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https://www.readbyqxmd.com/read/28720091/clinical-and-imaging-outcome-of-osteochondral-lesions-of-the-talus-treated-using-autologous-matrix-induced-chondrogenesis-technique-with-a-biomimetic-scaffold
#1
Domenico Albano, Nicolò Martinelli, Alberto Bianchi, Carmelo Messina, Francesco Malerba, Luca Maria Sconfienza
BACKGROUND: The purpose of our study was to assess the clinical and imaging outcome of autologous matrix-induced chondrogenesis (AMIC) technique consisting of microfractures followed by the filling of osteochondral lesions of the talus (OLTs) with a cell-free biphasic collagen-hydroxyapatite osteochondral scaffold (MaioRegen). METHODS: Sixteen patients (eight males, age: 42.6 ± 18.4, range 14-74) with OLT repaired using AMIC technique, with implantation of MaioRegen, were clinically evaluated through the American Orthopedic Foot and Ankle Society Score (AOFAS) and a 10-point Visual Analogue Scale (VAS) pain score after a mean follow-up of 30 ± 16...
July 18, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28713730/application-of-orthodontic-immediate-force-on-dental-implants-histomorphologic-and-histomorphometric-assessment
#2
Mansour Rismanchian, Sayed Hamid Raji, Sayed Mohammad Razavi, Danesh Teimouri Rick, Amin Davoudi
AIMS: Application of force to implants is helpful, especially in orthodontic-implant therapies. The aim of this study was a histomorphologic and histomorphometric evaluation of peri-implant bone after immediate orthodontic and orthopedic forces comparing them with a control group. MATERIALS AND METHODS: Eighteen dental titanium implants were inserted in the premolar region of three dogs. Implants were divided into three groups: (1) group with immediate orthodontic force of 300 NC, (2) group with immediate orthopedic force of 600 NC, and (3) control group...
January 2017: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28713525/orthopedic-in-training-examination-question-metrics-and-resident-test-performance
#3
John Mason DePasse, Jack Haglin, Adam E M Eltorai, Mary K Mulcahey, Craig P Eberson, Alan H Daniels
First administered in November 1963, the orthopedic in-training examination (OITE) is now distributed to more than 4000 residents in over 20 countries and has become important for evaluation of resident fund of knowledge. Several studies have assessed the effect of didactic programs on resident performance, but only recently has it become possible to assess detailed testtaking metrics such as time spent per question. Here, we report the first assessment of resident OITE performance utilizing this full electronic dataset from two large academic institutions...
June 23, 2017: Orthopedic Reviews
https://www.readbyqxmd.com/read/28712796/electrosurgery-induced-damage-to-ti-6al-4v-and-cocrmo-alloy-surfaces-in-orthopedic-implants-in%C3%A2-vivo-and-in%C3%A2-vitro
#4
Gregory W Kubacki, Shiril Sivan, Jeremy L Gilbert
BACKGROUND: Recent observations of specific metal damage patterns on retrieved total joint implants implied a cellular origin and was termed inflammatory cell-induced (ICI) corrosion. Although ICI corrosion continues to present a potential damage source for metallic biomaterials surfaces, an alternate source of some damage patterns may arise from electrosurgery instruments in total joint arthroplasty. METHODS: To characterize electrosurgically-induced damage patterns on metal implants, a model system of highly polished CoCrMo and Ti-6Al-4V disks and commercial electrosurgical generator was evaluated in various modes and power settings using monopolar and bipolar configurations...
June 17, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28712686/using-touch-surgery-to-improve-surgical-education-in-low-and-middle-income-settings-a-randomized-control-trial
#5
Gisele Juru Bunogerane, Kathryn Taylor, Yihan Lin, Ainhoa Costas-Chavarri
BACKGROUND/OBJECTIVE: There is a severe surgical workforce shortage in Rwanda. Innovative educational tools must be introduced to train more residents and increase surgical capacity. Touch Surgery (TS) is a smartphone application that offers trainees the opportunity to practice operations; however, its effect is unknown in low- and middle-income countries. Our objectives were to determine the training effect of TS and its feasibility for use in surgery education in a low-resource setting...
July 13, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28711563/application-of-neurite-orientation-dispersion-and-density-imaging-or-diffusion-tensor-imaging-to-quantify-the-severity-of-cervical-spondylotic-myelopathy-and-assess-postoperative-neurological-recovery
#6
Genki Okita, Tetsuro Ohba, Tomohiro Takamura, Shigeto Ebata, Ryo Ueda, Hiroshi Onishi, Hirotaka Haro, Masaaki Hori
BACKGROUND CONTEXT: Surgical outcome and the severity of cervical spondylotic myelopathy (CSM) are unpredictable and cannot be estimated by conventional anatomical MRI. The utility of diffusion tensor imaging (DTI) to quantify the severity of CSM and assess postoperative neurological recovery has been investigated. However, whether conventional DTI should be applied in a clinical setting remains controversial. Neurite orientation dispersion and density imaging (NODDI) is a recently introduced model-based diffusion-weighted MRI technique that quantifies specific microstructural features related directly to neuronal morphology...
