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Journal of Orthopaedics

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https://www.readbyqxmd.com/read/28442853/removal-of-a-well-fixed-cemented-acetabular-component-using-biomechanical-principles
#1
A Gordon Burgess, Colin R Howie
BACKGROUND: Removal of well fixed components can be a complex problem facing an orthopaedic surgeon during revision hip arthroplasty. As the burden of revision hip surgery increases, techniques have been described to enable safe and reliable removal of well fixed components. Removal of well fixed cemented components requires different considerations to the removal of cemented components. Polymethylmethacrylate bone cement and polyethylene have unique biomechanical properties. METHOD: We present a step-by-step technique to reliably and safely remove a well fixed cemented acetabular component and underlying cement during revision hip arthroplasty...
June 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28442852/perioperative-systemic-glucocorticoids-in-total-hip-and-knee-arthroplasty-a-systematic-review-of-outcomes
#2
REVIEW
Jeffrey Hartman, Vickas Khanna, Anthony Habib, Forough Farrokhyar, Muzammil Memon, Anthony Adili
BACKGROUND: Perioperative systemic glucocorticoids are frequently included in multimodal analgesia and antiemetic regimens administered to patients undergoing total hip arthroplasty (THA) and total knee arthroplasty (TKA). The objective of this systematic review was to evaluate the available randomized controlled trials (RCTs) to determine the effect of perioperative systemic glucocorticoids on postoperative nausea and vomiting (PONV), pain, narcotic consumption, antiemetic consumption, length of stay in hospital, and major complications in patients undergoing elective THA or TKA...
June 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28392637/long-term-results-of-impaction-bone-grafting-using-a-synthetic-graft-apapore-in-revision-hip-surgery
#3
V Kumar, M Ricks, S Aboul-Enin, D G Dunlop
INTRODUCTION: Impaction Bone grafting (IBG) in Revision THR is challenging and places demands on allograft stores. Identifying a potential synthetic replacement that works in the longer term was the aim of this study. METHODS: We retrospectively reviewed 21 sequential patients who had undergone revision THR using IBG. They were randomised to receive either combined allograft and synthetic graft or Allograft alone. Among the surviving 15 patients, there were total of 25 procedures were carried out...
June 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28392636/subcutaneous-emphysema-after-shoulder-arthroscopy-a-case-report-and-review-of-the-literature
#4
Els S M Van Nieuwenhuyse, Bart Kerens, Jan Moens, Gunther Kiekens
INTRODUCTION: Subcutaneous emphysema (SE) and pneumomediastinum are rare complications after shoulder arthroscopy. CASE REPORT: A case is presented in which SE was seen after arthroscopic cuff repair. DISCUSSION: A review of current literature shows that SE after shoulder arthroscopy can be due to loco-regional anaesthesiology, endotracheal intubation, gas-forming infection, postoperative mobilisation or the arthroscopic procedure itself. During the procedure air can be sucked into the subacromial space due to suction and subsequently transferred into subcutaneous tissue by the positive pressure of the infusion pump...
June 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28392635/position-of-the-sciatic-nerve-and-effect-of-gluteus-maximus-release-during-hip-arthroplasty
#5
Andrew J Kanawati, Rajpal Narulla, Peter Lorentzos, Edward Graham
Eight Thiel embalmed hips were dissected. The distance between the sciatic nerve and the femoral neck was measured before and after hip dislocation, and before and after release of the gluteus maximus tendon. There was a significant reduction in the mean distance between the neck of femur and the sciatic nerve in both the gluteus maximus tendon release and the unreleased groups at 60° and 90° of hip flexion, p < 0.05. The mean distance between the neck of femur and sciatic nerve was greater in the release group for all positions...
June 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28392634/a-new-concept-for-measuring-leg-length-discrepancy
#6
Sam Khamis, Eli Carmeli
No abstract text is available yet for this article.
June 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28377644/finite-element-analysis-of-sagittal-balance-in-different-morphotype-forces-and-resulting-strain-in-pelvis-and-spine
#7
REVIEW
Vincenzo Filardi, Portaro Simona, Giorgio Cacciola, Salvatore Bertino, Luigi Soliera, Andrea Barbanera, Alessandro Pisani, Demetrio Milardi, Bramanti Alessia
In humans, vertical posture acquisition caused several changes in bones and muscles which can be assumed as verticalization. Pelvis, femur, and vertebral column gain an extension position which decreases muscular work by paravertebral muscles in the latter. It's widely known that six different morphological categories exist; each category differs from the others by pelvic parameters and vertebral column curvatures. Both values depend on the Pelvic Incidence, calculated as the angle between the axes passing through the rotation centre of the two femur heads and the vertical axis passing through the superior plate of the sacrum...
