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https://www.readbyqxmd.com/read/28822791/acute-unilateral-hip-pain-in-fibrodysplasia-ossificans-progressiva-fop
#1
Frederick S Kaplan, Mona Al Mukaddam, Robert J Pignolo
BACKGROUND: Flare-ups of the hips are among the most feared and disabling complications of fibrodysplasia ossificans progressiva (FOP) and are poorly understood. In order to better understand the nature of hip flare-ups in FOP, we evaluated 25 consecutive individuals with classic FOP (14 males, 11 females; 3-56years old, median age, 17years old) who presented with acute unilateral hip pain. RESULTS: All 25 individuals were suspected of having a flare-up of the hip based on clinical history and a favorable response to a four day course of high-dose oral prednisone...
August 16, 2017: Bone
https://www.readbyqxmd.com/read/28815843/ilizarov-technique-and-limited-surgical-methods-for-correction-of-post-traumatic-talipes-equinovarus-in-children
#2
Xiao Jian Wang, Feng Chang, Yunxing Su, Bin Chen, Jie-Fu Song, Xiao-Chun Wei, Lei Wei
BACKGROUND: The objective of this study was to evaluate the efficacy and safety of using Ilizarov invasive distraction technique combined with limited surgical operations in the treatment of post-traumatic talipes equinovarus in children. METHODS: Eighteen cases of post-traumatic deformed feet in 15 patients who received the treatment of Ilizarov frame application, limited soft-tissue release or osteotomy were selected in this study. After removal of the frame, an ankle-foot orthosis was used continuously for another 6-12 months...
August 16, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28815387/image-guided-surgical-robotic-system-for-percutaneous-reduction-of-joint-fractures
#3
Giulio Dagnino, Ioannis Georgilas, Samir Morad, Peter Gibbons, Payam Tarassoli, Roger Atkins, Sanja Dogramadzi
Complex joint fractures often require an open surgical procedure, which is associated with extensive soft tissue damages and longer hospitalization and rehabilitation time. Percutaneous techniques can potentially mitigate these risks but their application to joint fractures is limited by the current sub-optimal 2D intra-operative imaging (fluoroscopy) and by the high forces involved in the fragment manipulation (due to the presence of soft tissue, e.g., muscles) which might result in fracture malreduction. Integration of robotic assistance and 3D image guidance can potentially overcome these issues...
August 16, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28804984/3d-bioprinting-for-cartilage-and-osteochondral-tissue-engineering
#4
REVIEW
Andrew C Daly, Fiona E Freeman, Tomas Gonzalez-Fernandez, Susan E Critchley, Jessica Nulty, Daniel J Kelly
Significant progress has been made in the field of cartilage and bone tissue engineering over the last two decades. As a result, there is real promise that strategies to regenerate rather than replace damaged or diseased bones and joints will one day reach the clinic however, a number of major challenges must still be addressed before this becomes a reality. These include vascularization in the context of large bone defect repair, engineering complex gradients for bone-soft tissue interface regeneration and recapitulating the stratified zonal architecture present in many adult tissues such as articular cartilage...
August 14, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28797219/unresolving-trismus-following-third-molar-surgery-report-of-a-case-of-fibrodysplasia-ossificans-progressiva-with-review-of-literature
#5
B R Rajanikanth, Kavitha Prasad, K Vineeth, Sushma M N Sonale, Khuteja Al-Kubra
BACKGROUND: Trismus is a problem commonly encountered by the dental practitioner. It has a number of potential causes, and its treatment will depend on the cause. However, there are very few reports of trismus due to fibrodysplasia ossificans progressiva (FOP) following third molar surgery. CLINICAL PRESENTATION: FOP is a rare human genetic disorder with characteristic clinical features like progressive formation of extraskeletal bone or heterotopic ossification and congenital malformation of the great toes...
