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Journal of Orthopaedics

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https://www.readbyqxmd.com/read/27899848/a-radiographic-analysis-of-cage-positioning-in-lateral-transpsoas-lumbar-interbody-fusion
#1
Timothy L T Siu, Elmira Najafi, Kainu Lin
Direct Lumbar Interbody Fusion (DLIF) and eXtreme Lateral Interbody Fusion (XLIF) are the most common surgical platforms available for performing transpsoas spinal fusion but no study has been carried out to compare them. We evaluated 21 DLIF and 22 XLIF cage positions by measuring the distance between the posterior vertebral border and the centre of the cage normalised to the midsagittal length of the inferior end plate. We found that DLIF cages were significantly more anteriorly located than XLIF (0.65 vs 0...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27872519/the-inflatable-intramedullary-nail-for-humeral-shaft-fractures
#2
Fırat Ozan, Kaan Gürbüz, Erdal Uzun, Sefa Gök, Fatih Doğar, Fuat Duygulu
BACKGROUND: We assessed the results of humeral shaft fracture fixation using the inflatable intramedullary nail using radiological and clinical findings. METHODS: From 2012 to 2015, we treated 14 patients with humeral shaft fractures using inflatable intramedullary nail after closed reduction. RESULTS: The mean follow-up time was 14.1 months. The mean time to bone union was 4.5 months. None of the patients had major perioperative mechanical complications or postoperative complications, except for the occurrence of fixation loss and non-union in one patient...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27872518/spinal-fusion-surgery-a-historical-perspective
#3
REVIEW
Sandip P Tarpada, Matthew T Morris, Denver A Burton
The vast majority of technological advances in spinal fusion surgery have occurred within the past 50 years. Despite this, there existed a rich history of innovation, ingenuity, and resourcefulness among the spine surgeons of centuries before. Here, we pay tribute to this history, highlighting the important characters, their devices, and their thoughts, as they sought to alleviate human suffering from spinal deformity.
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27843223/treatment-of-atrophic-femoral-non-unions-according-to-the-diamond-concept-results-of-one-and-two-step-surgical-procedure
#4
Arash Moghaddam, Benjamin Thaler, Thomas Bruckner, Michael Tanner, Gerhard Schmidmaier
BACKGROUND: The treatment of non-unions in long bones poses a great challenge, particularly in cases of infection or large osseous defects. This article evaluates the use of the diamond concept in the treatment of femoral non-unions in a one-step or two-step procedure according to the Masquelet technique. PATIENTS AND METHODS: Between February 2010 and March 2014, 88 patients with atrophic femoral non-unions were included in our study. The treatment was performed in one step (Group G1) on 41 patients and in two-step Masquelet technique (Group G2) on 47 patients, according to the diamond concept...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27833359/experimental-strain-analysis-on-the-entire-bony-leg-compared-with-fe-analysis
#5
V Filardi, D Milardi
The present study addresses the question of evaluating, by combining both experimental and numerical approaches, the stress/strain distribution within a complete model of the entire lower bony chain. With this purpose an experimental model and a complete 3D finite element one were realised. A load of 700 N has been applied at the top of pelvis and the feet were rigidly fixed. Obtained results reveal interesting consequences deriving by taking into account the complete bony chain; it is possible to get information on load sharing between bones, location of high strain concentrations, and bone relative motion...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27833358/anatomic-considerations-when-performing-the-modified-henry-approach-for-exposure-of-distal-radius-fractures
#6
Megan A Conti Mica, Randy Bindra, Steven L Moran
BACKGROUND: Identify the proximity of anatomic structures during the modified Henry approach (MHA). METHODS: Distances between median nerve (MN), palmar cutaneous branch (PCB), radial artery (RA) and the flexor carpi radialis (FCR) were measured at the wrist crease (WC), 5 and 10 cm proximal in 16 fresh frozen cadavers. The FPL origin and innervation was measured. RESULTS: Most at risk was the MN proximally and the PCB distally while the RA was safe...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27829734/601-metal-on-metal-total-hip-replacements-with-36%C3%A2-mm-heads-a-5-minimum-year-follow-up-levels-of-armd-remain-low-despite-a-comprehensive-screening-program
#7
Amit Atrey, Alister Hart, Nasir Hussain, Jonathon Waite, Andrew J Shepherd, Steve Young
BACKGROUND: We conducted a retrospective study to assess the clinical outcome, failure rate, and reason for failure of a large consecutive series of 36 mm MoM Corail/Pinnacle total hip replacements (THRs). METHODS: Between 2006 and 2011, 601 consecutive 36 mm MoM THRs were performed (585 patients). Patients were followed according to the UK Medicines and Healthcare Products Regulatory Agency (MHRA) guidelines. All patients were accounted for and 469 patients (78%) were clinically and radiographically assessed...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27829733/new-approach-for-predictive-measurement-of-knee-cartilage-defects-with-three-dimensional-printing-based-on-ct-arthrography-a-feasibility-study
