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https://www.readbyqxmd.com/read/29244694/failure-of-patellar-plating-with-mini-fragment-implants-a-case-report
#1
Daniel T Miles, Matthew L Graves, Clay A Spitler, Patrick F Bergin
CASE: A 40-year-old woman presented to the emergency department with a comminuted fracture of the patella with separation of the bone fragments. The patient underwent an open reduction and osteosynthesis using medial and lateral 2.0-mm nonlocking plates, which subsequently led to pain in the anterior and posterior aspects of the knee. CONCLUSION: In this patient, bicolumnar nonlocking plating was unable to adequately resist the tensile forces of the extensor mechanism...
January 2017: JBJS Case Connector
https://www.readbyqxmd.com/read/29234558/length-change-of-the-short-external-rotators-of-the-hip-in-common-stretch-positions-a-cadaveric-study
#2
Ryan P McGovern, Benjamin R Kivlan, RobRoy L Martin
Background: Stretching of the deep rotators of the hip is commonly employed in patients with lumbosacral, sacroiliac, posterior hip, and buttock pain. There is limited research demonstrating the effectiveness of common stretching techniques on the short external rotators of the hip. Purpose: The objective of this study was to evaluate length change during stretching of the superior and inferior fibers of the piriformis, superior gemellus, obturator internus, and inferior gemellus...
December 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/29232748/-combined-posteromedial-and-anterolateral-approach-in-the-floating-position-two-column-fracture-of-the-tibia-head
#3
Maike Reul, Harm Hoekstra
Background The posterior tibial plateau is often affected in intra-articular tibial fractures. Moreover, treating these posterior fractures is recognised as an important prognostic factor. Open reduction and internal fixation of lateral and posterior two column tibial plateau fractures can be achieved via a combined reversed L-shape approach and an anterolateral approach in the floating position without intraoperative repositioning of the patient. Material and Methods The operative procedure starts in the posterior position with visualisation of the posterior column after lateral retraction of the medial head of the M...
December 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/29203381/accuracy-of-3-clinical-tests-to-diagnose-proximal-hamstrings-tears-with-and-without-sciatic-nerve-involvement-in-patients-with-posterior-hip-pain
#4
RobRoy L Martin, Ricardo Gonçalves Schröder, Juan Gomez-Hoyos, Anthony N Khoury, Ian James Palmer, Ryan P McGovern, Hal David Martin
PURPOSE: To determine the diagnostic accuracy of the active hamstring test at 30° (A-30) and 90° (A-90) of knee flexion, the long stride heel strike (LSHS) test, and combination of the 3 tests for individuals with hamstring tendon tears, with and without sciatic nerve involvement. METHODS: A retrospective review of 564 consecutive clinical records identified 42 subjects with a mean age of 50.31 ± 15 years who underwent a standard physical examination prior to magnetic resonance imaging (MRI) evaluation and diagnostic injection for posterior hip...
December 1, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29198374/surgically-treated-hoffa-fractures-with-poor-long-term-functional-results
#5
Tolga Onay, Deniz Gülabi, İlker Çolak, Güven Bulut, Seyit Ali Gümüştaş, Gültekin Sıtkı Çeçen
INTRODUCTION: Hoffa fractures are rare injuries and usually involve the lateral condyle. There are few published studies of large series of isolated coronal plane fractures of the femoral condyle. The aim of the study to determine the long-term functional outcomes and complications in surgically treated Hoffa fractures. PATIENTS AND METHODS: A retrospective review was made of 13 consecutive patients who were treated surgically for an isolated coronal plane fracture of the distal femur posterior condyle...
