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https://www.readbyqxmd.com/read/29791703/biological-intercalary-reconstruction-with-bone-grafts-after-joint-sparing-resection-of-the-lower-limb-is-this-an-effective-and-durable-solution-for-joint-preservation
#1
Francesco Muratori, Francesca Totti, Antonio D'Arienzo, Maurizio Scorianz, Guido Scoccianti, Giovanni Beltrami, Francesco Rosario Campo, Carmine Citarelli, Rodolfo Capanna, Domenico Andrea Campanacci
Due to advances in neoadjuvant therapies and preoperative imaging modalities, joint-sparing resections have become appealing in bone tumor surgery. However, the intercalary reconstruction of metadiaphyseal bone defects of the femur and the tibia after juxta-articular tumor resection remains challenging. Both biological and prosthetic reconstructions have been used for joint-sparing resections, but little is known about the long-term outcome of these procedures. The authors reviewed a consecutive series of 64 patients treated with joint-sparing intercalary resection and reconstruction with bone grafts...
June 1, 2018: Surgical Technology International
https://www.readbyqxmd.com/read/29770176/the-top-50-most-cited-articles-on-total-ankle-arthroplasty-a-bibliometric-analysis
#2
Azeem Tariq Malik, Shahryar Noordin
Total Ankle Arthroplasty (TAA) is a relatively new and evolving field in Foot and Ankle surgery. We conducted a citation analysis to identify the characteristics of the top 50 most cited articles on total ankle arthroplasty. Using the Web of Science database and the search strategy total ankle arthroplasty OR total ankle replacement , we identified 2445 articles. After filtering for relevant articles, the top 50 cited articles on total ankle arthroplasty were retrieved for descriptive and statistical analysis...
March 29, 2018: Orthopedic Reviews
https://www.readbyqxmd.com/read/29716723/experimental-evaluation-of-current-and-novel-approximations-of-articular-surfaces-of-the-ankle-joint
#3
Claudio Belvedere, Sorin Siegler, Andrea Ensini, Jason Toy, Paolo Caravaggi, Ramya Namani, Luca Giuseppe Princi, Stefano Durante, Alberto Leardini
Kinematics and flexibility properties of both natural and replaced ankle joints are affected by the geometry of the articulating surfaces. Recent studies proposed an original saddle-shaped, skewed, truncated cone with laterally oriented apex, as tibiotalar contact surfaces for ankle prosthesis. The goal of this study was to compare in vitro this novel design with traditional cylindrical or medially centered conic geometries in terms of their ability to replicate the natural ankle joint mechanics. Ten lower limb cadaver specimens underwent a validated process of custom design for the replacement of the natural ankle joint...
April 24, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29681160/particulated-autograft-cartilage-implantation-for-the-treatment-of-osteochondral-lesions-of-the-talus-a-novel-technique
#4
Connor Delman, John Wuellner, Chris Kreulen, Gregg Lundeen, Eric Giza
Osteochondral lesions of the talus often occur following ankle sprains and fractures. Operative intervention is typically required because of the diminished intrinsic repair capability of talar articular cartilage. Several techniques have evolved that emphasize replacing the defect with cartilage that closely mimics the biological properties of hyaline articular cartilage. The goals of operative treatment are resolution of symptoms, physiologic healing, and restoration of function while eliminating the need for further intervention...
April 1, 2018: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/29671497/osteoarthritis-rapid-evidence-review
#5
Mark H Ebell
Osteoarthritis (OA) should be suspected in patients with pain in the fingers, shoulders, hips, knees, or ankles, especially if they are older than 40 years. Patients older than 50 years who have joint pain, minimal morning stiffness, and functional impairment likely have OA. Radiography can confirm the diagnosis and may be helpful before surgical referral, but findings generally do not correlate well with symptoms. Exercise, physical therapy, knee taping, and tai chi are beneficial for knee OA. Medical therapy provides modest benefits in pain reduction and functional improvement; however, nonsteroidal anti-inflammatory drugs, tramadol, and other opioids have significant potential harms...
April 15, 2018: American Family Physician
https://www.readbyqxmd.com/read/29648889/patient-reported-allergies-do-not-predict-poorer-promis-function-pain-and-depression-scores-following-foot-and-ankle-surgery
#6
Devon C Nixon, Brian M Cusworth, Jeremy J McCormick, Jeffrey E Johnson, Sandra E Klein
BACKGROUND: Identifying preoperative risk factors that may portend poorer operative outcomes remains a topic of current interest. In hip and knee arthroplasty patients, the presence of patient-reported allergies (PRAs) has been associated with worse pain and function after joint replacement. However, these results have not been replicated across studies, including in shoulder arthroplasty cases. The impact of PRAs on foot and ankle outcomes has yet to be studied. The purpose of our study was to evaluate whether PRAs influence patient-reported outcome in foot and ankle surgery...
