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https://www.readbyqxmd.com/read/27923763/minimally-invasive-hardware-removal-after-minimally-invasive-distal-radius-plate-osteosynthesis-mipo-feasibility-study-in-a-388-case-series
#1
Pier Luigi Medda, Anne-Sophie Matheron, Juan José Hidalgo Diaz, Nicolas Maire, Paul Vernet, Sybille Facca, Philippe Liverneaux
The aim of the present study was to assess the technical feasibility of minimally invasive volar plate removal following distal radius fracture. 388 plates removed from 387 patients (357 female: mean age, 50 years) were assessed retrospectively. The incision used the primary minimally invasive approach and was closed after plate removal by intradermal continuous suture, without drainage or immobilization. Mean scar size was 22.2mm preoperatively, and the incision was 19.8mm at start and 21.4mm at end of procedure, these differences being non-significant...
December 3, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27921129/-shoulder-endoprosthesis-in-the-elderly-hemiarthroplasty-or-total-shoulder-arthroplasty-anatomic-or-reverse
#2
J Kircher
Implantation of reverse shoulder endoprostheses is becoming more popular for elderly patients besides the well-established standard anatomic endoprostheses. The reasons for this are the increased life expectancy, age-dependent degeneration of the rotator cuff leading to cuff tear arthropathy, posttraumatic disability after failed osteosynthesis and primary reverse fracture arthroplasty. Stemless implants are more frequently used for primary osteoarthritis with the bone quality being the limiting factor. Modern implant systems allow the stepwise extension from bone preserving primary implants to modular and convertible revision implants that allow a partial exchange of components...
December 5, 2016: Der Orthopäde
https://www.readbyqxmd.com/read/27913176/rotary-ultrasonic-bone-drilling-improved-pullout-strength-and-reduced-damage
#3
Vishal Gupta, Pulak M Pandey, Vadim V Silberschmidt
Bone drilling is one of the most common operations used to repair fractured parts of bones. During a bone drilling process, microcracks are generated on the inner surface of the drilled holes that can detrimentally affect osteosynthesis and healing. This study focuses on the investigation of microcracks and pullout strength of cortical-bone screws in drilled holes. It compares conventional surgical bone drilling (CSBD) with rotary ultrasonic bone drilling (RUBD), a novel approach employing ultrasonic vibration with a diamond-coated hollow tool...
November 29, 2016: Medical Engineering & Physics
https://www.readbyqxmd.com/read/27911364/an-intramedullary-locking-nail-for-standardized-fixation-of-femur-osteotomies-to-analyze-normal-and-defective-bone-healing-in-mice
#4
Tina Histing, Michael D Menger, Tim Pohlemann, Romano Matthys, Tobias Fritz, Patric Garcia, Moritz Klein
Bone healing models are essential to the development of new therapeutic strategies for clinical fracture treatment. Furthermore, mouse models are becoming more commonly used in trauma research. They offer a large number of mutant strains and antibodies for the analysis of the molecular mechanisms behind the highly differentiated process of bone healing. To control the biomechanical environment, standardized and well-characterized osteosynthesis techniques are mandatory in mice. Here, we report on the design and use of an intramedullary nail to stabilize open femur osteotomies in mice...
November 13, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27909193/osteotomy-models-the-current-status-on-pain-scoring-and-management-in-small-rodents
#5
Annemarie Lang, Anja Schulz, Agnes Ellinghaus, Katharina Schmidt-Bleek
Fracture healing is a complex regeneration process which produces new bone tissue without scar formation. However, fracture healing disorders occur in approximately 10% of human patients and cause severe pain and reduced quality of life. Recently, the development of more standardized, sophisticated and commercially available osteosynthesis techniques reflecting clinical approaches has increased the use of small rodents such as rats and mice in bone healing research dramatically. Nevertheless, there is no standard for pain assessment, especially in these species, and consequently limited information regarding the welfare aspects of osteotomy models...
December 2016: Laboratory Animals
https://www.readbyqxmd.com/read/27908322/-traumatic-bilateral-posterior-shoulder-dislocation-after-a-seizure
#6
Mazaher Azizpour, Peter Anton Suder, Rebekka Fonnesbæk
We report a rare case in which a 52-year-old man was found lying on the floor of a sauna. He was confused and complained of pain in both shoulders. He had previously had surgery of a benign meningioma. The initial X-ray examination of both shoulders showed bilateral posterior shoulder dislocation, but no fractures were detected. An attempt to reposition the shoulder dislocation was performed but with no success. Intraoperative examination on the next day detected bilateral fractures with partially destroyed joint head...
November 28, 2016: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/27904212/functional-outcome-after-primary-hemiarthroplasty-in-three-or-four-part-proximal-humerus-fracture-a-short-term-followup
#7
Saurabh Agarwal, Ashish Rana, Rajeev K Sharma
BACKGROUND: Several modalities of treatment are being used for the management of proximal humerus fractures. Primary hemiarthroplasty in proximal humerus fracture is indicated in three or four part fracture or fracture dislocations. It is also indicated if fracture involves a large area of articular cartilage loss and viability of head is doubtful. We studied the functional outcome of hemiarthroplasty in comminuted proximal humerus fracture. MATERIALS AND METHODS: 29 patients of three or four part proximal humerus fractures, (according to Neer's classification) who underwent primary shoulder hemiarthroplasty were included in this retrospective study...
