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Knee fracture

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https://www.readbyqxmd.com/read/28735803/transfusion-thresholds-for-major-orthopedic-surgery-a-systematic-review-and-meta-analysis
#1
Matthew D Mitchell, Joel S Betesh, Jaimo Ahn, Eric L Hume, Samir Mehta, Craig A Umscheid
BACKGROUND: More than a million surgeries are performed annually in the United States for hip or knee arthroplasty or hip fracture stabilization. One-fifth of these patients have blood transfusions during their hospital stay. Increases in transfusion rates have caused concern about increased adverse events from unnecessary transfusions. METHODS: We systematically reviewed randomized trials examining the effect of restrictive vs liberal transfusion thresholds on patients having major orthopedic surgery...
July 8, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28733044/management-of-displaced-inferior-patellar-pole-fractures-with-modified-tension-band-technique-combined-with-cable-cerclage-using-cable-grip-system
#2
Xu Yang, Qinfen Wu, Chin-Hui Lai, Xin Wang
INTRODUCTION: We present a modified tension band technique combined with cable cerclage using Cable Grip System for the treatment of displaced inferior patellar pole fractures and report the knee functional outcome. PATIENTS AND METHODS: The patients who had had operative treatment of a displaced inferior patellar pole fracture (AO/OTA 34-A1) between December 2013 and December 2015 were studied retrospectively. Eleven consecutive patients had had open reduction and internal fixation with the modified technique using Cable Grip System, of whom, five males and six females with an average age of 60...
July 13, 2017: Injury
https://www.readbyqxmd.com/read/28721498/functional-outcome-of-intra-articular-tibial-plateau-fractures-the-impact-of-posterior-column-fractures
#3
Juriaan van den Berg, Maike Reul, Menno Nunes Cardozo, Anastasiya Starovoyt, Eric Geusens, Stefaan Nijs, Harm Hoekstra
ABASTRACT: INTRODUCTION: Although regularly ignored, there is growing evidence that posterior tibial plateau fractures affect the functional outcome. The goal of this study was to assess the incidence of posterior column fractures and its impact on functional outcome and general health status. We aimed to identify all clinical variables that influence the outcome and improve insights in the treatment strategies. METHODS: A retrospective cohort study including 218 intra-articular tibial plateau fractures was conducted...
July 18, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28720096/clinical-and-radiographic-predictors-of-acute-compartment-syndrome-in-the-treatment-of-tibial-plateau-fractures-a-retrospective-cohort-study
#4
Axel Gamulin, Anne Lübbeke, Patrick Belinga, Pierre Hoffmeyer, Thomas V Perneger, Matthieu Zingg, Gregory Cunningham
BACKGROUND: The aim of the study was to evaluate the relation between demographic, injury-related, clinical and radiological factors of patients with tibial plateau fractures and the development of acute compartment syndrome. METHODS: All consecutive adult patients with intra-articular tibial plateau fractures admitted in our urban academic medical centre between January 2005 and December 2009 were included in this retrospective cohort study. The main outcome measurement was the development of acute compartment syndrome...
July 18, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28716470/early-or-delayed-reconstruction-in-multi-ligament-knee-injuries-a-systematic-review-and-meta-analysis
#5
REVIEW
Erik Hohmann, Vaida Glatt, Kevin Tetsworth
BACKGROUND: Whether early or delayed surgical intervention in patients with multi-ligament injuries results in better outcomes, is of current and controversial debate. PURPOSE: The purpose of this study was to perform a meta-analysis comparing early versus late surgical treatment of multi-ligament knee injuries. METHODS: We performed a systematic review of Medline, Embase, Scopus, and Google Scholar to identify relevant studies in the English and German literature...
July 14, 2017: Knee
https://www.readbyqxmd.com/read/28713455/a-pilot-study-of-the-effect-of-outsole-hardness-on-lower-limb-kinematics-and-kinetics-during-soccer-related-movements
#6
Dong Sun, Qichang Mei, Julien S Baker, Xuewen Jia, Yaodong Gu
The purpose of this study was to investigate the effect of different outsole hardness of turf cleats shoes on the lower limb kinematics and kinetics of soccer players playing on artificial turf. The participants were required to complete tasks of straight running and 45° left sidestep cutting movements, respectively, at the speed of 4.5 ± 0.2 m/s on artificial turf. They were asked to randomly select turf cleats shoes with a soft outsole (SO), medium hardness outsole (MO) and hard outsole (HO). During the stance phase of straight running, peak pressure and force-time integral in medial forefoot (MFF) of players wearing cleats shoes with MO were significantly higher than those wearing cleats shoes with SO...
June 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28711589/fixation-strength-of-a-polyetheretherketone-femoral-component-in-total-knee-arthroplasty
#7
Lennert de Ruiter, Dennis Janssen, Adam Briscoe, Nico Verdonschot
INTRODUCTION: Introducing polyetheretherketone (PEEK) polymer as a material for femoral components in total knee arthroplasty (TKA) could potentially lead to a reduction of the cemented fixation strength. A PEEK implant is more likely to deform under high loads, rendering geometrical locking features less effective. Fixation strength may be enhanced by adding more undercuts or specific surface treatments. The aim of this study is to measure the initial fixation strength and investigate the associated failure patterns of three different iterations of PEEK-OPTIMA(®) implants compared with a Cobalt-Chromium (CoCr) component...
