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patellar femoral pain

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https://www.readbyqxmd.com/read/27884141/normal-patellofemoral-kinematic-patterns-during-daily-activities-in-dogs
#1
Erica J Moore, Stanley E Kim, Scott A Banks, Antonio Pozzi, Jason D Coggeshall, Stephen C Jones
BACKGROUND: Patellar abnormalities are a common cause of pain and lameness in dogs; however, in vivo the relative motion between the femur and patella in dogs is not well described. The objective of this study was to define normal in vivo sagittal plane patellofemoral kinematics in three axes of motion using non-invasive methods. We hypothesized patellofemoral alignment in the sagittal plane would tightly correlate with the femorotibial flexion angle. Six healthy dogs without orthopedic disease underwent computed tomography (CT) of their hind limbs to create 3-D models of the patella and femur...
November 25, 2016: BMC Veterinary Research
https://www.readbyqxmd.com/read/27817975/long-term-result-of-arthroplasty-in-the-treatment-of-a-case-of-ochronotic-arthropathy
#2
Sinan Karaoğlu, Fatih Karaaslan, Musa Uğur Mermerkaya
Alkaptonuria is a rare metabolic disease caused by a partial or total deficiency of homogentisic acid oxidase, which results in excess homogentisic acid (HGA) levels. Homogentisic acid and its oxidation products can accumulate in hyaline cartilage, tendons, and ligaments. A 55-year-old male was admitted complaining of worsening chronic pain in his left knee. A radiographic evaluation showed tricompartmental end- stage osteoarthritis. A cemented total knee replacement was performed. At the 10-year follow-up, he had returned to full activity, had no knee pain, and was very satisfied with the outcome...
November 3, 2016: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/27782936/the-lateral-wedge-augmentation-trochleoplasty-in-a-pediatric-population-a-5-year-follow-up-study
#3
Sébastien Pesenti, Benjamin Blondel, Gregory Armaganian, Sébastien Parratte, Gérard Bollini, Franck Launay, Jean-Luc Jouve
Patellofemoral instability in children requires surgery when recurrent dislocation occurs. The aim of this study is to report the 5-year clinical and radiographic outcomes following lateral wedge augmentation trochleoplasty of the femoral trochlea. This is a review of 23 (mean age: 12.5 years) patients who underwent surgery for recurrent patellar dislocations related to a flat trochlea. In every case, a lateral wedge augmentation trochleoplasty was performed with preservation of the growth plate. This surgery was consistently associated with a soft tissue procedure...
October 25, 2016: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/27720514/do-changes-in-patellofemoral-joint-offset-lead-to-adverse-outcomes-in-total-knee-arthroplasty-with-patellar-resurfacing-a-radiographic-review
#4
Jacob Matz, James L Howard, David J Morden, Steven J MacDonald, Matthew G Teeter, Brent A Lanting
BACKGROUND: Patellofemoral joint biomechanics contribute to anterior knee pain, instability, and dysfunction following total knee arthroplasty (TKA). Information about specific factors leading to anterior knee pain and dysfunction is currently limited. Changes in patellofemoral joint offset (PFO) refers to a mismatch between the preoperative and postoperative anteroposterior geometry of the patellofemoral joint. It remains unclear whether these changes lead to adverse outcomes in TKA...
September 14, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27717747/lack-of-stability-at-more-than-12-months-of-follow-up-after-anterior-cruciate-ligament-reconstruction-using-all-inside-quadruple-stranded-semitendinosus-graft-with-adjustable-cortical-button-fixation-in-both-femoral-and-tibial-sides
#5
G Bressy, V Brun, A Ferrier, D Dujardin, N Oubaya, N Morel, N Fontanin, X Ohl
INTRODUCTION: The use of the semitendinosus tendon alone for anterior cruciate ligament reconstruction keeps the gracilis muscle intact and decreases anterior pain in comparison with the use of the patellar tendon. Recently, Lubowitz described a new all-inside technique with an ST4 tendon fixed with a cortical button in both femoral and tibial sides. We hypothesized that this type of graft with cortical button fixation provides well-controlled residual anterior tibial translation (<3mm)...
