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Journal of Orthopaedics

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https://www.readbyqxmd.com/read/29379254/inadvertent-hypothermia-in-hip-and-knee-total-joint-arthroplasty
#1
M Williams, Y El-Houdiri
Background: This clinical study aims to establish rates of inadvertent hypothermia (IH) in both primary and revision total hip/knee arthroplasty (THA/TKA and rTHA/rTHA). We postulate differences exist between demographic, surgical and anesthetic variables and outcomes for IH and normothermic patients. Methods: We conducted a single centre, retrospective study of 2431 total joint arthroplasty (TJA) patients having undergone THA (n = 1096), TKA (n = 1083), rTHA (n = 165) and rTKA (n = 87) from March 2013 to December 2016...
March 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29379253/templating-in-uncemented-tha-on-accuracy-and-postoperative-leg-length-discrepancy
#2
Nils J Strøm, Olav Reikerås
Purpose: This study examines the accuracy of digital templating in uncemented total hip arthroplasty (THA), i.e., whether the templated components where actually inserted during surgery. The surgical outcome was evaluated on the basis of limb length equality. Methods: We retrospectively examined digital x-rays of 41 patients scheduled for uncemented THA. These were templated using templating software. The template was compared to the surgical choice of implant registered in the patients' journal...
March 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29379252/ground-reaction-vector-re-adjustment-the-secret-of-success-in-treatment-of-medial-compartment-knee-osteoarthritis-by-novel-high-fibular-osteotomy
#3
Wenjun Xie, Yu Zhang, Xiaodong Qin, Lijun Song, Qun Chen
High fibular osteotomy has been preliminarily proved to be an effective treatment of knee osteoarthritis by excising a segment of bone at the proximal part of fibula. This imaginative procedure is clinical validated by its instant and explicit knee pain resorption and eventually deformity correction. The rationale of this treatment is named non-uniform settlement of the tibial plateau and used to elucidate the cause of knee joint degeneration, but cannot illuminate the reason of prompt postoperative pain resorption faithfully...
March 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29326497/is-the-modified-harris-hip-score-valid-and-responsive-instrument-for-outcome-assessment-in-the-indian-population-with-pertrochanteric-fractures
#4
Karthik Vishwanathan, Keyur Akbari, Amit J Patel
Introduction: The original Harris hip score (HHS) does not contain ability to perform squatting and sitting cross legged as items in the questionnaire and hence a need was felt to modify the Harris hip score so that it could stay relevant in functional assessment of Indian patients in the rural setting. Validity, responsiveness and ceiling floor effect of the Harris hip score after internal fixation of pertrochanteric fracture has not been previously described. The objective of the study was to investigate construct validity, responsiveness and ceiling floor effects of the modified Harris hip score (mHHS)...
March 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29225426/incidence-and-predictors-of-total-knee-arthroplasty-following-knee-arthroscopy
#5
Tristan Camus, Jiho Han, Feroz Osmani, Norman Scott, William J Long
Objective: The purpose of this study was to determine the effectiveness of knee arthroscopy (KA) in patients with symptomatic meniscal tears or mechanical symptoms and OA, by using conversion to TKA as a final outcome measure. Methods: Retrospective review of all patients with OA who underwent KA in our practice. Results: 1215 KAs were reviewed; 3.9% underwent conversion to TKA at an average of 3.2 years. Conclusion: KA plays a role in delaying TKA in knees with meniscal tears and mechanical symptoms with concurrent OA...
March 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29203971/incidence-of-spinal-epidural-lipomatosis-in-patients-with-spinal-stenosis
#6
Jason Bradley Malone, Patrick Jon Bevan, Todd Jay Lewis, Andrew David Nelson, Doug Edward Blaty, Michael Eastland Kahan
Inroduction: Spinal Epidural Lipomatosis (SEL) is believed to be a rare disorder. The incidence and prevalence of clinically symptomatic SEL in patients with spinal stenosis has never been reported in the literature. Our study aims to determine the prevalence, incidence, and associated risk factors of SEL in patients with the diagnosis of spinal stenosis. Methods: This is a retrospective study. We reviewed the charts of 831 patients with the diagnosis of spinal stenosis over a 30 month period...
