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Cannulated screws

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https://www.readbyqxmd.com/read/28074463/importance-of-fixation-of-posterior-malleolus-fracture-in-trimalleolar-fractures-a-retrospective-study
#1
Sinan Karaca, Meriç Enercan, Güzelali Özdemir, Sinan Kahraman, Mutlu Çobanoğlu, Metin Küçükkaya
BACKGROUND: The aim of this retrospective study was to evaluate treatment effect and importance of posterior malleolus (PM) fixation in surgically treated trimalleolar fractures. METHODS: A total of 57 cases of ankle joint fracture involving PM and treated with open reduction and internal fixation technique between 2004 and 2011 were evaluated. PM fixation was performed with cannulated screws in 46 cases, and in 11 cases, PM plate was used. All patients were assessed using American Orthopaedic Foot and Ankle Society (AOFAS) score, American Academy of Orthopedic Surgeons (AAOS) foot and ankle questionnaire, and Visual Analog Score (VAS) pain scale...
November 2016: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28057632/are-two-retrograde-3-5-mm-screws-superior-to-one-7-3-mm-screw-for-anterior-pelvic-ring-fixation-in-bones-with-low-bone-mineral-density
#2
Y P Acklin, I Zderic, S Grechenig, R G Richards, P Schmitz, B Gueorguiev
OBJECTIVES: Osteosynthesis of anterior pubic ramus fractures using one large-diameter screw can be challenging in terms of both surgical procedure and fixation stability. Small-fragment screws have the advantage of following the pelvic cortex and being more flexible.The aim of the present study was to biomechanically compare retrograde intramedullary fixation of the superior pubic ramus using either one large- or two small-diameter screws. MATERIALS AND METHODS: A total of 12 human cadaveric hemipelvises were analysed in a matched pair study design...
January 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28056260/-research-progress-of-hoffa-fracture
#3
Y B Zhou, Q X Wang, W Chen
Hoffa fracture is a rare type of fracture confined to the coronal plane of the femoral condyle. High-energy is a common reason of Hoffa fracture, and low-energy trauma and iatrogenic injury can also cause Hoffa fracture in some cases. The commonly used classifications include Letenneur classification, CT classification, AO classification and modified AO classification. X-ray is the first choice to diagnose Hoffa fractures, fracture lines can be found. If the X-ray is negative, CT scan and MRI should be performed...
January 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28050549/bilateral-stress-fracture-of-femoral-neck-in-non-athlete-case-report
#4
Ubiratan Stefani de Oliveira, Pedro José Labronici, André João Neto, Alexandre Yukio Nishimi, Robinson Esteves Santos Pires, Luiz Henrique Penteado Silva
Bilateral stress fracture of femoral neck in healthy young patients is an extremely rare entity, whose diagnostic and treatment represent a major challenge. Patients with history of hip pain, even non-athletes or military recruits, should be analyzed to achieve an early diagnosis and prevent possible complications from the surgical treatment. This report describes a 43-year-old male patient, non-athlete, without previous diseases, who developed bilateral stress fracture of femoral neck without displacement...
November 2016: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28018062/non-union-fracture-neck-femur-in-a-toddler-reconstructed-by-valgus-osteotomy-a-minimally-invasive-approach
#5
Amit Sharma, Anurag Tiwari, Tarun Verma, Lalit Maini
BACKGROUND: Non-union is one of the devastating complications of fracture neck of femur. Though a very rarely encountered entity in a toddler (1-3 years paediatric age group), non-united femoral neck fractures are reported in developing countries because of mismanagement by quacks and delay in referrals. For operative treatment, many different procedures have been described, including close/open reduction and internal fixation using K-wires, cannulated screws, fibula or nails. There is no evidence in the literature that one or other implant influences the rate of postoperative complications, such as avascular femoral head necrosis or coxa vara...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/27990430/metformin-prevents-nonunion-after-three-cannulated-screw-fixation-in-displaced-femoral-neck-fractures-a-retrospective-study
#6
Xiao-Zhong Zhu, Xian-You Zheng
Patients aged from 40 to 60 with displaced fractures of the femoral neck (Garden III or IV) who received fixation with three cannulated screws from January 2005 to December 2012 were evaluated retrospectively for the development of nonunion. Plasma HbA1C, a marker for long-term plasma glucose level, anti-T2DM medication, and other potential risk factors were recorded for the purpose of this study. There were no differences between the union and nonunion groups with respect to age, gender, Garden classification, Pauwel's angle, reduction quality, and T2DM presence...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27987507/-polymethylmethacrylate-augmentation-of-bone-cement-injectable-cannulated-pedicle-screws-for-the-treatment-of-degenerative-lumbar-diseases-with-osteoporosis
#7
H L Sun, C D Li, Z C Yang, X D Yi, H Liu, H L Lu, H Li, Y Wang
OBJECTIVE: To describe the application of polymethylmethacrylate augmentation of bone cement-injectable cannulated pedicle screws for the treatment of degenerative lumbar diseases with osteoporosis. METHODS: Observation group included 14 cases of degenerative lumbar diseases with osteoporosis received polymethylmethacrylate augmentation of bone cement-injectable cannulated pedicle screws from November 2014 to July 2015, control group included 12 cases of degenerative lumbar diseases with osteoporosis received polymethylmethacrylate augmentation with traditional pedicle screws...