October 4, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27699725/arthroscopic-lateral-retinacular-release-and-modified-elmslie-trillat-operation-improve-severe-isolated-lateral-patello-femoral-osteoarthritis
#6
Renn-Chia Lin, Ko-Huang Lue, Ko-Hsiu Lu
To evaluate whether arthroscopic lateral retinacular release and the modified Elmslie-Trillat operation improve osteoarthritis (OA) progression and clinical outcomes in patients with severe isolated lateral patello-femoral OA. Nine women (11 knees) and one man (one knee) with isolated late-stage lateral patello-femoral OA underwent surgery. The severity of patello-femoral OA was recorded using the Merchant method, while the level of pain and anterior knee function were scored using the visual analogue scale (VAS) and Kujala knee scores, respectively...
October 3, 2016: Journal of Knee Surgery
https://www.readbyqxmd.com/read/27640794/-clinical-effect-of-total-knee-arthroplasty-on-patients-with-knee-osteoarthritis-combined-with-mild-to-moderate-valgus-knee-deformity
#7
Peng Chen, Min Zeng, Jie Xie, Long Wang, Weiping Su, Yihe Hu
OBJECTIVE: To investigate the clinical effect of total knee arthroplasty on patients with knee osteoarthritis combined with mild to moderate valgus knee deformity.
 METHODS: A total of 15 patients received total knee arthroplasty for correcting mild (10°-15°) to moderate (15°-30°) valgus knee between January 2011 and February 2014 in Xiangya Hospital of Central South University. We adopted a stable prosthesis surgery through patellar medial approach, osteophytes cleaning, conventional osteotomy, a selective soft tissue release and balance technical correcting of knee valgus deformity...
September 28, 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/27580516/assessment-of-the-patellofemoral-cartilage-correlation-of-knee-pain-score-with-magnetic-resonance-cartilage-grading-and-magnetization-transfer-ratio-asymmetry-of-glycosaminoglycan-chemical-exchange-saturation-transfer
#8
Young Han Lee, Jaemoon Yang, Ha-Kyu Jeong, Jin-Suck Suh
PURPOSE: Biochemical imaging of glycosaminoglycan chemical exchange saturation transfer (gagCEST) could predict the depletion of glycosaminoglycans (GAG) in early osteoarthritis. The purpose of this study was to evaluate the relationship between the magnetization transfer ratio asymmetry (MTRasym) of gagCEST images and visual analog scale (VAS) pain scores in the knee joint. MATERIALS AND METHODS: This retrospective study was approved by the institutional review board...
August 28, 2016: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/27538047/mri-of-lower-extremity-impingement-and-friction-syndromes-in-children
#9
Üstün Aydıngöz, Zeynep Maraş Özdemir, Altan Güneş, Fatma Bilge Ergen
Although generally more common in adults, lower extremity impingement and friction syndromes are also observed in the pediatric age group. Encompassing femoroacetabular impingement, iliopsoas impingement, subspine impingement, and ischiofemoral impingement around the hip; patellar tendon-lateral femoral condyle friction syndrome; iliotibial band friction syndrome; and medial synovial plica syndrome in the knee as well as talocalcaneal impingement on the hindfoot, these syndromes frequently cause pain and may mimic other, and occasionally more ominous, conditions in children...
November 2016: Diagnostic and Interventional Radiology: Official Journal of the Turkish Society of Radiology
https://www.readbyqxmd.com/read/27501614/femoral-nerve-block-versus-intra-articular-infiltration-a-preliminary-study-of-analgesic-effects-and-quadriceps-strength-in-patients-undergoing-arthroscopic-anterior-cruciate-ligament-reconstruction
#10
RANDOMIZED CONTROLLED TRIAL
Arissara Iamaroon, Suwitcha Tamrongchote, Busara Sirivanasandha, Pathom Halilamien, Pisit Lertwanich, Sudkanoung Surachetpong, Paweenus Rungwattanakit
BACKGROUND: Adequate analgesia and early rehabilitation is necessary for arthroscopic anterior cruciate ligament reconstruction (A CLR) surgery. OBJECTIVE: To compare analgesia and quadriceps strength after femoral nerve block (FNB) with intra-articular infiltration (IA) using 0.25% bupivacaine for ACLR with patella tendon graft. MATERIAL AND METHOD: Forty patients were randomized to receive FNB under ultrasound guidance with 20 mL of bupivacaine or IA with 15 mL of bupivacaine into the knee joint and 5 mL infiltrated along the incision sites including portal sites at the end of surgery...
