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Orthopedic Reviews

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https://www.readbyqxmd.com/read/28458785/three-dimensional-morphometric-analysis-of-the-coracohumeral-distance-using-magnetic-resonance-imaging
#1
Taku Hatta, Nobuyuki Yamamoto, Hirotaka Sano, Yasushi Omori, Kazuomi Sugamoto, Kenji Suzuki, Eiji Itoi
There have been no studies investigating three-dimensional (3D) alteration of the coracohumeral distance (CHD) associated with shoulder motion. The aim of this study was to investigate the change of 3D-CHD with the arm in flexion/internal rotation and horizontal adduction. Six intact shoulders of four healthy volunteers were obtained for this study. MRI was taken in four arm positions: with the arm in internal rotation at 0°, 45°, and 90° of flexion, and 90° of flexion with maximum horizontal adduction...
February 20, 2017: Orthopedic Reviews
https://www.readbyqxmd.com/read/28458784/evaluating-the-functional-results-and-complications-of-autograft-vs-allograft-use-for-reconstruction-of-the-anterior-cruciate-ligament-a-systematic-review
#2
REVIEW
Ojas Pujji, Nikita Keswani, Naomi Collier, Marion Black, Lucy Doos
The aim of our review is to identify the reconstruction technique that has a superior functional outcome and decreased number of complications for the anterior cruciate ligament (ACL). We have divided our review into 2 sections. Our primary question evaluates the functional results and complications of autografts compared to allografts for ACL reconstruction. Our subsidiary question evaluates the functional results and complications of bone-patellar tendon-bone (BPTB) autografts compared to hamstring tendon autografts...
February 20, 2017: Orthopedic Reviews
https://www.readbyqxmd.com/read/28286625/radiographic-evaluation-of-common-pediatric-elbow-injuries
#3
REVIEW
Steven F DeFroda, Heather Hansen, Joseph A Gil, Ashraf H Hawari, Aristides I Cruz
Normal variations in anatomy in the skeletally immature patient may be mistaken for fracture or injury due to the presence of secondary centers of ossification. Variations in imaging exist from patient to patient based on sex, age, and may even vary from one extremity to the other on the same patient. Despite differences in the appearance of the bony anatomy of the elbow there are certain landmarks and relationships, which can help, distinguish normal from abnormal. We review common radiographic parameters and pitfalls associated in the evaluation of pediatric elbow imaging...
February 20, 2017: Orthopedic Reviews
https://www.readbyqxmd.com/read/28286624/a-biomechanical-comparison-of-4-strand-and-5-strand-anterior-cruciate-ligament-graft-constructs
#4
Matthew L Broadhead, Animesh A Singla, Nicky Bertollo, David Broe, William R Walsh
Hamstring tendon autografts are used for reconstruction of the anterior cruciate ligament. This study tested the hypothesis that a 5-strand hamstring autograft construct is superior in strength to a 4-strand construct. Four-strand and 5-strand tendon grafts constructs were prepared from ovine flexor tendons and then tested in a uniaxial electromechanical load system with suspensory fixation. The 4-strand and 5-strand constructs were pre-conditioned, stress-relaxed and loaded to ultimate failure. Stress-relaxation, stiffness and ultimate load were compared using a one-way ANOVA...
February 20, 2017: Orthopedic Reviews
https://www.readbyqxmd.com/read/28286623/effective-management-of-bone-fractures-with-the-illuminoss%C3%A2-photodynamic-bone-stabilization-system-initial-clinical-experience-from-the-european-union-registry
#5
Thomas Gausepohl, Dietmar Pennig, Steffen Heck, Sascha Gick, Paul A Vegt, Jon E Block
The IlluminOss(®) system (IS) uses a light-curable polymer contained within an inflatable balloon catheter, forming a patient customized intramedullary implant. A registry was established in Germany and The Netherlands to prospectively collect technical and clinical outcomes in patients treated with IS for fractures of the phalange, metacarpal, radius, ulna, distal radius, fibula, clavicle and/or olecranon. Humeral, femoral, tibial and pelvic fractures were included under compassionate use. Procedural success included successful placement of the device at the target fracture site and achievement of fracture stabilization...
