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Cannulated screws

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https://www.readbyqxmd.com/read/29114187/use-of-fibular-bone-graft-and-cancellous-screw-fixation-in-the-management-of-neglected-femur-neck-fractures-in-young-patients
#1
Ghulam Mustafa Kaim Khani, Kamran Hafeez, Muhammad Bux, Nusrat Rasheed, Naveed Ahmed, M Perwez Anjum
Objective: To present the clinical outcome of patients with neglected femur neck fracture treated with fibular bone graft. Methods: During May 2010-February 2013, 15 patients younger than 35 years of age with neglected fracture neck of femur were managed with non-vascularized fibular graft and cannulated screws. Fractures were classified according to Sandhu Classification. Hip function was assessed using Harris hip score. Results: Fifteen patients with mean age of 28...
November 2017: International Journal of Health Sciences
https://www.readbyqxmd.com/read/29096123/in-vitro-validation-of-a-novel-mechanical-model-for-testing-the-anchorage-capacity-of-pedicle-screws-using-physiological-load-application
#2
Christian Liebsch, Julia Zimmermann, Nicolas Graf, Christoph Schilling, Hans-Joachim Wilke, Annette Kienle
Biomechanical in vitro tests analysing screw loosening often include high standard deviations caused by high variabilities in bone mineral density and pedicle geometry, whereas standardized mechanical models made of PU foam often do not integrate anatomical or physiological boundary conditions. The purpose of this study was to develop a most realistic mechanical model for the standardized and reproducible testing of pedicle screws regarding the resistance against screw loosening and the holding force as well as to validate this model by in vitro experiments...
October 25, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29079233/posterolateral-approach-with-buttress-plates-and-cannulated-screw-fixation-for-large-posterior-malleolus-fractures
#3
Qiang Zhou, Hua Lu, Zhanchao Wang, Siming Yu, Haojie Zhang
The present study retrospectively reviewed the clinical efficacy of open reduction and internal fixation with buttress plates and cannulated screws via a posterolateral approach for the treatment of large posterior malleolus fractures. From July 2009 to April 2012, 34 patients (15 males and 19 females; mean age 41.2 years) with posterior malleolus fractures involving >25% of the distal articular tibia, were treated by cannulated screw and buttress plate fixation. All the patients were followed for ≥24 months...
November 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29073772/radiographic-results-of-nitinol-compression-staples-for-hindfoot-and-midfoot-arthrodeses
#4
Oliver N Schipper, Samuel E Ford, Patrick W Moody, Bryce Van Doren, J Kent Ellington
BACKGROUND: The purpose of this study was to determine the radiographic union rate after midfoot and hindfoot arthrodeses using a new generation of nitinol staples, and to compare outcomes between a nitinol staple construct and a nitinol staple and threaded compression screw construct. METHODS: A retrospective chart review was performed to identify patients who underwent hindfoot or midfoot arthrodesis using a new generation of nitinol compression staples with or without a partially threaded cannulated screw with minimum 3-month radiographic follow-up...
October 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/29052742/-triple-arthrodesis-for-correction-of-cavovarus-deformity
#5
REVIEW
A Barg, R Ruiz, B Hintermann
OBJECTIVE: The aim is to correct the underlying cavovarus deformity and to achieve a pain-free and stable hindfoot. INDICATIONS: Rigid neurologic, posttraumatic, congenital, and idiopathic cavovarus deformities. CONTRAINDICATIONS: General surgical or anesthesiological risks, infections, critical soft tissue conditions, neurovascular impairment of the lower extremity, noncompliance, patients with severely reduced bone quality, insulin-dependent diabetes mellitus, smoking...
October 20, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/29051899/surgical-treatment-of-segond-fractures-in-acute-anterior-cruciate-ligament-reconstruction
#6
Andrea Ferretti, Edoardo Monaco, Megan Rianne Wolf, Matteo Guzzini, Angelo De Carli, Daniele Mazza
BACKGROUND: The Segond fracture is an avulsion-type fracture located on the anterolateral aspect of the tibia associated with a ligament recently termed the anterolateral ligament. This injury has been described as pathognomonic for an anterior cruciate ligament (ACL) tear and is associated with a higher grade pivot shift. PURPOSE: To present and report 2-year clinical outcomes of a surgical technique for acute ACL reconstruction with fixation of a concomitant Segond fracture...
October 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29022057/multiple-cannulated-screws-vs-dynamic-hip-screws-for-femoral-neck-fractures-a%C3%A2-meta-analysis
#7
Lei Lei Zhang, Ying Zhang, Xianghao Ma, Youwen Liu
OBJECTIVE: Various fixation devices have been reported for stabilization of femoral neck fractures. Numerous studies on arthroplasty versus internal fixation devices in the treatment of femoral neck fractures have been performed, but the optimal approach for internal fixation has not been analyzed. METHODS: A meta-analysis and system evaluation were performed to compare clinical effects. We searched PubMed, Embase, Cochrane Library, and Web of Science(TM) for randomized, controlled trials (RCTs) comparing multiple cannulated screws (MCS) with dynamic hip screws (DHS) and analyzed the failure rate of operations, the reoperation rate, and postoperative complications...
