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Patellofemoral arthritis

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https://www.readbyqxmd.com/read/29951262/trochlear-dysplasia-imaging-and-treatment-options
#1
Cécile Batailler, Philippe Neyret
Recurrent patellar dislocation is a disabling condition, which can lead to articular cartilage injuries, osteochondral fractures, recurrent instability, pain, decreased activity and patellofemoral osteoarthritis. Trochlear dysplasia represents an important component of patellar dislocation.Imaging provides an objective basis for the morphological abnormalities and thus allows determination of the surgical strategy according to the concept of 'à la carte' surgery.The main surgical techniques of trochleoplasty are the sulcus deepening trochleoplasty, the 'Bereiter' trochleoplasty and the recession trochleoplasty...
May 2018: EFORT Open Reviews
https://www.readbyqxmd.com/read/29721690/advances-in-patellofemoral-arthroplasty
#2
REVIEW
Sabrina M Strickland, Mackenzie L Bird, Alexander B Christ
PURPOSE OF REVIEW: To describe current indications, implants, economic benefits, comparison to TKA, and functional and patient-reported outcomes of patellofemoral arthroplasty. RECENT FINDINGS: Modern onlay implants and improved patient selection have allowed for recent improvements in short- and long-term outcomes after patellofemoral joint replacement surgery. Patellofemoral arthroplasty has become an increasingly utilized technique for the successful treatment of isolated patellofemoral arthritis...
June 2018: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/29629916/distal-femoral-varus-osteotomy-for-the-management-of-valgus-deformity-of-the-knee
#3
Seth L Sherman, Samuel F Thompson, John C F Clohisy
Distal femoral varus osteotomy is a well-described treatment option for patients with valgus malalignment associated with a variety of underlying conditions. This procedure may be the definitive treatment option in active patients with isolated lateral compartment osteoarthritis or posttraumatic arthritis. It may be a useful concomitant procedure in young patients with lateral meniscus deficiency, focal chondral defects, chronic medial collateral ligament insufficiency, and/or patellofemoral instability. Distal femoral varus osteotomy can be performed with medial closing wedge or lateral opening wedge techniques...
May 1, 2018: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/29628679/patellofemoral-arthroplasty-current-concepts
#4
REVIEW
Rory Cuthbert, Saket Tibrewal, Sheo B Tibrewal
Isolated patellofemoral arthritis (IPA) is a debilitating condition characterised by a loss of articular cartilage on the patella facets, the trochlear groove or both. By definition, patients with IPA must have normal cartilage in the tibiofemoral compartments of their knee. It is therefore logical to pursue arthroplasty which corrects the abnormality while sparing healthy bone and preserving the knee's native kinematics, which is the premise underpinning patellofemoral arthroplasty (PFA). However, its use remains controversial, with many surgeons still favouring total knee replacement (TKR) in these patients...
January 2018: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/29576487/total-knee-arthroplasty-with-patellar-retention-the-severity-of-patellofemoral-osteoarthritis-did-not-affect-the-clinical-and-radiographic-outcomes
#5
Won-Joon Cho, Seong-Il Bin, Jong-Min Kim, Bum-Sik Lee, Dong-Wook Sohn, Young-Hee Kwon
BACKGROUND: The purpose of this study is to compare the clinical and radiographic outcomes of total knee arthroplasty (TKA) with patellar retention in accordance with the severity of patellofemoral arthritis. METHODS: We retrospectively reviewed patients who underwent TKA with patellar retention using the NexGen LPS or LPS-flex system between September 2010 and May 2015. The radiographic severity of patellofemoral arthritis was categorized according to the Iwano classification system, and subjects were divided into mild (stage 0-I) and moderate to severe (stage II-IV) groups...