July 12, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28707122/segond-s-fracture-a-biomechanical-cadaveric-study-using-navigation
#8
E Monaco, Daniele Mazza, A Redler, D Lupariello, R Lanzetti, M Guzzini, A Ferretti
BACKGROUND: Segond's fracture is a well-recognised radiological sign of an anterior cruciate ligament (ACL) tear. While previous studies evaluated the role of the anterolateral ligament (ALL) and complex injuries on rotational stability of the knee, there are no studies on the biomechanical effect of Segond's fracture in an ACL deficient knee. The aim of this study was to evaluate the effect of a Segond's fracture on knee rotation stability as evaluated by a navigation system in an ACL deficient knee...
July 13, 2017: Journal of Orthopaedics and Traumatology: Official Journal of the Italian Society of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/28706814/tibial-allograft-transfer-for-medial-tibial-plateau-resurfacing
#9
Jonathan A Godin, Salvatore Frangiamore, Jorge Chahla, Mark E Cinque, Nicholas N DePhillipo, Robert F LaPrade
A large cartilage lesion of the tibial plateau with a deficient meniscus in a young patient is a challenging pathology for the orthopaedic surgeon due to the limited options available. While hemiarthroplasty procedures can be an option, the risk of revision in a young patient is high, and therefore a reconstructive procedure is advocated. The purpose of this Technical Note is to describe our technique for tibial plateau resurfacing, including the preparation and implantation of a medial tibial plateau and medial meniscal allograft, in a patient with a post-traumatic KD-4 knee dislocation with a medial tibial plateau rim fracture, medial meniscus deficiency, and medial tibiofemoral joint subluxation...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28705123/surgery-of-patellar-fractures-using-a-medial-parapatellar-approach
#10
Yong-Cheol Yoon, Jae-Ang Sim, Jin-Hun Hong
PURPOSE: The general surgical approach for patellar fractures has a significant weakness, in that the articular facet is invisible because the fixation is performed using radiation amplifiers after exposing the fracture site through vertical or transverse dissection on the anterior patella. We report excellent outcomes in the surgical treatment of patellar fractures, using a medial parapatellar approach. METHODS: This study evaluated 20 patients who underwent surgery between August 2008 and April 2014 to correct patellar fractures with comminution or with displacement of the articular facet of ≥2 mm and who had ≥1 year of follow-up...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28704747/two-cases-of-late-medial-instability-of-the-knee-due-to-hip-disease-after-total-knee-arthroplasty
#11
Masanori Tsubosaka, Tomoyuki Matsumoto, Koji Takayama, Naoki Nakano, Ryosuke Kuroda
INTRODUCTION: There are few specific reports of late medial instability after total knee arthroplasty (TKA). We described two cases of late medial instability of the knee due to hip disease with osteoarthritis or rheumatoid arthritis after TKA, which required revision TKA. PRESENTATION OF CASES: An 82-year-old woman experienced right femoral neck fracture due to a fall that required conservative treatment at age 77 years and underwent left TKA at age 80 years. A 68-year-old woman underwent left TKA at age 54 years, right TKA at age 64 years, and left THA at age 67 years...
June 29, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28699406/disruption-of-quadriceps-tendon-after-total-knee-arthroplasty-case-report-of-four-cases
#12
J W Soong, A N Silva, Tan Hc Andrew
Quadriceps tendon rupture after total knee arthroplasty (TKA) is a rare but dire complication. It is associated with adverse outcomes and morbidities. Studies on such complications are scarce in the literature. In this study, we share our experience in the management of four patients who sustained quadriceps tendon rupture in the early postoperative period. Efforts should be focused on prevention. Meticulous surgical techniques during the medial parapatellar approach to preserve the integrity of quadriceps can reduce the risk of rupture...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28697864/porous-coated-metaphyseal-sleeves-for-severe-femoral-and-tibial-bone-loss-in-revision-tka
#13
Tyler S Watters, John R Martin, Daniel L Levy, Charlie C Yang, Raymond H Kim, Douglas A Dennis
BACKGROUND: Metaphyseal bone loss is commonly encountered in revision total knee arthroplasty (TKA). Anderson Orthopaedic Research Institute types 2 and 3 defects generally require some form of metaphyseal fixation or augmentation. This study evaluates the midterm results of stepped, porous-coated metaphyseal sleeves in revision TKA in the setting of severe bone loss. METHODS: Patients who underwent revision TKA using metaphyseal sleeves from March 2006 to May 2014 at our institution were identified from a prospective research database...
