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World Journal of Orthopedics

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https://www.readbyqxmd.com/read/28473965/total-hip-arthroplasty-in-patients-with-paget-s-disease-of-bone-a-systematic-review
#1
Sammy A Hanna, Sebastian Dawson-Bowling, Steven Millington, Rej Bhumbra, Pramod Achan
AIM: To investigate the clinical and functional outcomes following total hip arthroplasty (THA) in patients with Paget's disease. METHODS: We carried out a systematic review of the literature to determine the functional outcome, complications and revision rates of THA in patients with Paget's disease. Eight studies involving 358 hips were reviewed. The mean age was 70.4 years and follow-up was 8.3 years. There were 247 cemented THAs (69%), 105 uncemented THAs (29%) and 6 hybrid THAs (2%)...
April 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28473964/t1%C3%AF-t2-mapping-and-histopathology-of-degenerative-cartilage-in-advanced-knee-osteoarthritis
#2
Benjamin S Kester, Philip M Carpenter, Hon J Yu, Taiki Nozaki, Yasuhito Kaneko, Hiroshi Yoshioka, Ran Schwarzkopf
AIM: To investigate whether normal thickness cartilage in osteoarthritic knees demonstrate depletion of proteoglycan or collagen content compared to healthy knees. METHODS: Magnetic resonance (MR) images were acquired from 5 subjects scheduled for total knee arthroplasty (TKA) (mean age 70 years) and 20 young healthy control subjects without knee pain (mean age 28.9 years). MR images of T1ρ mapping, T2 mapping, and fat suppressed proton-density weighted sequences were obtained...
April 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28473963/rank-ligand-and-osteoprotegerin-as-biomarkers-in-the-differentiation-between-periprosthetic-joint-infection-and-aseptic-prosthesis-loosening
#3
Max J Friedrich, Matthias D Wimmer, Jan Schmolders, Andreas C Strauss, Milena M Ploeger, Hendrik Kohlhof, Dieter C Wirtz, Sascha Gravius, Thomas M Randau
AIM: To assess serum levels of RANK-ligand (RANKL) and osteoprotegerin (OPG) as biomarkers for periprosthetic joint infection (PJI) and compare their accuracy with standard tests. METHODS: One hundred and twenty patients presenting with a painful total knee or hip arthroplasty with indication for surgical revision were included in this prospective clinical trial. Based on standard diagnostics (joint aspirate, microbiological, and histological samples) and Musculoskeletal Infection Society consensus classification, patients were categorized into PJI, aseptic loosening, and control groups...
April 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28473962/associations-among-pain-catastrophizing-muscle-strength-and-physical-performance-after-total-knee-and-hip-arthroplasty
#4
Kazuhiro Hayashi, Masato Kako, Kentaro Suzuki, Keiko Hattori, Saori Fukuyasu, Koji Sato, Izumi Kadono, Tadahiro Sakai, Yukiharu Hasegawa, Yoshihiro Nishida
AIM: To investigate whether reductions in pain catastrophizing associated with physical performance in the early period after total knee arthroplasty (TKA) or total hip arthroplasty (THA). METHODS: The study group of 46 participants underwent TKA or THA. The participants were evaluated within 7 d before the operation and at 14 d afterwards. Physical performance was measured by the Timed Up and Go (TUG) test, and 10-m gait time was measured at comfortable and maximum speeds...
April 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28473961/variability-in-conflict-of-interest-disclosures-by-physicians-presenting-trauma-research
#5
Kevin Wong, Paul H Yi, Rohith Mohan, Kevin J Choo
AIM: To quantify the variability of financial disclosures by authors presenting orthopaedic trauma research. METHODS: Self-reported authorship disclosure information published for the 2012 American Academy of Orthopaedic Surgeons (AAOS) and Orthopaedic Trauma Association (OTA) meetings was compiled from meeting programs. Both the AAOS and OTA required global disclosures for participants. Data collected included: (1) total number of presenters; (2) number of presenters with financial disclosures; (3) number of disclosures per author; (4) total number of companies supporting each author; and (5) specific type of disclosure...
April 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28473960/abnormal-ground-reaction-forces-lead-to-a-general-decline-in-gait-speed-in-knee-osteoarthritis-patients
#6
Anatole Vilhelm Wiik, Adeel Aqil, Mads Brevadt, Gareth Jones, Justin Cobb
AIM: To analyse ground reaction forces at higher speeds using another method to be more sensitive in assessing significant gait abnormalities. METHODS: A total of 44 subjects, consisting of 24 knee osteoarthritis (OA) patients and 20 healthy controls were analysed. The knee OA patients were recruited from an orthopaedic clinic that were awaiting knee replacement. All subjects had their gait patterns during stance phase at top walking speed assessed on a validated treadmill instrumented with tandem force plates...
