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Orthopaedics & Traumatology, Surgery & Research: OTSR

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https://www.readbyqxmd.com/read/29292125/selecting-the-lowest-instrumented-vertebra-in-adolescent-idiopathic-scoliosis-comparison-of-the-lenke-suk-and-dubousset-criteria
#1
M Rizkallah, A Sebaaly, K Kharrat, G Kreichati
BACKGROUND: Selection of the lowest instrumented vertebra (LIV) in patients undergoing selective fusion for Lenke type 1 or 2 adolescent idiopathic scoliosis (AIS) varies widely across centres around the world. HYPOTHESIS: Lenke, Suk, and Dubousset criteria show moderate agreement for LIV selection. METHODS: 68 patients with Lenke type 1 or 2 AIS managed by selective posterior fusion and followed-up for at least 2 years were included in a retrospective observational study...
December 29, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29292124/normative-spino-pelvic-sagittal-alignment-of-lebanese-asymptomatic-adults-comparisons-with-different-ethnicities
#2
Z Bakouny, A Assi, F Yared, A J Bizdikian, J Otayek, R Nacouzi, V Lafage, R Lafage, I Ghanem, G Kreichati
BACKGROUND: Normative values of sagittal alignment are used as references for the diagnosis and treatment of spinal pathologies. There are currently no reference values for the normative sagittal alignment of Lebanese subjects. The objective is to describe normative values of full body sagittal alignment parameters in asymptomatic Lebanese adults and to compare the sagittal alignment of this population to that of populations of various origins. METHODS: Included subjects were aged 18 to 28 years old...
December 29, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29292123/ten-year-survival-and-complications-of-total-knee-arthroplasty-for-osteoarthritis-secondary-to-trauma-or-surgery-a-french-multicentre-study-of-263-patients
#3
S Putman, J-N Argenson, P Bonnevialle, M Ehlinger, P Vie, S Leclercq, P Bizot, S Lustig, S Parratte, N Ramdane, M Colmar
BACKGROUND: Previous surgical procedures raise technical challenges in performing total knee arthroplasty (TKA) and may affect TKA outcomes. Survival rates of TKA done after trauma or surgery to the knee have not been accurately determined in large populations. The objectives of this retrospective study in 263 patients with TKA after knee trauma or surgery and a follow-up of 10 years were to assess survival, functional outcomes, and the nature and frequency of complications. HYPOTHESIS: Knee trauma or surgery before TKA increases the risk of complications and decreases implant survival...
December 29, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29292122/the-relationship-between-the-glenoid-track-and-the-range-of-shoulder-motion-a-cadaver-study
#4
N Yamamoto, J Kawakami, H Nagamoto, Y Shiota, E Itoi
INTRODUCTION: The concept of the glenoid track has been proposed to evaluate the risk of dislocation. The glenoid track width was demonstrated to be 84% of the glenoid width in cadaveric shoulders and 83% in live shoulders. HYPOTHESIS: The glenoid track width seems to be affected by the range of motion. PUROSE: The purpose of this study was to determine the relationship between the glenoid track and the range of shoulder motion. METHODS: Ten fresh-frozen cadaveric shoulders were used...
December 29, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29292121/incidence-and-impact-of-implant-subsidence-after-stand-alone-lateral-lumbar-interbody-fusion
#5
N Bocahut, E Audureau, A Poignard, J Delambre, S Queinnec, C-H Flouzat Lachaniette, J Allain
BACKGROUND: Few data are available on the occurrence after stand-alone lateral lumbar interbody fusion (LLIF) of implant subsidence, whose definition and incidence vary across studies. The primary objective of this work was to determine the incidence of subsidence 1 year post-operatively, using an original measurement method, whose validity was first assessed. The secondary objective was to assess the clinical impact of subsidence. HYPOTHESIS: Implant subsidence after stand-alone LLIF is a common complication that can adversely affect clinical outcomes...
December 29, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29292120/complications-and-revision-surgeries-in-two-extra-articular-tenodesis-techniques-associated-to-anterior-cruciate-ligament-reconstruction-a-case-control-study
#6
C Batailler, S Lustig, O Reynaud, P Neyret, E Servien
INTRODUCTION: Numerous techniques of anterior cruciate ligament (ACL) reconstruction associated to extra-articular tenodesis (EAT) have been described, but there have been few comparative studies, especially in terms of complications and revision procedures. The present study sought to compare two ACL reconstruction techniques using the patellar tendon (KJ): associating EAT by fascia lata (KJL2) or by gracilis (KJG). The study hypothesis was that the KJL2 technique incurs no extra risk of complications or surgical revision compared to the KJG technique...