November 2016: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/27902169/risk-factors-for-contralateral-hip-fractures-following-femoral-neck-fractures-in-elderly-analysis-of-the-hungarian-nationwide-health-insurance-database
#8
Krisztina Juhász, Imre Boncz, Balázs Patczai, Tibor Mintál, Andor Sebestyén
OBJECTIVES: This study aims to investigate the significance of demographic and clinical factors on incidence of second (contralateral) hip fracture in elderly Hungarian population using the nationwide health insurance database in Hungary. PATIENTS AND METHODS: The study included a total of 3,783 patients (917 males, 2,866 females) treated for primary monotraumatic femoral neck fractures caused by low-energy trauma in the year 2000. Cox regression and Kaplan-Meier survival analyses, and log-rank test were performed to evaluate the following prognostic factors: age, gender, place of living, type of primary fracture and surgical intervention, hospital providing treatment for primary fracture, and comorbidities...
December 2016: Eklem Hastalıkları Ve Cerrahisi, Joint Diseases & related Surgery
https://www.readbyqxmd.com/read/27893561/finite-element-evaluation-of-different-osteosynthesis-variations-that-used-after-segmental-mandibular-resection
#9
Koray Onur Şanal, Bora Özden, Burcu Baş
PURPOSE: The purpose of this study was to evaluate the effect of different reconstruction plates and screw combinations on stress distribution of segmental resected mandibles using finite element analysis. METHODS: Lateral (L) and lateral-central (LC) defects were simulated by a computer aided design modeling. The straight (s) and angular (a) titanium locking reconstruction plates of 2.5 mm (12 holes for L defects and 16 holes for LC defects) were modeled. Each screw was 2...
November 23, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27890690/successful-outcome-with-minimally-invasive-plate-osteosynthesis-for-periprosthetic-tibial-fracture-after-total-knee-arthroplasty
#10
Hee-June Kim, Ki-Chul Park, Joon-Woo Kim, Chang-Wug Oh, Hee-Soo Kyung, Jong-Keon Oh, Kyeong-Hyeon Park, Seong-Dae Yoon
INTRODUCTION: The incidence of periprosthetic fracture after total knee arthroplasty (TKA) is increasing, and treatment is becoming more necessary. In periprosthetic tibial fracture, the stem of the tibial component largely occupies the medullary canal of the proximal tibia, which limits the selection of implants. The purpose of this study was to evaluate the effectiveness of the minimally invasive plate osteosynthesis (MIPO) technique with locking plates for periprosthetic tibial fractures after TKA...
November 24, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27890217/-outcomes-of-minimally-invasive-plate-osteosynthesis-mipo-with-volar-locking-plates-in-distal-radius-fractures-a-review
#11
P Liverneaux, S Ichihara, S Facca, J J Hidalgo Diaz
Minimally invasive plate osteosynthesis (MIPO) has been used in recent years to treat fractures of the distal radius with volar locking plates. Its advantages are the preservation of the pronator quadratus and good esthetics. The MIPO technique was described originally with two incisions: one distal transverse or longitudinal incision and one proximal longitudinal incision. The trend is now to use a single longitudinal incision less than 20mm long. Functional and radiological outcomes are comparable to those of conventional techniques...
December 2016: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/27887876/an-accuracy-study-of-computer-planned-implant-placement-in-the-augmented-maxilla-using-osteosynthesis-screws
#12
L M Verhamme, G J Meijer, A Soehardi, S J Bergé, T Xi, T J J Maal
Previous research on the accuracy of flapless implant placement of virtually planned implants in the augmented maxilla revealed unfavourable discrepancies between implant planning and placement. By using the osteosynthesis screws placed during the augmentation procedure, the surgical template could be optimally stabilized. The purpose of this study was to validate this method by evaluating its clinically relevant accuracy. Twelve consecutive fully edentulous patients with extreme resorption of the maxilla were treated with a bone augmentation procedure...
November 22, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27885409/-simultaneous-surgical-treatment-of-the-long-head-of-the-biceps-tendon-during-operative-treatment-of-proximal-humeral-fractures
#13
M Kerschbaum, M Werth, C Gerhardt, M Scheibel
BACKGROUND: Pathologic conditions of the long biceps tendon can be found within treatment of proximal humeral fractures or as a source of pain after surgery. However, simultaneous surgical treatment at the index surgical intervention is so far not well established. The purpose of this study is to evaluate the results of a simultaneous biceps treatment during plate osteosynthesis of proximal humeral fractures. MATERIALS AND METHODS: Twenty-seven patients were included into this study...
