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https://www.readbyqxmd.com/read/29333118/the-relationship-between-chondromalacia-patella-medial-meniscal-tear-and-medial-periarticular-bursitis-in-patients-with-osteoarthritis
#1
Mustafa Resorlu, Davut Doner, Ozan Karatag, Canan Akgun Toprak
Background: This study investigated the presence of bursitis in the medial compartment of the knee (pes anserine, semimembranosus-tibial collateral ligament, and medial collateral ligament bursa) in osteoarthritis, chondromalacia patella and medial meniscal tears. Patients and methods: Radiological findings of 100 patients undergoing magnetic resonance imaging with a preliminary diagnosis of knee pain were retrospectively evaluated by two radiologists. The first radiologist assessed all patients in terms of osteoarthritis, chondromalacia patella and medial meniscal tear...
December 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/29332692/dead-weight-validation-of-mass-regression-equations-on-experimentally-burned-skeletal-remains-to-assess-skeleton-completeness
#2
D Gonçalves, J d'Oliveira Coelho, A Amarante, C Makhoul, I Oliveira-Santos, D Navega, E Cunha
In very fragmentary remains, the thorough inventory of skeletal elements is often impossible to accomplish. Mass has been used instead to assess the completeness of the skeleton. Two different mass-based methods of assessing skeleton completeness were tested on a sample of experimentally burned skeletons with the objective of determining which of them is more reliable. The first method was based on a simple comparison of the mass of each individual skeleton with previously published mass references. The second method was based on mass linear regressions from individual bones to estimate complete skeleton mass...
January 2018: Science & Justice: Journal of the Forensic Science Society
https://www.readbyqxmd.com/read/29332201/gouty-involvement-of-the-patella-and-extensor-mechanism-of-the-knee-mimicking-aggressive-neoplasm-a-case-series
#3
Christopher Kester, Matthew T Wallace, James Jelinek, Albert Aboulafia
Gout is a common inflammatory crystal deposition disease that occurs in many joints throughout the body. Active gout is most often associated with painful synovitis causing searing joint pains, but gout can also produce large masses of space-occupying deposits called tophi. Tophi are most frequently seen in juxta-articular locations with or without bony erosion and are often misdiagnosed as degenerative joint disease. Soft tissue deposits and tendon involvement are also known manifestations of gout, but can present with indeterminate and alarming findings on imaging...
January 14, 2018: Skeletal Radiology
https://www.readbyqxmd.com/read/29331648/lung-ultrasound-to-detect-residual-pneumothorax-after-chest-drain-removal-in-lung-resections
#4
Miriam Patella, Andrea Saporito, Carla Puligheddu, Francesco Mongelli, Davide La Regina, Ramon Pini, Rolf Inderbitzi, Stefano Cafarotti
BACKGROUND: Indication for post-drain removal imaging after lung resection is debated. Chest x-ray (CXR) is widely used to confirm lung expansion but not evidence-based. We propose to introduce lung ultrasound (LUS) as alternative to exclude significant pneumothorax (PTx) in this setting. METHODS: Fifty patients undergoing lung resections were enrolled. Inclusion criteria were: complete expansion of the lung at post-operative CXR, pleural effusion <300ml/24h, air leak 10-20ml/min for 6 hours...
January 10, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29327545/-study-on-therapeutic-effects-of-arthroscopic-repair-on-medial-patellar-retinaculum-acute-injury
#5
Min Ren, Ping Zhen, Yu-Jun Fang, Xiao-Long Ren, Chen-Po Dang, Fei-Yi Hou, Shen-Song Li
OBJECTIVE: To accurately define the injury position of medial patellar retinaculum with acute injury under the guiding of high frequency ultrasonography, and to study therapeutic effects of suture operation on medial patellar retinaculum in the injuried position. METHODS: From June 2009 to March 2014, there were 17 patients with acute patellar dislocation, 6 males and 11 females with average age of (16.2±6.2) years old. The duration time of patellar dislocation was 2 weeks...
January 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29322497/genetics-of-patella-hypoplasia-agenesis
#6
REVIEW
C Vanlerberghe, N Boutry, F Petit
The patella is a sesamoid bone, crucial for knee stability. When absent or hypoplastic, recurrent knee subluxations, patello-femoral dysfunction and early gonarthrosis may occur. Patella hypoplasia/agenesis may be isolated or observed in syndromic conditions, either as the main clinical feature (Nail-Patella syndrome, Small Patella syndrome), as a clue feature which can help diagnosis assessment, or as a background feature that may be disregarded. Even in the latter, the identification of patella anomalies is important for an appropriate patient management...