February 20, 2017: Orthopedic Reviews
https://www.readbyqxmd.com/read/28286622/the-role-of-reverse-shoulder-arthroplasty-in-management-of-proximal-humerus-fractures-with-fracture-sequelae-a-systematic-review-of-the-literature
#6
REVIEW
James Holton, Tahir Yousri, George Arealis, Ofer Levy
Fracture sequelae of the proximal humerus poses a complex management decision due to the frequent deformity and its consequences on the peri-articular soft tissues. These patients are frequently elderly with significant medical comorbidities. Due to the age of the patient there is frequently rotator cuff deficiency and therefore the reverse shoulder arthroplasty (RSA) becomes the arthroplasty of choice. We have performed a systematic review of the literature and report nine studies presenting RSA for the treatment of fracture sequelae of the proximal humerus...
February 20, 2017: Orthopedic Reviews
https://www.readbyqxmd.com/read/28286621/variability-in-trauma-case-volume-in-orthopedic-surgery-residents
#7
Travis D Blood, Joseph A Gil, Christopher T Born, Alan H Daniels
Orthopedic trauma surgery is a critical component of resident education. Surgical case logs obtained from the Accreditation Council of Graduate Medical Students from 2009 to 2013 for orthopedic surgery residents were examined for variability between the 90(th) and 10(th) percentiles in regards to the volume of cases performed. There was an upward trend in the mean number of cases performed by senior residents from 484.4 in 2009 to 534.5 in 2013, representing a 10.3% increase. There was a statistically significant increase in the number of cases performed for humerus/elbow, forearm/wrist, and pelvis/hip during this period (P<0...
February 20, 2017: Orthopedic Reviews
https://www.readbyqxmd.com/read/28286620/a-case-of-schwannoma-of-the-common-peroneal-nerve-in-the-knee
#8
Tayyar Taylan Öz, Birol Aktaş, Korhan Özkan, Burak Özturan, Bulent Kilic, Murat Demiroğlu
Schwannomas are benign neurogenic tumors of peripheral nerves that originate from neural sheath. The aim of this case report is to bring to mind the schwannoma in the patient with knee pain. A 39-year-old woman presented with a complaint of knee pain of three months history. After surgical intervention, the patient's complaints completely disappeared in the post-operative period. This should come to mind in the differential diagnosis of knee pain.
February 20, 2017: Orthopedic Reviews
https://www.readbyqxmd.com/read/28507661/bone-marrow-aspirate-concentrate-in-combination-with-intravenous-iloprost-increases-bone-healing-in-patients-with-avascular-necrosis-of-the-femoral-head-a-matched-pair-analysis
#9
Hakan Pilge, Bernd Bittersohl, Johannes Schneppendahl, Tobias Hesper, Christoph Zilkens, Martin Ruppert, Rüdiger Krauspe, Marcus Jäger
With disease progression, avascular necrosis (AVN) of the femoral head may lead to a collapse of the articular surface. The exact pathophysiology of AVN remains unclear, although several conditions are known that can result in spontaneous cell death, leading to a reduction of trabecular bone and the development of AVN. Hip AVN treatment is stage-dependent in which two main stages of the disease can be distinguished: pre-collapse (ARCO 0-II) and post-collapse stage (ARCO III-IV, crescent sign). In the pre-collapse phase, core decompression (CD), with or without the addition of bone marrow (e...
November 17, 2016: Orthopedic Reviews
https://www.readbyqxmd.com/read/28503290/use-of-the-suprapatellar-approach-in-intramedullary-nailing-of-a-multi-fragmentary-dislocated-tibia-fracture-with-a-hypermobile-intermediate-fragment-in-a-young-patient
#10
Patrick Haubruck, Ulf Brunnemer, Arash Moghaddam, Gerhard Schmidmaier
A case of an adolescent female patient who suffered from first grade open multi-fragment fracture of the tibia (AO42-C2) with a large hypermobile intermediate fragment is presented in this case report. Intramedullary nailing of the tibia remains the treatment of choice despite a high risk of malformation and anterior knee pain especially in multi-fragment fractures. Here the suprapatellar approach as a semiextended nailing technique seems favorable. The specialty in our case was an early change of procedures necessary due to persistent swelling during external fixation based on the hypermobile intermediate fragment...