March 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29200709/total-knee-arthroplasty-in-young-patients-factors-predictive-of-aseptic-failure-in-the-2nd-4th-decade
#7
Tristan Camus, William J Long
Objective: In a recently published article we reviewed our long term outcomes of TKA in young patients (<55) with end stage OA. The purpose of this study was to identify what additional factors may predict aseptic failure in these young patients. Methods: A retrospective review of all patients in our young TKA database was performed, and included failure only for mechanical wear and loosening. Results: The IB-II prosthesis, a thin polyethylene (<9 mm), and higher Knee Society functional class at midterm follow-up was associated with higher failure rate...
March 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29187778/30-years-of-experience-with-the-cementless-implanted-alloclassic-total-hip-arthroplasty-system-an-ultra-long-term-follow-up
#8
Lorenz Pisecky, Günter Hipmair, Bernhard Schauer, Nikolaus Böhler
Objective: The aim of this study was to evaluate our long-term results with the Zweymüller hochgezogen and SL total hip arthroplasty system. This is the first study to provide a 30-year follow-up. Methods: We reviewed 186 Alloclassic stem systems (Zweymüller hochgezogen (112) and SL (74), implanted in 179 patients from 1986 to 1987.Two different types of cementless acetabular components were used.143 patients had died over the last 30 years, so thirty out of 36 patients being still alive, with a mean follow-up of 29,48 years (SD 0,51), were contacted by telephone and evaluated radiologically and clinically...
March 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29167606/results-of-operative-4-in-1-patella-realignment-in-children-with-recurrent-patella-instability
#9
Francesc Malagelada, Ole Rahbek, Cyrus Sahirad, Manoj Ramachandran
Purpose: Recurrent patellar instability is a cause of knee dysfunction, limitation and pain for children. If nonoperative treatment fails to stabilise the patella, operative realignment and stabilisation have been advocated. Operative techniques in the paediatric population must preserve physeal growth while ensuring stability. We aimed to determine the outcome of children and adolescents who underwent a 4-in-1 patellar realignment (lateral release, medial reefing, Insall tube realignment and Roux-Goldthwaite patella ligament transfer)...
March 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29167605/clinical-outcomes-involving-patients-that-develop-septic-arthritis-with-methicillin-sensitive-staphylococcus-aureus-versus-methicillin-resistant-staphylococcus-aureus
#10
REVIEW
Kristen Combs, Kyle Cox
Septic Arthritis is an orthopedic emergency that requires prompt diagnosis and treatment. Staphylococcus aureus is the most common pathogen causing septic arthritis. This review seeks to describe clinical characteristics and outcomes associated with patients with methicillin-resistant (MRSA) vs. methicillin-sensitive staphylococcus aureus (MSSA) septic arthritis. The review showed that those infected with MRSA were older, had more chronic medical conditions, and higher values of inflammatory markers. MRSA septic arthritis was also associated with more complications, longer duration of antibiotics, and increased mortality...
March 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29167604/lumbar-facet-joint-injection-in-treating-low-back-pain-radiofrequency-denervation-versus-sham-procedure-systematic-review
#11
Munnan Al-Najjim, Rohit Shah, Mahmoud Rahuma, Omar Abdul Gabbar
The lumbar facet joints have been implicated as one of the causes of low-back pain syndromes. About 15-40% of patients who presented with chronic low-back pain was attributed to lumbar facet joint pain. The purpose of this study was to analyse whether radiofrequency denervation is better than SHAM procedure in treating chronic low-back pain caused by lumbar zygapophysial joints pathology. From the four identified randomised control trials, there is conflicting evidence at an intermediate 3-6-month stage, however; one study demonstrates statistical significance of radiofrequency denervation at 3 months...
March 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29200708/biomechanics-of-acl
#12
EDITORIAL
P Gopinathan Patinharayil
No abstract text is available yet for this article.
December 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29033502/biomechanical-model-based-evaluation-of-total-hip-arthroplasty-therapy-outcome
#13
Jörg Eschweiler, Julia Hawlitzky, Valentin Quack, Markus Tingart, Björn Rath
OBJECTIVE: Total-hip-arthroplasties are performed to treat patients with osteoarthritis. Surgical planning is usually based on specific radiographs. These information could also be used as data for biomechanical modelling. METHODS: Models are rarely used during clinical practice. Our aim was to analyze model-based the pre- and postoperatively hip-biomechanic. Pre- and postoperative X-rays of 30 patients were examined by using 4 biomechanical-models. RESULTS: The received results showed variations e...
