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Cannulated screws

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https://www.readbyqxmd.com/read/29782446/minimally-invasive-proximal-interphalangeal-joint-arthrodesis-using-headless-screw-surgical-technique
#1
Elizabeth A Newman, Maria C Orbay, Fiesky A Nunez, Fiesky Nunez
Proximal interphalangeal (PIP) joint arthritis causes debilitating hand pain and instability leading to significant functional impairment. Arthrodesis remains the gold standard for treatment of PIP arthritis. We present a minimally invasive PIP arthrodesis that provides rigid fixation with a headless compression screw. Seven patients who presented to the senior author with PIP joint arthritis underwent PIP arthrodesis by minimally invasive technique. A 1 cm transverse incision is made over the PIP joint, incising skin, central band, and articular capsule...
June 2018: Techniques in Hand & Upper Extremity Surgery
https://www.readbyqxmd.com/read/29766741/simultaneous-intraoperative-measurement-of-cadaver-ankle-and-subtalar-joint-compression-during-arthrodesis-with-intramedullary-nail-screws-and-tibiotalocalcaneal-plate
#2
Kamran S Hamid, Richard R Glisson, Joel G Morash, Andrew P Matson, James K DeOrio
BACKGROUND: Suboptimal tibiotalocalcaneal arthrodesis (TTCA) fusion rates may result from inadequate compression that increases motion and interferes with bony bridging. The aim of this study was to evaluate compressive forces at the ankle and subtalar joints with 3 contemporary TTCA constructs. METHODS: Thirty fresh-frozen cadaveric lower extremity specimens were divided into 3 groups of 10 each: 3 partially threaded cannulated screws, hindfoot nail, and lateral plate...
May 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29761236/different-pedicle-osteosynthesis-for-thoracolumbar-vertebral-fractures-in-elderly-patients
#3
Massimo Girardo, Alessandro Rava, Federico Fusini, Giosuè Gargiulo, Angela Coniglio, Pasquale Cinnella
INTRODUCTION: Pedicle screws' stability, especially in osteoporotic fractures, is a really problem for spinal surgeons. Nowadays, little is known about the influence of different screw types and amount of cement applied. This single-center retrospective observational study has the aim of evaluating the middle- to long-term mechanical performances of different types of screws in elderly patients with thoracolumbar fractures. MATERIALS AND METHODS: A total of 91 patients (37 males and 54 females), treated between 2011 and 2016, affected by somatic osteoporotic fractures aged over 65 years were treated...
May 14, 2018: European Spine Journal
https://www.readbyqxmd.com/read/29752219/immediate-weightbearing-after-first-metatarsophalangeal-joint-arthrodesis-with-screw-and-locking-plate-fixation-a-short-term-review
#4
Kyle W Abben, Matthew D Sorensen, Brett J Waverly
Historically, the postoperative protocol for patients undergoing first metatarsophalangeal joint arthrodesis has included 6 weeks of non-weightbearing, followed by protected weightbearing in a below-the-knee cast boot or postoperative shoe. This prolonged period of non-weightbearing predisposes the patient to disuse atrophy, osteopenia, deep vein thrombosis risk, and, overall, a prolonged time to recovery. The present study reports a retrospective review of a patient cohort that underwent first metatarsophalangeal joint fusion with immediate full weightbearing postoperatively...
May 8, 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29716591/the-primary-stability-of-different-implants-for-intra-articular-calcaneal-fractures-an-in-vitro-study
#5
Ming Ni, Jiong Mei, Kun Li, Wenxin Niu, Ming Zhang
BACKGROUND: Calcaneal fractures account for around 2% of all fractures and most of them are intra-articular fractures. Many implants have been used in the fixation of calcaneal fractures, but their biomechanical stability has not yet been well investigated. The aim of this study was to compare the primary stability of four fixations of calcaneal fracture. METHODS: Eight cadaveric calcaneus samples were used to simulate the Sanders' types III fracture pattern and fixed through four different implants, namely, K-wires, cannulated screws (CS), absorbable screws (AS), and plate-screw system (PSS)...
