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https://www.readbyqxmd.com/read/28314900/bony-landmark-between-the-attachment-of-the-medial-meniscus-posterior-root-and-the-posterior-cruciate-ligament-ct-and-mr-imaging-assessment
#1
Masataka Fujii, Takayuki Furumatsu, Shinichi Miyazawa, Yuya Kodama, Tomohito Hino, Yusuke Kamatsuki, Toshifumi Ozaki
OBJECTIVES: (1) To reveal the prevalence of the bony recess (posterior dimple) and (2) to determine the position of the posterior dimple on the tibial plateau using three-dimensional computed tomography (3DCT). MATERIALS AND METHODS: In this study, a retrospective review of 112 patients was performed to identify the posterior dimple and to evaluate its position on 3DCT. Magnetic resonance images (MRIs) were also used to determine the positional relationship among the posterior cruciate ligament (PCL), medial meniscus posterior insertion (MMPI), and posterior dimple...
March 18, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28237607/knee-morphometric-and-alignment-measurements-with-mr-imaging-in-young-adults-with-central-cartilage-lesions-of-the-patella-and-trochlea
#2
R Sebro, S Weintraub
PURPOSE: The goal of this study was to assess whether common measurements of patellar and trochlear morphology and patellar alignment are associated with central cartilage lesions of the patella and trochlea using magnetic resonance imaging (MRI). METHODS: The MRI examinations of 58 patients (38 women, 20 men; mean age, 28.59 years [range: 19-35 years]) with central cartilage lesions of the patella and trochlea were retrospectively compared to those obtained in 102 control subjects (57 women, 45 men; mean age, 27...
February 22, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/28142355/a-new-technique-for-arthroscopic-reduction-and-fixation-of-displaced-tibial-intercondylar-eminence-fractures-using-suture-anchor-and-endobutton-system
#3
Qiang Zhang, Jianjun Yang, Gongyin Zhao, Dong Zheng, Xianju Zhou, Nanwei Xu, Yuji Wang
AIM: The study aims to describe a less invasive technique for displaced tibial intercondylar eminence fractures, using only one bone tunnel with suture anchor and EndoButton system. METHODS: Seventeen patients were followed up after arthroscopic fixation for tibial eminence fractures using suture anchor and EndoButton. The patients were followed with clinical examinations such as Lysholm, Tegner, and International Knee Documentation Committee (IKDC) rating scales...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28132085/tibial-condylar-valgus-osteotomy-tcvo-for-osteoarthritis-of-the-knee-5-year-clinical-and-radiological-results
#4
Ko Chiba, Akihiko Yonekura, Takashi Miyamoto, Makoto Osaki, Goji Chiba
PURPOSE: Tibial condylar valgus osteotomy (TCVO) is a type of opening-wedge high tibial osteotomy for advanced medial knee osteoarthritis (OA) with subluxated lateral joint. We report the concept, the current surgical technique with a locking plate, and the short-term clinical and radiological results of this procedure. METHODS: 11 knees with medial OA and a widened lateral joint were treated by TCVO (KL stage III: 6, IV: 5). In this procedure, by the L-shaped osteotomy from the medial side of the proximal tibia to the intercondylar eminence and the valgus correction, lateralization of the mechanical axis and reduction of the subluxated lateral joint are obtained with early postoperative weight-bearing...
March 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28051829/apophyseal-and-epiphyseal-knee-injuries-in-the-adolescent-athlete
#5
P Persiani, F M Ranaldi, A Formica, M Mariani, O Mazza, M Crostelli, C Villani
OBJECTIVES: In the context of pediatric sports injuries, the epiphyseal and apophyseal knee fractures represent rather peculiar lesions. The most frequently involved anatomical area is the knee. The peculiar function of the physis and the need to preserve their integrity, makes choosing what treatment methods to employ very important. Objective of this study is to assess the kind and the effectiveness of the most suitable treatment in the apophyseal and epiphyseal knee lesions occurring in the adolescents...