#8
R Michalik, S Schrading, T Dirrichs, A Prescher, C K Kuhl, M Tingart, B Rath
PURPOSE: The aim was to prove the possibility of creating an exact module of knee cartilage defects using 3D printing. METHODS: Defects were created in cadaver knees. CT-arthrography and 3-Tesla MRI were performed. Based on CTA images a model of the cartilage was created using 3D printing. Defect-sizes in the imaging modalities were compared. RESULTS: Estimated lesion area in 3D model differed approximately 5% comparing to the defect sizes in knees...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27829732/long-term-results-of-bone-patella-tendon-bone-acl-reconstruction
#9
Max Ettinger, Friedel Etter, Tilman Calliess, Michael Bohnsack, Christoph Becher
BACKGROUND: To assess outcomes of bone-patella-tendon-bone ACL-reconstruction at 18 years follow-up. MATERIAL AND METHODS: Outcome measures included the IKDC clinical examination form and clinical scores. Radiographs were analyzed to determine the grade of osteoarthritis. RESULTS: 69% of the examined patients (n = 54) had a normal/nearly normal knee, 14% were abnormal and 17% severely abnormal with significant improvement (P ≤ 0.001)...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27829731/dynamic-thermal-acoustic-response-for-human-bone-materials-at-different-energy-levels-a-diagnosis-approach
#10
Ashok Kumar Thella, James Rizkalla, Neeraj Rathi, Monika Kakani, Ahdy Helmy, Paul Salama, Maher E Rizkalla
BACKGROUND: The non-invasive diagnostic approaches have gained high attention in recent years, utilizing high technology sensor systems, including infrared, microwave devices, acoustic transducers, etc. The patient safety, high resolution images, and reliability are among the driving forces toward high technology approaches. The thermal and acoustic responses of the materials may reflect the important research parameters such as penetration depth, power consumption, and temperature change used for the practical models of the system...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27829730/are-we-all-guilty-of-under-estimating-intra-operative-blood-loss-during-hip-fracture-surgery
#11
Basil Budair, Usman Ahmed, James Hodson, Michael David, Mujeeb Ashraf, Tim McBride
AIM: To assess how accurately orthopaedic surgeons and anaesthesiologists estimate intraoperative blood loss during hip fracture surgery as part of the Surgical Safety Checklist (SCC). METHODS: A prospective study of 55 operations over 9 months. Pre- and post-operative estimations of blood loss were documented. Actual blood loss was determined by subtracting total amount of lavage fluid used from overall volumes in the suction bag and by weighing used swabs. RESULTS: Both, surgeons and anaesthesiologists, significantly underestimated intraoperative blood loss (p < 0...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27829729/bilateral-tka-for-charcot-arthropathy-associated-with-multiple-levels-of-spinal-canal-stenoses-a-case-report-and-review-of-literature
#12
Seiju Hayashi, Tomonari Okada, Keiji Horita
We report a case of an 84-year-old male with multiple levels of canal stenoses who are diagnosed as Charcot arthropathy of bilateral knees. Although he did not feel any pain, recurrence of joint fluid collection and severe instability prevented him from standing and walking. Deficit in superficial sensation and bathyesthesia below the level of Th10, and tendon reflexes of extremities were seen. Romberg test was positive. Laboratory data showed no abnormal findings. We performed bilateral TKA based on the diagnosis of Charcot arthropathy...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27829728/mr-arthrography-evaluation-in-patients-with-traumatic-anterior-shoulder-instability
#13
Luca Saba, Massimo De Filippo
INTRODUCTION: To evaluate retrospectively the diagnostic accuracy of MR arthrography, compared with arthroscopy, in research of the glenoid labrum tear in patients with a first episode of traumatic anterior shoulder instability (TUBS). MATERIAL AND METHODS: We retrospectively reviewed the MR arthrography shoulder images of 118 patients with a first episode of TUBS, between June 2014 and May 2016. RESULTS: The overall accuracy of MR arthrography compared with arthroscopy of the glenoid labrum lesions was 94%, sensitivity 93%, and specificity 96%...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27829727/windswept-deformities-an-indication-to-individualise-valgus-correction-angle-during-total-knee-arthroplasty
#14
Gautam M Shetty, Arun Mullaji, Ahmed Adel Khalifa, Abhik Ray
PURPOSE: We aimed to determine variation in femoral valgus correction angle (VCA) between the two limbs in a patient with windswept deformity undergoing total knee arthroplasty (TKA). METHODS: Femoral VCA was measured on full-length, hip-to-ankle, standing radiographs and was compared between the varus and the valgus limbs in 66 patients with windswept deformities. RESULTS: The mean VCA in varus knees was significantly higher compared to mean VCA in valgus knees (p = 0...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27829726/platelet-rich-plasma-therapies-building-the-path-to-evidence
#15
Eduardo Anitua, Roberto Prado, Gorka Orive
No abstract text is available yet for this article.