November 2017: Der Orthopäde
https://www.readbyqxmd.com/read/29021874/functional-outcome-of-isolated-hoffa-fractures-treated-with-cannulated-cancellous-screw
#8
R Singh, R B Singh, M Mahendra
Introduction: Isolated Hoffa fracture is an infrequent injury and little research has been done on this subject. The purpose of this study was to evaluate the functional outcome and complications of surgically managed Hoffa fractures with cannulated cancellous screw. Materials and Methods: Between 2011 and 2014, eight isolated Hoffa fractures in seven adult patients with mean age 39.8±11.9 years (range 25-60 years) were managed with cannulated cancellous screw of 6.5mm diameter applied in anterior to posterior direction using swashbuckler and medial parapatellar approach for lateral and medial Hoffa fractures respectively...
July 2017: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/28970997/operative-treatment-of-symptomatic-meso-type-os-acromiale
#9
George F Lebus, Erik M Fritz, Zaamin B Hussain, Jonas Pogorzelski, Peter J Millett
Os acromiale occur frequently in the population and can be a cause of significant shoulder dysfunction and rotator cuff impingement. When symptomatic os acromiale fail conservative management, surgical intervention may become necessary. The purpose of this article is to describe our preferred surgical technique for osteosynthesis of os acromiale using cannulated screws and tension-band wiring.
August 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28955696/atraumatic-bilateral-fracture-of-the-femoral-neck-in-young-male-patient-with-suspected-osteomalacia
#10
Byung-Ho Yoon, Min-Soo Kwon
In this report, we describe the case of a healthy 37-year-old male patient without a history of disease, who developed atraumatic bilateral fracture of the femoral neck. Radiological and blood investigations revealed osteopenia and severe vitamin D deficiency (7.42 ng/mL), respectively, but patient had no apparent risk factors for insufficiency fracture. Bilateral osteosynthesis was obtained using cannulated screws and laboratory findings improved after vitamin D supplementation. This case highlights the effect of vitamin D deficiency on demineralization in a young male patient...
August 2017: Journal of Bone Metabolism
https://www.readbyqxmd.com/read/28930856/the-role-of-ultrasonography-in-examination-of-the-stability-of-tile-b2-pelvic-fractures-7-case-reports-and-a-literature-review
#11
REVIEW
Bin-Fei Zhang, Hong Zhang, Peng-Fei Wang, Hu Wang, Jin-Lai Lei, Ya-Hui Fu, Yu-Xuan Cong, Hai Huang, Xiao-Ming Huo, Yan Zhuang, Kun Zhang
BACKGROUND: Determining whether a Tile-B2 pelvic fracture is stable is very challenging. We sought to identify the role of ultrasonography in determining the stability of Tile-B2 pelvic fractures. METHODS: We collected the clinical data of patients with Tile-B2 pelvic fractures who presented at Xi'an Hong-Hui Hospital between June 1, 2016, and August 5, 2016. The treatment strategy of each patient was determined by a team of senior surgeons in the department. A single sinologist observed the movement of the fracture sites in patients during rest, under compression, and during separation to determine fracture stability...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28925750/study-of-the-x-ray-diagnosis-of-unstable-pelvic-fracture-displacements-in-three-dimensional-space-and-its-application-in-closed-reduction
#12
Chengdi Shi, Leyi Cai, Wei Hu, Junying Sun
ABSTRACTS Objective: To study the method of X-ray diagnosis of unstable pelvic fractures displaced in three-dimensional (3D) space and its clinical application in closed reduction. METHODS: Five models of hemipelvic displacement were made in an adult pelvic specimen. Anteroposterior radiographs of the pelvis were analyzed in PACS. The method of X-ray diagnosis was applied in closed reductions. From February 2012 to June 2016, 23 patients (15 men, 8 women; mean age, 43.4 years) with unstable pelvic fractures were included...
September 19, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28918874/the-outcome-of-intracapsular-hip-fracture-fixation-using-the-targon-femoral-neck-tfn-locking-plate-system-or-cannulated-cancellous-screws-a-comparative-study-involving-2004-patients
#13
Zeiad Alshameeri, Mohamed Elbashir, Martyn J Parker
AIM: This study compares the outcome of intracapsular hip fracture fixation using the Targon Femoral Neck (TFN) locking plate system with the standard fixation using cannulated cancellous screws (CCS). PATIENTS AND METHOD: Analyses of a prospectively collected data of all patients treated for intracapsular hip fractures using the TFN system and CCS at our department over a period of 28 years. Baseline characteristics and specific outcome measures where compared...