April 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28473959/effect-of-a-specialized-injury-prevention-program-on-static-balance-dynamic-balance-and-kicking-accuracy-of-young-soccer-players
#7
Ayelet Dunsky, Ido Barzilay, Orly Fox
AIM: To study the effect of balance intervention program using the "FIFA 11+" program on static and dynamic balance and kicking accuracy of young soccer players. METHODS: Twenty young soccer players were allocated to experimental (n = 10) or control (n = 10) groups. The experimental group performed the "FIFA 11+" program three times a week for six weeks. The control group performed their normal warm-up routine. The primary outcomes were measured pre and post intervention, and assessed kicking accuracy, static balance and dynamic balance...
April 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28473958/posterior-interosseous-nerve-localization-within-the-proximal-forearm-a-patient-normalized-parameter
#8
Srinath Kamineni, Crystal R Norgren, Evan M Davidson, Ellora P Kamineni, Andrew S Deane
AIM: To provide a "patient-normalized" parameter in the proximal forearm. METHODS: Sixty-three cadaveric upper extremities from thirty-five cadavers were studied. A muscle splitting approach was utilized to locate the posterior interosseous nerve (PIN) at the point where it emerges from beneath the supinator. The supinator was carefully incised to expose the midpoint length of the nerve as it passes into the forearm while preserving the associated fascial connections, thereby preserving the relationship of the nerve with the muscle...
April 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28473957/syndesmotic-internalbrace-tm-for-anatomic-distal-tibiofibular-ligament-augmentation
#9
Markus Regauer, Gordon Mackay, Mirjam Lange, Christian Kammerlander, Wolfgang Böcker
Reconstruction of unstable syndesmotic injuries is not trivial, and there is no generally accepted treatment guidelines. Thus, there still remain considerable controversies regarding diagnosis, classification and treatment of syndesmotic injuries. Syndesmotic malreduction is the most common indication for early re-operation after ankle fracture surgery, and widening of the ankle mortise by only 1 mm decreases the contact area of the tibiotalar joint by 42%. Outcome of ankle fractures with syndesmosis injury is worse than without, even after surgical syndesmotic stabilization...
April 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28473956/growing-spine-deformities-are-magnetic-rods-the-final-answer
#10
EDITORIAL
Ashok N Johari, Amit S Nemade
Treatment paradigms for Early Onset Scoliosis have changed from fusion to fusionless methods as the harmful effects of early fusion on the growing spine and thorax were realized. Magnetic rods are a recent addition to fusionless technology for controlling scoliosis in a growing spine. The clinical evidence base on magnet driven growth rods (MDGR) has accumulated over the last 4 years. It has implications for reduction in the number of repeat surgeries required with similar complications as the traditional growth rods (TGR) and at a higher initial cost...
April 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28473955/orthopaedic-education-in-the-era-of-surgical-simulation-still-at-the-crawling-stage
#11
EDITORIAL
Kivanc Atesok, Peter MacDonald, Jeff Leiter, James Dubberley, Richard Satava, Ann VanHeest, Shepard Hurwitz, J Lawrence Marsh
Surgical skills education is in the process of a crucial transformation from a master-apprenticeship model to simulation-based training. Orthopaedic surgery is one of the surgical specialties where simulation-based skills training needs to be integrated into the curriculum efficiently and urgently. The reason for this strong and pressing need is that orthopaedic surgery covers broad human anatomy and pathologies and requires learning enormously diverse surgical procedures including basic and advanced skills...
April 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28361022/hip-resurfacing-arthroplasty-complicated-by-mismatched-implant-components
#12
Alessandro Calistri, Patricia Campbell, Catherine Van Der Straeten, Koen Aimè De Smet
Metal-on-metal hip resurfacing has gained popularity as a feasible treatment option for young and active patients with hip osteoarthritis and high functional expectations. This procedure should only be performed by surgeons who have trained specifically in this technique. Preoperative planning is essential for hip resurfacing in order to execute a successful operation and preview any technical problems. The authors present a case of a man who underwent a resurfacing arthroplasty for osteoarthritis of the left hip that was complicated by mismatched implant components that were revised three days afterwards for severe pain and leg length discrepancy...
March 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28361021/relationship-between-biological-factors-and-catastrophizing-and-clinical-outcomes-for-female-patients-with-knee-osteoarthritis
#13
Tatsunori Ikemoto, Hirofumi Miyagawa, Yukiko Shiro, Young-Chang Park Arai, Machiko Akao, Kenta Murotani, Takahiro Ushida, Masataka Deie
AIM: To investigate the correlations between clinical outcomes and biopsychological variables in female patients with knee osteoarthritis (OA). METHODS: Seventy-seven patients with symptomatic knee OA were enrolled in this study. We investigated the age, body mass index (BMI), pain catastrophizing scale (PCS) and radiographic severity of bilateral knees using a Kellgren-Lawrence (K-L) grading system of the subjects. Subsequently, a multiple linear regression was conducted to determine which variables best correlated with main outcomes of knee OA, which were pain severity, moving capacity by measuring timed-up-and-go test and Japanese Knee Osteoarthritis Measure (JKOM)...