January 11, 2018: Clinical Genetics
https://www.readbyqxmd.com/read/29322318/total-knee-arthroplasty-with-unexplained-pain-new-insights-from-kinematics
#7
Célia Planckaert, Gabriel Larose, Pierre Ranger, Marc Lacelle, Alexandre Fuentes, Nicola Hagemeister
INTRODUCTION: Up to 20% of total knee arthroplasty patients remain unsatisfied post-surgery, and a large proportion of them report anterior knee pain. This study aims to verify whether patients who experience anterior knee pain after total knee arthroplasty (TKA) will exhibit kinematic characteristics similar to those associated with patellofemoral syndrome, including in the frontal and transverse planes. MATERIALS AND METHODS: Using four different assessment methods [radiological, patient-reported outcome, musculoskeletal assessment with functional performance testing, and a 3D kinematic assessment during gait], the clinical and 3D knee kinematic profiles of three groups were compared: a painful and an asymptomatic TKA group and a healthy control group...
January 10, 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29322270/recent-developments-in-evaluation-and-treatment-of-lateral-patellar-instability
#8
REVIEW
Alexander Zimmerer, Christian Sobau, Peter Balcarek
Recent years have been characterized by an ongoing increase in knowledge about the different conditions associated with lateral patellar instability. This increase in knowledge provides differentiated approaches to the various pathologies of the patellofemoral joint. Though current guidelines consider medial patellofemoral ligament (MPFL) reconstruction the basic treatment for the unstable patella, medial soft tissue-stabilizing procedures should not be interpreted as stand-alone procedures in every case. The influence of different anatomical factors leading to patellar instability, as well as their impact on clinical outcome measures, is becoming increasingly apparent and deserves further attention...
January 10, 2018: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/29320560/measurements-agreement-between-low-cost-and-high-level-handheld-3d-scanners-to-scan-the-knee-for-designing-a-3d-printed-knee-brace
#9
Yoann Dessery, Jari Pallari
Use of additive manufacturing is growing rapidly in the orthotics field. This technology allows orthotics to be designed directly on digital scans of limbs. However, little information is available about scanners and 3D scans. The aim of this study is to look at the agreement between manual measurements, high-level and low-cost handheld 3D scanners. We took two manual measurements and three 3D scans with each scanner from 14 lower limbs. The lower limbs were divided into 17 sections of 30mm each from 180mm above the mid-patella to 300mm below...
2018: PloS One
https://www.readbyqxmd.com/read/29316386/changes-in-pain-sensitization-after-bariatric-surgery
#10
Joshua J Stefanik, David T Felson, Caroline M Apovian, Jingbo Niu, M Margaret Clancy, Michael P LaValley, Tuhina Neogi
OBJECTIVE: To evaluate changes in pain (at the knee and elsewhere) and pain sensitization in obese persons with knee pain undergoing bariatric surgery compared with similarly obese persons undergoing medical management. METHODS: Individuals undergoing bariatric surgery and medical management were recruited. Knee pain severity of the more painful knee (index knee) was assessed at baseline and 12 months using the WOMAC. Pressure pain threshold (PPT) was assessed at the index patella and the right wrist...
January 5, 2018: Arthritis Care & Research
https://www.readbyqxmd.com/read/29309465/biomechanical-evaluation-of-a-novel-suture-augment-in-patella-fixation
#11
Steven Magister, Seth Yarboro
Patella fractures, although uncommon in the context of corresponding long bone fractures, carry a disproportionately high degree of morbidity, and are often challenging to treat. As such, this study sought to evaluate the efficacy of a Krackow suture augment when compared to standard tension band fixation and cerclage suture augment in patella fracture repair. Cadaveric patella extensor mechanisms were used for biomechanical testing. Specimens were divided among 3 groups, each with a different repair technique: modified anterior tension band (MATB), MATB plus cerclage suture, and MATB plus Krackow suture...
November 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/29309452/a-systematic-review-of-21-tibial-tubercle-osteotomy-studies-and-more-than-1000-knees-indications-clinical-outcomes-complications-and-reoperations
#12
Bryan M Saltzman, Allison Rao, Brandon J Erickson, Gregory L Cvetanovich, David Levy, Bernard R Bach, Brian J Cole
Following PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines, we searched the literature for tibial tubercle osteotomy (TTO) studies and systematically reviewed them for indications, clinical outcomes, complications, and reoperations. Therapeutic clinical studies that reported TTO indications, operative findings, and outcomes were included. Quality of each study was assessed with the modified Coleman methodology score (MCMS). Twenty-one studies (976 patients, 1055 knees) were included in the analysis...
November 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/29309446/patella-alta-a-comprehensive-review-of-current-knowledge
#13
Roland M Biedert, Philippe M Tscholl
We systematically reviewed patella alta with respect to type of measurements, reported cutoff values, cutoff values for surgical correction, and proposed surgical techniques. Using the term patella alta, we performed a systematic literature search on PubMed. Inclusion criteria were original study or review articles, publication in peer-reviewed English-language journals between 2000 and 2017, and narrative description or measurement of human patellar height on plain radiographs or magnetic resonance imaging (MRI)...