May 2016: Journal of the Medical Association of Thailand, Chotmaihet Thangphaet
https://www.readbyqxmd.com/read/27489416/current-practice-variations-in-the-management-of-anterior-cruciate-ligament-injuries-in-delhi
#11
Raju Vaishya, Amit Kumar Agarwal, Sachin Ingole, Vipul Vijay
BACKGROUND: The aim of this study was to determine the current practices and preferences of the arthroscopic surgeons of Delhi in the diagnosis, treatment and rehabilitation of patients with anterior cruciate ligament (ACL) injury. METHODS: It was a cross-sectional descriptive study conducted among arthroscopic surgeons of Delhi. A survey was conducted using a questionnaire that was sent either by e-mail or by direct contact to all sixty arthroscopic surgeons of Delhi...
July 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/27422593/validation-of-the-movement-system-impairment-based-classification-in-patients-with-knee-pain
#12
Mehrnaz Kajbafvala, Ismail Ebrahimi-Takamjani, Mahyar Salavati, Ahmad Saeedi, Zinat Ashnagar, Mohammad Reza Pourahmadi, Mohammad Jafar Shaterzadeh-Yazdi, Ali Amiri
BACKGROUND: Categorizing patients with knee pain problems based on pathoanatomical sources has not proved to be the most effective method for directing physical therapy interventions. Movement system impairment (MSI) classification system may be an alternative in the assessment, diagnosis, and management of patients with knee pain. No previous study has been conducted to validate the proposed system in these patients. OBJECTIVE: To assess construct validity of the MSI classification system in patients with knee pain...
September 2016: Manual Therapy
https://www.readbyqxmd.com/read/27354953/soft-tissue-loop-for-medial-patellofemoral-ligament-reconstruction
#13
Mohd Fairudz Bin Mohd Miswan, Mohamed Zubair Mohamed Al-Fayyadh, Teo Seow Hui, Mohamed Razif Bin Mohamed Ali, Wuey Min Ng
A patient with patellar instability frequently presents with anterior knee pain, patellar subluxation, or dislocation. Medial patellofemoral ligament (MPFL) has a key role for normal patella tracking and stability. Reconstruction of the MPFL using a hamstring graft is a commonly used procedure for the treatment of chronic lateral subluxation of patella. Anchor sutures and bony tunnels are used for the patellar attachment of the graft. This can be associated with complications such as patella fracture; besides, it does not produce an anatomical reconstruction for the native MPFL that can alter the direction of tension applied on the patella...
April 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27318670/percutaneous-rotational-osteotomy-of-the-femur-utilizing-an-intramedullary-rod
#14
Peter M Stevens, Christian J Gaffney, Heather Fillerup
The purpose is to describe the technique and report the results and complications of percutaneous femoral rotational osteotomy, secured with a trochanteric-entry, locked intramedullary rod, in adolescents with femoral anteversion. Our series comprised an IRB approved, retrospective, consecutive series of 85 osteotomies (57 patients), followed to implant removal. The average age at surgery was 13.3 years (range 8.8-18.3) with a female-to-male ratio of 2.8:1. The minimum follow-up was 2 years. Eighty-three osteotomies healed primarily...
August 2016: Strategies in Trauma and Limb Reconstruction
https://www.readbyqxmd.com/read/27317639/medial-patellofemoral-ligament-reconstruction-for-patellar-instability-following-total-knee-arthroplasty-a-review-of-6-cases
#15
A Lamotte, T Neri, A Kawaye, B Boyer, F Farizon, R Philippot
INTRODUCTION: Patellar instability is a frequent cause of total knee arthroplasty (TKA) failure. In cases of post-arthroplasty patellar instability, the medial structures may be damaged. The objective of this study was to study the effectiveness of medial patellofemoral ligament (MPFL) reconstruction. We hypothesized that MPFL reconstruction will effectively realign the patella, making it a viable treatment option for managing post-arthroplasty patellar instability. MATERIAL AND METHODS: In this retrospective study of six patients treated by four different surgeons, patients were included if they had a recurring or permanent patellar dislocation after undergoing TKA...
