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Partial knee arthroplasty

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https://www.readbyqxmd.com/read/29430491/total-knee-arthroplasty-in-patients-with-retention-of-prior-hardware-material-what-is-the-outcome
#1
Jorge Manrique, Mohammad R Rasouli, Camilo Restrepo, Mitchell G Maltenfort, Jonathan Beri, Jeffrey Oliver, Raj Patel, Javad Parvizi
Background: There is an information gap in literature regarding postoperative outcome of total knee arthroplasty (TKA) in patients with hardware in-situ from the previous knee surgery. The present study aims to evaluate impact of retained hardware on short-term outcome of TKA patients. Methods: Perioperative radiographs of patients who had undergone TKA between 2007 and 2012 were reviewed and patients in whom partial or complete retention of hardware was evident after TKA were included...
January 2018: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/29351933/vanadium-allergy-following-total-knee-arthroplasty
#2
Fidel Peat, Ross Coomber, Adnan Rana, Alastair Vince
Allergic reactions to metals following joint arthroplasty represent a rare and poorly understood phenomenon. Much is still unknown regarding the natural history of this complication, and how it can best be prevented and managed. We present a case of a 68-year-old woman who underwent a left total knee arthroplasty for treatment of osteoarthritis. After an initial uneventful postoperative course, she developed a troublesome erythematous rash both around the incision site and over her trunk. Blood testing revealed no evidence of infection and clinically her prosthesis was functioning well...
January 18, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29300003/effects-of-inhalation-anesthesia-vs-total-intravenous-anesthesia-tiva-vs-spinal-epidural-anesthesia-on-deep-vein-thrombosis-after-total-knee-arthroplasty
#3
Lu-Yang Zhou, Wei Gu, Yun Liu, Zheng-Liang Ma
BACKGROUND The objective of the present study was to evaluate the varying efficacy of general anesthesia (GA), combined spinal-epidural anesthesia (CSEA), and total intravenous anesthesia (TIVA) on the occurrence of deep vein thrombosis (DVT) following total knee arthroplasty (TKA). MATERIAL AND METHODS From July 2013 to May 2015, a total of 197 cases of patients who had undergone TKA treatment at either the Drum Tower Hospital or Nanjing General Hospital of Nanjing Military Command were recruited to participate in the study...
January 4, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29276119/not-physical-activity-but-patient-beliefs-and-expectations-are-associated-with-return-to-work-after-total-knee-arthroplasty
#4
Alexander Hoorntje, Claudia S Leichtenberg, Koen L M Koenraadt, Rutger C I van Geenen, Gino M M J Kerkhoffs, Rob G H H Nelissen, Thea P M Vliet Vlieland, P Paul F M Kuijer
BACKGROUND: After total knee arthroplasty (TKA), 17%-60% of the patients do not or only partially return to work (RTW). Reasons for no or partial RTW remain unclear, warranting further research. Physical activity (PA) has proven beneficial effects on work participation. Therefore, we hypothesized that preoperative PA is associated with RTW after TKA. METHODS: Working TKA patients participating in an ongoing prospective cohort study were included. Preoperatively and 1 year postoperatively, patients were asked to define their work status and PA level according to the Dutch Recommendation for Health-Enhancing PA and the Fitnorm...
November 29, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29275638/the-therapeutic-role-of-motor-imagery-during-the-acute-phase-after-total-knee-arthroplasty-a-pilot-study
#5
Marcel Moukarzel, Franck Di Rienzo, Jean-Claude Lahoud, Fadi Hoyek, Christian Collet, Aymeric Guillot, Nady Hoyek
PURPOSE: The aim of this study was to measure physical and functional outcomes during the acute postoperative recovery in patients who underwent total knee arthroplasty. Motor imagery has been shown to decrease pain and promote functional recovery after both neurological and peripheral injuries. Yet, whether motor imagery can be included as an adjunct effective method into physical therapy programs following total knee arthroplasty remains a working hypothesis that we aim to test in a pilot study...
December 24, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/29246134/influence-of-the-anterior-notch-in-mobile-bearing-uka-on-patellofemoral-radiotracer-uptake-and-clinical-outcome
#6
Dietmar Dammerer, Michael Liebensteiner, Hannes Rochau, Christian Uprimny, Vinzenz Smekal, Ralf Rosenberger, Elvire Servien
BACKGROUND: Previous studies reported that in partial knee arthroplasty smooth transitions to the remaining native parts of the knee are important. However, in mobile-bearing unicondylar knee arthroplasty (UKA) it is mandatory to create an anterior osteochondral notch adjacent to the femoral component to get clearance for the anterior lip of the bearing in full knee extension. This notch is, however, part of the femoral trochlea. It was the aim of the study to test for a potential association between a) an obligatory anterior notch in mobile-bearing UKA located at the margin of the medial aspect of the femoral trochlea and b) postoperative patellofemoral joint (PFJ) bone remodelling and discomfort...