November 24, 2016: Der Unfallchirurg
https://www.readbyqxmd.com/read/27885262/comparison-of-the-effect-on-bone-healing-process-of-different-implants-used-in-minimally-invasive-plate-osteosynthesis-limited-contact-dynamic-compression-plate-versus-locking-compression-plate
#14
Zichao Xue, Haitao Xu, Haoliang Ding, Hui Qin, Zhiquan An
Minimally invasive plate osteosynthesis (MIPO) has been widely accepted because of its satisfactory clinical outcomes. However, the implant construct that works best for MIPO remains controversial. Different plate designs result in different influence mechanisms to blood flow. In this study, we created ulnar fractures in 42 beagle dogs and fixed the fractures using MIPO. The dogs were randomly divided into two groups and were fixed with a limited contact dynamic compression plate (LC-DCP) or a locking compression plate (LCP)...
November 25, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27870691/screw-stripping-after-repeated-cortical-screw-insertion-can-we-trust-the-cancellous-bailout-screw
#15
Meir Marmor, Gudrun Mirick, Amir Matityahu
BACKGROUND: During osteosynthesis standard nonlocking cortical screws often require reinsertion, raising concern over possible decrease in their effectiveness. This study aims to quantify that potential loss of fixation with reinsertions as well as examine the ability of a cancellous "bailout screw" to regain insertion torque in a previously stripped screw hole. METHODS: Four different types of bone surrogates were chosen to represent normal cortical bone, osteoporotic cortical bone, high-density (normal) cancellous bone, and low-density (osteoporotic) cancellous bone; nonlocked 3...
December 2016: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/27867137/minimally-invasive-internal-fixation-of-distal-femur-fractures
#16
REVIEW
Guy Piétu, Mathieu Ehlinger
Fractures of the distal femur remain a daunting challenge. Since 1970, operative treatment has been recommended. Unfortunately it is fraught with complications, and techniques have been developed to limit incidence of non-union, infection and stiffness. A soft-tissue friendly approach is the key point, with minimally invasive surgery as the ultimate goal: its biological and anatomical advantages have; been demonstrated, but clinical studies have been less convincing, being based on historical series. At present, retrograde nailing and minimally invasive percutaneous plate osteosynthesis (ideally by locking plate) are the two main techniques...
November 17, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27866913/minimally-invasive-plate-osteosynthesis-with-philos-plate-for-proximal-humerus-fractures
#17
Uğur Gönç, Mesut Atabek, Kürşat Teker, Altuğ Tanrıöver
OBJECTIVES: The aim of the present study was to evaluate results, including clinical and radiological outcomes and number of complications, following minimally invasive plate osteosynthesis (MIPO) of proximal humerus fractures, using the PHILOS® proximal humerus internal locking system (Synthes Holding AG, Solothurn, Switzerland). METHODS: Retrospectively evaluated were 31 patients treated with MIPO (12 male, 19 female; average age: 58.4 years). Four patients had 2-part fractures, 14 patients had 3-part fractures, and 13 patients had 4-part fractures, according to Neer classification...
November 18, 2016: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/27845294/-antibiotic-sensitivity-resistance-of-microbial-strains-isolated-in-traumatological-department
#18
N Avazashvili, P Imnadze, I Mchedlishvili, Kh Gachechiladze
In this article, there are given data of study for antibiotic sensitivity/resistance of gram-positive and gram-negative representatives of different microbial species, isolated from patients after primary hip replacement and osteosynthesis of long bones, which had post operative infectious complications, and also isolated from samples of traumatology department environment. Identification of sensitivity/resistance to antibiotics was performed with use of two methods - disc diffusion and serial dilution on solid nutrient media...
October 2016: Georgian Medical News
https://www.readbyqxmd.com/read/27843223/treatment-of-atrophic-femoral-non-unions-according-to-the-diamond-concept-results-of-one-and-two-step-surgical-procedure
#19
Arash Moghaddam, Benjamin Thaler, Thomas Bruckner, Michael Tanner, Gerhard Schmidmaier
BACKGROUND: The treatment of non-unions in long bones poses a great challenge, particularly in cases of infection or large osseous defects. This article evaluates the use of the diamond concept in the treatment of femoral non-unions in a one-step or two-step procedure according to the Masquelet technique. PATIENTS AND METHODS: Between February 2010 and March 2014, 88 patients with atrophic femoral non-unions were included in our study. The treatment was performed in one step (Group G1) on 41 patients and in two-step Masquelet technique (Group G2) on 47 patients, according to the diamond concept...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27837209/-operative-treatment-in-orthopedics-and-trauma-surgery-are-more-operations-carried-out-in-germany
#20
P Garcia, C Domnick, G Lodde, M J Raschke
BACKGROUND: Since 2005, when the Diagnosis-Related Group (DRG) system was introduced, an increasing number of surgical procedures have been reported in Germany. In particular, the numbers of elective arthroplasty and spinal surgery procedures have been controversial. OBJECTIVES: The focus of this study was analyzing the development of spinal surgery, arthroplasty, and fracture management. MATERIALS AND METHODS: We analyzed the database for all musculoskeletal operating procedure codes (OPS codes 5‑78 to 5‑86) from 2005 to 2013 collected by the German Federal Statistical Office...
November 11, 2016: Der Unfallchirurg
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