November 24, 2017: Injury
https://www.readbyqxmd.com/read/29195849/cementless-posteriorly-stabilized-total-knee-arthroplasty-seven-year-minimum-follow-up-report
#6
Steven F Harwin, Jay M Levin, Anton Khlopas, Prem N Ramkumar, Nicolas S Piuzzi, Martin Roche, Michael A Mont
BACKGROUND: The purpose of this study is to evaluate (1) implant survivorship; (2) patient outcomes; (3) complications; and to (4) perform a radiographic analysis of cementless posteriorly stabilized total knee arthroplasty (TKA) patients at a minimum of 7-year follow-up. METHODS: Our original cohort was composed of 114 consecutive cementless posteriorly stabilized total knee arthroplasties (110 patients) performed by a single surgeon between 2008 and 2010. Since our original report, 4 (1 bilateral) patients died and 2 were lost to follow-up...
November 16, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29191469/role-of-anterolateral-reconstruction-in-patients-undergoing-anterior-cruciate-ligament-reconstruction
#7
REVIEW
C Lutz
There is renewed interest in anterolateral reconstruction (ALR) for patients undergoing anterior cruciate ligament (ACL) reconstruction. This is the result of isolated ACL reconstruction and double-bundle reconstruction providing inadequate control over the pivot shift, and recent anatomical and biomechanical studies on the anterolateral ligament (ALL) and its role in the knee's rotational stability.From a technical point of view, ALR can be performed either as a continuity of the intra-articular ACL reconstruction or an independent procedure...
November 27, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29191442/adding-patella-resurfacing-after-circumpatellar-electrocautery-did-not-improve-the-clinical-outcome-in-bilateral-total-knee-arthroplasty-in-chinese-population-a-prospective-randomized-study
#8
Yulei Dong, Tao Li, Zhibo Zheng, Shuai Xiang, Xisheng Weng
BACKGROUND: In total knee arthroplasty (TKA), handling of the patella surface is still quite controversial. We carried out a prospective randomized study to compare circumpatellar electrocautery plus patella resurfacing vs circumpatellar electrocautery only in the single-staged bilateral TKA in Chinese population. METHODS: One hundred five patients diagnosed with late-staged osteoarthritis who received single-staged bilateral TKA were screened and 53 patients were included...
October 31, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29181560/stability-and-alignment-do-not-improve-by-using-patient-specific-instrumentation-in-total-knee-arthroplasty-a-randomized-controlled-trial
#9
Nienke M Kosse, Petra J C Heesterbeek, Janneke J P Schimmel, Gijs G van Hellemondt, Ate B Wymenga, Koen C Defoort
PURPOSE: The primary aim of the study was to examine stability and alignment after total knee arthroplasty (TKA) using patient-specific instrumentation (PSI) and conventional instrumentation (CI). The hypothesis was that stability and alignment would be better using PSI than CI, 12 months postoperatively. The secondary aim included the evaluation of clinical outcomes after TKA. METHODS: In this prospective randomized controlled trial, 42 patients with knee osteoarthritis received a Genesis II PS prosthesis with either PSI or CI...
November 28, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29172393/the-meniscofemoral-ligament-mimicking-a-lateral-meniscus-tear
#10
Bong Keun Park, Hohyoung Lee, Seong-Tae Kim, Min Geun Yoon
A 58-year-old male patient who had developed left knee pain with a history of trauma was referred to our hospital. Physical examination and further examination by magnetic resonance imaging revealed results that closely resemble a horizontal tear of the lateral meniscus and a tear of the medial meniscus. Arthroscopically, we found a cord-like structure originating from the posterior 1/3 portion of the lateral meniscus and passing obliquely toward the medial femoral condyle in front of the posterior cruciate ligament without a tear of the lateral meniscus...
December 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/29168434/changes-in-knee-shape-and-geometry-resulting-from-total-knee-arthroplasty
#11
Mohsen Akbari Shandiz, Paul Boulos, Stefan Karl Saevarsson, Heiko Ramm, Chun Kit Jack Fu, Stephen Miller, Stefan Zachow, Carolyn Anglin
Changes in knee shape and geometry resulting from total knee arthroplasty can affect patients in numerous important ways: pain, function, stability, range of motion, and kinematics. Quantitative data concerning these changes have not been previously available, to our knowledge, yet are essential to understand individual experiences of total knee arthroplasty and thereby improve outcomes for all patients. The limiting factor has been the challenge of accurately measuring these changes. Our study objective was to develop a conceptual framework and analysis method to investigate changes in knee shape and geometry, and prospectively apply it to a sample total knee arthroplasty population...