November 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/29308925/treatment-of-patellar-lower-pole-fracture-with-modified-titanium-cable-tension-band-plus-patellar-tibial-tunnel-steel-8-reduction-band
#14
Jiaming Li, Decheng Wang, Zhiliang He, Hao Shi
PURPOSE: To determine the efficacy of modified titanium tension band plus patellar tendon tunnel steel 8 "reduction band" versus titanium cable tension band fixation for the treatment of patellar lower pole fracture. MATERIALS AND METHODS: 58 patients with lower patella fracture were enrolled in this study, including 30 patients treated with modified titanium cable tension band plus patellar tibial tunnel wire "8" tension band internal fixation (modified group), and 28 patients with titanium cable tension band fixation...
January 8, 2018: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/29307479/anterior-tibial-laxity-using-the-gnrb%C3%A2-device-in-healthy-knees
#15
Y Alqahtani, J Murgier, P Beaufils, P Boisrenoult, C Steltzlen, N Pujol
BACKGROUND: GRNB® is a non-radiating power tool that allows the evaluation of the anterior tibial translation. HYPOTHESIS: The pressure exerted by the system against the patella and the body mass index (BMI) could affect the anterior tibial translation when we repeat the measurements in healthy knees. MATERIALS AND METHODS: We retrospectively evaluated the measurements of anterior knee laxity in healthy knees carried out by the GNRB® in 69 consecutive patients who underwent anterior cruciate ligament (ACL) repair in the contralateral knee...
January 4, 2018: Knee
https://www.readbyqxmd.com/read/29302781/a-new-minimally-invasive-surgical-technique-for-medial-retinaculum-repair-following-traumatic-patellar-dislocation
#16
Haim Shtarker, Michael Assaf, Marshall N Deltoff
A new surgical method is introduced offering a less invasive approach to reattach the medial retinaculum following acute patellar dislocation. This retrospective analysis comprised 12 cases of medial retinacular repair in 10 patients. The surgical technique achieved reinforced reattachment of the torn region of the medial retinaculum for improved patellar support and stabilization. During follow-up, no recurrent patellar dislocations occurred, except where one patient reported a subjective feeling of patellar dislocation...
January 4, 2018: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29300223/osteotomies-in-patello-femoral-instabilities
#17
David Dejour, Bertrand Le Coultre
Patellar instability is defined by clinical and radiologic criteria. The surgical treatment is aimed at restoring the congruence of the patellofemoral articulation and correcting extensor mechanism malalignment, to prevent recurrence of dislocation. The standard soft-tissue procedures are lateral release and vastus medialis advancement and medial patello femoral ligament plasty. Bony procedures are frequently performed in addition to soft-tissue surgery, to realign the extensor mechanism by means of tibial tubercle medialization, or to correct the patellar index in patella alta...
March 2018: Sports Medicine and Arthroscopy Review
https://www.readbyqxmd.com/read/29299767/outcome-of-osteosynthesis-for-periprosthetic-fractures-after-total-knee-arthroplasty-a-retrospective-study
#18
Hasmukh Nagwadia, Prateek Joshi
INTRODUCTION: Incidence of periprosthetic fractures around knee is going to rise in near future due to dramatic increase in total knee arthroplasty (TKA). Our study is a retrospective case series describing the outcome of osteosynthesis for periprosthetic fractures after TKA. MATERIALS AND METHODS: We analyzed the outcome of osteosynthesis for periprosthetic fractures with stable implants in 43 patients having 45 fractures operated between 2010 and 2015. RESULTS: Out of 43 patients, the majority were female (M-15, F-28) with mean age of 65...
January 3, 2018: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29299655/medial-patellofemoral-ligament-reconstruction-in-children-do-osseous-abnormalities-matter
#19
Sebastien Pesenti, Matthieu Ollivier, Jean-Charles Escudier, Mathieu Cermolacce, Alexandre Baud, Franck Launay, Jean-Luc Jouve, Elie Choufani
PURPOSE: Management of post-traumatic patellar instability in children with osseous abnormalities is challenging because of the presence of an open physis. The aim of our study was to compare the rate of recurrence after isolated reconstruction of the medial patellofemoral ligament (MPFL) in children with or without osseous abnormalities. METHODS: The medical records of 25 children (27 knees) with recurrent patellar dislocation were reviewed. Each child underwent an isolated reconstruction of the MPFL using a hamstring graft...
January 4, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29299225/fes-bike-race-preparation-to-cybathlon-2016-by-ema-team-a-short-case-report
#20
Juliana Araujo Guimarães, Lucas Oliveira da Fonseca, Ana Carolina de Sousa, Miguel Eduardo Gutierrez Paredes, George Andrew Brindeiro, Antônio Padilha Lanari Bó, Emerson Fachin-Martins
FES-assisted cycling has been recommended to people struggling to emerge from a disability to more functioning life after spinal cord injury. Recommendations issued by a gowing number of scientific papershas promised toimprove body composition and physical activity levels, as well as to controlinvoluntary muscle response; favoring activity and participation which break new grounds in expanding locomotion, leisure and occupational options for people with paraplegia and tetraplegia. In this report we described our experience to select and prepare a pilot to compete in the FES Bike Race modality at Cybathlon 2016 in Kloten (Zurick)...
December 5, 2017: European Journal of Translational Myology
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