physiotherapy if the mobility is influenced afterwards. Risk factors for patellar instability are patellofemoral dysplasia, hyperlaxity, patella alta and valgus malalignment in the knee joint. In case of repeated luxation the treatment is surgical, i.e. reconstruction of the medial patellofemoral ligament recreating the medial patella-stabilizing structures...
September 18, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28918783/-treatment-of-patellofemoral-pain-includes-more-than-knee-rehabiliation
#8
Michael Skovdal Rathleff, Negar Pourbordbari, Martin Bach Jensen, Jens Lykkegaard Olesen
Patellofemoral pain is a debilitating condition which affects one in 14 adolescents and a similar number of adults. It is characterized by peri- or retropatellar pain during loaded bending of the knee. The purpose of this review is to provide a short, up-to-date review of the diagnostics, differential diagnostics and evidence-based treatment for both adolescents and adults with patellofemoral pain. The key message is that treatments of patellofemoral pain should include a combination of patient education to support self-management and exercises to strengthen the hip and knee muscles...
September 18, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28914334/the-clinical-and-radiological-results-of-individualized-surgical-treatment-depending-on-pathologic-abnormalities-in-recurrent-patellar-dislocation-low-recurrence-rate-but-unintended-patella-baja
#9
Do Kyung Lee, Joon Ho Wang, Seung Hoon Kang, Jun Ho Kim, Russel Haque, Byung Hoon Lee
PURPOSE: To evaluate the clinical and radiological outcomes and chondral lesion change using individualized surgery for recurrent patellar dislocation. METHODS: A total of 31 knees with recurrent patellar dislocation underwent surgery depending on individual pathologic abnormalities. Pathologic abnormalities including medial laxity, lateral tightness, increased tibial tuberosity (TT)-to-trochlear groove distance (>20 mm), and patella alta (Caton-Deschamps ratio >1...
September 15, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28910133/a-comparison-of-2-year-outcomes-in-patients-undergoing-tibiofemoral-or-patellofemoral-matrix-induced-autologous-chondrocyte-implantation
#10
Jay R Ebert, Adrian Schneider, Michael Fallon, David J Wood, Gregory C Janes
BACKGROUND: Matrix-induced autologous chondrocyte implantation (MACI) has demonstrated encouraging clinical results in the treatment of knee chondral defects. However, earlier studies suggested that chondrocyte implantation in the patellofemoral (PF) joint was less effective than in the tibiofemoral (TF) joint. PURPOSE: To compare the radiological and clinical outcomes of those undergoing MACI to either the femoral condyles or PF joint. STUDY DESIGN: Cohort study; Level of evidence, 3...
September 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28903010/effect-of-loading-on-in-vivo-tibiofemoral-and-patellofemoral-kinematics-of-healthy-and-acl-reconstructed-knees
#11
Jarred M Kaiser, Michael F Vignos, Richard Kijowski, Geoffrey Baer, Darryl G Thelen
BACKGROUND: Although knees that have undergone anterior cruciate ligament reconstruction (ACLR) often exhibit normal laxity on clinical examination, abnormal kinematic patterns have been observed when the joint is dynamically loaded during whole body activity. This study investigated whether abnormal knee kinematics arise with loading under isolated dynamic movements. HYPOTHESIS: Tibiofemoral and patellofemoral kinematics of ACLR knees will be similar to those of the contralateral uninjured control knee during passive flexion-extension, with bilateral differences emerging when an inertial load is applied...
September 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28900573/the-effects-of-a-multimodal-rehabilitation-program-on-pain-kinesiophobia-and-function-in-a-runner-with-patellofemoral-pain
#12
Samuele Passigli, Pietro Capacci, Emanuele Volpi
BACKGROUND AND PURPOSE: Multimodal interventions possess the strongest evidence in the long-term management of patellofemoral pain, but despite receiving evidence-based treatments that are initially effective many patients report recurrent or persistent symptoms for years after the initial diagnosis. Untreated psychological factors could be a possible explanation for persistent symptoms and poor treatment outcome. The purpose of this case report was to describe and evaluate the effects of a multimodal rehabilitation program that included pain education, a graded program of lower limb strengthening, and running retraining on pain, kinesiophobia, and function in a runner with patellofemoral pain...
August 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28889222/the-predictive-factors-of-secondary-patellar-resurfacing-in-computer-assisted-total-knee-arthroplasty-a-prospective-cohort-study
#13
Florent Franck, Hervé Ouanezar, Alexandre Jacquel, Vincent Pibarot, Julien Wegrzyn
PURPOSE: The decision to resurface the patella during total knee arthroplasty (TKA) remains controversial. This prospective cohort study aimed to evaluate the outcome and survivorship of the native patella in computer-assisted TKA (CAS TKA) implanted for primary knee osteoarthritis, and to determine the predictive factors of secondary patellar resurfacing (SPR). METHODS: A prospective cohort of 273 cementless ultra-congruent mobile-bearing CAS TKA implanted without patellar resurfacing was included in our total joint registry...