September 1, 2017: Injury
https://www.readbyqxmd.com/read/28898793/displaced-acromion-fracture-a-rare-injury-case-report
#14
Özgür Çiçekli, Abdülhalim Akar, Hüseyin Nevzat Topçu
INTRODUCTION: Acromion fractures are extremely rare. There are no common accepted treatment schemes and fixation methods We aimed to present a case which may contribute to the diagnosis and treatment of acromion fracture in a patient with polytrauma. PRESENTATION OF CASE: Acromion fracture associated with scapula and clavicle fractures was diagnosed in 40 years old patient and treated with open reduction and cannulated screw fixation. The fracture healing was completed without causing subacromial impingement...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28885726/achieving-interfragmentary-compression-without-special-drilling-technique-or-screw-design
#15
Jonathan Eastman, Bradley Deafenbaugh, Blaine Christiansen, Tanya Garcia-Nolen, Mark Lee
Traditional fracture fixation teaching suggests that fully threaded screws do not provide interfragmentary compression unless placed through a glide hole. Based on this assumption, pelvic surgeons typically use fully threaded screws in the treatment of comminuted transforaminal sacral fractures to limit iatrogenic neuroforaminal stenosis. Clinical experience with fully threaded screws suggests that interfragmentary compression actually does occur. We hypothesized that the use of a fully threaded screw does not produce any interfragmentary compression and that there is no difference in insertional torque between partially threaded and fully threaded screws...
September 8, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28881111/biomechanical-comparison-of-inter-fragmentary-compression-pressures-lag-screw-versus-herbert-screw-for-anterior-odontoid-screw-fixation
#16
Jin-Woo Park, Kyoung-Tae Kim, Joo-Kyung Sung, Seong-Hyun Park, Ki-Woong Seong, Dae-Chul Cho
OBJECTIVE: The purpose of the present study was to compare inter-fragmentary compression pressures after fixation of a simulated type II odontoid fracture with the headless compression Herbert screw and a half threaded cannulated lag screw. METHODS: We compared inter-fragmentary compression pressures between 40- and 45-mm long 4.5-mm Herbert screws (n=8 and n=9, respectively) and 40- and 45-mm long 4.0-mm cannulated lag screws (n=7 and n=10, respectively) after insertion into rigid polyurethane foam test blocks (Sawbones, Vashon, WA, USA)...
September 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28854767/open-reduction-and-internal-fixation-of-isolated-posterior-cruciate-ligament-avulsion-fractures-clinical-and-functional-outcome
#17
Sachin Joshi, Chirag Bhatia, Ashwin Gondane, Avinash Rai, Sumer Singh, Shobhit Gupta
Purpose: The posterior cruciate ligament (PCL) presents commonly with avulsion fractures of its tibial attachment. An avulsion fracture of the PCL, if not surgically fixed, may lead to secondary changes in the knee joint. Various fixation techniques have been explored with use of lag screws, steel wires, absorbable screws, suture anchors and straddle nails. The purpose of this study was to evaluate the clinical and functional outcome of open reduction and internal fixation of tibial avulsion injuries of the PCL using cannulated cancellous screws...
September 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/28844681/dynamic-hip-system-blade-versus-cannulated-compression-screw-for-the-treatment-of-femoral-neck-fractures-a-retrospective-study
#18
Chao Chen, Li Yu, Xin Tang, Mo-Zhen Liu, Li-Zhong Sun, Changjian Liu, Zhen Zhang, Chang-Zhou Li
OBJECTIVE: The aim of this study was to compare clinical outcomes of patients with femoral neck fractures treated with the dynamic hip system blade (DHS-BLADE) or cannulated compression screws. METHODS: Eighty-six patients with femoral neck fractures were treated by closed reduction internal fixation with a DHS-BLADE (n = 42; 18 males and 24 females; mean age: 56.3 years (37-87)) or cannulated compression screws (n = 44; 20 males and 24 females; mean age: 53...
August 24, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/28840672/-minimal-invasive-osteosynthesis-with-cannulated-screws-in-metacarpal-fractures
#19
R Romo-Rodríguez, C Arroyo-Berezowsky
Metacarpal fractures comprise 18 to 44% of hand fractures. Fractures from the second to the fifth metacarpals are 88% of the metacarpal fractures and fractures of the fifth metacarpals are the most common. Fractures of the neck of the fifth metacarpal are about 20% of all the hand fractures. Most of these fractures can be treated conservatively with good functional results. However, for those neck and shaft unstable fractures that need surgical treatment, there is no gold standard for osteosynthesis. Recently, there have been reports of minimally invasive osteosynthesis using headless retrograde intramedullary cannulated screws with good functional results...
March 2017: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/28819799/accuracy-of-cannulated-pedicle-screw-versus-conventional-pedicle-screw-for-extra-pedicular-screw-placement-in-dysplastic-pedicles-without-cancellous-channel-in-adolescent-idiopathic-scoliosis-a-computerized-tomography-ct-analysis
#20
Chee Kean Lee, Chris Yin Wei Chan, Siti Mariam Abd Gani, Mun Keong Kwan
PURPOSE: This study aimed at studying the accuracy and safety of extra-pedicular screw insertion for dysplastic pedicles in AIS comparing cannulated screw system versus conventional screw system. METHODS: 104 AIS patients with 1524 pedicle screws were evaluated using CT scan. 302 screws were inserted in dysplastic pedicles using fluoroscopic guidance technique. 155 screws were inserted using a cannulated system (Group 1), whereas 147 screws were inserted using standard screws (Group 2)...
November 2017: European Spine Journal
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