April 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29626655/complications-and-cost-of-single-stage-vs-two-stage-bilateral-unicompartmental-knee-arthroplasty-a-case-control-study
#7
C Siedlecki, P Beaufils, B Lemaire, N Pujol
BACKGROUND: Single-stage bilateral knee arthroplasty, even when unicompartmental, remains controversial, chiefly due to the risk of peri-operative complications. The primary objective of this study was to compare the short-term complication rate and cost of single- vs. two-stage bilateral unicompartmental knee arthroplasty (UCA). The secondary objective was to compare total hospital stay lengths and motion-range recovery. HYPOTHESIS: Single-stage bilateral UCA is a cost-saving alternative that is not associated with higher complication rates compared to two-stage bilateral UCA...
April 4, 2018: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29609159/net-ankle-quasi-stiffness-is-influenced-by-walking-speed-but-not-age-for-older-adult-women
#8
John D Collins, Elisa S Arch, Jeremy R Crenshaw, Kathie A Bernhardt, Sundeep Khosla, Shreyasee Amin, Kenton R Kaufman
BACKGROUND: Insufficient plantar flexor resistance due to plantar flexor weakness, an impairment common in patient populations, causes substantial gait deficits. The bending stiffness of passive-dynamic ankle-foot orthoses (PD-AFOs) has the capacity to replace lost plantar flexor resistance. Many patients who are prescribed PD-AFOs are older adults. While PD-AFO bending stiffness should be customized for patients, a method to objectively prescribe this stiffness does not exist. Quantifying natural plantar flexor resistance during non-pathological gait could provide a reference value for objectively prescribing PD-AFO bending stiffness...
March 26, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29594324/under-corrected-knees-do-not-fail-more-than-aligned-knees-at-8-years-in-fixed-severe-valgus-total-knee-replacement
#9
Bertrand Boyer, Régis Pailhé, Nassima Ramdane, David Eichler, Franck Remy, Matthieu Ehlinger, Gilles Pasquier
PURPOSES: A fixed severe valgus knee is a surgical challenge. A safe post-operative Hip-Knee-Ankle angle (HKA) range of 180° ± 4 was recommended, but recent studies mentioned equal results from outliers of this range. Nevertheless, no distinction was made between varus and valgus knees, as well as over-corrected or under-corrected knees. Did post-operative nonaligned total knee replacements (TKR) from fixed severe valgus knees behave differently from the properly aligned population? Did over-corrected knees behave differently from under-corrected knees? METHODS: Through a multi-center retrospective cohort study, we provided 557 knees of at least 10° of minimal pre-operative valgus; in this population 75 presented a post-operative Hip-Knee-Ankle angle (HKA) outside of the 180° ± 4 range; 23 of them had at least 5° of varus; 52 of them had at least 5° of valgus...
March 28, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29581918/steroids-and-thyrotoxicosis-precipitate-periodic-paralysis
#10
Rizwan Ahamed, Sarah McCalley, Anupam A Sule
Thyrotoxic Periodic Paralysis (TPP) belongs to a group of muscle diseases called channelopathies, which present with painless generalized muscle weakness without exertion. TPP can be precipitated by a large carbohydrate meal, stress, strenuous exercise, alcohol, a high-salt diet, menstruation, and cold temperatures. Rarely, steroids such as dexamethasone can also precipitate a TPP attack. A 29-year-old Hispanic male, with a history of hyperthyroidism, presented to the emergency department with progressive weakness, predominantly in the lower extremities since morning...
January 23, 2018: Curēus
https://www.readbyqxmd.com/read/29560526/total-ankle-replacement-leads-to-high-revision-rates-in-post-traumatic-end-stage-arthrosis
#11
Yves Gramlich, Oliver Neun, Alexander Klug, Johannes Buckup, Thomas Stein, Arvid Neumann, Sebastian Fischer, Hans-Peter Abt, Reinhard Hoffmann
INTRODUCTION: Extremely heterogeneous revision rates in total ankle arthroplasty (TAA) of the upper ankle joint are reported and result to heterogeneous collectives and to short follow-up times. The aim is to investigate revision rates and the underlying reasons, as well as treatment outcome and quality of life after TAA in post-traumatic cases with sufficient follow-up. METHODS: In 2008-2013, 74 patients with post-traumatic arthrosis were treated using TAA with a Tornier Salto prosthesis, and 60 (35 males and 25 females; mean age 56) were followed-up (mean: 59 months; range 24-91 months)...
March 20, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29557875/a-new-total-ankle-arthroplasty-implant-with-promising-level-iv-results-commentary-on-an-article-by-alexej-barg-md-et-al-early-clinical-and-radiographic-outcomes-of-trabecular-metal-total-ankle-replacement-using-a-transfibular-approach
#12
https://www.readbyqxmd.com/read/29557867/early-clinical-and-radiographic-outcomes-of-trabecular-metal-total-ankle-replacement-using-a-transfibular-approach
#13
Alexej Barg, Clayton C Bettin, Albert H Burstein, Charles L Saltzman, Jeremy Gililland
BACKGROUND: In the last 2 decades, total ankle replacement has gained greater acceptance as a treatment option in patients with end-stage ankle osteoarthritis. However, there is a lack of literature on total ankle replacement using a lateral transfibular approach. Therefore, we sought to report early clinical and radiographic results for a patient cohort treated with total ankle replacement using a lateral transfibular approach, performed by a single surgeon. METHODS: From October 2012 to December 2014, 55 primary total ankle arthroplasties using the Zimmer Trabecular Metal Total Ankle implant were performed in 54 patients (29 male and 25 female; mean age, 67...