November 2016: La Clinica Terapeutica
https://www.readbyqxmd.com/read/28031518/arthroscopic-fixation-with-endobutton-for-tibial-eminence-fractures-visualised-through-a-proximal-superomedial-portal-a-surgical-technique
#6
Hitoshi Sekiya, Kenzo Takatoku, Akinori Kimura, Yuji Kanaya, Takashi Fukushima, Katsushi Takeshita
Most tibial eminence fractures are avulsion fractures of the anterior cruciate ligament (ACL) from its tibial insertion. This study describes a new arthroscopic technique using an additional proximal superomedial portal to visualise the tibial eminence fracture and to fix the fracture with the EndoButton to avoid the risk of fragment breakage. The proximal superomedial portal enables fracture reduction without damage to the intermeniscal ligament. Fixation with the EndoButton is strong enough to allow early rehabilitation with vigorous exercise...
December 2016: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/27836692/corrigendum-to-an-original-arthroscopic-fixation-of-adult-s-tibial-eminence-fractures-using-the-tightrope%C3%A2-device-a-report-of-8-cases-and-review-of-literature-knee-21-2014-833-839
#7
Bruno Faivre, Horea Benea, Shahnaz Klouche, Florent Lespagnol, Thomas Bauer, Philippe Hardy
No abstract text is available yet for this article.
November 8, 2016: Knee
https://www.readbyqxmd.com/read/27753642/anterior-knee-impingement-in-a-high-level-football-punter-a-case-report-and-description-of-the-active-passive-knee-extension-test
#8
Mark F Sommerfeldt, Christopher C Kaeding
A 22-year-old football punter complained of anterior knee pain deep to his patellar tendon that occurred every time the knee of his kicking leg reached full extension during a punt. Arthroscopy confirmed anterior impingement between a fibrous tissue eminence directly anterior to his anterior cruciate ligament (ACL) and the intercondylar roof in full extension. With the eminence removed, full extension no longer caused impingement as demonstrated arthroscopically. He resumed punting at maximal effort 6 weeks postoperatively without pain...
October 6, 2016: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/27512259/short-term-effects-of-kinesio-tape-on-joint-position-sense-isokinetic-measurements-and-clinical-parameters-in-patellofemoral-pain-syndrome
#9
Emine Eda Kurt, Öznur Büyükturan, Hatice Rana Erdem, Figen Tuncay, Hicabi Sezgin
[Purpose] To evaluate the short-term effects of kinesio tape on joint position sense, isokinetic measurements, kinesiophobia, symptoms, and functional limitations in patients with patellofemoral pain syndrome. [Subjects and Methods] A total of 90 patients (112 knees) with patellofemoral pain syndrome were randomized into a kinesio tape group (n=45) or placebo kinesio tape group (n=45). Baseline isokinetic quadriceps muscle tests and measurements of joint position sense were performed in both groups. Pain was measured with a Visual Analog Scale, kinesiophobia with the Tampa kinesiophobia scale, and symptoms and functional limitations with the Kujala pain scale...
July 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/27349493/a-comparison-between-dynamic-implicit-and-explicit-finite-element-simulations-of-the-native-knee-joint
#10
Hamid Naghibi Beidokhti, Dennis Janssen, Mehdi Khoshgoftar, Andre Sprengers, Emin Semih Perdahcioglu, Ton Van den Boogaard, Nico Verdonschot
The finite element (FE) method has been widely used to investigate knee biomechanics. Time integration algorithms for dynamic problems in finite element analysis can be classified as either implicit or explicit. Although previously both static/dynamic implicit and dynamic explicit method have been used, a comparative study on the outcomes of both methods is of high interest for the knee modeling community. The aim of this study is to compare static, dynamic implicit and dynamic explicit solutions in analyses of the knee joint to assess the prediction of dynamic effects, potential convergence problems, the accuracy and stability of the calculations, the difference in computational time, and the influence of mass-scaling in the explicit formulation...
