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Cannulated screws

Xiang Hu, Bao-Jian Liu, Xiao-Ming Wen, Yong-Hao Zheng, Ke Jia
OBJECTIVE: To investigate the clinical effect of internal fixation with closed reduction and hollow compression screws for the treatment of femoral neck fracture in young and middle-aged patients. METHODS: From June 2013 to December 2016, 33 young and middle-aged patients with femoral neck fractures were treated with hollow compression screws fixation including 17 males and 16 females with an average age of 38.5 years old ranged from 19 to 59 years old; 20 cases were on the left side and 13 cases on the right side;the time from injury to operation ranged from 2 to 5 days with an average of 3 days...
February 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
Li-Zhi Zhang, Jie Gao, Zhi-Cheng Zhang, Xiao-Wei Wang, Jian-Zheng Zhang, Tian-Sheng Sun
OBJECTIVE: To compare of clinical effects of different surgical methods in the treatment of elderly femoral neck fractures. METHODS: From January 2013 to June 2016, 144 elderly patients with femoral neck were treated and divided into artificial hip replacement group and cannulated screw fixation group according to the surgical methods. In the total hip arthroplasty group, there were 89 cases, 28 males and 61 females, with an average age of(84.10±3.10) years old;Hollow nail fixation group 55 cases, 20 males and 35 females, with an average age of (86...
February 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
Jose Couceiro, Higinio Ayala, Manuel Sanchez, Maria de Los Angeles De la Red, Olga Velez, Fernando Del Canto
Purpose  The purpose of our study is to compare the intramedullary fixation of metacarpal fractures with cannulated headless screws and antegrade Kirschner wires in terms of final total active motion, grip strength, patient-related outcomes, need for casting, and return to work times. Methods  The authors performed a retrospective review of the hospital records. Thirty fractures were included in the study, 19 in the screw fixation group, and 11 in the Kirschner wire group. Grip strength, and total active motion, was measured at the latest follow-up for both the injured and contralateral hand...
January 2018: Surgery Journal
M Gurger, M Yilmaz, E Yilmaz, S Altun
Background: Percutaneous screw fixation is widely used in acute fractures of the scaphoid. In this study, we aimed to present our results with volar percutaneous screw fixation in patients with scaphoid nonunions. Methodology: A total of 12 patients with scaphoid nonunion (≥13 weeks) that underwent volar percutaneous screw fixation were evaluated retrospectively. Two of the patients were female, and 10 were male. Mean age was 27 years (range = 19-41). The mean time that elapsed between the fracture and surgical procedure was 7...
March 2018: Nigerian Journal of Clinical Practice
Gorkem Kiyak, Tevfik Balikci, Ahmed Majid Heydar, Murat Bezer
Study Design: Mechanical study. Purpose: To compare the pullout strength of different screw designs and augmentation techniques in an osteoporotic bone model. Overview of Literature: Adequate bone screw pullout strength is a common problem among osteoporotic patients. Various screw designs and augmentation techniques have been developed to improve the biomechanical characteristics of the bone-screw interface. Methods: Polyurethane blocks were used to mimic human osteoporotic cancellous bone, and six different screw designs were tested...
February 2018: Asian Spine Journal
D Jann, M Calcagni, P Giovanoli, T Giesen
We analyzed the results of 20 unstable metacarpal fractures in 15 patients treated with a cannulated compression screw and no immobilization. All fractures healed within 6 weeks. One patient with multiple fractures and a flexion deficit required arthrolysis of two metacarpophalangeal joints. Another patient had an extension lag. There were no other complications. This fast and easy technique results in good outcomes for unstable metacarpal fractures. The advantages are early active motion without immobilization and stable fixation...
March 1, 2018: Hand Surgery and Rehabilitation
Muhammad Asif, Sultan N Qasim, Sudhir Kannan, Maneesh Bhatia
Fusion of the first metatarsophalangeal joint (MTPJ) is the reference standard surgery for significant hallux rigidus. A number of different techniques for first MTPJ fusion have been reported. We describe our technique of first MTPJ fusion using cup and cone reamers for joint surface preparation and 2 crossed cannulated screws for fixation. To the best of our knowledge, this is the single largest series using this technique. The present study reports on a single-surgeon, consecutive series of 166 consecutive cases in 147 patients who had undergone first MTPJ fusion...