July 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29456776/what-percentage-of-patients-is-a-candidate-for-unicompartmental-knee-replacement-at-a-chinese-arthroplasty-center
#6
Yong He, Lianbo Xiao, Weitao Zhai, Maximilian F Kasparek, Guilin Ouyang, Friedrich Boettner
Background: Data on indication of Unicompartmental Knee Arthroplasty (UKA) in the Asian population are currently not available. The current paper evaluates patients undergoing knee replacement at a Chinese Orthopaedic Specialty Hospital to report the percentage of patients who meet radiographic and clinical indication criteria for UKA. Methods: Over a one-year period 463 consecutive patients (515 knees) underwent primary knee replacement surgery. Clinical data were recorded and preoperative radiographs were assessed...
2018: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/29397287/clinical-outcomes-after-arthroscopic-release-of-patellofemoral-arthrofibrosis-in-patients-with-prior-anterior-cruciate-ligament-reconstruction
#7
Sean P Calloway, Clinton J Soppe, Bert R Mandelbaum
PURPOSE: The purpose of this study was to review our results of arthroscopic release in patients diagnosed with refractory patellofemoral arthrofibrosis (PFA) after having undergone anterior cruciate ligament (ACL) reconstruction. METHODS: From 2006 to 2016, all patients who underwent arthroscopic release for refractory PFA after ACL reconstruction were reviewed retrospectively. All patients then completed surveys containing the International Knee Documentation Committee (IKDC) and the Western Ontario and McMaster Universities Arthritis Index (WOMAC) and were asked 2 subjective questions...
May 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29369174/a-case-report-and-literature-review-on-fabella-syndrome-after-high-tibial-osteotomy
#8
Taehun Kim, Haksun Chung, Hyungmin Lee, Young Choi, Jung-Hwan Son
RATIONALE: The fabella is a normal structure, but is occasionally reported to cause posterior knee pain. The aim of this study was to present fabella syndrome after high tibial osteotomy. PATIENT CONCERNS: A 55-year-old female patient was admitted to the hospital due to about 1 year and 8 months of left knee pain. Sclerosis was observed in the anterior margin of the fabella in the preoperative magnetic resonance (MR) T2 image, and reactive bone marrow was found and was considered to be due to degeneration of the distal femur...
January 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29322904/modular-bicompartmental-knee-arthroplasty-indications-technique-prosthetic-design-and-results
#9
R Kanna
The shifting demographics of patients with localized knee arthritis, including younger, more active patients, is a chief motivation for mounting interest in tissue preserving surgical substitutes for total knee arthroplasty (TKA). Unlinked, modular bi-compartmental knee arthroplasty (MBKA) is an emerging knee-resurfacing approach that provides a conservative alternative to TKA. Arthritis involving both patellofemoral and either medial or lateral tibiofemoral compartments, with no significant deformity or bone deficiency, preserved motion, and intact cruciate ligaments, can be effectively managed with MBKA...
March 2017: Acta Orthopaedica Belgica
https://www.readbyqxmd.com/read/29229415/return-to-sports-after-tibial-tubercle-osteotomy-for-patellofemoral-pain-and-osteoarthritis
#10
Joseph N Liu, Hao-Hua Wu, Grant H Garcia, Irene L Kalbian, Sabrina M Strickland, Beth E Shubin Stein
PURPOSE: To determine the rate of return to sports and clinical outcomes after anteromedialization (AMZ) tibial tubercle osteotomy (TTO) for patients with patellofemoral pain and/or osteoarthritis. METHODS: This study is a retrospective case series of consecutive patients who underwent unilateral or staged bilateral AMZ TTO for a primary diagnosis of patellofemoral pain or arthritis. Included were all patients with minimum 1-year follow-up. The indication for surgery was failure of at least 6 months of nonoperative treatment...