December 29, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29277516/course-of-dislocated-posterior-hip-arthroplasty-a-continuous-232-patient-series-at-a-mean-10-years-follow-up-range-1-22-years
#7
P Martinot, A Blairon, S Putman, G Pasquier, J Girard, H Migaud
BACKGROUND: Dislocation rates in posterior total hip arthroplasty (THA) range between 2% and 5%, but long-term course (recurrence of dislocation or revision surgery) is not known, most series having short follow-up or small populations. We therefore conducted a retrospective study on a large series, to determine long-term rates of recurrence and surgical revision and recurrence risk factors. HYPOTHESIS: Long-term follow-up of a large cohort of THA dislocations enables recurrence rate and factors to be determined...
December 22, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29277515/complications-with-cement-spacers-in-2-stage-treatment-of-periprosthetic-joint-infection-on-total-hip-replacement
#8
R Erivan, T Lecointe, G Villatte, A Mulliez, S Descamps, S Boisgard
INTRODUCTION: The aim of the present study was to assess our management of infected total hip replacement in indications for 2-stage surgical treatment according to current guidelines when a cement spacer has been used. The study hypothesis was that the complications rate related to cement spacers is low. MATERIAL AND METHOD: A single-center retrospective study included 26 patients receiving a spacer between the two stages of total hip replacement, over a 5 year period...
December 22, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29277514/hip-resurfacing-before-50-years-of-age-a-prospective-study-of-979-hips-with-a-mean-follow-up-of-5-1-years
#9
J Girard, A Lons, N Ramdane, S Putman
BACKGROUND: Hip resurfacing arthroplasty (HRA) is an alternative to total hip arthroplasty (THA) for the treatment of hip osteoarthritis in patients younger than 50 years. Data on revision rates after HRA are conflicting. The National Institute for Health and Care Excellence (NICE) recommends performing only those hip arthroplasty procedures associated with 10-year revision rates no greater than 5% (0.5% per year). Follow-up studies can rapidly determine whether this criterion is met...
December 22, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29274863/total-knee-arthroplasty-with-the-medial-pivot-knee-system-clinical-and-radiological-outcomes-at-9-5-years-mean-follow-up
#10
M Dehl, Y Bulaïd, M Chelli, B Ramy, A Gabrion, E Havet, P Mertl
INTRODUCTION: The "ball-in-socket" design of the Medial-Pivot Knee System (MicroPort Orthopedics, Arlington, Tennessee, USA) aims to reproduce normal knee kinematics by medializing its rotational axis. The goal of this study was to measure knee range of motion (ROM) with this implant after a mean follow-up of 10 years and to report the survivorship and long-term clinical and radiological outcomes. We hypothesized the prosthetic knee would have at least 120 flexion at 10 years. MATERIAL AND METHODS: This was retrospective, single-centre study of 74 Medial-Pivot knees implanted in 71 patients (average age of 69 years) between May 2005 and November 2007...
December 21, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29274862/percutaneous-minimally-invasive-repair-of-acromioclavicular-joint-dislocation-using-cannulated-screws-under-ultrasonic-vs-c-arm-navigation-a-prospective-trial
#11
X Shui, S Chen, G Huang, J Kong, C Zhou, W Lin
INTRODUCTION: To compare percutaneous minimally invasive repair (PMIR) of acute acromioclavicular (AC) joint dislocation under ultrasound guidance (PMIR-UN) vs. C-arm navigation (PMIR-CN). HYPOTHESIS: PMIR-UN has similar functional and radiographic outcomes as PMIR-CN. MATERIALS AND METHODS: We treated 48 patients with acute grade III or V AC joint dislocation with surgical reduction and fixation with Kirschner wires and cannulated screws...
December 21, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29274861/hybrid-total-hip-arthroplasty-for-multiple-epiphyseal-dysplasia
#12
J Vanlommel, L Vanlommel, B Molenaers, J P Simon
BACKGROUND: Multiple Ephiphyseal Dysplasia (MED) is a rare autosomal dominant skeletal dysplasia that causes deformation of the epiphysis of the involved joints. The hips are invariably affected and symptoms due to incapacitating early onset degenerative hip disease often begin between the second and fourth decade of life. Literature regarding the clinical and radiographical outcomes after total hip arthroplasty in this young population are very scarce. HYPOTHESIS: In patients with multiple epiphyseal dysplasia and early onset degenerative hip disease, hybrid total hip arthroplasty is a safe and reliable procedure...
