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https://www.readbyqxmd.com/read/29201298/lateralization-of-tibial-plateau-reference-point-improves-accuracy-of-tibial-resection-in-total-knee-arthroplasty-in-patients-with-proximal-tibia-vara
#1
Rajshekhar K Thippana, Malhar N Kumar
Background: The tibial cut referenced to the center of the intercondylar eminence often leads to varus malalignment in the presence of preexisting proximal tibia vara. The purpose of this study was to investigate the effect of lateralization of the lateral tibial plateau reference point (based on the amount of proximal tibia vara) on the postoperative coronal plane alignment. Methods: In this prospective cohort study, 62 patients (95 knees) with osteoarthritis and proximal tibia vara underwent primary total knee arthroplasty using a lateral tibial plateau reference point for the extramedullary jig...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29177951/posterolateral-overhang-affects-patient-quality-of-life-after-total-knee-arthroplasty
#2
Mehmet Emin Simsek, Mustafa Akkaya, Safa Gursoy, Cetin Isik, Akos Zahar, Samih Tarabichi, Murat Bozkurt
PURPOSE: To investigate the appropriate mediolateral placement of symmetrical tibial components and the amount of overhang expected from the posterolateral of tibial components implanted to give ideal coverage and the subsequent incidence of residual knee pain and reduction in functional capacity. METHOD: A retrospective evaluation was made of 146 consecutive total knee arthroplasties. The posterolateral overhang, rotational alignment and coverage of the tibial component were measured on a post-operative CT scan and the effect of posterolateral overhang on clinical outcomes was analysed 3 years after surgery...
November 24, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29173552/the-influence-of-tibial-and-femoral-bone-morphology-on-knee-kinematics-in-the-anterior-cruciate-ligament-injured-knee
#3
REVIEW
Drew Lansdown, Chunbong Benjamin Ma
Bone morphology is one feature that contributes to knee kinematics. The geometry of the tibia and femur vary across individuals, and these differences can influence the risk of anterior cruciate ligament (ACL) injury and of failure after isolated ACL reconstruction. There has been renewed interest in lateral extra-articular stabilization procedures to supplement an ACL reconstruction, although which patients benefit most from these procedures remains unclear. This article reviews the impact of bone morphology on knee kinematics, including tibial slope, depth of the medial tibial plateau, intercondylar notch shape, tibial eminence volume, and sphericity of the femoral condyles...
January 2018: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/29137625/variations-in-sagittal-locations-of-anterior-cruciate-ligament-tibial-footprints-and-their-association-with-radiographic-landmarks-a-human-cadaveric-study
#4
Hyung Joon Cho, Tae Kyun Kim, Seung-Baik Kang, Min Uk Do, Chong Bum Chang
BACKGROUND: This cadaveric study aimed to demonstrate variation of the anterior cruciate ligament (ACL) tibial attachment in the sagittal plane, and to analyze the radiographic landmarks which predict the sagittal location of the ACL tibial attachment. METHODS: In 20 cadaveric knees, native ACLs were removed and the centers of the ACL tibial and femoral attachments were marked with metal pins. Full extension lateral radiographs were then obtained in each cadaveric knee...
November 14, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28988937/temporal-trends-and-epidemiology-of-staphylococcus-aureus-surgical-site-infection-in-the-swiss-surveillance-network-a-cohort-study
#5
Mohamed Abbas, Emin Aghayev, Nicolas Troillet, Marie-Christine Eisenring, Stefan P Kuster, Andreas F Widmer, Stephan Harbarth
BACKGROUND: Staphylococcus aureus is the leading pathogen in surgical site infections (SSIs). AIM: To explore trends and risk factors associated with S. aureus SSI. METHODS: We identified risk factors for monomicrobial S. aureus SSI from the Swiss multi-centre SSI surveillance system using multivariate logistic regression. Both in-hospital and post-discharge SSIs were identified using standardized definitions. FINDINGS: Over a 6 year period, we collected data on 229,765 surgical patients, of whom 499 (0...
October 5, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28875226/-treatment-of-degenerative-meniscal-lesions-from-eminence-to-evidence-based-medicine
#6
REVIEW
R Becker, M Bernard, S Scheffler, S Kopf
BACKGROUND: The treatment of degenerative meniscal lesions has received increased attention since the publication of several Level 1 studies over the last few years. The following review of literature including the consensus statement given by ESSKA reports on the management of patients with degenerative meniscal lesions. MATERIAL AND METHODS: The analysis includes the literature of Level 1 to 4 studies and the statement of the consensus group of ESSKA concerning the surgical or conservative management of these patients...
October 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28856348/knotless-arthroscopic-reduction-and-internal-fixation-of-a-displaced-anterior-cruciate-ligament-tibial-eminence-avulsion-fracture
#7
Jordan A Bley, Ryan J Pomajzl, Patrick A Smith
Generally occurring in the 8- to 14-year-old population, tibial eminence avulsion fractures are a common variant of anterior cruciate ligament ruptures and represent 2% to 5% of all knee injuries in skeletally immature individuals. In this article, we report on a new arthroscopic reduction and internal fixation technique that involves 2 absorbable anchors with adjustable suture-tensioning technology. This technique optimizes reduction and helps surgeons avoid proximal tibial physeal damage, procedure-related morbidity, and additional surgery...