June 20, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28697080/plate-osteosynthesis-of-patella-fractures-a-video-case-report
#14
Matthew Siljander, Alexander D Vara, Denise M Koueiter, Sapan Gandhi, Meghan Quigley, Brett Wiater, Patrick Wiater
Operative management of patella fractures continues to be associated with poor outcomes and high reoperation rates. Traditionally, tension band fixation has been used for more simple fracture patterns; however, fixation remains a challenge particularly for comminuted fractures. More recently, various types of plate fixation have been used and reported in the literature. Earlier mobilization after plate osteosynthesis of patella fractures is possible because of a more robust construct, with the potential for decreased knee stiffness and improved functional outcomes...
August 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28697071/orif-patella-fracture-with-a-tension-band-construct
#15
Laura Blum, Mark Hake
Patellar fractures can occur as a result of direct or indirect injuries. Indirect injury is more common and occurs when the patella fails in tension when the force exerted by the extensor mechanism exceeds that of the bone. Common mechanism of indirect injury is rapid knee flexion with fully contracted quadriceps muscle. Treatment with a tension band construct is indicated for transverse patella fractures without significant comminution. This can be performed with 18-gauge wire and either 2 parallel, longitudinally oriented cannulated screws or 2 Kirschner wires...
August 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28692451/the-value-of-musculoskeletal-ultrasound-in-geriatric-care-and-rehabilitation
#16
Büşra Can, Murat Kara, Özgür Kara, Zekeriya Ülger, Walter Frontera, Levent Özçakar
The WHO reports that one of the major chronic conditions affecting the elderly worldwide is musculoskeletal disorders that are associated with long-term pain and disability. Considering the healthcare needs of the elderly (i.e. comprehensive, accessible, efficient) and the advantages of ultrasound (US) use (patient-friendly, convenient, cost-effective, and does not require exposure to radiation or magnetic fields), there seems to be a 'gap' in the actual clinical practice. In this paper, we aimed to highlight the potential value of US imaging in the management of the elderly with a wide spectrum of musculoskeletal conditions (degenerative/rheumatic joint diseases, falls/trauma, nursing care, peripheral nerve problems, sarcopenia, and interventions)...
July 7, 2017: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
https://www.readbyqxmd.com/read/28691409/comparison-of-titanium-cable-tension-band-and-nickel-titanium-patella-concentrator-for-patella-fractures
#17
Quan-Ming Zhao, Xiao-Feng Gu, Li Cheng, De-Hong Feng
BACKGROUND: Patellar fractures account for approximately 1% of all fractures.Due to the patella's importance as regards the extensor mechanism, efforts should to be made to preserve the patella.Several operative treatment methods have been introduced for patella fractures. OBJECTIVES: This study aims to compare the clinical effect of a titanium cable tension band and nickel-titanium (NiTi) patella concentrator (NT-PC) in treating patella fractures. MATERIAL AND METHODS: Thirty-nine patients with patella fractures were enrolled in this retrospective study...
June 27, 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28690039/retained-antibiotic-spacers-after-total-hip-and-knee-arthroplasty-resections-high-complication-rates
#18
Stephen M Petis, Kevin I Perry, Mark W Pagnano, Daniel J Berry, Arlen D Hanssen, Matthew P Abdel
BACKGROUND: Prolonged retention of an antibiotic spacer is occasionally chosen during treatment of periprosthetic joint infections after total hip arthroplasty (THA) and total knee arthroplasty (TKA). The purpose of our study was to evaluate the outcome of extended spacer retention. METHODS: We reviewed 1106 cases of periprosthetic joint infection after THA (n = 308) and TKA (n = 798) and identified 17 (5.5%) retained hip and 34 (4.3%) retained knee spacers. Most patients (35 of 51, 69%) underwent spacer retention because they were medically unfit for further surgery...
June 8, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28687543/injury-epidemiology-of-tennis-players-at-the-2011-2016-australian-open-grand-slam
#19
Danielle T Gescheit, Stuart J Cormack, Rob Duffield, Stephanie Kovalchik, Tim O Wood, Melanie Omizzolo, Machar Reid
AIM: To examine the epidemiology and in-event treatment frequency of injury at the 2011-2016 Australian Open tournaments. METHODS: Injury incidence was defined as a medical consultation by a tournament physician and in-event treatment frequency as the mean total number of follow-up medical/physiotherapy consultations (2013-2016 tournaments only). Data were collated by sex, injury region and type and reported as frequencies per 10 000 game exposures. Incidence rate s± 95% CI and rate ratios were used to test effects for injury, sex and year...
July 7, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28673200/analysis-of-functional-outcome-of-hoffa-fractures-a-retrospective-review-of-32-patients
#20
Vivek Trikha, Saubhik Das, Sahil Gaba, Prabhat Agrawal
PURPOSE: Hoffa fractures are uncommon intra-articular fractures of femoral condyle in coronal plane. The purpose of our study is to assess radiologic and functional outcome in operatively treated Hoffa fractures. METHODS: We retrospectively reviewed 32 patients of isolated Hoffa fracture from January 2010 to March 2015. All were treated with open reduction and internal fixation using lateral approach for lateral Hoffa and medial approach for medial Hoffa fracture...
May 2017: Journal of Orthopaedic Surgery
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