November 1, 2017: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/29163952/in-office-arthroscopy-for-the-evaluation-of-chronic-knee-pain-a-case-report
#12
Jacob A West, Nirav H Amin
This is a case report detailing the use of in-office needle arthroscopy (mi-eye 2™) in a patient with chronic knee pain and inconclusive magnetic resonance imaging findings. The patient is a 40-year-old male who presented to our clinic after an extended history of right knee pain along the medial aspect with previous failed treatments. Magnetic resonance imaging without contrast had demonstrated full-thickness chondral fissuring of the lateral patellar facet, mild abnormal signals of the proximal patellar tendon and Hoffa's fat pad, and intact anterior cruciate ligament and posterior cruciate ligament...
2017: SAGE Open Medical Case Reports
https://www.readbyqxmd.com/read/29159676/the-posterior-anterior-flexed-view-is-better-than-the-anterior-posterior-view-for-assessing-osteoarthritis-of-the-knee
#13
Kilian Rueckl, Friedrich Boettner, Noor Maza, Armin Runer, Ulrich Bechler, Peter Sculco
OBJECTIVE: The aim of this study is to determine whether the posterior-anterior (PA)-flexed view improves the radiographic assessment of patients with knee pain compared with the standard standing anterior-posterior radiograph. MATERIALS AND METHODS: Three hundred and sixty-five patients with knee pain underwent anterior-posterior (AP), PA flexed, lateral, and Merchant radiographs of the knee. Knees were grouped as mild (Kellgren and Lawrence [K-L] 1-2) or severe (K-L 3-4) osteoarthritis (OA) and either varus (medial compartment), valgus (lateral compartment), or patellofemoral OA...
November 20, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/29145963/functional-results-and-isokinetic-muscle-strength-in-patients-with-fraser-type-i-floating-knee-treated-with-internal-fixation
#14
Fernando Brandao Andrade-Silva, Adriana Carvalho, Caio Mansano, Aline Giese, Marcos de Camargo Leonhardt, Dennis Barbosa, Kodi Edson Kojima, Jorge Santos Silva
INTRODUCTION: According to Fraser's description, ipsilateral femoral and tibial diaphyseal fractures are characterised as type I floating knee and have a better prognosis than fractures with joint involvement (type II). There are few reports of functional and muscle strength in these patients. The objective of this study was to evaluate the functional and isokinetic muscle strength of patients with type I floating knee undergoing femoral and tibial internal fixation. METHODS: Patients with type I floating knee undergoing concomitant femoral and tibial internal fixation were invited for clinical evaluation...
October 2017: Injury
https://www.readbyqxmd.com/read/29140160/clinical-measures-and-their-contribution-to-dysfunction-in-individuals-with-patellar-tendinopathy
#15
Hyunjae Jeon, Melanie L McGrath, Neal Grandgenett, Adam B Rosen
CONTEXT: Patellar tendinopathy is prevalent in physically active populations and it affects their quality of living, performance of activity, and may contribute to the early cessation of their athletic careers. A number of previous studies have identified contributing factors for patellar tendinopathy however their contributions to self-reported dysfunction remain unclear. OBJECTIVE: The purpose of this investigation was to determine if strength, flexibility, and various lower extremity static alignments contributed to self-reported function and influence the severity of patellar tendinopathy...
November 15, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29126545/mri-ankle-and-subtalar-characteristics-in-haemochromatosis-arthropathy-a-case-control%C3%A2-study
#16
A Elstob, V Ejindu, C W Heron, P D W Kiely
AIM: To examine the magnetic resonance imaging (MRI) features of the ankle and subtalar joints that might distinguish genetic haemochromatosis (GH). MATERIALS AND METHODS: The present study was a retrospective case-control study comparing 30 MRI studies of GH patients with ankle or subtalar arthropathy with 30 matched controls with ankle pain. Anonymised images were scored using a semi-quantative tool adapted from the MRI osteoarthritis knee score. Scores were generated for bone marrow lesions size, number, and distinguishing the proportion of each lesion consisting of subchondral cyst versus oedema...