December 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28970669/how-does-reverse-shoulder-replacement-change-proprioception-in-patients-with-cuff-tear-arthropathy-a-prospective-optical-3d-motion-analysis-study
#14
Pit Hetto, Matthias Bülhoff, Boris Sowa, Matthias C Klotz, Michael W Maier
BACKGROUND: Reverse total shoulder arthroplasty (RSA) can improve function in cuff tear arthropathy (CTA) shoulders, but limited data are available on the effect of RSA on proprioception. The purpose of this study was the evaluation of the proprioception after RSA. METHOD: This study included fifteen consecutive patients (n = 15) who received an RSA. We measured an active angle reproduction (AAR) by a novel 3D motion analysis using the Heidelberg upper extremity model (HUX)...
December 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28883689/lateral-column-lengthening-for-adolescent-idiopathic-pes-planovalgus-deformity-systematic-review
#15
REVIEW
Sanjay Kumar, S V Sonanis
Pes planovalgus is the commonest foot deformity in children and presents with wide range of severity and symptoms. Surgery is mostly indicated for significant malalignment, resistant to non-surgical management. Lateral column lengthening is considered an appealing option as does not involve arthrodesis and allows for further growth and foot development. METHODS: We conducted a systematic review on lateral column lengthening for pes planovalgus deformity in line with PRISMA-P Checklist...
December 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28878518/on-demand-antibiotic-eluting-microchip-for-implanted-spinal-screws
#16
Adam E M Eltorai
OBJECTIVE: Surgical instrumentation of the spine is susceptible to infection. Intravenous antibiotics is a current mainstay of treating infection; however penetrating the bacterial biofilm and directly targeting the source of the infection is challenging. METHODS: Using multiple reservoirs of discrete drug doses, microchips represent a new technology capable of on-demand drug release over long periods of time. RESULTS: A novel solution of integrating vancomycin-eluting microchips into pedicle screws in order directly target and treat spinal infections is proposed...
December 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28878517/comparison-of-metal-ion-levels-in-patients-with-hip-resurfacing-versus-total-hip-arthroplasty
#17
Craig W Forsthoefel, Nicholas M Brown, Mark L Barba
Mechanical wear at the articular surface and corrosive processes at modular junctions, such as the trunnion, are responsible for metal ions production. We retrospectively reviewed 64 patients who underwent THA with a metal on metal bearing surface and 34 patients with hip Resurfacing. Metal ion measurements, six-week post-op radiographs, and functional scores were included in the analysis. Cobalt ion levels were significantly elevated in THA patients, 2.95 μg/L as compared to resurfacing patients, (2.95 versus 1...
December 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28878516/enhanced-recovery-principles-applied-to-revision-hip-and-knee-arthroplasty-reduces-length-of-stay-and-blood-transfusion
#18
Michael Kent, Nick Calvert, Kevin Blades, Alex Swann, Piers Yates
INTRODUCTION: This is the first study reporting the application of Enhanced Recovery Principles (ERP) to revision arthroplasty. METHOD: Retrospective series of 132 revision hip and knee replacements treated with ERP. RESULTS: Infiltration was associated with reduced LOS in knees (6 vs 8.5 days), lower PCA usage and incidence of transfusion in knees (2 vs 3 days) and hips (1 vs 6 days). Revisions for infection had a longer LOS (5.4 vs 11...
December 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28878515/review-medial-collateral-ligament-injuries
#19
REVIEW
Kyle Andrews, Alex Lu, Lucas Mckean, Nabil Ebraheim
The medial collateral ligament (MCL) is a major stabilizer of the knee joint. It is the most common ligament injured in the knee, particularly in athletes, and has been reported to be torn in 7.9% of all knee injuries.2 The MCL has a complex, layered anatomy with multiple insertions and functions. Minor trauma can cause tearing of the superficial portion whereas higher energy mechanisms can disrupt both the deep and superficial layers. History and physical are often adequate, but the gold standard for diagnosis is MRI...
December 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28878514/traumatic-cervical-epidural-hematoma-due-to-fusion-mass-fracture-following-elective-rod-removal
#20
Dominic T Kleinhenz, Adam E M Eltorai, Stephen Huo, Alan H Daniels
Many studies have examined complications associated with spinal instrumentation, however, few have analyzed complications associated with removal. In this case report, we outline the course of a patient who presented with cervical epidural hematoma secondary to fusion mass fracture five years after removal of spinal hardware.
December 2017: Journal of Orthopaedics
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