July 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28802422/management-of-neglected-acl-avulsion-fractures-a-case-series-and-systematic-review
#8
D K Chouhan, M S Dhillon, R John, A Khurana
INTRODUCTION: Neglected tibial eminence avulsion fractures of the anterior cruciate ligament (ACL) are uncommonly seen in modern times, but are fairly common due to a missed diagnosis/mismanagement in developing countries. OBJECTIVES: To determine the outcomes after open reduction and internal fixation of late presenting ACL avulsion fractures, and to review the literature for similar cases, in an attempt to evaluate the ideal surgical management in this unique scenario...
August 2017: Injury
https://www.readbyqxmd.com/read/28633149/tibial-eminence-involvement-with-tibial-plateau-fracture-predicts-slower-recovery-and-worse-postoperative-range-of-knee-motion
#9
Sanjit R Konda, Adam Driesman, Arthur Manoli, Roy I Davidovitch, Kenneth A Egol
OBJECTIVES: To examine 1-year functional and clinical outcomes in patients with tibial plateau fractures with tibial eminence involvement. DESIGN: Retrospective analysis of prospectively collected data. SETTING: Academic Medical Center. PATIENTS/PARTICIPANTS: All patients who presented with a tibial plateau fracture (Orthopaedic Trauma Association (OTA) 41-B and 41-C). INTERVENTION: Patients were divided into fractures with a tibial eminence component (+TE) and those without (-TE) cohorts...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28558862/first-results-of-the-swiss-national-surgical-site-infection-surveillance-program-who-seeks-shall-find
#10
Nicolas Troillet, Emin Aghayev, Marie-Christine Eisenring, Andreas F Widmer
OBJECTIVES To report on the results of the Swiss national surgical site infection (SSI) surveillance program, including temporal trends, and to describe methodological characteristics that may influence SSI rates DESIGN Countrywide survey of SSI over a 4-year period. Analysis of prospectively collected data including patient and procedure characteristics as well as aggregated SSI rates stratified by risk categories, type of SSI, and time of diagnosis. Temporal trends were analyzed using stepwise multivariate logistic regression models with adjustment of the effect of the duration of participation in the surveillance program for confounding factors...
June 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28523340/patient-and-surgical-characteristics-that-affect-revision-risk-in-dynamic-intraligamentary-stabilization-of-the-anterior-cruciate-ligament
#11
Philipp Henle, Kathrin S Bieri, Manuel Brand, Emin Aghayev, Jessica Bettfuehr, Janosch Haeberli, Martina Kess, Stefan Eggli
PURPOSE: Failure of dynamic intraligamentary stabilization (DIS) that requires revision surgery of the anterior cruciate ligament (ACL) has not been studied. The aim of this study was to investigate the incidence of revision ACL surgery, and the patient characteristics and surgery-related factors that are associated with an increased risk of ACL revision after DIS. METHODS: This study analysed a prospective, consecutively documented single-centre case series using standardized case report forms over a 2...
May 18, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28411875/association-between-lateral-patellar-osteoarthrosis-and-knee-morphology-and-alignment-in-young-adults
#12
R Sebro, S Weintraub
AIM: To assess whether patellar and trochlea morphology and patellar alignment are associated with lateral patellar osteoarthrosis/chondrosis (OAC) in young adults. MATERIALS AND METHODS: Magnetic resonance imaging (MRI) images of 183 subjects (81 cases, 102 controls) aged 21-35 years of age were evaluated. Quantitative measurements of patella and trochlea morphology and patellar alignment were obtained. Axial and sagittal MRI images were reviewed to grade the severity of focal cartilage defects along the lateral facet of the patella...
September 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28400665/arthroscopic-treatment-of-displaced-tibial-eminence-fractures-using-a-suspensory-fixation
#13
Philippe Loriaut, Pierre-Emmanuel Moreau, Patrick Loriaut, Patrick Boyer
BACKGROUND: Avulsion fractures of the tibial intercondylar eminence are fairly common injuries requiring surgery for the optimal functional outcome. The purpose of this study was to assess the clinical and radiological outcomes of an arthroscopic treatment of displaced tibial intercondylar eminence fractures using a suspensory device. MATERIAL AND METHODS: Five patients with type 2 and 3 displaced tibial intercondylar eminence fractures who received an arthroscopically assisted fixation using a double button device were enrolled from 2011 to 2012...
March 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28368929/outcomes-after-arthroscopic-fixation-of-tibial-eminence-fractures-with-bioabsorbable-nails-in-skeletally-immature-patients
#14
Amit M Momaya, Connor Read, Megan Steirer, Reed Estes
The aim of this paper is to report the outcomes and any complications with arthroscopic bioabsorbable nail fixation of tibial eminence fractures in skeletally immature patients. We retrospectively reviewed all surgically treated tibial eminence fractures treated by a single surgeon and seven patients were identified with a minimum 2-year follow-up. Mean deficits of flexion and extension were minimal. Satisfactory Tegner levels, Lysholm knee scores, and International Knee Documentation Committee subjective scores were reported...
March 31, 2017: Journal of Pediatric Orthopedics. Part B
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
#15
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...
August 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
#16
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...
May 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
#17
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
#18
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
#19
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
#20
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
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