December 21, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29274860/primary-pyomyositis-in-children
#13
M M Elzohairy
BACKGROUND: Pyomyositis PM is defined as a primary pyogenic infection of the striated skeletal muscle; although it has many dystrophic musculoskeletal complications, it is always misdiagnosed by many orthopedic surgeons. HYPOTHESIS: PM is rare in temperate climates and usually considered to be a tropical disease, until recent times, after globalization, it is possible to occur in the subtropical climate as in our country. MATERIAL AND METHODS: In the present series, the results of 15 children patients with primary pyomyositis have been reviewed...
December 21, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29274859/variable-tibiofemoral-articular-contact-stress-in-fixed-bearing-total-knee-arthroplasties
#14
K Murakami, S Hamai, T Moro-Oka, K Okazaki, H Higaki, T Shimoto, S Ikebe, Y Nakashima
BACKGROUND: Rotational allowance at the tibiofemoral joint would be required during deep flexion. However, the amount of flexion and rotation has not been investigated in modern total knee arthroplasty (TKA) designs. The present study aimed to determine the contact stress in five posterior-stabilized fixed-bearing TKA designs. HYPOTHESIS: We hypothesized that the contact area and stresses at the tibiofemoral articular surfaces vary according to the type of implant design and tested condition...
December 21, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29274397/litigation-in-orthopaedic-surgery-new-ethical-challenges
#15
EDITORIAL
H Coudane, J-L Danan, J Lighezollo Alnot
No abstract text is available yet for this article.
December 20, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29258962/results-of-non-operative-treatment-of-olecranon-fracture-in-over-75-year-olds
#16
V Marot, X Bayle-Iniguez, E Cavaignac, N Bonnevialle, P Mansat, J Murgier
INTRODUCTION: Surgery is the gold-standard treatment of displaced olecranon fracture, but is associated with numerous complications, especially in the elderly. Functional results of non-operative treatment in this population have never been analyzed in a prospective study. STUDY HYPOTHESIS: Non-operative treatment of isolated olecranon fracture with stable elbow-joint in over-75 year-olds gives functional results comparable to those of surgery as reported in the literature, with fewer complications...
December 16, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29258961/comments-on-is-amputation-a-viable-treatment-option-in-lower-extremity-trauma-of-m-barla-b-gavanier-m-mangin-j-parot-c-bauer-d-mainard-published-in-orthop-traumatol-surg-res-2017-103-6-971-975
#17
LETTER
D Ollat, O Barbier
No abstract text is available yet for this article.
December 16, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29258960/corticocancellous-bone-graft-vs-cancellous-bone-graft-for-the-management-of-unstable-scaphoid-nonunion
#18
J K Kim, J O Yoon, H Baek
INTRODUCTION: This study was undertaken to determine whether corticocancellous bone grafting and cancellous bone grafting differ in terms of bone union rate, restoration of scaphoid anatomy, and wrist function when unstable scaphoid nonunions are concomitantly treated by screw fixation. MATERIALS AND METHODS: This is retrospective cohort study. In Group A (17 patients), unstable scaphoid nonunion was treated with corticocancellous graft harvested from the iliac crest and headless compression screw using volar approach...
December 16, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29258959/reply-to-the-letter-by-d-ollat-and-o-barbier
#19
LETTER
M Barla, D Mainard
No abstract text is available yet for this article.
December 16, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29253617/scaphoid-screw-fixation-perpendicular-to-the-fracture-plane-comparing-volar-and-dorsal-approaches
#20
P W L Ten Berg, J G G Dobbe, M E Brinkhorst, G Meermans, S D Strackee, F Verstreken, G J Streekstra
INTRODUCTION: To percutaneously fixate a midwaist scaphoid fracture, both volar and dorsal approaches are considered valid options although they may have different screw insertion angles relative to the scaphoid fracture plane influencing fixation stability. In this virtual simulation study, we investigated the accessibility of placing a screw perpendicular to the fracture plane in transverse and horizontal oblique scaphoid midwaist fracture models and compared standard volar and dorsal approaches...
December 15, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
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