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Tibia fracture

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https://www.readbyqxmd.com/read/28543599/optimization-of-screw-fixation-in-rat-bone-with-extracorporeal-shock-waves
#1
Marianne K E Koolen, Moyo C Kruyt, Amir A Zadpoor, F C Öner, Harrie Weinans, Olav P van der Jagt
Screw fixation in osteoporotic patients is becoming an increasing problem in orthopaedic surgery as deterioration of cortical and cancellous bone hamper biomechanical stability and screw fixation. This might result in delayed weight-bearing or failure of instrumentation. We hypothesized that local peri-operative shock wave treatment can optimize osseointegration and subsequent screw fixation. In eight female Wistar rats, two cancellous and two cortical bone screws were implanted in both femora and tibiae. Immediately after implantation, 3...
May 24, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28540152/epidemiological-clinical-and-microbiological-characteristics-of-patients-with-post-traumatic-osteomyelitis-of-limb-fractures-in-southwest-china-a-hospital-based-study
#2
Jiachen Peng, Youliang Ren, Wenbin He, Zhengdao Li, Jin Yang, Yi Liu, Zhonghui Zheng, Stephen L Kates, Edward M Schwarz, Chao Xie, Youjia Xu
Objective To determine the epidemiological, clinical and microbiological characteristics, of patients with post-traumatic osteomyelitis of extremity fractures, and provide evidence-based guidelines for early diagnosis and treatment, including empiric antibiotic therapy. Methods Human subject research was performed using institutional review board approved protocols. A retrospective chart review was conducted on 5,368 patients diagnosed with extremity traumatic fractures from January 1, 2012 to December 31, 2015, to identify osteomyelitis patients...
2017: J Bone Jt Infect
https://www.readbyqxmd.com/read/28538454/open-tibia-shaft-fractures-and-soft-tissue-coverage-the-effects-of-management-by-an-orthopaedic-microsurgical-team
#3
James VandenBerg, Daniel Osei, Martin I Boyer, Michael J Gardner, William M Ricci, Amanda Spraggs-Hughes, Christopher M McAndrew
OBJECTIVES: To compare the timing of soft-tissue (flap) coverage and occurrence of complications before and after the establishment of an integrated orthopaedic trauma/microsurgical team. DESIGN: Retrospective cohort study. SETTING: A single level 1 trauma center. PATIENTS: Twenty-eight subjects (13 pre- and 15 post-integration) with open tibia shaft fractures (OTA/AO 42A, 42B, and 42C) treated with flap coverage between January 2009 and March 2015...
June 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28538453/does-concurrent-tibial-intramedullary-nailing-and-fibular-fixation-increase-rates-of-tibial-nonunion-a-matched-cohort-study
#4
Michael Githens, Justin Haller, Julie Agel, Reza Firoozabadi
OBJECTIVES: To determine if there is a difference in rates of tibial nonunion in patients undergoing tibial intramedullary (IM) nailing and fibular fixation as compared to a matched cohort undergoing tibial IM nailing alone. DESIGN: Retrospective matched cohort study. SETTING: Single Level 1 academic trauma center. PATIENTS: Consecutive patients 18 years and older with a tibia and fibula fracture treated with tibial IM nailing and fibular fixation who were determined radiographically and clinically healed or had a minimum 1-year follow-up were included...
June 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28538288/the-trajectory-of-short-and-long-term-recovery-of-tibial-shaft-fractures-following-intramedullary-nail-fixation
#5
Sebastian J Ko, Peter J O'Brien, Pierre Guy, Henry M Broekhuyse, Piotr A Blachut, Kelly A Lefaivre
OBJECTIVE: To determine the trajectory of recovery following tibial shaft fracture treated with intramedullary nail over the first five years, and to evaluate the magnitude of the changes in functional outcome at various time intervals. DESIGN: Prospective cohort study. SETTING: A level 1 trauma center. PATIENTS/PARTICIPANTS: 132 patients with tibial shaft fracture (OTA 42-A,B,C) were enrolled into the Center's prospectively enrolled orthopaedic trauma database between January 2005 and February 2010...