October 2016: Medical Engineering & Physics
https://www.readbyqxmd.com/read/27177640/comparison-of-the-insertion-of-the-posterior-horn-of-the-lateral-meniscus-discoid-versus-non-discoid
#11
Nam-Hong Choi, Bong-Seok Yang, Sang-Young Lee, Chae-Chul Lee, Chang-Yk Lee, Brian N Victoroff
PURPOSE: The purpose of this study was to compare the insertion sites of the posterior horn between discoid and non-discoid lateral meniscus using magnetic resonance imaging (MRI). METHODS: Two hundred and twenty-seven patients who had MRI scans before surgery and underwent arthroscopy were enroled in this study. A coronal view showing the narrowest width of the midbody of the lateral meniscus was chosen to measure the widths of the entire tibial plateau and the midbody of the lateral meniscus...
May 13, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27145774/proprioception-after-bicruciate-retaining-total-knee-arthroplasty-is-comparable-to-unicompartmental-knee-arthroplasty
#12
Florian Baumann, Özkan Bahadin, Werner Krutsch, Johannes Zellner, Michael Nerlich, Peter Angele, Carsten Oliver Tibesku
PURPOSE: Rising expectations in functional performance of total knee joints are inciting further improvement of knee arthroplasty implants. From a patient-centred view, bicruciate-retaining models provide a more natural feeling knee. However, there is no evidence of functional advantage for these implants. The aim of this study was to evaluate balance ability as a measure of proprioception in patients with a bicruciate-retaining total knee arthroplasty. METHODS: A prospective, controlled trial was conducted to compare balance ability in 60 patients after arthroplasty of the knee for osteoarthritis...
May 4, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27119035/a-case-of-nonunion-avulsion-fracture-of-the-anterior-tibial-eminence
#13
Satoru Atsumi, Yuji Arai, Shuji Nakagawa, Hiroaki Inoue, Kazuya Ikoma, Hiroyoshi Fujiwara, Toshikazu Kubo
Avulsion fracture of the anterior tibial eminence is an uncommon injury. If bone union does not occur, knee extension will be limited by impingement of the avulsed fragment and knee instability will be induced by dysfunction of the anterior cruciate ligament (ACL). This report describes a 55-year-old woman who experienced an avulsion fracture of the right anterior tibial eminence during recreational skiing. Sixteen months later, she presented at our hospital with limitation of right knee extension. Plain radiography showed nonunion of the avulsion fracture region, and arthroscopy showed that the avulsed fragment impinged the femoral intercondylar notch during knee extension...
2016: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/27052935/arthroscopic-treatment-of-intercondylar-eminence-fractures-with-intraepiphyseal-screws-in-children-and-adolescents
#14
H Najdi, C Thévenin-Lemoine, J Sales de Gauzy, F Accadbled
INTRODUCTION: Tibial intercondylar eminence fracture rarely occurs in childhood. Its treatment requires anatomic reduction to provide knee stability and a rigid fixation to minimize postoperative immobilization time. HYPOTHESIS: Arthroscopy combined with fluoroscopy with intra-epiphyseal ASNIS screw fixation can meet the requirements of this treatment. MATERIAL AND METHODS: The series comprised 24 patients (mean age: 11 years) with Meyers and McKeever type II tibial intercondylar eminence fractures (n=15) or type III (n=9), operated on between 2011 and 2013...
June 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27039964/arthroscopic-fixation-of-tibial-eminence-fractures-a-clinical-comparative-study-of-nonabsorbable-sutures-versus-absorbable-suture-anchors
#15
Weixiong Liao, Zhongli Li, Hao Zhang, Ji Li, Ketao Wang, Yimeng Yang
PURPOSE: To compare clinical outcomes of arthroscopic therapy for tibial eminence fracture with nonabsorbable suture and absorbable suture anchor. METHODS: Between February 2010 and September 2012, a total of 60 tibial eminence fracture patients were treated with nonabsorbable suture fixation or absorbable suture anchor fixation under arthroscopy. Patients with tibial plateau fractures and other significant injuries, including osteochondral lesions, meniscal tear, and anterior cruciate ligament (ACL) or mutiligament injuries, were excluded from the study...