April 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29139573/gait-patterns-symptoms-and-function-in-patients-with-isolated-tibiofemoral-osteoarthritis-and-combined-tibiofemoral-and-patellofemoral-osteoarthritis
#11
Harvi F Hart, Kay M Crossley, Michael A Hunt
The purpose of this study was to compare hip and knee biomechanics during walking in individuals with isolated tibiofemoral osteoarthritis (TFOA), combined TFOA and patellofemoral osteoarthritis (PFOA), and those without knee osteoarthritis (OA), and to compare patient-reported symptoms and function in individuals with isolated TFOA and those with combined TFOA and PFOA. Participants with and without knee OA were assessed and categorized into (i) no OA, (ii) isolated TFOA, and (iii) combined TFOA and PFOA, based on Kellgren and Lawrence diagnostic criteria...
November 15, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29021089/patellofemoral-arthritis-treated-with-resurfacing-implant-clinical-outcome-and-complications-at-a-minimum-two-year-follow-up
#12
Juan Pablo Zicaro, Carlos Yacuzzi, Juan Astoul Bonorino, Lisandro Carbo, Matias Costa-Paz
BACKGROUND: This study evaluated the clinical and radiographic outcomes of a series of patients treated with an anatomic inlay resurfacing implant, with a minimum two-year follow-up. METHODS: Fifteen patients underwent patellofemoral-resurfacing procedures using a HemiCAP Wave Patellofemoral Inlay Resurfacing implant from 2010 to 2013. Clinical outcomes included: Visual Analog Scale (VAS), Lysholm score, Knee Society Score (KSS), and evaluation of Kujala, and Hospital for Special Surgery Patellofemoral score (HSS-PF)...
December 2017: Knee
https://www.readbyqxmd.com/read/28970998/a-modified-osteotomy-for-anteromedialization-of-the-tibial-tubercle
#13
Michael G Saper, Benjamin A Cox, David A Shneider
Tibial tubercle osteotomy is a common treatment option for a number of patellofemoral joint disorders including chondromalacia, "anterior knee pain" syndromes, patellofemoral arthritis, and patellar instability. Tibial tubercle osteotomy can modify tracking and/or patellofemoral contact forces to effect the unloading of chondral defects of the patella or trochlea, correct multiplanar suboptimal alignment, and be used in conjunction with soft-tissue stabilization procedures for instability. The purpose of this Technical Note is to describe, in detail, a modified osteotomy for anteromedialization of the tibial tubercle...
August 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28861196/patellofemoral-joint-arthroplasty-early-results-and-functional-outcome-of-the-zimmer-gender-solutions-patello-femoral-joint-system
#14
Donald Osarumwense, Farhan Syed, Obi Nzeako, Segun Akilapa, Omer Zubair, Jon Waite
BACKGROUND: Improved knee prosthesis designs have led to an increase in the use of patellofemoral arthroplasty as a primary treatment option in recent times. We report the early results and outcomes of the Zimmer Gender Solutions Patello-Femoral Joint (PFJ) system used to treat isolated patellofemoral osteoarthritis (PFA). METHODS: We retrospectively reviewed and analysed data of patients who underwent PFJ replacement (PFJR) at our institution with a minimum follow-up of 2 years...
September 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/28793978/patellofemoral-arthroplasty-conversion-to-total-knee-arthroplasty-retrieval-analysis-and-clinical-correlation
#15
Alexander B Christ, Elexis Baral, Chelsea Koch, Beth E Shubin Stein, Alejandro Gonzalez Della Valle, Sabrina M Strickland
BACKGROUND: Patellofemoral arthroplasty (PFA) can be a successful, bone-sparing treatment for isolated patellofemoral arthritis. However, progression of tibio-femoral arthritis or incorrect indications may predispose patients to early conversion to total knee arthroplasty (TKA). The purpose of this study was to review the clinical cases and perform retrieval analysis of PFA conversions to TKA at our institution. METHODS: Twenty one patellofemoral arthroplasties in 18 patients that were converted to TKA were identified through our implant retrieval registry...