November 17, 2016: Orthopedic Reviews
https://www.readbyqxmd.com/read/28503289/the-three-portal-technique-in-arthroscopic-lateral-epicondylitis-release
#11
Ashok Gowda, Gannon Kennedy, Stacey Gallacher, Jennie Garver, Theodore Blaine
Lateral epicondylitis, commonly referred to as tennis elbow, is a syndrome characterized by pain over the origin of the common extensor muscles of the fingers, hand and wrist at the lateral epicondyle. Reports of 70-90% response to conservative treatment at one year have been documented in the literature though refractory cases often require surgical management. Arthroscopic treatment of lateral epicondylitis allows for intra-articular visualization for concomitant pathology and localization of the Extensor Carpi Radialis Brevis tendon...
November 17, 2016: Orthopedic Reviews
https://www.readbyqxmd.com/read/27994826/crossfit-%C3%A2-instructor-demographics-and-practice-trends
#12
Gregory R Waryasz, Vladimir Suric, Alan H Daniels, Joseph A Gil, Craig P Eberson
CrossFit(®) is an increasingly popular exercise modality that uses high intensity power training. The literature to date regarding CrossFit(®) has focused on its benefits to VO2 Max, body composition and the motivational variables of participants of CrossFit(®). A computerized survey was distributed to CrossFit(®) instructors using Survey Monkey(®) (Palo Alto, CA, USA). One hundred and ninety-three CrossFit(®) instructors responded to the survey. Of these 86.6% (155/179) reported being a certified CrossFit(®) instructor with 26...
November 17, 2016: Orthopedic Reviews
https://www.readbyqxmd.com/read/27761223/topical-versus-intravenous-administration-of-tranexamic-acid-in-primary-total-hip-arthroplasty-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#13
Sammy A Hanna, Anoop Prasad, Joshua Lee, Pramod Achan
Tranexamic acid (TA) is widely used by orthopedic surgeons to decrease blood loss and the need for transfusion following total hip arthroplasty (THA). Although both intravenous and topical applications are described in the literature, there remains no consensus regarding the optimal regimen, dosage and method of delivery of TA during THA. In addition, concerns still exist regarding the risk of thromboembolic events with intravenous administration. The purpose of this meta-analysis was to compare the efficacy and safety of topical versus intravenous administration of TA in THA...
September 19, 2016: Orthopedic Reviews
https://www.readbyqxmd.com/read/27761222/comparative-analysis-of-surgical-options-for-medial-collateral-ligament-repair-in-terrible-triad-injury-of-the-elbow
#14
Taku Hatta, Shingo Nobuta, Toshitake Aizawa, Koichi Sasajima, Soichi Nakajima, Masahito Honda, Gosuke Oki, Yoshiaki Yamanaka, Eiji Itoi
The aim of our study is to evaluate the clinical and radiologic outcomes in patients with terrible triad injury, who underwent surgical treatment with or without the medial collateral ligament (MCL) repair. Fourteen patients who underwent surgery with a minimum of 12-month follow-up (mean, 17 months) were reviewed. Based on the systematic treatment protocol, radial head fracture, lateral collateral ligament, and coracoid fracture were treated. Subsequently, torn MCL was repaired in 7 patients, whereas in the remaining 7 patients, the MCL was not treated...
September 19, 2016: Orthopedic Reviews
https://www.readbyqxmd.com/read/27761221/the-basic-science-of-bone-marrow-aspirate-concentrate-in-chondral-injuries
#15
James Holton, Mohamed Imam, Jonathan Ward, Martyn Snow
There has been great interest in bone marrow aspirate concentrate (BMAC) as a cost effective method in delivering mesenchymal stem cells (MSCs) to aid in the repair and regeneration of cartilage defects. Alongside MSCs, BMAC contains a range of growth factors and cytokines to support cell growth following injury. However, there is paucity of information relating to the basic science underlying BMAC and its exact biological role in supporting the growth and regeneration of chondrocytes. The focus of this review is the basic science underlying BMAC in relation to chondral damage and regeneration...