August 11, 2017: Cranio: the Journal of Craniomandibular Practice
https://www.readbyqxmd.com/read/28781916/nursing-review-section-of-surgical-neurology-international-part-2-lumbar-spinal-stenosis
#6
REVIEW
Nancy E Epstein, Renee D Hollingsworth
BACKGROUND: The lumbar spine includes 5 lumbar vertebral bodies, L1, L2, L3, L4, and L5. At each level, there is a disc space defined by the two bones (vertebral bodies) in the back; for example, there is a disc space at the L5-S1 level etc. The normal front to back (anterior to posterior or AP diameter) measurement of the spinal canal is typically 18-20 mm, but some patients have narrowing called spinal stenosis. METHODS: Lumbar stenosis is defined by two major types...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28774468/knee-joint-kinematics-and-kinetics-during-the-hop-and-cut-after-soft-tissue-artifact-suppression-time-to-reconsider-acl-injury-mechanisms
#7
Kenneth B Smale, Brigitte M Potvin, Mohammad S Shourijeh, Daniel L Benoit
The recent development of a soft tissue artifact (STA) suppression method allows us to re-evaluate the tibiofemoral kinematics currently linked to non-contact knee injuries. The purpose of this study was therefore to evaluate knee joint kinematics and kinetics in six degrees of freedom (DoF) during the loading phases of a jump lunge and side cut using this in silico method. Thirty-five healthy adults completed these movements and their surface marker trajectories were then scaled and processed with OpenSim's inverse kinematics (IK) and inverse dynamics tools...
July 8, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28767568/three-dimensional-virtual-planning-in-precise-chimeric-fibula-free-flap-for-metacarpal-defects-a-case-report
#8
Hui Shen, Xiang-Qian Shen, Ying Lv, Hui Lu, Jing-Hong Xu, Shou-Cheng Wu
RATIONALE: Metacarpal and phalanx defects with soft tissue loss were suggested to be reconstructed by vascularized bone flap. The fibular osteocutaneous flap is a preferred method. Three-dimensional virtual planning has successfully applied in mandibular reconstruction with fibular free flap. We applied three-dimensional virtual planning in precise fibula flap harvest to maintain the continuity of the fibula and to achieve accurate metacarpal and phalanx reconstruction. PATIENT CONCERNS: A 35-year-old male presented with extensive soft tissue defects and first metacarpal defect involving the first metacarpophalangeal joint...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28728303/-enhancing-soft-tissue-reattachment-with-artificial-mesh-in-joint-endoprosthetic-reconstruction-for-bone-tumors
#9
J S Lin, R Chen, W Yan, D D Chen
Objective: To investigate the operative method and clinical application of the BARD(®) Mesh in enhancing joint stability and function of endoprosthetic reconstruction for bone tumors. Methods: From Jan 2013 to Jun 2015, the clinical data of 51 patients aged (44.75±23.18) years underwent wide resection of tumor and endoprosthetic reconstruction using the BARD(®) Mesh were collected. Among them, 27 were male and 24 were female. The surgical treatments received by these patients included 5 shoulder arthroplasties, 12 elbow replacements, 12 hip replacements and 32 knee replacements (including 24 femoral tumors and 8 tibial tumors)...
July 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28728078/femoral-head-necrosis-a-finite-element-analysis-of-common-and-novel-surgical-techniques
#10
Myriam Cilla, Sara Checa, Bernd Preininger, Tobias Winkler, Carsten Perka, Georg N Duda, Matthias Pumberger
BACKGROUND: Femoral head necrosis is a common cause of secondary osteoarthritis. At the early stages, treatment strategies are normally based on core decompression techniques, where the number, location and diameter of the drilling holes varies depending on the selected approach. The purpose of this study was to investigate the risk of femoral head, neck and subtrochanteric fracture following six different core decompression techniques. MATERIALS: Five common and a newly proposed techniques were analyzed in respect to their biomechanical consequences using finite element analysis...