May 2, 2018: Biomedical Engineering Online
https://www.readbyqxmd.com/read/29705234/syndesmosis-fixation-in-unstable-ankle-fractures-using-a-partially-threaded-5-0-mm-cannulated-screw
#6
Seung Yeol Lee, Sang Young Moon, Moon Seok Park, Byung Chae Jo, Hyunseok Jeong, Kyoung Min Lee
The present study evaluated the radiographic outcomes of syndesmosis injuries treated with a partially threaded 5.0-mm cannulated screw. The present study included 58 consecutive patients with syndesmosis injuries concurrent with ankle fractures who had undergone operative fixation with a partially threaded 5.0-mm cannulated screw to repair the syndesmosis injury. Radiographic indexes, including the medial clear space, tibiofibular overlap, tibiofibular clear space, and fibular position on the lateral radiograph, were measured on the preoperative, immediate postoperative, and final follow-up radiographs...
April 25, 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29662767/reconstruction-of-the-lateral-tibia-plateau-fracture-with-a-third-triangular-support-screw-a-biomechanical-study
#7
Eduardo Moran, Ivan Zderic, Kajetan Klos, Paul Simons, Miguel Triana, R Geoff Richards, Boyko Gueorguiev, Mark Lenz
Background: Split fractures of the lateral tibia plateau in young patients with good bone quality are commonly treated using two minimally invasive percutaneous lag screws, followed by unloading of the knee joint. Improved stability could be achieved with the use of a third screw inserted either in the jail-technique fashion or with a triangular support screw configuration. The aim of this study was to investigate under cyclic loading the compliance and endurance of the triangular support fixation in comparison with the standard two lag-screw fixation and the jail technique...
October 2017: Journal of Orthopaedic Translation
https://www.readbyqxmd.com/read/29644296/bilateral-posterior-fracture-dislocation-of-the-shoulder-after-epileptic-seizure
#8
Michele Dario Gurzì, Daniele De Meo, Mattia Pugliese, Luigi Di Giorgio, Pietro Persiani, Ciro Villani
We present a case of a 61 year-old woman who suffered a bilateral posterior fracture-dislocation of the shoulder after an isolated episode of epileptic seizure. The patient was diagnosed at our Emergency department with x-rays and CT scans after being found unconscious. An indication for bilateral shoulder hemiprosthesis implant was initially given. However, given the peculiar pattern of the fracture, the hemiprosthesis was implanted on one side only, while the other side was treated with ORIF with four cannulated screws...
February 2018: Trauma Case Reports
https://www.readbyqxmd.com/read/29618349/3d-printing-based-minimally-invasive-cannulated-screw-treatment-of-unstable-pelvic-fracture
#9
Leyi Cai, Yingying Zhang, Chunhui Chen, Yiting Lou, Xiaoshan Guo, Jianshun Wang
BACKGROUND: Open reduction and internal fixation of pelvic fractures could restore the stability of the pelvic ring, but there were several problems. Minimally invasive closed reduction cannulated screw treatment of pelvic fractures has lots advantages. However, how to insert the cannulated screw safely and effectively to achieve a reliable fixation were still hard for orthopedist. Our aim was to explore the significance of 3D printing technology as a new method for minimally invasive cannulated screw treatment of unstable pelvic fracture...
April 4, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29618344/introduction-of-a-guide-based-on-a-femoral-neck-section-for-fixation-with-multiple-screws-a-cadaveric-study
#10
Qiuliang Zhu, Bin Xu, Jinzhu Lv, Maohua Yan
BACKGROUND: The design and application of assisted instrumentation for internal fixation of femoral neck fractures with multiple screws are still evolving. A novel guide based on a femoral neck section was designed to improve the accuracy of screw placement, and its efficacy was evaluated. METHODS: A guide based on a femoral neck section was designed for assisted fixation of femoral neck fractures with multiple screws. Femoral specimens from 10 adults (20 femurs) underwent assisted internal fixation for a femoral neck fracture with 3 cannulated screws using the new guide technique or conventional technique...