December 16, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29199061/should-medicare-remove-total-knee-arthroplasty-from-its-inpatient-only-list-a-total-knee-arthroplasty-is-not-a-partial-knee-arthroplasty
#7
P Maxwell Courtney, Mark I Froimson, R Michael Meneghini, Gwo-Chin Lee, Craig J Della Valle
BACKGROUND: The Centers for Medicare and Medicaid Services have solicited comments to consider removing total knee arthroplasty (TKA) from the Inpatient Only list, as it has done for unicompartmental knee arthroplasty (UKA). The purpose of this study is to determine whether Medicare-aged patients undergoing TKA had comparable outcomes to those undergoing UKA. METHODS: We queried the American College of Surgeons-National Surgical Quality Improvement Program database for all patients aged 65 years or older who underwent elective TKA or UKA from 2014 and 2015...
November 21, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29176496/hospitals-adoption-of-medical-device-registers-evidence-from-the-german-arthroplasty-register
#8
Jan Sternkopf, Carsten Schultz
BACKGROUND: Hospitals in many countries do not record and analyze artificial hip and knee joint surgeries systematically, leading to a lack of reliable quality assurance data. Arthroplasty registers have the potential to alleviate this and improve quality of care and health care expenditures. In Germany, the current introduction of the Arthroplasty Register acts as a prototype for various medical device registers. However, participation is voluntary for hospitals in most countries, leading to problems with nonadoption...
November 15, 2017: Health Care Management Review
https://www.readbyqxmd.com/read/29113757/eight-hundred-twenty-five-medial-mobile-bearing-unicompartmental-knee-arthroplaties-the-first-10-year-us%C3%A2-multi-center-survival-analysis
#9
Omar K Alnachoukati, John W Barrington, Keith R Berend, Michael C Kolczun, Roger H Emerson, Adolph V Lombardi, David R Mauerhan
BACKGROUND: FDA approval for the Oxford phase III device was approved for use in the United States in 2004. This study seeks to provide the first long-term, large patient sample size, Oxford phase III multi-site survivorship study in the United States, investigating patient reported outcomes of pain and function, while also providing an in-depth analysis of causes for revision, and finally addressing recent advancements that can help aid the unicompartmental knee arthroplasty (UKA) process and further improve partial knee survivorship...
October 16, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29028624/foot-pressure-pattern-hindfoot-deformities-and-their-associations-with-foot-pain-in-individuals-with-advanced-medial-knee-osteoarthritis
#10
Isao Saito, Kyoji Okada, Masahiko Wakasa, Hidekazu Abe, Akira Saito
This survey clarified foot pressure patterns and hindfoot deformities in individuals with advanced knee osteoarthritis (OA) and analyzed their associations with foot pain. Sixty-four individuals with unilateral knee OA who underwent total knee arthroplasty (TKA) were divided into the following groups: no foot pain (n=26; men:women, 4:22; mean age, 73.7 years), foot pain resolved after TKA (12; 2:10; 75.8), and foot pain remaining after TKA (26; 4:22; 74.7). Elderly individuals without pain or deformity in either knee (54; 10:44; 74...
January 2018: Gait & Posture
https://www.readbyqxmd.com/read/28946810/pseudoaneurysm-of-the-superior-lateral-genicular-artery-following-anterior-cruciate-ligament-repair
#11
L M R Oversier, B J G A Corten, D G Barten, J W M Elshof
BACKGROUND: Pseudoaneurysm is a rare complication of surgery of the knee. The pathogenesis of false aneurysm involves partial arterial laceration, which allows hemorrhage into surrounding soft tissues that confine it. Although most cases in literature described pseudoaneurysms after total knee arthroplasty, it can be associated with arthroscopic knee surgery too. METHODS: Here, we report an uncommon case of a false aneurysm of the superior lateral genicular artery following anterior cruciate ligament ligamentoplasty using an autograft semitendinosus-tendon...
September 25, 2017: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/28944144/osteomyelitis-due-to-multiple-rare-infections-in-a-patient-with-idiopathic-cd4-lymphocytopenia
#12
Nitin Gupta, Sayantan Banerjee, Timitrov, Rohini Sharma, Shambo Guha Roy, Trupti M Shende, Mohammed Tahir Ansari, Gagandeep Singh, Neeraj Nischal, Naveet Wig, Manish Soneja
A 26-year-old male patient presented with features suggestive of osteomyelitis involving the entire left femur, hip joint and knee joint. Culture from the debrided tissue grew Acinetobacter spp. and he was treated with sensitivity based antibiotics but the symptoms did not resolve. The synovial biopsy showed multinucleated giant cells and acid fast bacilli on Ziehl Neelsen stain. Cartridge based nucleic acid amplification test (GeneXpert) was negative. The Mycobacteria growth indicator tube culture was found to be positive for Mycobacterium abscessus...