July 6, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28727652/surgical-emphysema-following-canalplasty-for-aural-exostoses
#11
Michael C Baxter, Matthew Keller, Anil Shah, Sean Wise
OBJECTIVE: To describe the presentation and management of surgical emphysema involving the temporomandibular joint and deep neck following exostoses removal. PATIENT: A 60-year-old male surfer presented with hearing loss and recurrent infections in the right ear. An examination revealed obstructing bony exostoses in the right external auditory canal. He underwent right canalplasty using a postauricular approach. At 5 weeks after surgery, he presented with right otalgia, swelling of the right face and neck, and complaints of a squeaking noise in the right ear with mandibular excursions...
September 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28706825/treatment-of-irreducible-traumatic-anterior-shoulder-dislocation-caused-by-subscapularis-tendon-interposition
#12
Maysara Abdelhalim Bayoumy, Hatem G Said, Ayman Farouk Abdelkawi, Tarek N Fetih
Irreducible shoulder dislocation is an uncommon event. When it does occur, blocks to reduction can include bone, labrum, rotator cuff musculature, or tendon. Concomitant rotator cuff tear at the time of initial dislocation is not an exclusive complication of anterior shoulder dislocation in the older population. Indeed, rotator cuff tear should not be excluded based solely on the patient's age. Rotator cuff interposition is not an uncommon complication after anterior dislocation of the shoulder. It should be suspected when there is incongruency of the joint and persistent subluxation on postreduction radiographs...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28706811/surgical-technique-for-arthroscopy-assisted-anatomical-reconstruction-of-acromioclavicular-and-coracoclavicular-ligaments-using-autologous-hamstring-graft-in-chronic-acromioclavicular-joint-dislocations
#13
Bancha Chernchujit, Prashant Parate
Injuries to the acromioclavicular (AC) joint are becoming common with contact sports and bike accidents. It is well known that in AC dislocations, the first structure to fail is the AC capsule followed by the trapezoid and conoid ligaments. The function of these ligaments must be restored to restore the anatomy and physiology of the AC joint to get the best results. Until now, no technique has emerged as the gold standard for restoration of the AC joint anatomy and function. In our technique, the stress is on recreating the anatomy to make it more individualized based on individual variations...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28705427/invasive-disease-by-streptococcus-pyogenes-patients-hospitalized-for-6-years
#14
Vanessa Arias-Constantí, Victoria Trenchs-Sainz de la Maza, Nuria Elvira Sanz-Marcos, Carmina Guitart-Pardellans, Amadeu Gené-Giralt, Carles Luaces-Cubells
INTRODUCTION AND OBJECTIVE: The last years an increase of severe cases of invasive disease (ID) due to Streptococcus pyogenes or streptococcus b-hemolytic group A (SGA) had been detected. The aim of this study was to analyze the epidemiology and the clinical features of ID due to SGA in a tertiary Pediatric Hospital. MATERIAL AND METHODS: Retrospective study in a Pediatric hospital, of all in-patients with final diagnosis of ID due to SGA during 6 years (2009-2014)...
July 10, 2017: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/28697082/primary-posterior-blade-plate-tibiotalar-arthrodesis-a-salvage-procedure-for-complex-nonreconstructable-pilon-fractures
#15
Ermias Abebe, Dana J Farrell, Boris Zelle, Gary Gruen
A subset of C2/C3 pilon fractures, open pilon injuries, metaphyseal bone comminution, and those involving substantial soft tissue or vascular injury may be nonreconstructable. Such injuries are at risk of progress to nonunion and failing open reduction internal fixation (ORIF). The risk of infection, malunion, and nonunion is relatively high with such injury patterns. In such cases, tibiotalar arthrodesis is performed after ORIF fails as a salvage procedure. Overall, the literature agrees that all pilon fractures will develop posttraumatic osteoarthritis, and these patients are ultimately treated with an arthrodesis or in narrow population with total ankle arthroplasty...