May 17, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28538286/any-cortical-bridging-predicts-healing-of-supracondylar-femur-fractures-after-treatment-with-locked-plating
#6
Patrick K Strotman, Madhav A Karunakar, Rachel Seymour, William D Lack
OBJECTIVES: To determine the accuracy and reliability of radiographic cortical bridging criteria in predicting the final healing of supracondylar femur fractures after treatment with locked plating. DESIGN: Retrospective review SETTING:: Two level 1 trauma centers PATIENTS/PARTICIPANTS:: We retrospectively reviewed the records at two level 1 trauma centers for patients who presented with supracondylar femur fractures (AO/OTA 33A, C) and were treated with locking plate fixation between 1/1/2004 and 1/1/2011...
May 17, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28536794/good-clinical-results-can-be-obtained-along-with-reduced-risk-of-tunnel-communication-with-a-new-technique-in-concomitant-meniscus-transplantation-and-acl-reconstruction
#7
Murat Bozkurt, Mesut Tahta, Mustafa Akkaya, Cetin Isik, Safa Gursoy
PURPOSE: The purpose of this study was to introduce our technical modification for concomitant meniscus transplantation and ACL reconstruction with preliminary results of our cases. METHODS: The current study comprised of two sections: first is the cadaveric study of 20 specimens. The distances between tunnel entry and exit points of tunnels for 27 meniscal transplants and ACL reconstruction in CT slices were measured. The second section was evaluation of our cases including six patients...
May 23, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28529014/comparative-prospective-study-between-medial-and-lateral-distal-tibial-locking-compression-plates-for-distal-third-tibial-fractures
#8
Sandeep Garg, Vikram Khanna, Mahaveer Prashad Goyal, Narendra Joshi, Amrut Borade, Ishan Ghuse
PURPOSE: Tibial fracture is the most common long bone fracture. Distal third tibial fractures are challenging though open reduction and plating can result in anatomical reduction and rigid fixation. This paper aimed to evaluate and compare the results of medial and lateral locking compression plates for distal third tibial fractures. METHODS: This prospective clinical study involved 36 patients with distal tibial fractures admitted in Department of Orthopaedics, Sawai Mansingh Medical College & Affiliated Hospital, Jaipur, India, from June 2011 to May 2012, including 29 closed fractures and 7 open fractures at the mean age of 38...
April 14, 2017: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/28528696/reprogramming-of-dermal-fibroblasts-into-osteo-chondrogenic-cells-with-elevated-osteogenic-potency-by-defined-transcription-factors
#9
Yinxiang Wang, Ming-Hoi Wu, May Pui Lai Cheung, Mai Har Sham, Haruhiko Akiyama, Danny Chan, Kathryn S E Cheah, Martin Cheung
Recent studies using defined transcription factors to convert skin fibroblasts into chondrocytes have raised the question of whether osteo-chondroprogenitors expressing SOX9 and RUNX2 could also be generated during the course of the reprogramming process. Here, we demonstrated that doxycycline-inducible expression of reprogramming factors (KLF4 [K] and c-MYC [M]) for 6 days were sufficient to convert murine fibroblasts into SOX9(+)/RUNX2(+) cellular aggregates and together with SOX9 (S) promoted the conversion efficiency when cultured in a defined stem cell medium, mTeSR...
May 15, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28524620/clinical-performance-and-survivorship-of-navigated-floating-platform-mobile-bearing-total-knee-arthroplasty-a-minimum-10-year-follow-up
#10
Sang-Min Kim, Jai-Gon Seo, Seung-Jae Lim, Hyung-Tae Lim, Chang-Ho Cho, Young-Wan Moon
BACKGROUND: The purpose of this study is to report the outcome of navigation-assisted cruciate-retaining total knee arthroplasty (TKA) using one type of cemented, second-generation, floating-platform (FP), mobile-bearing system. METHODS: Forty-two patients who underwent cruciate retaining TKAs using e.motion-FP prostheses under navigational guidance were retrospectively reviewed. The preoperative diagnosis was osteoarthritis in all knees except one rheumatoid arthritis...