December 18, 2016: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/27975351/-3d-fluoroscopy-navigated-magerl-fusion-of-the-1st-and-2nd-cervical-vertebra
#8
G Stein, G Schiffer, J Bredow, C Meyer
Background: Treatment of type II fractures of the odontoid process is still controversial. Besides conservative treatment, there are surgical options, including anterior screw fixation, as first described by Böhler and Magerl, or procedures using a dorsal approach. Many authors prefer dorsal fusion of C1 and 2, due to the reliable, biomechanical stability. In this context, pedicle screw fixation, as described by Harms, and transarticular screw fixation of the atlantoaxial joints, as described by Magerl, have to be mentioned...
December 2016: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/27917331/percutaneous-cannulated-screw-fixation-for-pediatric-epiphyseal-ankle-fractures
#9
Özgür Çiçekli, Güzelali Özdemir, Mustafa Uysal, Vedat Biçici, İzzet Bingöl
BACKGROUND: Ankle injuries are among the most common injuries in children. The aim of this study was to compare the efficacies of two percutaneous fixation methods after closed reduction in physeal ankle fractures. METHODS: We reviewed the cases of 24 patients with a mean age of 12.29 years; 16 were male, and 8 were female. Only patients with fractures of Salter-Harris types 2, 3, and 4 with displacements greater than 2 mm were included in the study. Patients were treated with closed reduction manipulation and percutaneous screw fixation...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27908742/arthroscopic-arthrodesis-of-the-shoulder-in-brachial-plexus-palsy
#10
Hubert Lenoir, Thomas Williams, Aude Griffart, Cyril Lazerges, Michel Chammas, Bertrand Coulet, Dominique Le Nen
BACKGROUND: Shoulder arthroscopic arthrodesis is an uncommon and non-standardized procedure. Results are poorly evaluated. We describe the findings in 8 patients who underwent shoulder arthroscopic arthrodesis for brachial plexus injury. METHODS: The humeral head and glenoid were excised through standard arthroscopic portals. A Hoffmann external fixator and cannulated screws were used to stabilize the shoulder. Standard clinical assessment and radiographic evaluation were performed each month until bony fusion occurred...
November 28, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27908492/fragility-fractures-of-the-ankle-in-the-elderly-open-reduction-and-internal-fixation-versus-tibio-talo-calcaneal-nailing-short-term-results-of-a-prospective-randomized-controlled-study
#11
D Georgiannos, V Lampridis, I Bisbinas
INTRODUCTION: The management of ankle fractures in the elderly remains unpredictable, secondary to their various co-morbidities. Although tibiotalocalcaneal (TTC) nailing has been an effective option for ankle arthrodesis due to ankle arthritis or Charcot arthropathy there are few reports regarding the use of TTC nail for the treatment of ankle fractures. PURPOSE: Aim of this study was to compare the results of ORIF versus TTC nailing for the treatment of unstable ankle fractures in the elderly...
November 17, 2016: Injury
https://www.readbyqxmd.com/read/27903299/arthroscopic-arthrodesis-for-ankle-arthritis-without-bone-graft
#12
Xiaojun Duan, Liu Yang, Li Yin
BACKGROUND: Ankle arthrodesis is considered by many to be the standard operative treatment for end-stage ankle arthritis. The purpose of this study was to perform a new technique for ankle joint surface and determine the outcome for the union rates of ankle arthroscopic arthrodesis. METHODS: A total of 68 patients with posttraumatic arthritis, primary osteoarthritis, and rheumatoid arthritis were treated by ankle arthroscopic arthrodesis between May 2007 and December 2012...
December 1, 2016: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/27886018/radiofrequency-activated-pmma-augmentation-through-cannulated-pedicle-screws-a-cadaver-study-to-determine-the-biomechanical-benefits-in-the-osteoporotic-spine
#13
T Karius, C Deborre, D C Wirtz, C Burger, A Prescher, A Fölsch, K Kabir, R Pflugmacher, H Goost
INTRODUCTION: PMMA-augmentation of pedicle screws strengthens the bone-screw-interface reducing cut-out risk. Injection of fluid cement bears a higher risk of extravasation, with difficulty of application because of inconsistent viscosity and limited injection time. OBJECTIVE: To test a new method of cement augmentation of pedicle screws using radiofrequency-activated PMMA, which is suspected to be easier to apply and have less extravasations. METHODS: Twenty-seven fresh-frozen human cadaver lumbar spines were divided into 18 osteoporotic (BMD ≤ 0...