November 7, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/29122124/anatomical-and-radiological-evaluation-of-less-invasive-stabilisation-system-liss-in-correlation-with-knee-lateral-collateral-ligament-insertion
#17
Florian Freimoser, Stephan Grechenig, Anna Ofenhitzer, Bore Bakota, Mario Staresinic, Christian G Pfeifer
INTRODUCTION: The Less Invasive Stabilisation System (LISS) is an angle-stable plate that enables treatment of distal femoral comminuted and periprosthetic fracture. As it is placed through a minimally-invasive lateral approach, lateral knee pain is a commonly described symptom after its application. This study investigates knee lateral collateral ligament (LCL) iatrogenic injury during LISS plate fixation. A cadaver study was performed and a retrospective radiological investigation with the analysis of its clinical application was conducted to evaluate possible knee LCL damage...
November 2017: Injury
https://www.readbyqxmd.com/read/29101670/concordance-between-clinical-and-radiographic-evaluations-of-knee-osteoarthritis
#18
Camille Parsons, Nicholas R Fuggle, Mark H Edwards, Lyndsey Goulston, Anna E Litwic, Darshan Jagannath, Suzan van der Pas, Cyrus Cooper, Elaine M Dennison
BACKGROUND: Significant correlation has been previously demonstrated between radiographic and clinical diagnoses of knee osteoarthritis (OA); however, the specific findings on clinical examination that relate best to a radiographic diagnosis have not been fully elicited. AIMS: We aimed to explore the relationship between clinical symptoms and physical findings with radiographic diagnoses of tibiofemoral and patellofemoral OA. METHODS: This study was based on 409 individuals from the Hertfordshire Cohort Study, born between 1931 and 1939...
November 3, 2017: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/29051896/outcomes-and-complication-rates-after-primary-anterior-cruciate-ligament-reconstruction-are-similar-in-younger-and-older-patients
#19
Mark E Cinque, Jorge Chahla, Gilbert Moatshe, Nicholas N DePhillipo, Nicholas I Kennedy, Jonathan A Godin, Robert F LaPrade
BACKGROUND: Until recently, anterior cruciate ligament (ACL) tears in older patients were treated conservatively; however, these patients often experienced significant pain and instability. PURPOSE/HYPOTHESIS: The purpose of this study was to compare the patient-reported outcomes, patient satisfaction, and failure rates of primary ACL reconstruction between a younger (age 20-30 years) and older (age 50-75 years) patient cohort. It was hypothesized that patients in the older cohort could achieve comparable clinical outcomes and retear rates following ACL reconstruction with a bone-tendon-bone autograft or allograft compared with the younger patients...
October 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29042699/arthroscopic-repair-of-the-medial-meniscus-radial-oblique-tear-prevents-the-progression-of-meniscal-extrusion-in-mildly-osteoarthritic-knees
#20
Takayuki Furumatsu, Yuya Kodama, Yusuke Kamatsuki, Tomohito Hino, Toshifumi Ozaki
Extrusion of the medial meniscus (MM) is associated with knee joint pain in osteoarthritic knees. The relationships among MM radial/oblique tears, MM extrusion (MME), and the effect of arthroscopic meniscal repair are not established. Here we evaluated the effects of arthroscopic all-inside MM repair on MME and the clinical outcomes in patients with radially oriented MM tears and mildly osteoarthritic knees. Twenty patients with a symptomatic radial or oblique tear of the MM posterior segment, MME ≥2.5 mm, and mildly osteoarthritic knees were treated using FasT-Fix 360 All-inside Meniscal Suture devices...
October 2017: Acta Medica Okayama
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