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Cannulated screws

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https://www.readbyqxmd.com/read/28431804/prognostic-value-of-dynamic-mri-positive-enhancement-integral-color-mapping-in-osteosynthesis-of-undisplaced-femoral-neck-fractures
#1
Masatoshi Morimoto, Yoshinori Takahashi, Takahiro Kubo, Kosuke Sugiura, Yasuaki Tamaki, Shunichi Toki, Katsuyoshi Suganuma, Kazumasa Inoue, Keisuke Adachi, Takashi Chikawa, Koichi Sairyo, Akihiro Nagamachi
AIMS: The common treatment for an undisplaced femoral neck fracture is osteosynthesis. Two major complications of osteosynthesis are non-union and late collapse of the femoral head. We speculated that femoral head perfusion is one of the most important factors that affect the outcome of osteosynthesis after femoral neck fracture. We have preoperatively estimated femoral head perfusion by dynamic MRI positive enhancement integral color mapping (PEICM). The purpose of this study was to evaluate the outcomes of undisplaced femoral neck fractures based on PEICM...
April 18, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28428920/surgical-strategy-and-techniques-for-low-profile-dorsal-plating-in-treating-dorsally-displaced-unstable-distal-radius-fractures
#2
Yoshitaka Hamada, Hiroyuki Gotani, Naohito Hibino, Yoshitaka Tanaka, Ryousuke Satoh, Kousuke Sasaki, Thepparat Kanchanathepsak
Background The low-profile dorsal locking plating (DLP) technique is useful for treating dorsally comminuted intra-articular distal radius fractures; however, due to the complications associated with DLP, the technique is not widely used. Methods A retrospective review of 24 consecutive cases treated with DLP were done. Results All cases were classified into two types by surgical strategy according to the fracture pattern. In type 1, there is a volar fracture line distal to the watershed line in the dorsally displaced fragment, and this type is treated by H-framed DLP...
May 2017: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/28422889/an-in-vitro-biomechanical-evaluation-of-an-expansive-double-threaded-bi-directional-compression-screw-for-fixation-of-type-ii-odontoid-process-fractures-a-squire-compliant-article
#3
Ning Liu, Li Tian, Rong-Xian Jiang, Chao Xu, Lei Shi, Wei Lei, Yang Zhang
Odontoid process fracture accounts for 5% to 15% of all cervical spine injuries, and the rate is higher among elderly people. The anterior cannulated screw fixation has been widely used in odontoid process fracture, but the fixation strength may still be limited under some circumstances. This study aims to investigate the biomechanical fixation strength of expansive double-threaded bi-directional compression screw (EDBCS) compared with cannulated lag screw (CLS) and improved Herbert screw (IHS) for fixation of type II odontoid process fracture...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28416835/-polymethylmethacrylate-augmentation-of-bone-cement-injectable-cannulated-pedicle-screws-was-used-to-treat-degenerative-lumbar-scoliosis-with-osteoporosis
#4
H L Sun, C D Li, X W Li, X D Yi, H Liu, H L Lu, H Li, Z R Yu, Y Wang
OBJECTIVE: To describe the application of polymethylmethacrylate (PMMA) augmentation of cement-injectable cannulated pedicle screws for the treatment of degenerative lumbar scoliosis with osteoporosis. METHODS: Retrospective cohort study was used to compare cement injectable cannulated pedicle screws (CICPs) group with PMMA augmentation and control group with traditional method in the correction surgery for Lenke-silva level III and level IV degenerative scoliosis cases with osteoporosis...
April 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28416826/-surgical-technique-and-early-clinical-outcomes-of-direct-anterior-approach-to-total-hip-arthroplasty
#5
M Lv, J Q Zhang, X S Wang, Y Huang, W Li, C Y Zhang
OBJECTIVE: To describe the surgical technique of direct anterior approach to total hip arthroplasty and to report the early clinical outcomes. METHODS: A series of 100 consecutive, unselected patients who had 116 primary total hip arthroplasty surgeries (16 bilateral) done through direct anterior approach from March 11 2015 to June 21 2016 was reviewed. There were 50 male patients and 50 female patients. The average patient age was 51 years, and the average body mass index was 24...