May 19, 2017: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/28516218/a-high-fat-diet-can-affect-bone-healing-in-growing-rats
#11
Jéssica Suzuki Yamanaka, Gabriela Rezende Yanagihara, Bruna Leonel Carlos, Júnia Ramos, Brígida Batista Brancaleon, Ana Paula Macedo, João Paulo Mardegan Issa, Antônio Carlos Shimano
A high-fat diet (HFD) can have a negative effect on bone quality in young and old people. Although bone healing in children is normally efficient, there is no evidence that children who have a diet rich in fat have compromised bone fracture regeneration compared with children with recommended dietary fat levels. The purpose of the present study was to evaluate the effects of an HFD on bone healing in growing female rats. Twenty-six postweaning female Wistar rats were divided into two groups (13 animals per group): a standard diet (SD) group and an HFD (with 60% of energy from fat) group...
May 17, 2017: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/28515335/in-situ-bone-tissue-engineering-via-ultrasound-mediated-gene-delivery-to-endogenous-progenitor-cells-in-mini-pigs
#12
Maxim Bez, Dmitriy Sheyn, Wafa Tawackoli, Pablo Avalos, Galina Shapiro, Joseph C Giaconi, Xiaoyu Da, Shiran Ben David, Jayne Gavrity, Hani A Awad, Hyun W Bae, Eric J Ley, Thomas J Kremen, Zulma Gazit, Katherine W Ferrara, Gadi Pelled, Dan Gazit
More than 2 million bone-grafting procedures are performed each year using autografts or allografts. However, both options carry disadvantages, and there remains a clear medical need for the development of new therapies for massive bone loss and fracture nonunions. We hypothesized that localized ultrasound-mediated, microbubble-enhanced therapeutic gene delivery to endogenous stem cells would induce efficient bone regeneration and fracture repair. To test this hypothesis, we surgically created a critical-sized bone fracture in the tibiae of Yucatán mini-pigs, a clinically relevant large animal model...
May 17, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28514526/direct-medial-approach-in-surgical-fixation-of-fractures-in-the-posterior-aspect-of-the-medial-malleolus
#13
Ang Chay-You, Ling Marcus, Koh Joyce Suang-Bee, Howe Tet-Sen
BACKGROUND: Fractures in the posterior aspect of the medial malleolus form an important subset of ankle fractures and the indications for fixation include involvement of > 25% of the articular surface or an articular step off by > 2mm. Several approaches have been described but there has been no recent study on the direct medial approach. METHODS: Five fresh frozen cadaveric ankles were dissected using the direct medial approach. A longitudinal incision of 10cm was centered directly over the medial malleolus and deepened straight down to the bone...
May 17, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28514314/infected-tibia-defect-fractures-treated-with-the-masquelet-technique
#14
Julia Mühlhäusser, Jörg Winkler, Reto Babst, Frank J P Beeres
The treatment after open and infected fractures with extensive soft tissue damage and bone deficit remains a challenging clinical problem. The technique described by Masquelet, using a temporary cement spacer to induce a membrane combined with reconstructive soft tissue coverage, is a possible solution. This study describes the work-up, operative procedure, complications, and the outcome of a homogenous group of patients with an open and infected tibia fracture and segmental bone loss treated with the Masquelet technique (MT)...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28512004/contribution-of-high-resolution-peripheral-quantitative-ct-to-the-management-of-bone-and-joint-diseases
#15
Eric Lespessailles, Nada Ibrahim-Nasser, Hechmi Toumi, Roland Chapurlat
Many imaging modalities have been described to diagnose and monitor osteoporosis (OP), osteoarthritis and inflammatory rheumatic diseases. Over the last ten years, High Resolution peripheral Quantitative Computerized Tomography (HR-pQCT) was shown to be a precise and non invasive technique to study bone and joint diseases in clinical research. It allows the study of both cortical and trabecular bone microarchitecture at the distal tibia and radius, and further applications have been developed such as the study of mechanical properties by the finite element analysis...