October 2017: Knee
https://www.readbyqxmd.com/read/28768432/effects-of-surgical-factors-on-cartilage-can-be-detected-using-quantitative-magnetic-resonance-imaging-after-anterior-cruciate-ligament-reconstruction
#16
MULTICENTER STUDY
Keiko Amano, Alan K Li, Valentina Pedoia, Matthew F Koff, Aaron J Krych, Thomas M Link, Hollis Potter, Scott Rodeo, Xiaojuan Li, C Benjamin Ma, Sharmila Majumdar
BACKGROUND: Quantitative magnetic resonance (qMR) can be used to measure macromolecules in tissues and is a potential method of observing early cartilage changes in the development of posttraumatic osteoarthritis. Hypothesis/Purpose: We hypothesized that specific patient and surgical factors affecting cartilage matrix composition after anterior cruciate ligament (ACL) reconstruction (ACLR) can be detected using T1ρ and T2 relaxation times. Our purpose was to demonstrate this ability in a multicenter feasibility study...
April 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28641970/the-interaction-of-caseload-and-usage-in-determining-outcomes-of-unicompartmental-knee-arthroplasty-a-meta-analysis
#17
REVIEW
Thomas W Hamilton, James M Rizkalla, Leonidas Kontochristos, Barbara E Marks, Stephen J Mellon, Christopher A F Dodd, Hemant G Pandit, David W Murray
BACKGROUND: Outcomes after unicompartmental knee arthroplasty (UKA) are variable and influenced by caseload (UKA/y) and usage (percentage of knee arthroplasty that are UKA), which relates to indications. This meta-analysis assesses the relative importance of these factors. METHODS: MEDLINE (Ovid), Embase (Ovid), and Web of Science (ISI) were searched for consecutive series of cemented Phase 3 Oxford medial UKA. The primary outcome was revision rate/100 observed component years (% pa) with subgroup analysis based on caseload and usage...
October 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28594527/management-of-patellofemoral-arthritis-from-cartilage-restoration-to-arthroplasty
#18
Brian A Mosier, Elizabeth A Arendt, Diane L Dahm, David Dejour, Andreas H Gomoll
The management of patellofemoral cartilage lesions is controversial and should begin with a comprehensive nonsurgical treatment plan. Patients with patellofemoral cartilage lesions in whom nonsurgical treatment fails may be candidates for surgical treatment. Surgical treatment strategies for the management of patellofemoral cartilage lesions are guided by the size, quality, and location of the defect. Recent advancements in cartilage restoration and arthroplasty techniques as well as appropriate patient selection and meticulous surgical technique have resulted in promising outcomes for patients with patellofemoral cartilage lesions who undergo surgical treatment...
February 15, 2017: Instructional Course Lectures
https://www.readbyqxmd.com/read/28594500/patellofemoral-arthroplasty-an-evolving-science
#19
Jess H Lonner
Patellofemoral arthroplasty (PFA) has long been a clinical option for patients with isolated patellofemoral arthritis. However, a high rate of failure as a result of patellar instability related to component malposition, soft-tissue imbalance, errant surgical techniques, and poor trochlear implant designs contributed to the underutilization of PFA. The evolution of surgical indications, trochlear implant design, component positioning, and soft-tissue balance has led to improved patellar tracking, fewer failures related to patellar instability, and improved functional outcomes...
February 15, 2017: Instructional Course Lectures
https://www.readbyqxmd.com/read/28594498/bicompartmental-knee-arthroplasty
#20
Nirav H Amin, Travis Scudday, Fred D Cushner
Knee arthritis is one of the leading causes of disability and functional limitations in the United States and worldwide. Total knee arthroplasty results in good functional outcomes and high survival rates in patients who have tricompartmental arthritis. Bicompartmental knee arthroplasty is being used more often in patients who have arthritis that is isolated to two compartments: the patellofemoral compartment and either the medial or the lateral compartment. Bicompartmental knee arthroplasty preserves the kinematics, ligaments, and bone stock of the knee and is a good option for younger, active, high-demand patients who wish to return to their previous level of activity...
February 15, 2017: Instructional Course Lectures
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