April 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28409100/arthroscopic-technique-for-treatment-of-schatzker-type-iii-tibia-plateau-fractures-without-fluoroscopy
#6
Afsar T Ozkut, Oguz S Poyanli, Ersin Ercin, Kaya Akan, Irfan Esenkaya
Accurate reduction and maintenance of the stability with correct implant positioning is critical for surgical treatment of tibial plateau fractures. Our technique includes an arthroscopic reduction and fixation of Schatzker type III tibial plateau fractures with a bulls-eye screw placement without fluoroscopy control. With the arthroscopic guidance, an anterior cruciate ligament drill guide is placed and a K-wire sent to the midpoint of the depressed fragment through the guide at a 40° angle to the coronal axis of the tibia...
February 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28400870/a-prospective-cohort-study-of-the-therapeutic-patterns-challenges-and-outcomes-of-paediatric-femoral-fractures-in-a-cameroonian-tertiary-center
#7
Joel Noutakdie Tochie, Marc Leroy Guifo, Marie-Ange Ngo Yamben, Roger Moulion, Ibrahim Farikou
BACKGROUND: Knowledge of the therapeutic patterns, challenges and outcomes of treatment of paediatric femoral fractures (PFF) helps to better choose the ideal therapeutic modality which is still controversial. However, this data is scarce in the sub-Saharan African literature. OBJECTIVE: To determine the therapeutic patterns, treatment challenges and outcomes of treatment of PFF in a tertiary care centre in Cameroon. METHOD: We conducted a prospective cohort study of all consenting consecutive cases of femoral fractures in patients younger than 16 years managed between 2011 and 2015 at the surgical unit of Yaoundé University Teaching Hospital, Cameroon...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28397554/sauv%C3%A3-kapandji-procedure-with-headless-compression-screw-in-patients-with-rheumatoid-arthritis
#8
Atsushi Maeda, Taku Suzuki, Masaki Hasegawa, Takashi Kuroiwa, Kanae Shizu, Katsuhiko Hayakawa, Takashi Tsuji, Katsuji Suzuki, Harumoto Yamada
OBJECTIVE: We examined the surgical outcomes of the Sauvé-Kapandji (S-K) procedure using a headless compression screw and a metal cancellous screw in patients with rheumatoid arthritis (RA). METHODS: This retrospective study included 41 RA patients who underwent the S-K procedure for distal radioulnar joint disorders with two screws: headless compression screws (HCS group, n = 20) and cannulated cancellous screws (CCS group, n = 21). Clinical and radiographic outcomes were assessed 1 year after surgery...
April 11, 2017: Modern Rheumatology
https://www.readbyqxmd.com/read/28391429/femoral-neck-fracture-osteosynthesis-by-the-biplane-double-supported-screw-fixation-method-bdsf-reduces-the-risk-of-fixation-failure-clinical-outcomes-in-207-patients
#9
Orlin Filipov, Karl Stoffel, Boyko Gueorguiev, Christoph Sommer
INTRODUCTION: Osteosynthesis of femoral neck fractures is related up to 46% rate of complications. The novel method of biplane double-supported screw fixation (BDSF; Filipov's method) offers better stability using three medially diverging cannulated screws with two of them buttressed on the calcar. Biomechanically, the most effective component is the distal screw placed at steeper angle and supported on a large area along the distal and posterior cortex of the femoral neck following its spiral anterior curve...