September 19, 2016: Orthopedic Reviews
https://www.readbyqxmd.com/read/27761220/targeted-screening-of-hip-dysplasia-in-newborns-experience-at-a-district-general-hospital-in-scotland
#16
Rahul Tyagi, Marcin R Zgoda, Rachel Short
National Health Service Quality Improvement Scotland (NHS QIS) published a health technology scoping report in 2006 acknowledging that there are serious concerns within Scotland in relation to Developmental Dysplasia of Hip (DDH) as there is no formal screening program in place and there are significant variations between NHS boards leading to confusion for staff and parents. NHS QIS identified need for audit work to improve hip screening in Scotland. The aim of this study is review of current practice of selective screening for DDH...
September 19, 2016: Orthopedic Reviews
https://www.readbyqxmd.com/read/27761219/personal-trainer-demographics-current-practice-trends-and-common-trainee-injuries
#17
Gregory R Waryasz, Alan H Daniels, Joseph A Gil, Vladimir Suric, Craig P Eberson
Increasing emphasis on maintaining a healthy lifestyle has led many individuals to seek advice on exercise from personal trainers. There are few studies to date that evaluate personal trainer education, practice trends, and injuries they have seen while training clients. A survey was distributed to personal trainers using Survey Monkey® (Palo Alto, CA, USA) with 605 personal trainers accessing the survey. An exercise related bachelor's degree was held by 64.2% of survey participants and a certification in personal training by 89...
September 19, 2016: Orthopedic Reviews
https://www.readbyqxmd.com/read/27761218/bilateral-scapulothoracic-osteochondromas-in-a-patient-with-hereditary-multiple-exostosis-a-case-report-and-review-of-the-literature
#18
Markus Rupp, Jendrik Hardes, Michael J Raschke, Adrian Skwara
Hereditary multiple exostosis (HME) is an autosomal dominant disorder characterized by two or more benign growing, cartilage capped tumors of long bones called osteochondromas. If abnormal growth and clinical symptoms of osteochondromas newly appear in adults, malignant transformation of the usually benign growing tumors should be suspected and diagnostic testing should be initiated. Against the background of hypothesized higher malignant transformation of osteochondromas into chondrosarcoma in individuals with shoulder exostoses, we report a case of bilateral scapulothoracic osteochondromas in a patient suffering from HME...
September 19, 2016: Orthopedic Reviews
https://www.readbyqxmd.com/read/27433303/biomechanical-properties-of-a-novel-biodegradable-magnesium-based-interference-screw
#19
Marco Ezechieli, Hanna Meyer, Arne Lucas, Patrick Helmecke, Christoph Becher, Tilman Calliess, Henning Windhagen, Max Ettinger
Magnesium-based interference screws may be an alternative in anterior/posterior cruciate ligament reconstruction. The well-known osteoconductive effects of biodegradable magnesium alloys may be useful. It was the purpose of this study to evaluate the biomechanical properties of a magnesium based interference screw and compare it to a standard implant. A MgYREZr-alloy interference screw and a standard implant (Milagro®; De Puy Mitek, Raynham, MA, USA) were used for graft fixation. Specimens were placed into a tensile loading fixation of a servohydraulic testing machine...
June 27, 2016: Orthopedic Reviews
https://www.readbyqxmd.com/read/27433302/hip-arthroplasty-in-obese-patients-rising-prevalence-standard-procedures
#20
Michael Skutek, Nils Wirries, Gabriela von Lewinski
We examined our experience and, in particular, complications associated with total hip arthroplasty in obese and morbidly obese patients. We prospectively gathered 50 patients in a matched control series including 25 obese and morbidly obese patients. All patients were operated using the direct lateral approach and standard postoperative protocols. Operating room time, complications, dislocations, blood loss, cup position and clinical parameters using the Harris Hip Score and the Western Ontario and McMaster Universities Arthritis Index results were compared...
June 27, 2016: Orthopedic Reviews
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