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27822004/the-morphometric-anatomy-of-the-delto-fulcral-triangle-a-3d-ct-based-reconstruction-study
#16
N Naidoo, L Lazarus, K S Satyapal, L De Wilde, A Van Tongel
This study introduced the new delto-fulcral triangle (DFT), the first anatomical model of its kind. As seen from the orthopaedician's supraspinatus-outlet view, the antero-superior point of the coracoid process along with the lateral- and posterior-most acromial landmarks form the boundaries of the DFT. Since these osseous scapular landmarks accounted for both dynamic and static stabilisers of the glenohumeral joint, knowledge of the anatomical features of the DFT may prove beneficial to the orthopaedic surgeon...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27822003/the-plane-of-the-distal-femur-anterior-cortex-is-a-useful-index-for-femoral-component-rotation-in-total-knee-arthroplasty
#17
Baoxi Yu, Ming Fu, Zhiqi Zhang, Peihui Wu, Zhiyu Huang, Hong Sun
OBJECTIVE: To investigate the reference role of the plane of the distal femur anterior cortex in determining the lateral rotation angle of femoral component in total knee arthroplasty (TKA). METHODS: Computed tomography (CT) scan was performed for full length of both lower limbs in 27 patients, and a total of 53 legs were examined by radiological department of the First Affiliated Hospital of Sun Yat-sen University. Case inclusion criteria were as follows: no obvious congenital bone deformity on the lower limbs, no knee purulent infection, and no severe knee deformity after surgery...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27822002/limited-benefits-of-the-direct-anterior-approach-in-primary-hip-arthroplasty-a-prospective-single-centre-cohort-study
#18
Jetse Jelsma, Rik Pijnenburg, Harm W Boons, Peter J M G Eggen, Lucas L A Kleijn, Herman Lacroix, Hub J Noten
BACKGROUND: Since years a discussion is held on the best approach to perform total hip replacement (THR). Risk of dislocation, abductor weakness and a possible difference in rehabilitation are mentioned. We performed this study to objectify that the use of the direct anterior approach (DAA) results in a faster rehabilitation after THR compared to the non-DAA (posterolateral and anterolateral) approach. METHODS: A single centre prospective cohort study was conducted...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27822001/osteomyelitis-recent-advances-in-pathophysiology-and-therapeutic-strategies
#19
REVIEW
Mitchell C Birt, David W Anderson, E Bruce Toby, Jinxi Wang
This review article summarizes the recent advances in pathogenic mechanisms and novel therapeutic strategies for osteomyelitis, covering both periprosthetic joint infections and fracture-associated bone infections. A better understanding of the pathophysiology including the mechanisms for biofilm formation has led to new therapeutic strategies for this devastating disease. Research on novel local delivery materials with appropriate mechanical properties, lower exothermicity, controlled release of antibiotics, and absorbable scaffolding for bone regeneration is progressing rapidly...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27822000/attitude-of-hand-surgeons-toward-affordable-care-act-a-survey-of-members-of-american-society-for-surgery-of-the-hand
#20
Valeriy Shubinets, Patrick A Gerety, Christopher J Pannucci, Paris D Butler, Michael N Mirzabeigi, Benjamin Chang, L Scott Levin, Ines C Lin
The purpose of this study was to examine current attitude of hand surgeons toward the Affordable Care Act (ACA). An electronic survey was sent to members of American Society for Surgery of the Hand (ASSH) to examine their attitude toward the Affordable Care Act. 974 ASSH members responded to the survey (33% response rate). The majority of respondents were male (89%), trained in orthopedic surgery (81%), and in private practice (75%). 41% of respondents rated their knowledge of the ACA as average. Respondents disagreed that the ACA would improve healthcare in the United States (median 2, mean 2...
March 2017: Journal of Orthopaedics
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