March 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28361020/role-of-dynamic-computed-tomography-scans-in-patients-with-congenital-craniovertebral-junction-malformations
#14
Otávio Turolo da Silva, Enrico Ghizoni, Helder Tedeschi, Andrei Fernandes Joaquim
AIM: To evaluate the role of dynamic computed tomography (CT) scan imaging in diagnosing craniovertebral junction (CVJ) instability in patients with congenital CVJ malformations. METHODS: Patients with symptomatic congenital CVJ malformations who underwent posterior fossa decompression and had a preoperative dynamic CT scan in flexion and extended position were included in this study. Measurements of the following craniometrical parameters were taken in flexed and extended neck position: Atlanto-dental interval (ADI), distance of the odontoid tip to the Chamberlain's line, and the clivus-canal angle (CCA)...
March 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28361019/results-of-single-stage-exchange-arthroplasty-with-retention-of-well-fixed-cement-less-femoral-component-in-management-of-infected-total-hip-arthroplasty
#15
Wael A Rahman, Hussain A Kazi, Jeffery D Gollish
AIM: To investigate success of one stage exchange with retention of fixed acetabular cup. METHODS: Fifteen patients treated by single stage acetabular component exchange with retention of well-fixed femoral component in infected total hip arthroplasty (THA) were retrospectively reviewed. Inclusion criteria were patients with painful chronic infected total hip. The patient had radiologically well fixed femoral components, absence of major soft tissue or bone defect compromising, and infecting organism was not poly or virulent micro-organism...
March 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28361018/spinal-alignment-evolution-with-age-a-prospective-gait-analysis-study
#16
Sébastien Pesenti, Benjamin Blondel, Emilie Peltier, Elke Viehweger, Vincent Pomero, Guillaume Authier, Stéphane Fuentes, Jean-Luc Jouve
AIM: To describe, using gait analysis, the development of spinal motion in the growing child. METHODS: Thirty-six healthy children aged from 3 to 16 years old were included in this study for a gait analysis (9 m-walk). Various kinematic parameters were recorded and analyzed such as thoracic angle (TA), lumbar angle (LA) and sagittal vertical axis (SVA). The kinetic parameters were the net reaction moments (N.m/kg) at the thoracolumbar and lumbosacral junctions. RESULTS: TA and LA curves were not statistically correlated to the age (respectively, P = 0...
March 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28361017/lower-limb-stress-fractures-in-sport-optimising-their-management-and-outcome
#17
REVIEW
Greg A J Robertson, Alexander M Wood
Stress fractures in sport are becoming increasing more common, comprising up to 10% of all of sporting injuries. Around 90% of such injuries are located in the lower limb. This articles aims to define the optimal management of lower limb stress fractures in the athlete, with a view to maximise return rates and minimise return times to sport. Treatment planning of this condition is specific to the location of the injury. However, there remains a clear division of stress fractures by "high" and "low" risk. "Low risk" stress fractures are those with a low probability of fracture propagation, delayed union, or non-union, and so can be managed reliably with rest and exercise limitation...
March 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28361016/prevention-and-management-of-post-instability-glenohumeral-arthropathy
#18
REVIEW
Brian R Waterman, Kelly G Kilcoyne, Stephen A Parada, Josef K Eichinger
Post-instability arthropathy may commonly develop in high-risk patients with a history of recurrent glenohumeral instability, both with and without surgical stabilization. Classically related to anterior shoulder instability, the incidence and rates of arthritic progression may vary widely. Radiographic arthritic changes may be present in up to two-thirds of patients after primary Bankart repair and 30% after Latarjet procedure, with increasing rates associated with recurrent dislocation history, prominent implant position, non-anatomic reconstruction, and/or lateralized bone graft placement...
March 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28361015/development-of-an-internally-braced-prosthesis-for-total-talus-replacement
#19
Markus Regauer, Mirjam Lange, Kevin Soldan, Steffen Peyerl, Sebastian Baumbach, Wolfgang Böcker, Hans Polzer
Total loss of talus due to trauma or avascular necrosis, for example, still remains to be a major challenge in foot and ankle surgery with severely limited treatment options. Implantation of a custom made total talar prosthesis has shown promising results so far. Most important factors for long time success are degree of congruence of articular surfaces and ligamentous stability of the ankle. Therefore, our aim was to develop an optimized custom made prosthesis for total talus replacement providing a high level of primary stability...
March 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28361014/fix-and-replace-an-emerging-paradigm-for-treating-acetabular-fractures-in-older-patients
#20
EDITORIAL
Elizabeth K Tissingh, Abigail Johnson, Joseph M Queally, Andrew D Carrothers
Acetabular fractures in older patients are challenging to manage. The "fix and replace" construct may present a new paradigm for the management of these injuries. We present the current challenge of acetabular fractures in older patients. We present this in the context of the current literature. This invited editorial presents early results from our centre and the ongoing challenges are discussed.
March 18, 2017: World Journal of Orthopedics
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