March 2, 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
Jian-Xiong Ma, Ming-Jie Kuang, Fei Xing, Yun-Long Zhao, Heng-Ting Chen, Lu-Kai Zhang, Zheng-Rui Fan, Chao Han, Xin-Long Ma
OBJECTIVE: Femoral neck fracture is considered a difficult fracture to treat and often gives rise to unsatisfactory treatment results. Cannulated cancellous screws (CCS) or a sliding hip screw (SHS) are the mainstream internal fixations used for osteosynthesis of femoral neck fractures. There is a need to integrate existing data through a meta-analysis to investigate the safety and effectiveness of CCS and SHS in the treatment of femoral neck fractures. METHOD: According to the Cochrane Handbook for Systematic Reviews of Interventions, we screened for the relevant studies by searching Google Scholar, the Cochrane Controlled Trials Register, the Cochrane Library, Web of Science, EMBASE, and PubMed...
February 19, 2018: International Journal of Surgery
D Franks, J Shatrov, M Symes, D G Little, T L Cheng
Purpose: Lateral condyle fractures of the humerus are common in the paediatric population, accounting for up to 20% of elbow fractures. Traditional management involves internal fixation with Kirschner (K)-wires, however, this has been associated with complications and insufficiently rigid fixation. Recently, cannulated screws have been proposed as a more stable method of fixation. While cannulated screws have been thought to allow earlier range of movement and shorten time to union, data regarding the biomechanical performance and optimal screw placement is scarce...
February 1, 2018: Journal of Children's Orthopaedics
Timothy B Griffith, James Kercher, S Clifton Willimon, Crystal Perkins, Xavier A Duralde
PURPOSE OF REVIEW: With an increasing rate of adolescent elbow injuries, especially in throwing athletes, the purpose of this review is to investigate the current literature regarding the diagnosis, treatment, and non-operative and operative outcomes of medial epicondyle fractures, ulnar collateral ligament repair, osteochondritis dissecans of the elbow, and olecranon stress fractures. RECENT FINDINGS: Acceptable outcomes with both non-operative and operative treatments of medial epicondyle fractures have been reported, with surgical indications continuing to evolve...
February 14, 2018: Current Reviews in Musculoskeletal Medicine
Hao Yin, Zhengjun Pan, Hua Jiang
PURPOSE: The aim of this study was to assess the outcomes of dynamic locking plate (Targon FN) and other alternative implant (cannulated cancellous screws or sliding hip screw) for treating of intracapsular hip fracture. METHODS: Relevant clinical trials on the dynamic locking plate and alternative implant treatment for intracapsular hip fracture were retrieved through searching the databases, PubMed, Embase and the Cochrane Central Register of Controlled Trials up to August 2017...
February 7, 2018: International Journal of Surgery
Yoram A Weil, Feras Qawasmi, Meir Liebergall, Rami Mosheiff, Amal Khoury
BACKGROUND: Femoral neck fractures (FNF) are becoming increasingly common as population ages. Nondisplaced fractures are commonly treated by cancellous, parallel placed, partially threaded cannulated screws (PTS). This allows controlled fracture impaction. However, sliding implants can lead to femoral neck shortening (FNS) that has been shown to be correlated with reduced quality of life and impaired gait pattern. Recently, in our institution we have changed the fixation of FNF to fully threaded screws (FTS) with or without an additional partially threaded screw in order to minimize this phenomenon...
February 9, 2018: Archives of Orthopaedic and Trauma Surgery
Guo-Qing Shen, Hao Zhang, Da-Fu Long, Zheng-Wen Li, Ying-Dong Tan
OBJECTIVE: To observe the clinical effects of retrograde intramedullary nailing and cannulated screws in the treatment of femoral condylar fracture. METHODS: From June 2009 to June 2015, 13 patients with femoral condyles fracture were treated by retrograde intramedullary nailing and cannulated screws including 6 males and 7 females with an average age of 46.1 years old ranging from 16 to 76 years old. There were 10 cases of closed fractures, 3 cases of open fraetures...
