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Archives of Orthopaedic and Trauma Surgery

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https://www.readbyqxmd.com/read/28429082/the-effect-of-a-combined-thoracic-and-soft-tissue-trauma-on-blood-flow-and-tissue-formation-in-fracture-healing-in-rats
#1
Lutz Claes, Florian Gebhard, Anita Ignatius, Raimund Lechner, Stefan Baumgärtel, Michael Kraus, Gert D Krischak
INTRODUCTION: Previously, it was found that fracture healing is impaired by blunt chest trauma and an additional soft-tissue trauma. The mechanisms leading to this disturbance are largely unknown. Here, we investigated the effect of thoracic and soft-tissue trauma on blood flow of the injured lower leg and on tissue differentiation and callus formation during fracture healing. MATERIALS AND METHODS: Male Wistar rats received either a mid-shaft fracture of the tibia alone (group A), an additional chest trauma (group B), or additional chest and soft-tissue traumas (group C)...
April 20, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28424860/influence-of-tibial-hybrid-fixation-on-graft-tension-and-stability-in-acl-double-bundle-reconstruction
#2
B H Drews, A Seitz, J Huth, G Bauer, A Ignatius, L Dürselen
PURPOSE: Initial graft tension in anterior cruciate ligament (ACL) reconstruction affects stability and tension loss at follow-up. This study investigated the influence of hybrid tibial fixation in 3-tunnel double-bundle ACL reconstruction on initial graft tension and tension change and stability under anterior and combined rotatory loads. METHODS: Eleven fresh-frozen cadaveric knees were reconstructed with an ACL double bundle using a 3-tunnel technique. Grafts were tightened to 80 N in 60° (AM bundle) and 15° (PL bundle) of flexion...
April 19, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28417201/quantification-of-dynamic-posterior-translation-in-modified-bilateral-alexander-views-and-correlation-with-clinical-and-radiological-parameters-in-patients-with-acute-acromioclavicular-joint-instability
#3
Marvin Minkus, Carmen Hann, Markus Scheibel, Natascha Kraus
INTRODUCTION: Classification of AC-joint instability is based on radiologic evaluation of anteroposterior (a.p.) stress views of both shoulders, neglecting the horizontal component of instability. Recent studies have proposed an association of dynamic posterior translation (DPT) and inferior clinical results. The purpose of this study was to quantify DPT in modified Alexander views and correlate it with other radiological and clinical data. MATERIALS AND METHODS: Thirty-two patients (4 f, 28 m, mean age 34...
April 17, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28397004/the-frequency-of-cartilage-lesions-in-non-injured-knees-with-symptomatic-meniscus-tears-results-from-an-arthroscopic-and-nir-near-infrared-spectroscopic-investigation
#4
Gunter Spahn, Holger Plettenberg, Martin Hoffmann, Holm-Torsten Klemm, Christoph Brochhausen-Delius, Gunther O Hofmann
INTRODUCTION: Are symptomatic tear injuries to the menisci of the knee frequently or always associated with cartilage damage to the corresponding articular surfaces and other joint surfaces, respectively? METHODS: A total of 137 patients (medial n = 127; lateral n = 10) underwent a meniscus resection. These patients showed no signs of a clear radiographic arthrosis and no MRI-detectable cartilage lesions > grade II. Traumatic injury was ruled out with a thorough medical history...
April 10, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28391430/why-does-total-elbow-arthroplasty-fail-today-a-systematic-review-of-recent-literature
#5
Ante Prkic, Chantal Welsink, Bertram The, Michel P J van den Bekerom, Denise Eygendaal
BACKGROUND: Total elbow arthroplasty is a relatively uncommon type of arthroplasty, which has undergone several design changes in the past four decades. However, research on improvement requires knowledge of failure mechanisms that can be addressed. Therefore, we conducted a systematic review on modes of failure of total elbow arthroplasty. METHODS: We conducted searches on PubMed/Medline, Embase and Cochrane databases to identify studies describing modes of failure of primary total elbow arthroplasties...
April 9, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28391429/femoral-neck-fracture-osteosynthesis-by-the-biplane-double-supported-screw-fixation-method-bdsf-reduces-the-risk-of-fixation-failure-clinical-outcomes-in-207-patients
#6
Orlin Filipov, Karl Stoffel, Boyko Gueorguiev, Christoph Sommer
INTRODUCTION: Osteosynthesis of femoral neck fractures is related up to 46% rate of complications. The novel method of biplane double-supported screw fixation (BDSF; Filipov's method) offers better stability using three medially diverging cannulated screws with two of them buttressed on the calcar. Biomechanically, the most effective component is the distal screw placed at steeper angle and supported on a large area along the distal and posterior cortex of the femoral neck following its spiral anterior curve...