September 9, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28888909/association-of-varus-thrust-with-prevalent-patellofemoral-osteoarthritis-a-cross-sectional-study
#14
Hirotaka Iijima, Naoto Fukutani, Yuko Yamamoto, Masakazu Hiraoka, Kazuyuki Miyanobu, Masashi Jinnouchi, Eishi Kaneda, Takuya Isho, Tomoki Aoyama, Hiroshi Kuroki, Shuichi Matsuda
This cross-sectional study investigated (i) the association of varus thrust during gait with the presence of patellofemoral osteoarthritis (PFOA) in patients with medial knee osteoarthritis (OA) and (ii) patellar alignment in the knees with varus thrust. Participants from orthopedic clinics (n=171; mean age, 73.4 years; 71.9% female) diagnosed with radiographic medial knee OA (Kellgren/Lawrence [K/L] grade ≥1) were included in this study, and underwent gait observation for varus thrust assessment using 2D video analysis...
August 31, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28884103/lateral-patellar-retinacular-release-changes-over-the-last-ten-years
#15
REVIEW
Leonardo Pini Rosalem Marciano da Fonseca, Ednei Haruo Kawatake, Alberto de Castro Pochini
Lateral retinacular release is a useful resource in knee surgery that can be used for disorders of the extensor mechanism. For many years, it was indiscriminately used in the treatment of the various patellofemoral joint alterations, with conflicting functional results. This study aimed to analyze the changes that have occurred in the indications and clinical effectiveness of lateral retinacular release by reviewing the relevant literature of the past ten years, comparing it to the classic literature on the subject...
June 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28884099/medial-patellofemoral-ligament-and-medial-patellotibial-ligament-reconstruction-in-children-preliminary-results
#16
David Sadigursky, Lucas Cortizo Garcia, Maurício Armede, Lucas Rodrigues de Oliveira, Rogério Jamil Fernandes Carneiro, Paulo Oliveira Colavolpe
OBJECTIVE: The aim of this study was to evaluate the reconstruction of the medial patellofemoral ligament associated with the medial patellotibial ligament in skeletally immature patients. METHOD: This is a case series study in patients with patellar instability with open physis. In total, seven patients were evaluated: four males and three females were operated using the proposed technique. Patients with open physis who had more than two episodes of recurring patellar dislocation were included...
June 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28878459/carryover-effect-of-hip-and-knee-exercises-program-on-functional-performance-in-individuals-with-patellofemoral-pain-syndrome
#17
Hamada Ahmed Hamada, Amira Hussein Draz, Ghada Mohamed Koura, Ibtissam M Saab
[Purpose] This study was carried out to investigate the carryover effect of hip and knee exercises program on functional performance (single legged hop test as functional performance test and Kujala score for functional activities). [Subjects and Methods] Thirty patients with patellofemoral pain syndrome were randomly assigned into two equal groups. Group (A) consisted of 15 patients undergoing hip strengthening exercises for four weeks then measuring all variables followed by additional four weeks of knee exercises program then measuring all variables again...
August 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28872404/operative-vs-nonoperative-treatment-after-acute-patellar-dislocation-which-is-more-effective-at-reducing-recurrence-in-adolescents
#18
Julie Fuller, Heidi Hammil, Kelly Pronschinske, Chris Durall
Clinical Scenario: Acute patellar dislocation most commonly affects young, active individuals.(1) Regardless of treatment, patellar dislocation may lead to patellofemoral instability. Two common approaches for treating acute patellar dislocation are surgical stabilization and nonoperative treatment via patellar bracing and exercise.(2) This review was conducted to determine if current best evidence supports one of these treatment approaches over the other for reducing dislocation recurrence in adolescents. Focused Clinical Question: In adolescents with acute patellar dislocation, how does operative stabilization compare with nonoperative treatment for reducing dislocation recurrence?...
September 5, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28870758/posterior-condylar-offset-influences-the-intraoperative-soft-tissue-balance-during-posterior-stabilized-total-knee-arthroplasty
#19
Masanori Tsubosaka, Koji Takayama, Shinya Oka, Hirotsugu Muratsu, Ryosuke Kuroda, Tomoyuki Matsumoto
PURPOSE: This study aimed to clarify the influence of the posterior condylar offset (PCO) on intraoperative soft tissue balance including the joint component gap and varus ligament balance measured by an offset-type tensor during posterior-stabilized (PS) total knee arthroplasty (TKA). METHODS: In this study, 35 patients with osteoarthritis of the knee underwent PS TKA. Intraoperative soft tissue balance including the joint component gap and varus/valgus ligament balance were assessed at 0°, 10°, 45°, 90°, and 135° of flexion with an offset-type tensor that could be used with the femoral component placement and patellofemoral joint reduction...
September 1, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28870143/characteristics-and-outcome-of-patellofemoral-pain-in-adolescents-do-they-differ-from-adults
#20
Marienke van Middelkoop, Rianne A van der Heijden, Sita M A Bierma-Zeinstra
Study Design Case-series with one-year follow-up. Background Most of the recommendations on the diagnosis, treatment, and prognosis of patellofemoral pain (PFP) are based on research performed in adults. The literature suggest potential differences between adolescent and adults with PFP. Objectives To investigate differences in characteristics, symptoms, and prognosis at 1-year follow-up, between adolescents and adults with PFP. Methods Data from 64 patients with PFP at baseline and one-year follow-up were used...
September 4, 2017: Journal of Orthopaedic and Sports Physical Therapy
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