April 8, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28296225/treatment-of-medial-malleolus-or-pure-deltoid-ligament-injury-in-patients-with-supination-external-rotation-type-iv-ankle-fractures
#10
Xu Wang, Chao Zhang, Jian-Wen Yin, Chen Wang, Jia-Zhang Huang, Xin Ma, Cheng-Wei Wang, Xue Wang
OBJECTIVE: To investigate the effect of internal fixation on postoperative ankle function in patients with supination-external rotation type IV ankle fractures, including medial malleolus fractures and deltoid ligament injury. METHODS: Between January 2012 and June 2014, patients with medial structure injuries were enrolled in this study and assigned to the medial malleolus fracture group or the deltoid ligament group. The surgical procedures for the two groups were documented...
February 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28295122/epiphysiodesis-screw-bending
#11
Brett M Normandin, David J Tennent, Todd H Baldini, Alesia M Blanchard, Jason T Rhodes
Percutaneous epiphysiodesis using transphyseal screws is a common method for treatment of limb length discrepancy and angular deformity. The authors report 3 cases of a previously unreported complication following treatment with percutaneous epiphysiodesis using transphyseal screws: bending of the transphyseal screw. In each case, this rare complication was associated with difficult removal of the screw. This retrospective case report accessed the medical records of 3 children, 2 boys and 1 girl, 9 to 14 years old...
March 14, 2017: Orthopedics
https://www.readbyqxmd.com/read/28293333/percutaneous-cannulated-compression-screw-osteosynthesis-in-phalanx-fractures-the-surgical-technique-the-indications-and-the-results
#12
Eirini Liodaki, Tobias Kisch, Eike Wenzel, Peter Mailänder, Felix Stang
Objective: Fractures of metacarpals and phalanges are very common fractures, and there are a lot of treatment modalities. The purpose of the study was to describe the technique of percutaneous fixation of phalangeal fractures using a cannulated compression screw fixation system and its results. Methods: We conducted a prospective clinical study on 43 patients with different types of phalangeal fractures undergoing a percutaneous cannulated compression screw osteosynthesis. Parameters such as average operation time and clinical outcome were evaluated postoperatively...
2017: Eplasty
https://www.readbyqxmd.com/read/28271090/intrapelvic-protrusion-of-a-broken-guide-wire-fragment-during-fixation-of-a-femoral-neck-fracture
#13
Ahmadreza Afshar
During fixation of a femoral neck fracture in a 23-year-old male patient with cannulated screws, a broken guide wire fragment inadvertently advanced through the hip joint and protruded into the pelvis. A second surgical approach was needed to remove the broken fragment from the pelvis. Awareness of such a potentially devastating complication will make surgeons more cautious during implementation of orthopedic instruments and increases patient's safety during surgery.
January 2017: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/28270223/biomechanical-characteristics-of-fixation-methods-for-floating-pubic-symphysis
#14
Wenhao Song, Dongsheng Zhou, Yu He
BACKGROUND: Floating pubic symphysis (FPS) is a relatively rare injury caused by high-energy mechanisms. There are several fixation methods used to treat FPS, including external fixation, subcutaneous fixation, internal fixation, and percutaneous cannulated screw fixation. To choose the appropriate fixation, it is necessary to study the biomechanical performance of these different methods. The goal of this study was to compare the biomechanical characteristics of six methods by finite element analysis...
March 7, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28256384/osteosynthesis-using-cannulated-headless-herbert-screws-in-mandibular-angle-fracture-treatment-a-new-approach
#15
Jürgen Wallner, Knut Reinbacher, Matthias Feichtinger, Mauro Pau, Georg Feigl, Franz Quehenberger, Katja Schwenzer-Zimmerer, Wolfgang Zemann
INTRODUCTION: Fractures of the mandibular angle are a common type of facial skull fracture. Although operative treatment includes a wide range of fixation techniques, a definite gold standard method has yet to be established. Headless, cannulated Herbert screws, often used in many forms of minimally invasive trauma surgery, provide functional and stable fracture fixation. MATERIALS AND METHODS: In a prospective, double-randomised, controlled, parallel-group - designed, in vitro trial, the biomechanical behaviour of the Herbert bone screw system was compared to that of a conventional locking plate system in 40 mandibular angle fractures of human mandible cadaver phantoms...