August 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28690520/extraskeletal-chondroma-of-the-index-finger-a-case-report
#16
Masato Saito, Kazumasa Nishimoto, Robert Nakayama, Kazutaka Kikuta, Masaya Nakamura, Morio Matsumoto, Hideo Morioka
Extraskeletal chondroma is defined as a rare, benign, cartilaginous tumor arising from soft tissues such as tendons, tendon sheath synovia, and joint capsules with no continuity to the periosteum or bone cortex. In histopathologic findings, the tumor exhibits many lobular structures and some parts similar to hyaline cartilage. Therefore, it is sometimes difficult to differentiate this tumor from low-grade chondrosarcoma because of their similar histopathologic findings. In order to prevent recurrence, it is necessary to remove the tumor as a whole, including the capsule, so as not to leave any remnants of the tumor...
May 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28680670/finite-element-modelling-of-mechanobiological-factors-influencing-sesamoid-tissue-morphology-in-the-patellar-tendon-of-an-ostrich
#17
Kyle P Chadwick, Sandra J Shefelbine, Andrew A Pitsillides, John R Hutchinson
The appearance and shape of sesamoid bones within a tendon or ligament wrapping around a joint are understood to be influenced by both genetic and epigenetic factors. Ostriches (Struthio camelus) possess two sesamoid patellae (kneecaps), one of which (the distal patella) is unique to their lineage, making them a good model for investigating sesamoid tissue development and evolution. Here we used finite-element modelling to test the hypothesis that specific mechanical cues in the ostrich patellar tendon favour the formation of multiple patellae...
June 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28674752/-operative-access-for-treatment-of-pilon-fractures
#18
REVIEW
K Klaue
BACKGROUND: Under optimal conditions, fractures of the tibial pilon can be definitively managed operatively within 6 h after the trauma. Under suboptimal conditions, preoperative antiphlogistic treatment, possibly after approximate correction and external fixation of the alignment, is a reasonable option. Osteosynthesis implies reconstruction of good joint congruency in anatomical orientation. The soft tissue coverage of the distal lower leg is relatively poorly constructed and there is a high risk of devascularization, necrosis and ensuing infection...
July 3, 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/28668413/comparison-of-3d-bone-models-of-the-knee-joint-derived-from-ct-and-3t-mr-imaging
#19
Aleš Neubert, Katharine J Wilson, Craig Engstrom, Rachel K Surowiec, Anthony Paproki, Nicholas Johnson, Stuart Crozier, Jurgen Fripp, Charles P Ho
PURPOSE: To examine whether magnetic resonance (MR) imaging can offer a viable alternative to computed tomography (CT) based 3D bone modeling. METHODS: CT and MR (SPACE, TrueFISP, VIBE) images were acquired from the left knee joint of a fresh-frozen cadaver. The distal femur, proximal tibia, proximal fibula and patella were manually segmented from the MR and CT examinations. The MR bone models obtained from manual segmentations of all three sequences were compared to CT models using a similarity measure based on absolute mesh differences...
August 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28651457/metallosis-in-a-dog-as-a-long-term-complication-following-total-hip-arthroplasty
#20
Mallory J DiVincenzo, Galit H Frydman, Michael P Kowaleski, Charles R Vanderburg, Barry Lai, Trisha J Oura, Samuel H Jennings
Metallosis is the accumulation of metallic debris in soft tissues resulting from wear following total joint replacement. A dog was evaluated for lameness 4 years after total hip arthroplasty using a titanium alloy and cobalt chromium total hip system. Radiographs revealed severe acetabular component wear, implant-bone interface deterioration, and peri-acetabular osteolysis. During surgical revision, black periarticular tissue surrounded the implants. Histologically, there was fibrosis and granulomatous inflammation with abundant, intra- and extracellular, black, granular material and smaller amounts of clear punctate to acicular material...
January 1, 2017: Veterinary Pathology
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