April 8, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28391428/do-clinical-outcomes-correlate-with-bone-density-after-open-reduction-and-internal-fixation-of-tibial-plateau-fractures
#7
Elizabeth Gausden, Matthew R Garner, Peter D Fabricant, Stephen J Warner, Andre D Shaffer, Dean G Lorich
INTRODUCTION: The operative management of tibial plateau fractures in elderly patients has historically led to inconsistent results, and these clinical outcomes were thought to be associated with poor bone quality often in elderly patients. The goal of this study was to investigate the relationship between bone density and subjective clinical outcome scores after open reduction and internal fixation of tibial plateau fractures. MATERIALS AND METHODS: This is a retrospective cohort study from a single-surgeon conducted at an Academic, Level 1 Trauma Center...
April 8, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28391427/unusual-cause-of-the-thumb-basal-joint-pain-osteoid-osteoma-of-the-trapezium
#8
Ji Hun Park, Tae Wook Kang, Jong Woong Park
The trapezium is rare site of osteoid osteoma development. The diagnostic challenge lies in its rare occurrence, and requires differentiation from various disease entities causing thumb basal joint pain. We report the case of a 29-year-old male who presented with severe thumb basal joint pain. He was initially treated for calcific periarthritis because of concomitant calcifications around the thumb basal joint, but had undiscovered osteoid osteoma. A high index of suspicion to a patient with wrist pain unresponsive to prior treatment is necessary for diagnosis of osteoid osteoma...
April 8, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28378211/intra-articular-versus-intravenous-tranexamic-acid-application-in-total-knee-arthroplasty-a-meta-analysis-of-randomized-controlled-trials
#9
Bobin Mi, Guohui Liu, Wu Zhou, Huijuan Lv, Yi Liu, Kun Zha, Qipeng Wu, Jing Liu
BACKGROUND: The purpose of this meta-analysis was to compare the blood loss and complications of intra-articular (IA) with intravenous (IV) tranexamic acid (TXA) for total knee arthroplasty (TKA). METHODS: A comprehensive search of studies was conducted to identify related articles in Pubmed, Embase, Cochrane central Register of Controlled Trials, springerLink, OVID and the Research published from January 1980 to September 2016. All studies that compared IA TXA with IV TXA application on TKA were included...
April 4, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28378210/three-dimensional-motion-analysis-for-validation-of-shoulder-internal-rotation
#10
Michael W Maier, Sarah Erhard, Mirjam Niklasch, Thomas Bruckner, Sebastian I Wolf, Felix Zeifang, Patric Raiss
BACKGROUND: 10% of the points for the Constant-Murley score (CMS) are allocated for the capacity for internal rotation (IR), measured as unassisted active movement of the dorsum of the hand or the thumb to reach different anatomical landmarks. However, there is little information about the validity of this method and no three-dimensional measurement of the degree of IR that is necessary to reach these landmarks. METHODS: Sixteen volunteers with healthy shoulders were recruited...
April 4, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28374093/radiographic-outcomes-of-single-versus-dual-plate-fixation-of-acute-mid-shaft-clavicle-fractures
#11
Xiaobin Chen, Steven F Shannon, Michael Torchia, Bradley Schoch
INTRODUCTION: The clavicle exhibits considerable movement in three planes making rigid fixation challenging. The addition of a second plate may be considered to improve fixation rigidity, but risks compromising the blood supply to the fracture site. The purpose of this study is to assess if extraperiosteal dual plate fixation increases the rate of non-union, reoperation, and complications at 1 year for surgically treated acute mid-shaft clavicle fractures. METHODS: Between June 1998 and June 2013, surgically treated mid-shaft clavicle fractures undergoing open reduction internal fixation within 4 weeks of injury were retrospectively reviewed...
April 3, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28374092/a-cadaveric-biomechanical-study-comparing-the-ease-of-femoral-nail-insertion-1-0-vs-1-5-m-bow-designs
#12
Huan Yuan, Yves Acklin, Peter Varga, Boyko Gueorguiev, Markus Windolf, Devakar Epari, Michael Schuetz, Beat Schmutz
INTRODUCTION: Anatomic fit of intramedullary nails was suggested by previous studies to improve significantly when the nail radius of curvature (ROC) is closer to the average femoral anatomy. However, no attempt has been made to investigate the impact of different ROC designs on the nail insertion process. Therefore, this biomechanical study quantitatively compared the ease of insertion between femoral intramedullary nails with a 1.0-m and a 1.5-m bow radius. MATERIALS AND METHODS: Long TFN-ADVANCED™ (TFNA, 1...
April 3, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28374091/suprapectoral-biceps-tenodesis-using-a-suture-plate-clinical-results-after-2-years
#13
Christian Schoch, Michael Geyer, Björn Drews
PURPOSE: Several techniques for performing a tenodesis of the long head of biceps (LHB) are described. Only few outcome studies are published. This note describes a unicortical fixation via a suture plate-comparable to a distal biceps refixation-performed arthroscopically or mini-open via standard suprapectoral approach. The aim of this study is to show the clinical outcome after 6, 12, and 24 months. MATERIALS AND METHODS: A consecutive series of 50 (35 male, 15 female) patients at the mean age of 49 years (range 23-75) who underwent tenodesis of the LHB were followed for 2 years...