June 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28377643/langerhans-cell-histiocytosis-of-the-cervical-spine-in-an-adult-patient-case-report-and-review-of-the-literature
#8
Ines Vielgut, Bernadette Liegl-Atzwanger, Gerhard Bratschitsch, Andreas Leithner, Roman Radl
Langerhans-cell histiocytosis (LCH) is a rare, benign bone tumor, usually occurring in children and younger adults under 20 years old. Only a few cases of solitary bone lesions of the adult spine are reported in literature, therapeutic guidelines or treatment regimens for lesions of the adult spine are not established yet to our knowledge.
June 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28377642/computer-navigation-and-distal-femoral-reconstruction-in-the-oncologic-patient
#9
Brian T Palumbo, Eric Henderson, Justin Rizer, Douglas G Letson, David Cheong
OBJECTIVES: As adjuvant treatments for musculoskeletal malignancies improve expectations of preserved function increase. We questioned whether computer navigation for distal femoral reconstruction would improve outcomes. METHODS: Twenty oncology patients were reviewed after distal femoral reconstruction using navigation. Outcomes included local recurrence, implant revision, patient function, patellofemoral complications and leg-length inequality. RESULTS: Implant survivorship was 85% at 26 months...
June 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28367006/bmp-2-induced-bone-formation-and-neural-inflammation
#10
REVIEW
Vi Nguyen, Carolyn A Meyers, Noah Yan, Shailesh Agarwal, Benjamin Levi, Aaron W James
Bone morphogenetic protein-2 (BMP-2), a potent osteoinductive cytokine from the transforming growth factor beta (TGF-β) family, is currently the most commonly used protein-based bone graft substitute. Although clinical use of BMP-2 has significantly increased in recent years, its prominence has also highlighted various adverse events, including induction of inflammation. This review will elucidate the relationship between BMP-2 and inflammation, with an emphasis on peripheral nerve inflammation and its sequelae...
June 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28367005/a-multidisciplinary-approach-to-improve-the-quality-of-care-for-patients-with-fragility-fractures
#11
Laura C Lamb, Stephanie C Montgomery, Brian Wong Won, Siobhan Harder, Jeffrey Meter, James M Feeney
BACKGROUND: Fragility fractures have become a worldwide epidemic associated with significant morbidity and mortality. As the world population ages, the number of patients that experience these fractures is also expected to rise. A multidisciplinary team was assembled that was coordinated by the Acute Inpatient Medical Service and included orthopedic surgeons, geriatricians, anesthesiologists, cardiologists, nurses, trauma surgeons, emergency medicine physicians, physiatrists, and physical therapists...
June 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28360487/all-inside-acl-reconstruction-how-does-it-compare-to-standard-acl-reconstruction-techniques
#12
REVIEW
Alexander J Connaughton, Andrew G Geeslin, Christopher W Uggen
The all-inside ACL reconstruction technique is a relatively new development in ACL surgery. Some features of this technique include closed-socket tunnels, dual suspensory graft fixation, decreased bone removal, and smaller skin incisions. The purpose of this review was to compare the unique features of the all-inside ACL versus standard ACL techniques using biomechanical and clinical studies. The all-inside ACL appears to have similar overall results on subjective and objective outcomes studies compared to standard ACL techniques and may be associated with decreased post-operative pain...
June 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28331279/unplanned-90-day-readmissions-in-a-specialty-orthopaedic-unit-a-prospective-analysis-of-consecutive-12729-admissions
#13
Mahender Avinash, S Rajasekaran, Siddharth N Aiyer
INTRODUCTION: Unplanned readmissions are an undesirable and expensive outcome of clinical practice. Previous reported literature is limited by retrospective study designs and 30 day study intervals. We analyzed causes for 90-day unplanned readmission, temporal occurrence of major causes, possible predisposing factors, bed days lost and economic impact. MATERIALS & METHODS: A prospective analysis of 12729 admissions was performed over 1 year in an Orthopaedic unit...
June 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28203049/medium-term-review-of-the-asr-implant-system-a-single-surgeon-series
#14
M Curtin, E Murphy, C Bryan, D Jadaan, M Jadaan, D Bergin, C G Murphy, W Curtin
INTRODUCTION: Both ASR hip resurfacings and stemmed ASR XL arthroplasties have failed at high rates in several published series. We assessed a single surgeon series of these arthroplasties looking to identify factors associated with their failure. METHODS: All surgeries were performed by one surgeon. Patients were evaluated clinically, radiologically and with serial cobalt and chromium ion analysis. RESULTS: 274 implants were analysed - 152 ASR resurfacings and 122 ASR XL implants...