November 18, 2016: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/27870692/wide-variation-of-surgical-cost-in-the-treatment-of-periarticular-lower-extremity-injuries-between-6-fellowship-trained-trauma-surgeons
#14
Robert J Wetzel, Laurence B Kempton, Edwin S Lee, Michael Zlowodzki, Todd O McKinley, Walter W Virkus
OBJECTIVES: We hypothesized that negligible surgical material cost variation exists between traumatolgists for treatment of bimalleolar ankle and bicondylar tibial plateau fractures. DESIGN: Retrospective medical record review. SETTING: Academic level 1 Trauma Center; 2-year period. PATIENTS/PARTICIPANTS: Current Procedure Terminology codes for open treatment of bimalleolar ankle and bicondylar tibial plateau fractures identified patients...
December 2016: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/27837321/hemiarthroplasty-versus-internal-fixation-in-super-aged-patients-with-undisplaced-femoral-neck-fractures-a-5-year-follow-up-of-randomized-controlled-trial
#15
Qifeng Lu, Genling Tang, Xijiang Zhao, Shuguang Guo, Bin Cai, Qingsong Li
INTRODUCTION: There were higher rates of revision, complication, non-union, delayed union, and poorer functional outcomes reported in super-aged patients of undisplaced femoral neck fractures treated with internal fixation. Therefore, we designed this randomized comparative study aiming to compare the effectiveness and long-term follow-up results of hemiarthroplasty (HA) with that of multiple cannulated screws (MCS). MATERIALS AND METHODS: Eligible participants were randomly assigned into two groups for different methods of operation (hemiarthroplasty group and internal fixation group)...
January 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/27780509/subtrochanteric-osteoid-osteoma-a-misdiagnosed-case-complicated-by-a-hip-fracture
#16
N K Sferopoulos
A 34-year-old man with a subtrochanteric osteoid osteoma localized to the lateral cortex of the left femur is reported. The patient presented with mild spontaneous pain of the lateral thigh and knee. He refused a radiographic examination and was treated as a greater trochanteric pain syndrome for 9 months. He was then admitted with a transcervical fracture of the neck of the left femur after a fall from standing height. The fracture was fixed with 3 cannulated screws and healed uneventfully. His symptoms worsened after the first postoperative year...
October 1, 2016: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/27770167/-surgical-treatment-of-a-complex-adolescent-carpal-fracture-a%C3%A2-rare%C3%A2-injury-to-the-growing-skeleton
#17
D Saul, J C Ammon, F August
We report the case of a 15-year-old boy with combined fractures of the scaphoid, capitate, and hamate that represents a rare variation of the well-known Fenton's syndrome. Fixation was performed for the unstable fractures of the scaphoid and capitate with the use of cannulated Herbert screws and K‑wires respectively. K‑wires were removed after 6 months, with subsequent physiotherapy. After 6 months, CT confirmed complete consolidation of the two surgically treated carpal fractures and the conservatively treated fracture of the hamate...
October 21, 2016: Der Unfallchirurg
https://www.readbyqxmd.com/read/27762619/simultaneous-bilateral-fractureunilateral-dislocation-of-the-talus
#18
Ümit Aygün, Yalkçn Çalçk, Barçş Alkan, Cengiz Işçk
In this study, we present the case of a 42-year-old man with a fracture and dislocation of the left talus neck, and a fracture of the right talus neck due to a fall. This kind of fracture can be considered rare, and thus few cases have been reported. Fracture fixation was provided through cannulated screws on either side. Splints were removed after 6 weeks, and passive/active joint movement exercises were started. The patient was able to walk with partial weightbearing at 2 months and with full weightbearing at 3 months...
September 2, 2016: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/27755495/percutaneous-direct-repair-of-a-pars-defect-using-intraoperative-computed-tomography-scan-a-modification-of-the-buck-s-technique
#19
Ali Nourbakhsh, Fletcher Preuss, Michael Hadeed, Adam Shimer
STUDY DESIGN: Case report. OBJECTIVE: To describe a young adult with a pars defect undergoing percutaneous direct fixation using intraoperative Computed Tomography (CT) scan. SUMMARY OF BACKGROUND DATA: Direct pars repair has been utilized since the 1960 s. There are no reports in the literature describing a percutaneous technique. METHODS: Using a percutaneous technique under the guide of intraoperative CT scan, a cannulated partially threaded screw was inserted across the pars defect...
October 17, 2016: Spine
https://www.readbyqxmd.com/read/27755333/biomechanical-evaluation-of-the-femoral-neck-system-in-unstable-pauwels-iii-femoral-neck-fractures-a-comparison-to-the-dynamic-hip-screw-and-cannulated-screws
#20
Karl Stoffel, Ivan Zderic, Florian Gras, Christoph Sommer, Ursula Eberli, David Mueller, Martin Oswald, Boyko Gueorguiev
OBJECTIVES: To evaluate the biomechanical performance of Femoral Neck System (FNS) in comparison to established methods for fixation of femoral neck fractures in a cadaveric model. METHODS: Twenty pairs of fresh-frozen human cadaveric femora were instrumented either with DHS-Screw, DHS-Blade, 3CS or with FNS in a partially paired design. The specimens were randomized to two paired treatment groups based on the BMD, namely DHS-Screw/DHS-Blade and FNS/3CS. A reduced unstable femoral neck fracture with postero-caudal comminution, AO/OTA 31-B2...
October 13, 2016: Journal of Orthopaedic Trauma
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