September 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27284321/treatment-of-patellar-instability-in-a-case-of-hereditary-onycho-osteodysplasia-nail-patella-syndrome-with-medial-patellofemoral-ligament-reconstruction-a-case-report
#16
Yubao Gong, Chen Yang, Yang Liu, Jianguo Liu, Xin Qi
Hereditary onycho-osteodysplasia, also known as nail-patella syndrome (NPS), is a rare genetic disorder that is primarily characterized by poorly developed nails and patella. Patients with NPS frequently suffer from patellar instability that requires surgical management. The present case report describes a 25-year-old man with NPS. The patient presented with left knee pain and was found to have recurrent left patellar dislocation. The knee pain was first reported 1-year after a minor knee trauma incident. Following complete evaluation, a diagnosis of NPS was reached...
June 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27172365/patient-satisfaction-and-functional-outcomes-following-secondary-patellar-resurfacing
#17
Hans-Peter W van Jonbergen, Ashvin V Boeddha, Jos J A M van Raaij
When secondary patellar resurfacing is performed, a uniformly and widely used scoring system that is validated for anterior knee pain caused by a retropatellar degeneration will give more insight into the results of this procedure. The cause of anterior knee pain following total knee arthroplasty (TKA) is not always related to the patella itself. Other causes have been identified, such as an insufficient posterior cruciate ligament in the case of a posterior cruciate-retaining TKA or an internally rotated femoral and/or tibial component...
September 1, 2016: Orthopedics
https://www.readbyqxmd.com/read/27062838/-treatment-of-recurrent-patellar-dislocation-associated-with-old-osteochondral-fracture
#18
Zhu Dai, Di You, Ying Liao, Zhiwei Chen, Jiabin Peng
OBJECTIVE: To explore the treatment methed of recurrent patellar dislocation associated with old osteochondral fracture and to evaluate its effectiveness. METHODS: Between August 2010 and August 2014, 12 cases of recurrent patellar dislocation with old osteochondral fracture were treated. There were 4 males and 8 females with an average age of 18.3 years (range, 15-24 years). The left knee was involved in 7 cases and the right knee in 5 cases. All the patients had a history of patellar dislocation, the average interval from injury to first hospitalization was 7...
January 2016: Chinese Journal of Reparative and Reconstructive Surgery
https://www.readbyqxmd.com/read/27053582/patellar-resurfacing-does-it-affect-outcomes-of-distal-femoral-replacement-after-distal-femoral-resection
#19
Mauricio Etchebehere, Patrick P Lin, Justin E Bird, Robert L Satcher, Bryan S Moon, Jun Yu, Liang Li, Valerae O Lewis
BACKGROUND: Patellar resurfacing after routine arthroplasty remains controversial. Few studies have specifically examined the effect of patellar resurfacing on outcomes after resection of the distal part of the femur and reconstruction with a megaprosthesis. Our objective was to compare the outcomes of megaprosthesis reconstructions of the distal part of the femur with and without patellar resurfacing after resection of a distal femoral tumor. METHODS: We retrospectively reviewed the clinical records of patients with a femoral tumor who underwent resection of the distal part of the femur and endoprosthetic reconstruction between 1993 and 2013...
April 6, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/26971110/visual-palpatory-versus-fluoroscopic-intraoperative-determination-of-the-femoral-entry-point-in-medial-patellofemoral-ligament-reconstruction
#20
R Herschel, A Hasler, P M Tscholl, S F Fucentese
PURPOSE: Malpositioning of the femoral entry point in reconstruction of the medial patellofemoral ligament (MPFL) can lead to abnormal and painful patellar kinematics and loss of flexion. Determination of this point is usually performed by palpation of anatomic landmarks. Accuracy of this method has not yet been investigated. The hypotheses were: 1. palpatory method is not as accurate as fluoroscopically guided method using established radiological criteria; 2. accuracy correlates with surgical experience...
March 12, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
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