April 4, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29616587/biomechanical-strength-of-retrograde-fixation-in-proximal-third-scaphoid-fractures
#11
Charles A Daly, Allison L Boden, William C Hutton, Michael B Gottschalk
BACKGROUND: Current techniques for fixation of proximal pole scaphoid fractures utilize antegrade fixation via a dorsal approach endangering the delicate vascular supply of the dorsal scaphoid. Volar and dorsal approaches demonstrate equivalent clinical outcomes in scaphoid wrist fractures, but no study has evaluated the biomechanical strength for fractures of the proximal pole. This study compares biomechanical strength of antegrade and retrograde fixation for fractures of the proximal pole of the scaphoid...
April 1, 2018: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/29610971/no-neurovascular-damage-after-creation-of-an-accessory-anteromedial-portal-for-arthroscopic-reduction-and-fixation-of-coronoid-fractures
#12
Paolo Arrigoni, Davide Cucchi, Enrico Guerra, Francesco Luceri, Simone Nicoletti, Alessandra Menon, Pietro Randelli
PURPOSE: Arthroscopic reduction and internal fixation for coronoid process fractures has been proposed to overcome limitations of open approaches. Currently, arthroscopy is most frequently used to assist insertion of a retrograde guide wire for a retrograde cannulated screw. The present anatomical study presents an innovative arthroscopic technique to introduce an antegrade guide wire from an accessory anteromedial portal and evaluates its safety and reproducibility. METHODS: Six fresh-frozen cadaver specimens were obtained and prepared to mimic an arthroscopic setting...
April 2, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29600680/-meta-plate-and-cannulated-screw-fixation-for-treatment-of-type-letenneur-iii-lateral-hoffa-fracture-through-posterolateral-approach
#13
Xiao Lian, Yun-Ji Zeng
OBJECTIVE: To explore clinical effect of meta plate with cannulated screw fixation in treating Letenneur III lateral Hoffa fracture through posterolateral approach. METHODS: From June 2012 to June 2016, 12 patients with Letenneur III lateral Hoffa fracture were treated with meta plate and cannulated screw fixation through posterolateral approach, including 8 males and 4 females;aged from 22 to 66 years with an average of 42 years old;and 5 cases on left side, 7 cases on right side...
March 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29580095/minimal-invasive-fixation-can-decrease-infection-rates-in-diabetic-and-obese-patients-with-severe-ankle-fracture-and-syndesmotic-injury
#14
Nabil A Ebraheim, Matthew Dailey, Scott Huff, Yihuai Qu, Erik White, Jiayong Liu
BACKGROUND: Ankle fractures involving syndesmosis disruption cause severely unstable joint conditions. Traditional invasive operations put certain patient groups at an increased risk of infection. There is limited literature discussing the outcomes of minimally invasive fixation of severe ankle fractures including syndesmotic injury, as clinicians may be tempted to treat these difficult cases with open reduction internal fixation (ORIF). METHODS: A retrospective case-control study was conducted on patients treated at a level one trauma center...
March 1, 2018: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/29576645/anterior-cruciate-ligament-reconstruction-with-tibial-attachment-preserving-hamstring-graft-without-implant-on-tibial-side
#15
Skand Sinha, Ananta Kumar Naik, Mridul Maheshwari, Sumedh Sandanshiv, Durgashankar Meena, Rajendra K Arya
Background: Tibial attachment preserving hamstring graft could prevent potential problems of free graft in anterior cruciate ligament (ACL) reconstruction such as pull out before graft-tunnel healing or rupture before ligamentization. Different implants have been reportedly used for tibial side fixation with this technique. We investigated short-term outcome of ACL reconstruction (ACLR) with tibial attachment sparing hamstring graft without implant on the tibial side by outside in technique...