April 3, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28365801/a-modified-matti-russe-technique-of-grafting-scaphoid-non-unions
#14
Moritz Dustmann, Ralf Bajinski, Alexander Tripp, Joachim Gülke, Nikolaus Wachter
INTRODUCTION: In treatment of scaphoid non-union bone healing requires beside vital tissue and stability, enduring compression and a good interface between the graft and scaphoid fragments. While fixation techniques show a good primary stability, they reduce sintering and thus compression of fragments in the long term. Therefore, a modified technique optimising the cancellous interface between graft and scaphoid but still providing enough stability without fixating implants should be evaluated...
April 1, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28361467/effectiveness-of-decompression-alone-versus-decompression-plus-fusion-for-lumbar-spinal-stenosis-a-systematic-review-and-meta-analysis
#15
Wenli Chang, Peizhi Yuwen, Yanbing Zhu, Ning Wei, Chen Feng, Yingze Zhang, Wei Chen
INTRODUCTION: The debate on efficacy of fusion added to decompression for lumbar spinal stenosis (LSS) is ongoing. No meta-analysis has compared the effectiveness of decompression versus decompression plus fusion in treating patients with LSS. METHODS: A literature search was performed in the Web of Science, PubMed, Embase, and Springer databases from 1970 to 2016. Relevant references were selected and the included studies were manually reviewed. We included trials evaluating decompression surgery compared to decompression plus fusion surgery in treating patients with LSS...
March 30, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28357498/computer-aided-analysis-for-optimal-screw-insertion-in-lateral-mass-of-c1-an-anatomical-study
#16
Renate Krassnig, Jakob Andrea Orlandi, Ellen Tackner, Gloria Hohenberger, Paul Puchwein
INTRODUCTION: Motion preserving techniques in C1 ring fractures are increasingly used especially in young patients. Therefore, lateral mass screws are inserted in the first vertebra and connected by a rod. The purpose of this study was to determine safe zones regarding the vertebral arteries and the medulla oblongata for optimal lateral mass screw positioning when fusing the C1-ring. MATERIALS AND METHODS: Images of the cervical spine of 50 patients (64-line CT scanner) were evaluated and virtual screws were positioned in both lateral masses of the first vertebra using 3D-reconstructions of CT scans...
March 29, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28349206/impingement-of-the-patellar-component-against-the-tibial-post-after-posterior-stabilized-and-constrained-tka-a-pilot-study
#17
Yukihide Minoda, Ryo Sugama, Yoichi Ohta, Hiroaki Nakamura
INTRODUCTION: Patella-post impingement (PPI), contact of the patellar component with the tibial post, occurs during deep knee flexion after posterior stabilized total knee arthroplasty (TKA). PPI can cause anterior knee pain, increased patellar pressure, wear of the polyethylene patellar component and tibial post, and poor range of motion. There have been no reports on the relationship between PPI and tibial post design. The aim of this study was to compare different tibial post designs with regard to PPI incidence...
March 27, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28349205/prevalence-and-clinical-features-of-sports-related-lumbosacral-stress-injuries-in-the-young
#18
Hideto Kaneko, Mototsune Murakami, Kazuya Nishizawa
BACKGROUND: Stress injuries (stress fractures and stress reactions) of the lumbosacral region are one of the causes of sports-related lower back pain in young individuals. These injuries can be detected by bone marrow edema lesion on MRI. However, little is known about the prevalence and clinical features of early stage lumbosacral stress injuries. This study aimed to evaluate the epidemiology of lumbosacral stress injuries. METHODS: A total of 312 patients (under 18 years of age) who complained of sports-related lower back pain that had lasted for ≥7 days underwent magnetic resonance imaging (MRI) scans...
March 27, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28343332/posterior-elements-disruption-with-hybrid-constructs-in-ais-patients-is-there-an-impact-on-proximal-junctional-kyphosis
#19
S Ghailane, Sebastien Pesenti, E Peltier, E Choufani, B Blondel, J L Jouve
PURPOSE: Proximal junctional kyphosis (PJK) is a frequent proximal adjacent segment disease following spinal fusion in adolescent idiopathic scoliosis (AIS) and its rate has been estimated to 28% in the literature. The etiology is multifactorial, and risk factors associated with PJK are controversial. The aim of this study was to demonstrate that the disruption of muscular and bony tissue above the upper instrumented vertebra (UIV) during surgery does not increase the rate of PJK in patients undergoing posterior fusion for adolescent idiopathic scoliosis...
March 25, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28337536/functional-and-patient-reported-outcomes-of-the-swanson-metacarpo-phalangeal-arthroplasty-in-the-rheumatoid-hand
#20
Firas K Elherik, Sean Dolan, John Antrum, Frank Unglaub, Colin R Howie, Steffen J Breusch
INTRODUCTION: Replacement of the metacarpo-phalangeal joints (MCPJ) with silastic Swanson's implants can help decrease pain, stiffness and allow for improved function in rheumatoid arthritis (RA). There is a lack of patient reported outcome measure (PROM) studies assessing the efficacy of this procedure in RA. The aim of this study was to report any change in function, pain, stiffness and satisfaction following the Swanson MCPJ replacement using patient reported outcomes in a rheumatoid population...
March 24, 2017: Archives of Orthopaedic and Trauma Surgery
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