July 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
Baokun Zhang, Jingwen Liu, Yi Zhu, Wei Zhang
PURPOSE: The treatment of vertical femoral neck fractures in young patients is a worldwide challenge. The purpose of this study is to introduce a new configuration of cannulated screw fixation in vertical femoral neck fractures by comparing with using ordinary cannulated compression screw (OCCS) alone biomechanically and clinically. MATERIAL AND METHOD: Biomechanically, 20 synthetic femur models of femoral neck fractures with 20° of VN angle were divided into two groups...
February 8, 2018: International Orthopaedics
Peter Kameel Garas, Steven Thomas DiSegna, Abhay R Patel
BACKGROUND: Arthrodesis of the first tarsal metatarsal joint can be accomplished in many ways. The compressive force attained between various constructs remains unclear. This study compares compression achieved through a locking/compression Lapidus plate both with and without the addition of a lag screw. METHODS: A dorsal medial Lapidus/locking compression plate (Total Compression Plate System, OrthoPro, Salt Lake City, UT, now Wright Medical) was applied to one cadaveric limb, while the same plate with the addition of a 4...
February 1, 2018: Foot & Ankle Specialist
Chang Ho Shin, Doo Jae Lee, In Ho Choi, Tae-Joon Cho, Won Joon Yoo
BACKGROUND: The purpose of this study was to determine the efficacy and complications of arthroscopically assisted reduction and fixation with cannulated screws for tibial eminence fracture in skeletally immature patients. METHODS: This was a retrospective case series study. Forty-eight patients who were skeletally immature at the time of tibial eminence fracture were treated in a tertiary children's hospital between May 2004 and August 2015. Twenty-one patients were excluded due to non-operative treatment (n = 10), other surgical treatments (n = 9), multiple fracture (n = 1), and follow-up < 1 year (n = 1)...
February 6, 2018: BMC Musculoskeletal Disorders
Ming Zhang, Yun-Feng Chen, Lei Wang, Fan Li, Hai-Feng Wei, Zhong-Min Shi
BACKGROUND: The purpose of this study was to investigate clinical characteristics and surgical management of Type III Wagstaffe fracture. METHODS: From August 2012 to July 2015, 13 patients with Type III Wagstaffe fractures were surgically treated. During operation, the cartilage of joint surface was explored. Wagstaffe fragment was fixed with cannulated screw or suture, Chaput fragment was fixed with cannulated screw or plate, and Cotton test was performed to evaluate the stability of syndesmosis during the operation...
April 27, 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
Mehmet Fatih Aycan, Mesut Emre Yaman, Yusuf Usta, Teyfik Demir, Tolga Tolunay
Objective of this study is to assess the pullout performance of various pedicle screws in different test materials after toggling tests comparatively. Solid core, cannulated (cemented), novel expandable and solid-core (cemented) pedicle screws were instrumented to the polyurethane foams (Grade 10 and Grade 40) produced in laboratory and bovine vertebra. ASTM F543 standard was used for preparation process of samples. Toggling tests were carried out. After toggling test procedures, pullout tests were performed...
February 1, 2018: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
Yusuf Gürbüz, Tahir Sadık Sügün, Murat Kayalar
Introduction  The purpose of this retrospective study, is to evaluate the clinical and functional results of early surgical fixation of the ipsilateral distal radius and scaphoid fractures in 22 of 21 patients. Patients and Methods  Overall, 22 combined ipsilateral scaphoid, and distal radius fracture treatments between 2002 and 2015 were evaluated. The mean age was 34.9 (range: 19-82) years. One patient had bilateral injuries. In 17 patients the injury was due to a fall from a height, and in 4 patients due to a motorcycle accident...
February 2018: Journal of Wrist Surgery
Brett M Normandin, David J Tennent, Todd H Baldini, Alesia M Blanchard, Jason T Rhodes
Epiphysiodesis is performed to treat leg-length discrepancies and angular deformities in children. However, when placed across a physis to modulate growth, screws can bend or break postoperatively. This study evaluated the mechanical properties of 3 different screw designs commonly used when performing an epiphysiodesis. Six 4.0-mm cannulated, fully threaded; six 4.0-mm cannulated, partially threaded; and six 4.0-mm noncannulated, partially threaded cancellous screws underwent cantilever bending and tension testing in a simulated physis...
January 25, 2018: Orthopedics
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