July 12, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28711310/acquired-heterotopic-ossification-of-the-temporomandibular-joint
#7
REVIEW
L G Mercuri, B M Saltzman
Although the risk factors and diagnosis of heterotopic ossification (HO) are discussed in the orthopedics literature, the etiology of HO, as well as its prevention and management, remain theoretical. Furthermore, there is a lack of information in the literature regarding HO in temporomandibular joint replacement (TMJR). This article provides a qualitative review of information relative to the etiology, diagnosis, and management of HO to inform and encourage further investigation in TMJR. The orthopedic HO literature considered for this qualitative review was drawn from a comprehensive examination of the subject published previously by one of the authors...
July 12, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28709794/performance-of-patient-reported-outcomes-measurement-information-system-promis-upper-extremity-ue-versus-physical-function-pf-computer-adaptive-tests-cats-in-upper-extremity-clinics
#8
Casey M Beleckas, Alex Padovano, Jason Guattery, Aaron M Chamberlain, Jay D Keener, Ryan P Calfee
PURPOSE: To examine the performance of the Patient-Reported Outcomes Measurement Information System (PROMIS) Upper Extremity (UE) Function Computer Adaptive Test (CAT) relative to the PROMIS Physical Function (PF) CAT in patients seeking specialty care for upper extremity conditions. METHODS: This observational trial analyzed prospectively collected PROMIS UE and PF CAT scores from 5,202 adult patients with 10,344 outpatient clinic visits presenting to a tertiary orthopedic clinic...
July 11, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28709788/making-sense-of-metal-allergy-and-hypersensitivity-to-metallic-implants-in-relation-to-hand-surgery
#9
REVIEW
Thomas J Christensen, Shefali A Samant, Alexander Y Shin
All metals implanted into a biological system undergo some degree of corrosion depending upon its composition. The electrochemical process of corrosion produces free metal ions, which may activate the host's immune system through a variety of mechanisms. Whereas dermal metal hypersensitivity is common, affecting 10% to 15% of the population, the immune reaction from implanted metals is much less common (< 0.1%), but has been associated with metal allergy and hypersensitivity producing a multitude of patient symptoms...
July 11, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28708567/%C3%AE-defensin-point-of-care-test-for-diagnosis-of-prosthetic-joint-infections-neglected-role-of-laboratory-and-clinical-pathologists
#10
REVIEW
Lorenzo Drago, Marco Toscano, Lorenza Tacchini, Giuseppe Banfi
Periprosthetic joint infection (PJI) is a serious complication that may occur after native joint replacement leading to a severe health and economic burden. Currently, due to several confounding factors, PJI is difficult to diagnose. Today, a multidisciplinary approach is indispensable to correctly define a periprosthetic joint infection; indeed, tissue histology, microbiology cultures and clinical findings are used together to achieve this goal. Analysis of α-defensin is commonly used for PJI diagnosis, as it allows the rapid detection of α-defensin present in the synovial fluid following a microbial infection...
July 14, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28705189/a-biomechanical-comparison-of-conventional-dynamic-compression-plates-and-string-of-pearls%C3%A2-locking-plates-using-cantilever-bending-in-a-canine-ilial-fracture-model
#11
Allison R Kenzig, James R Butler, Lauren B Priddy, Kristen R Lacy, Steven H Elder
BACKGROUND: Fracture of the ilium is common orthopedic injury that often requires surgical stabilization in canine patients. Of the various methods of surgical stabilization available, application of a lateral bone plate to the ilium is the most common method of fixation. Many plating options are available, each having its own advantages and disadvantages. The purpose of this study was to evaluate the biomechanical properties of a 3.5 mm String-of-Pearls™ plate and a 3.5 mm dynamic compression plate in a cadaveric canine ilial fracture model...
July 13, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28704622/assessment-of-psychometric-properties-of-various-balance-assessment-tools-in-persons-with-cervical-spondylotic-myelopathy
#12
Alice Y Y Chiu, Marco Y C Pang
Study Design Clinical measurement; cross-sectional, repeated measures. Background Persons with cervical spondylotic myelopathy (CSM) are known to have balance impairments. The psychometric properties of various balance assessment tools have not been evaluated in this population. Objective To examine the floor and ceiling effects, item difficulty and item discrimination index, internal consistency, reliability, and validity of the Balance Evaluation Systems Test (BESTest), Mini-BESTest, Brief-BESTest and Berg balance scale (BBS) in persons with CSM...