May 13, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28511467/chaput-tubercle-fracture-in-an-adult-a-rare-case-report
#16
Pankaj Kumar Mishra, Vikram Patidar, Satya Prakash Singh
Chaput tubercle fracture occurs at the antero-lateral position of the distal tibia in adult as a counterpart of adolescent Tillaux fracture. It is a case of adult male which presented to us with onset of acute pain, swelling and restricted movements of ankle after a road side accident. A clinical diagnosis of Chaput tubercle fracture was established after a CT-scan. The displaced fracture was managed by open reduction and internal fixation by screw. At the end of follow up, the foot and ankle ability score measured...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28503349/medial-malleolar-fractures-an-anatomic-survey-determining-the-ideal-screw-length
#17
P J Labronici, R E Pires, M V Franco, R Freitas, G C Araújo, R S Pires E Albuquerque, V S Gameiro, K Jeray
BACKGROUND: Medial malleolar fractures are frequent, and their treatment is familiar to the orthopedic surgeon. Lag screw fixation using partially threaded screws remains the standard treatment method for medial malleolar fractures. However, the literature lacks a defined method for selecting lag screw length, relying more so on the empiric choice of the surgeon. AIM: The aim of this study is to help define the ideal lag screw length for medial melleolar fracture fixation...
September 2016: Annals of Medical and Health Sciences Research
https://www.readbyqxmd.com/read/28503290/use-of-the-suprapatellar-approach-in-intramedullary-nailing-of-a-multi-fragmentary-dislocated-tibia-fracture-with-a-hypermobile-intermediate-fragment-in-a-young-patient
#18
Patrick Haubruck, Ulf Brunnemer, Arash Moghaddam, Gerhard Schmidmaier
A case of an adolescent female patient who suffered from first grade open multi-fragment fracture of the tibia (AO42-C2) with a large hypermobile intermediate fragment is presented in this case report. Intramedullary nailing of the tibia remains the treatment of choice despite a high risk of malformation and anterior knee pain especially in multi-fragment fractures. Here the suprapatellar approach as a semiextended nailing technique seems favorable. The specialty in our case was an early change of procedures necessary due to persistent swelling during external fixation based on the hypermobile intermediate fragment...
November 17, 2016: Orthopedic Reviews
https://www.readbyqxmd.com/read/28502602/uncontacted-tire-explosion-causing-trauma-to-bilateral-lower-extremities-a-case-report
#19
Ming-Yang Yu, Yun Su, Xiang-Jun Meng, Bo-Wu Luan, Gui-Shan Gu, Qiang Sun, De-Wei Zhao
It is uncommon for tire explosion related injuries on the lower extremity. The bilateral lower extremities were injured by tire explosion when the patient was seated in a bus. She sustained an open fracture with partial bone loss in the right calcaneus (a comminuted fracture in the right ankle joint) and a closed comminuted fracture in the left tibia and fibula. This damage was caused by uncontacted tire explosion, thanks to a thick floor between the exploded tire and the patient's feet. This type of injury on lower extremity caused by uncontacted tire explosion was uncommon...
March 16, 2017: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/28499922/critical-analysis-of-the-lever-test-for-diagnosis-of-anterior-cruciate-ligament-insufficiency
#20
Patrick A Massey, Joshua D Harris, Leland A Winston, David M Lintner, Domenica A Delgado, Patrick C McCulloch
PURPOSE: To critically analyze the "lever test" in detecting anterior cruciate ligament (ACL) tears and to compare its accuracy with the Lachman, anterior drawer (AD), and pivot shift tests. METHODS: From June 2014 to June 2015, 91 subjects were analyzed. Inclusion criteria were subjects aged 16 to 60 years, presenting after a knee injury with subjective swelling, or an objective effusion and an uninjured normal contralateral knee for comparison. Exclusion criteria included previous knee ligamentous reconstruction, fracture of the distal femur or proximal tibia, bilateral knee injuries, or known cruciate ligament tear...
May 9, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
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