March 2018: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/29575922/evaluation-of-the-area-of-the-lisfranc-ligament-damaged-by-screw-fixation
#16
Isaac Fernandez, William M Weiss, Vinod K Panchbhavi
BACKGROUND: A cannulated screw is currently the standard fixation method to reduce and stabilize diastasis at the lisfranc joint following injury. Currently, there is no literature examining the area of the lisfranc ligament damaged by screw placement. The objective of this investigation is to define the area of the ligament damaged by fixation with a 3.5-mm cannulated screw. MATERIALS AND METHODS: Twelve cadaveric feet were dissected to identify the Lisfranc ligament metatarsal insertion site and origin on the medial cuneiform...
March 1, 2018: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/29570157/femoral-head-wedge-resection-for-the-treatment-of-avascular-necrosis-of-the-femoral-head-after-pediatric-femoral-neck-fracture-a-case-report
#17
Ha Yong Kim, Yong Han Cha, Won Sik Choy, Sang Wook Jeung, Yeon Seung Min
This research focuses on femoral head wedge resection for the treatment of avascular necrosis (AVN) of the femoral head. A 9-year-old girl presented to the emergency room complaining of right hip pain that occurred after a pedestrian car accident. After 8 months of internal fixation using cannulated screws for Delbet-type 2 fracture of the femoral neck, AVN of the femoral head developed in the patient. Even though valgus-derotation-extension intertrochanteric osteotomy was performed for the treatment of AVN, it progressed further and femoral head wedge resection was performed to recover the femoral head sphericity...
May 2018: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/29569689/open-reduction-and-internal-fixation-in-ao-type-c-distal-humeral-fractures-using-olecranon-osteotomy-functional-and-clinical-results
#18
Zeynel Mert Asfuroğlu, Ulukan İnan, Hakan Ömeroğlu
BACKGROUND: To investigate the outcomes of patients undergoing open reduction and internal fixation with olecranon osteotomy due to AO type13C fractures of the distal humerus. METHODS: Data of 39 patients (mean age, 44.7 years; males, 56.4%) undergoing surgery with the diagnosis of AO type 13C distal humeral fractures were retrospectively evaluated. Patients' demographic characteristics, medical history, and radiological and functional outcomes were recorded. The patients were evaluated at the final follow-up according to the Mayo Elbow Performance Index (MEPI)...
March 2018: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/29551527/isolated-medial-malleolus-fractures-conventional-techniques-versus-headless-compression-screw-fixation
#19
Tugrul Bulut, Merve Gursoy
The aim of the present study was to evaluate the clinical and radiologic results of surgically treated isolated medial malleolar fractures and compare the clinical and radiologic results of the fixation methods of headless cannulated fully threaded compression screws and cancellous lag screws and tension band wiring. We included 32 patients who attended the final follow-up examination. Group 1 consisted of 11 patients (34.4%) treated with headless cannulated fully threaded compression screws. Group 2 consisted of 10 patients (31...
March 15, 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29549016/herbert-cannulated-bone-screw-osteosynthesis-in-anterior-mandibular-fracture-treatment-a-comparative-study-with-lag-screw-and-miniplate
#20
Yehia El-Mahallawy, Haytham Al-Mahalawy
PURPOSE: The Herbert bone screw (HBS) is a successful and minimally invasive method of fracture fixation that is used routinely in orthopedic surgery. The aim of this study was to evaluate the clinical and radiographic performances of the HBS in the treatment of anterior mandibular fractures and compare it with the common and established treatment modalities, the lag screw (LS) and the 2.0-mm miniplate (MP). MATERIALS AND METHODS: This study implemented a randomized clinical trial and enrolled a sample of patients with anterior mandibular fractures...
February 19, 2018: Journal of Oral and Maxillofacial Surgery
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