March 21, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29551959/bi-articular-knee-ankle-foot-exoskeleton-produces-higher-metabolic-cost-reduction-than-weight-matched-mono-articular-exoskeleton
#14
Philippe Malcolm, Samuel Galle, Wim Derave, Dirk De Clercq
The bi-articular m. gastrocnemius and the mono-articular m. soleus have different and complementary functions during walking. Several groups are starting to use these biological functions as inspiration to design prostheses with bi-articular actuation components to replace the function of the m. gastrocnemius. Simulation studies indicate that a bi-articular configuration and spring that mimic the m. gastrocnemius could be beneficial for orthoses or exoskeletons. Our aim was to test the effect of a bi-articular and spring configuration that mimics the m...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29506397/prospective-cohort-study-on-the-employment-status-of-working-age-patients-after-recovery-from-ankle-arthritis-surgery
#15
Oliver J Gagné, Andrea Veljkovic, Mark Glazebrook, Timothy R Daniels, Murray J Penner, Kevin J Wing, Alastair S E Younger
BACKGROUND: People who are affected by end-stage ankle arthritis are as disabled as those suffering from arthritis in other main articulations of the lower extremity. Once these patients become unable to perform their job duties, they leave the workforce and require financial aid from government agencies, which represents a considerable economic burden. Regardless of whether arthrodesis or arthroplasty is performed, we hypothesized that patients younger than 55 years at the time of surgery should be able to return to work within 2 years and require less social assistance...
March 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29503137/sagittal-ankle-and-midfoot-range-of-motion-before-and-after-revision-total-ankle-replacement-a-retrospective-comparative-analysis
#16
Peter J Hordyk, Brent A Fuerbringer, Thomas S Roukis
The most common reason for a revision total ankle replacement procedure is a painful, stiff ankle even after the initial surgery. Limited and conflicting data are available regarding the change in sagittal foot and ankle range of motion after revision total ankle replacement surgery. We sought to determine whether revision total ankle replacements would reduce compensatory midfoot range of motion. In determining this, a novel radiographic measurement system with stable osseous landmarks is used. A retrospective medical record review of patients who had undergone revision total ankle replacement from January 2009 to June 2016 was performed...
May 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29499827/venous-thromboembolism-disease-prophylaxis-in-foot-and-ankle-surgery
#17
REVIEW
Bonnie Y Chien, Tonya Dixon, Daniel Guss, Christopher DiGiovanni
There are limited data to guide the use of venous thromboembolism disease (VTED) prophylaxis after foot and ankle surgery. Although there is general consensus that the overall risk is lower than after hip or knee replacement, subpopulations of patients may be at relatively heightened risk. Furthermore, existing data are often conflicting regarding the efficacy of prophylaxis, with little acknowledgment of the tradeoffs between VTED prophylaxis and potential complications associated with the use of such medications...
April 2018: Orthopedic Clinics of North America
https://www.readbyqxmd.com/read/29494748/trends-in-medicare-reimbursement-for-orthopedic-procedures-2000-to-2016
#18
Adam E M Eltorai, Wesley M Durand, Jack M Haglin, Lee E Rubin, Arnold-Peter C Weiss, Alan H Daniels
Understanding trends in reimbursement is critical to the financial sustainability of orthopedic practices. Little research has examined physician fee trends over time for orthopedic procedures. This study evaluated trends in Medicare reimbursements for orthopedic surgical procedures. The Medicare Physician Fee Schedule was examined for Current Procedural Terminology code values for the most common orthopedic and nonorthopedic procedures between 2000 and 2016. Prices were adjusted for inflation to 2016-dollar values...
March 1, 2018: Orthopedics
https://www.readbyqxmd.com/read/29472522/finite-element-study-of-implant-subsidence-and-medial-tilt-in-agility-ankle-replacement
#19
Yunwei Cui, Pan Hu, Ning Wei, Xiaodong Cheng, Wenli Chang, Wei Chen
BACKGROUND Clinical studies indicate that in total ankle arthroplasty, postoperative implant subsidence and medial tilt become two significant concerns of the ankle replacement system, and which are associated with the contact between the bones and the talar component. Up to now, little attention has focused on the contact between the bones and the talar component. MATERIAL AND METHODS In order to address implant subsidence and medial tilt, one three-dimensional finite element model of contact between the bone and the talar components was built with the material properties of the cancellous bone interpolated from the experimental data, which represents variation of material properties through the cancellous bones...
February 23, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29468513/-total-ankle-replacement
#20
REVIEW
Anke Röser, Sebastian Altenberger, Markus Walther
No abstract text is available yet for this article.
September 2017: MMW Fortschritte der Medizin
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