February 6, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28255659/an-intact-fibula-may-contribute-to-allow-early-weight-bearing-in-surgically-treated-tibial-plateau-fractures
#16
Ion Carrera, Pablo Eduardo Gelber, Gaetan Chary, Mireia Gomez Masdeu, Miguel A González Ballester, Juan Carlos Monllau, Jerome Noailly
PURPOSE: The role of the proximal tibiofibular joint (PTFJ) in tibial plateau fractures is unknown. The purpose of this study was to assess, with finite-element (FE) calculations, differences in interfragmentary movement (IFM) in a split fracture of lateral tibial plateau, with and without intact fibula. It was hypothesized that an intact fibula could positively contribute to the mechanical stabilization of surgically reduced lateral tibial plateau fractures. METHODS: A split fracture of the lateral tibial plateau was recreated in an FE model of a human tibia...
March 3, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28219089/arthroscopic-treatment-of-isolated-hoffa-fractures
#17
Ersin Ercin, Emre Baca, Cemal Kural
The goal of this study was to evaluate the results of a novel method, arthroscopic fixation of isolated Hoffa fractures.This is a prospective, case series and set at Level 1 trauma center. A total of eight patients with isolated Hoffa fractures who were operated by arthroscopic screw fixation method in the anterior posterior direction with 6.5 mm cannulated screws were followed up prospectively. Same surgical method used for all patients. All patients underwent the same rehabilitation program and active range of motion (ROM) exercises were started immediately...
February 20, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28207655/internally-randomized-control-trial-of-radiation-exposure-using-ultra-low-radiation-imaging-versus-traditional-c-arm-fluoroscopy-for-patients-undergoing-single-level-minimally-invasive-transforaminal-lumbar-interbody-fusion
#18
Timothy Y Wang, S Harrison Farber, Scott S Perkins, Adam G Back, Sarah A Byrd, Debbie Chi, David Vincent, Isaac O Karikari
STUDY DESIGN: Randomized controlled trial. OBJECTIVE: To compare radiation exposure between ultra-low radiation imaging (ULRI) with image enhancement and standard-dose fluoroscopy for patients undergoing minimally invasive transforaminal lumbar interbody fusion (MIS TLIF). SUMMARY OF BACKGROUND DATA: Although the benefits of MIS are lauded by many, there is a significant amount of radiation exposure to surgeon and operating room personnel...
February 15, 2017: Spine
https://www.readbyqxmd.com/read/28205482/trans-metacarpal-screw-fixation-for-extra-articular-proximal-phalangeal-base-fractures
#19
Eichi Itadera, Takahiro Yamazaki
We developed a new internal fixation method for extra-articular fractures at the base of the proximal phalanx using a headless compression screw to achieve rigid fracture fixation through a relatively easy technique. With the metacarpophalangeal joint of the involved finger flexed, a smooth guide-pin is inserted into the intramedullary canal of the proximal phalanx through the metacarpal head and metacarpophalangeal joint. Insertion tunnels are made over the guide-pin using a cannulated drill. Then, a headless cannulated screw is placed into the proximal phalanx...
March 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28161230/-slipped-capital-femoral-epiphysis
#20
C Klein, E Haraux, J Leroux, R Gouron
Slipped capital femoral epiphysis (SFCE) is a disorder of the hip, characterized by a displacement of the capital femoral epiphysis from the metaphysic through the femoral growth plate. The epiphysis slips posteriorly and inferiorly. SCFE occurs during puberty and metabolic and epidemiologic risk factors, such as obesity are frequently found. Most chronic slips are diagnosed late. Sagittal hip X-rays show epiphysis slip. In case of untreated SCFE, a slip progression arises with an acute slip risk. Treatment is indicated to prevent slip worsening...
February 1, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
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