June 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28203048/atypical-femoral-shaft-fractures-secondary-to-long-term-bisphosphonate-therapy
#15
Cemil Kayali, Taskin Altay, Firat Ozan, Serkan Sozkesen, Kamil Yamak
BACKGROUND: Bisphosphonates (BPs) are one of the most commonly used agents in the treatment of post-menopausal osteoporosis and other metabolic bone diseases. METHODS: Between 2010 and 2015, data of 22 osteoporotic women with femoral fractures due to low-energy trauma who received BPs previously were analysed. RESULTS: The mean duration of BP therapy was 7.6 years. The mean duration of union was 7.4 months. Five patients had non-union. Stress reaction was observed in the contralateral femur in 11 patients...
June 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28203047/transplantation-of-autologous-chondrocytes-ex-vivo-expanded-using-thermoreversible-gelation-polymer-in-a-rabbit-model-of-articular-cartilage-defect
#16
Sivaraman Arumugam, Balasubramanyan Bhupesh Karthik, Rajeswar Chinnuswami, Yuichi Mori, Hiroshi Yoshioka, Rajappa Senthilkumar, Rajmohan Mathaiyan, Karthick Ramalingam, Preethy Senthilkumar, Samuel J K Abraham
Graft failure due to de-differentiation of the chondrocytes during in vitro culture and after transplantation is a major hurdle in Autologous Chondrocyte Implantation (ACI). We, herein, report the transplantation of autologous chondrocytes ex vivo expanded using a Thermo-reversible Gelation Polymer (TGP) in a rabbit model. A full thickness chondral defect was created in one of the knee joints in each of the six rabbits of the study and autologous chondrocytes in vitro expanded using TGP scaffold were transplanted after 10 weeks...
June 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28216854/future-trends-in-acl-rupture-management
#17
EDITORIAL
Gopinathan Patinharayil
No abstract text is available yet for this article.
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28123262/bi-cruciate-substituting-total-knee-arthroplasty-improved-medio-lateral-instability-in-mid-flexion-range
#18
Takao Kaneko, Norihiko Kono, Yuta Mochizuki, Masaru Hada, Shinya Toyoda, Yoshiro Musha
PURPOSE: Appropriate medio-lateral (ML) stability is an important factor of good clinical outcome following total knee arthroplasty (TKA). We hypothesized that a newly introduced Bi-Cruciate Stabilized substituting (BCS) prosthesis reduces the medio-lateral instability in mid-flexion range. The purpose of this study was to measure the ML stability (varus ligament balance) using a new tensor device after implantation of BCS TKA and to analysis the association between varus ligament balance and clinical results after TKA...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28123261/comparison-of-dynamics-in-3d-glenohumeral-position-between-primary-dislocated-shoulders-and-contralateral-healthy-shoulders
#19
Doo Sup Kim, Bonggun Lee, Scott A Banks, Kyungjin Hong, Young Hwan Jang
BACKGROUNDS: After shoulder dislocation, kinematic changes in shoulder, including translation of the humeral head, ensue. There have been many attempts to measure these changes using motion measurement techniques, but in vivo three-dimensional (3D) glenohumeral changes have not been appreciated until now. The purpose of this study was to measure and analyze changes in glenohumeral translation in patients with shoulder dislocation and compare these changes with healthy shoulder. METHODS: We included 20 subjects who had suffered shoulder dislocation for first time, and 3D models of their humerus and scapula were obtained using computed tomography and fluoroscopic images during scapular plane abduction and external rotation of shoulder with elbow flexed at 90° and arm abducted at 90°...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28123260/musculoskeletal-oncogenic-osteomalacia-an-experience-from-a-single-centre-in-south-india
#20
Anil Satyaraddi, Kripa Elizabeth Cherian, Sahana Shetty, Nitin Kapoor, Felix K Jebasingh, Vinoo Mathew Cherian, Julie Hephzibah, Anne Jennifer Prabhu, Nihal Thomas, Thomas V Paul
BACKGROUND: Oncogenic osteomalacia is an acquired form of hypophosphatemic osteomalacia where the tumour resection may lead to cure of the disease. Tumours originating from the musculoskeletal region form an important subgroup of oncogenic osteomalacia. METHODS: This was a retrospective study conducted at a tertiary care centre in south India where we analyzed the hospital records of all the patients with musculoskeletal oncogenic osteomalacia from January 2010-April 2016...
March 2017: Journal of Orthopaedics
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