August 2017: Intractable & Rare Diseases Research
https://www.readbyqxmd.com/read/28932491/osteophytes-removal-in-patella-versus-lateral-facetectomy-of-the-patella-in-patella-retaining-total-knee-arthroplasty
#13
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/28927647/protecting-the-pcl-during-total-knee-arthroplasty-using-a-bone-island-technique
#14
Addison R Wood, Tebyan A Rabbani, Benjamin Sheffer, Russell A Wagner, Hugo B Sanchez
BACKGROUND: Prior studies have shown that the posterior cruciate ligament (PCL) may be partially resected during cruciate retaining (CR) total knee arthroplasty (TKA) using highly experienced hands and standard surgical technique; therefore, proper surgical technique is aimed at preservation and balance of the PCL during CR TKA. The central objective of this study is to evaluate the effectiveness of a simple surgical technique to prevent PCL damage during performance of a CR TKA. METHODS: Sixty embalmed cadaver specimens were randomized into 2 groups, experimental and control...
August 26, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28888524/total-knee-arthroplasty-after-opening-%C3%A2-versus-closing-wedge-high-tibial-osteotomy-a-135-case-series-with-minimum-5-year-follow-up
#15
M Ehlinger, A D'Ambrosio, P Vie, S Leclerc, F Bonnomet, P Bonnevialle, S Lustig, S Parratte, M Colmar, J-N Argenson
INTRODUCTION: High tibial osteotomy (HTO) is effective in treating isolated medial osteoarthritis of the knee, but subsequent deterioration is inevitable, and total knee arthroplasty (TKA) is then an option. The present study sought to compare TKA following medial opening-wedge HTO (OW-HTO) versus lateral closing-wedge HTO (CW-HTO) in terms of intraoperative data and clinical results. The study hypothesis was that there is no significant difference in clinical results or complications in TKA following OW-HTO or CW-HTO...
September 6, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28887704/-indication-and-limitations-of-meniscus-replacement
#16
REVIEW
C Stärke, S Kopf, R Becker
BACKGROUND: Meniscal lesions are among the most important musculoskeletal disorders and are the most common indication for knee joint arthroplasty. However, the structural integrity and function is rarely retained, and a loss of tissue results. Thus, there is a huge demand for meniscal replacement options. CURRENT PROCEDURES: Autografts were used in the past but did not fulfill expectations. Meniscus allografts have been developed to be a viable treatment option...
October 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28855192/the-effect-of-implant-position-on-bone-strain-following-lateral-unicompartmental-knee-arthroplasty-a-biomechanical-model-using-digital-image-correlation
#17
A M Ali, S D S Newman, P A Hooper, C M Davies, J P Cobb
OBJECTIVES: Unicompartmental knee arthroplasty (UKA) is a demanding procedure, with tibial component subsidence or pain from high tibial strain being potential causes of revision. The optimal position in terms of load transfer has not been documented for lateral UKA. Our aim was to determine the effect of tibial component position on proximal tibial strain. METHODS: A total of 16 composite tibias were implanted with an Oxford Domed Lateral Partial Knee implant using cutting guides to define tibial slope and resection depth...
August 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28852354/popliteal-baker-s-cysts-in-the-setting-of-primary-knee-arthroplasty
#18
Josef N Tofte, Andrew J Holte, Nicolas Noiseux
BACKGROUND: Popliteal (Baker's) Cysts are rare complications of knee arthroplasty. Enlargement, irritation, or rupture of the cyst can lead to significant pain, tightness, and tenderness. The literature regarding popliteal cysts occurring following knee arthroplasty is limited and does not report prevalence, natural history, and treatment of popliteal cyst in the setting of knee arthroplasty. METHODS: Following Institutional Review Board approval, 2,025 primary total and partial knee arthroplasties by four surgeons at one institution from 2011-2016 were reviewed for occurrence of popliteal cysts...
2017: Iowa Orthopaedic Journal
https://www.readbyqxmd.com/read/28777797/alteration-of-wnt5a-expression-and-of-the-non-canonical-wnt-pcp-and-wnt-pkc-ca2-pathways-in-human-osteoarthritis-osteoblasts
#19
Xavier Martineau, Élie Abed, Johanne Martel-Pelletier, Jean-Pierre Pelletier, Daniel Lajeunesse
OBJECTIVE: Clinical and in vitro studies suggest that subchondral bone sclerosis due to abnormal osteoblasts (Ob) is involved in the progression and/or onset of osteoarthritis (OA). Human Ob isolated from sclerotic subchondral OA bone tissue show an altered phenotype, a decreased canonical Wnt/β-catenin signaling pathway (cWnt), and a reduced mineralization in vitro. In addition to the cWnt pathway, at least two non-canonical signaling pathways, the Wnt/PKC and Wnt/PCP pathway have been described...
2017: PloS One
https://www.readbyqxmd.com/read/28733109/reconstructing-the-chronically-disrupted-knee-extensor-mechanism-after-total-knee-arthroplasty-hourglass-variant-of-the-original-partial-allograft-technique
#20
C Fiquet, A Schneider, R Ballis, E Servien, P Neyret, S Lustig
Allograft reconstruction is a valuable treatment option for patients with chronic extensor mechanism disruption after total knee arthroplasty. Here, an hourglass variant of the original partial allografttechnique is described. An hourglass-shaped patellar bone block is press-fit into the native patella. The graft is fixed to both the patella and the tibia then sutured with the knee fully extended. Outcomes of this technique were assessed in 5 patients after at least 24 months' follow-up. The mean knee and function Knee Society Score values were 77...
July 18, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
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