August 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27026768/massive-pulmonary-embolism-in-a-patient-with-heparin-induced-thrombocytopenia-successful-treatment-with-dabigatran
#16
Haci Ahmet Bircan, Emine Guchan Alanoglu
Heparin induced thrombocytopenia (HIT) is a rare, potentially fatal, immune-mediated complication of heparin therapy, associated with thrombosis and thrombocytopenia. In this study, a successful dabigatran administration in a case with massive pulmonary thromboembolism (mPTE) and HIT is presented. 57 years-old female, who was receiving low molecular weight heparin (LMWH) (0.4 mL once a daily, S.C. for 11 days) due to total knee replacement, was referred to our clinic with the hypotension and syncope attacks...
February 2016: Eurasian Journal of Medicine
https://www.readbyqxmd.com/read/26929809/compartment-syndrome-following-arthroscopic-removal-of-a-bullet-in-the-knee-joint-after-a-low-velocity-gunshot-injury
#17
Mert Keskinbora, Sercan Yalçin, İsmail Oltulu, Mehmet Emin Erdil, Tuğrul Örmeci
Gunshot injuries are getting more frequently reported while the civilian (nongovernmental) armament increases in the world. A 42-year-old male patient presented to emergency room of Istanbul Medipol University Hospital due to a low-velocity gunshot injury. We detected one entry point on the posterior aspect of the thigh, just superior to the popliteal groove. No exit wound was detected on his physical examination. There was swelling around the knee and range of motion was limited due to pain and swelling. Neurological and vascular examinations were intact...
March 2016: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/26928558/qualitative-and-quantitative-measurement-of-the-anterior-and-posterior-meniscal-root-attachments-of-the-new-zealand-white-rabbit
#18
David Civitarese, Tammy L Haut Donahue, Christopher M LaPrade, Adriana J Saroki, Samuel G Moulton, Jason M Schon, Robert F LaPrade
BACKGROUND: The purpose of this study was to quantify the meniscal root anatomy of the New Zealand white rabbit to better understand this animal model for future in vitro and in vivo joint degeneration studies. METHODS: Ten non-paired fresh frozen New Zealand white rabbit knee stifle joints were carefully disarticulated for this study. Measurements were made for all bony landmarks and ligamentous structure attachment sites on the tibial plateau. The following soft tissue structures were consistently identified in the rabbit stifle joint: the anterior root attachment of the lateral meniscus, the anterior root attachment of the medial meniscus, the anterior cruciate ligament, the posterior root attachment of the medial meniscus, the ligament of Wrisberg, the posterior cruciate ligament, and the posterior meniscotibial ligament...
December 2016: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/26875266/-effectiveness-of-arthroscopic-ultra-braid-suture-plane-fixation-for-anterior-cruciate-ligament-tibial-eminence-avulsion-fractures
#19
Jing Wang, Xiaojun Weng, Jing Li, Xintong Chen
OBJECTIVE: To investigate the surgical technique and effectiveness of arthroscopic ULTRA-Braid suture plane fixation for anterior cruciate ligament (ACL) tibial eminence avulsion fractures. METHODS: Between June 2012 and October 2014, 16 cases of ACL tibial eminence avulsion fracture were treated with ULTRA-Braid suture plane fixation under arthroscopy. There werg 10 males and 6 females, aged from 17 to 38 years (mean, 25.8 years). The left knee was involved in 5 cases and the right knee in 11 cases...
November 2015: Chinese Journal of Reparative and Reconstructive Surgery
https://www.readbyqxmd.com/read/26829894/incidence-and-economic-burden-of-prosthetic-joint-infections-in-a-university-hospital-a-report-from-a-middle-income-country
#20
Emine Alp, Fatma Cevahir, Safiye Ersoy, Ahmet Guney
In this study, we aimed to evaluate the incidence and economic burden of prosthetic joint infections (PJIs) in a university hospital in a middle-income country. Surveillance data between April 2011 and April 2013 in the Orthopedic Surgery Department was evaluated. Patients (>16 years old) who had primary arthroplasty in Erciyes University were included in the study, and patients with preoperative infection were excluded. Patients were followed up during their stay in the hospital and during readmission to the hospital for PJI by a trained Infection Control Nurse...
July 2016: Journal of Infection and Public Health
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