July 13, 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28698836/copper-as-an-alternative-antimicrobial-coating-for-implants-an-in-vitro-study
#13
Claudia Bergemann, Sarah Zaatreh, Katharina Wegner, Kathleen Arndt, Andreas Podbielski, Rainer Bader, Cornelia Prinz, Ulrich Lembke, J Barbara Nebe
AIM: To investigate osteoconductive and antimicrobial properties of a titanium-copper-nitride (TiCuN) film and an additional BONIT(®) coating on titanium substrates. METHODS: For micro-structuring, the surface of titanium test samples was modified by titanium plasma spray (TPS). On the TPS-coated samples, the TiCuN layer was deposited by physical vapor deposition. The BONIT(®) layer was coated electrochemically. The concentration of copper ions released from TiCuN films was measured by atomic absorption spectrometry...
June 24, 2017: World Journal of Transplantation
https://www.readbyqxmd.com/read/28698016/the-timing-and-importance-of-motor-skills-course-in-knee-arthroscopy-training
#14
Engin Çetinkaya, Hakan Çift, Ahmet Aybar, Ersin Erçin, Gamze Babür Güler, Oğuz Poyanlı
OBJECTIVES: The aim of this prospective study is to evaluate the impact of the simulation training program in learning duration of arthroscopic motor skills. Furthermore, we investigated the difference between junior and experienced residents in the improvement of arthroscopic motor skills duration. METHODS: We established 2 study groups according to participants' year of experience in orthopedic residency with junior group residents with three years or less than three years experience as group 1 and experienced group with over 3 years of experience as group 2...
July 8, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/28691891/incidence-of-oxa-23-and-oxa-58-carbapenemases-coexpressed-in-clinical-isolates-of-acinetobacter-baumannii-in-tunisia
#15
Najla Mathlouthi, Yomna Ben Lamine, Rania Somai, Sophia Bouhalila-Besbes, Sofiane Bakour, Jean-Marc Rolain, Chedly Chouchani
Acinetobacter baumannii is an important opportunistic and multidrug-resistant pathogen responsible for nosocomial infections in health facilities. The aim of this study was to characterize the molecular mechanisms of carbapenem resistance in A. baumannii isolates isolated from Mohamed Kassab Orthopedic Institute in Tunis, Tunisia. Twenty-five imipenem-resistant A. baumannii clinical isolates collected between 2013 and 2016 were identified using API 20NE and were confirmed by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF/MS)...
July 10, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28688967/personality-factors-associated-with-resident-performance-results-from-12-accreditation-council-for-graduate-medical-education-accredited-orthopaedic-surgery-programs
#16
Donna Phillips, Kenneth A Egol, Martine C Maculatis, Kathryn S Roloff, Alan M Friedman, Brett Levine, Steven Garfin, Alexandra Schwartz, Robert Sterling, Thomas Kuivila, Steve J Paragioudakis, Joseph D Zuckerman
OBJECTIVES: To understand the personality factors associated with orthopedic surgery resident performance. DESIGN: A prospective, cross-sectional survey of orthopedic surgery faculty that assessed their perceptions of the personality traits most highly associated with resident performance. Residents also completed a survey to determine their specific personality characteristics. A subset of faculty members rated the performance of those residents within their respective program on 5 dimensions...
July 5, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28688798/place-of-the-reposition-flap-in-the-treatment-of-distal-amputations-of-the-fingers
#17
Mohamed Ali Sbai, Mayssa El M'chirgui, Riadh Maalla, Adel Khorbi
PURPOSE: Distal finger amputations pose a therapeutic problem with the distal fragment quality. Reimplantation remains the reference treatment for functional and aesthetic recovery of the hand. The interest of this study is to propose the reposition flap as an alternative to different hedging techniques in the proximal stump, in many situations where revascularization is impossible. It consists in osteosynthesis of the bone fragment and its coverage by a pedicled local flap. METHODS: The technique of reposition flap was evaluated retrospectively between 2003 and 2016 through a study of 13 patients compiled in Nabeul orthopedic department...
June 19, 2017: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/28688170/influence-of-orthopedic-reinforced-gloves-versus-double-standard-gloves-on-contamination-events-during-small-animal-orthopedic-surgery
#18
Galina Hayes, Ameet Singh, Tom Gibson, Noel Moens, Michelle Oblak, Adam Ogilvie, Debbie Reynolds
OBJECTIVE: To determine the influence of orthopedic reinforced gloves on contamination events during small animal orthopedic surgery. STUDY DESIGN: Prospective randomized controlled trial SAMPLE POPULATION: Two hundred and thirty-seven pairs of orthopedic gloves (474 gloves) and 203 pairs of double standard gloves (812 gloves) worn during 193 orthopedic procedures. METHODS: Primary and assistant surgeons were randomized to wear either orthopedic reinforced gloves or double gloves...
July 8, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28684099/an-analysis-of-the-most-commonly-tested-topics-and-their-taxonomy-from-recent-self-assessment-examinations
#19
Chad A Krueger, Sean Moroze, Andrew S Murtha, Jessica C Rivera
OBJECTIVE: The purpose of this study is to determine the most commonly tested topics and the question taxonomy of the American Academy of Orthopaedic Surgeons Self-Assessment Examinations (SAE) from 2009 through 2014. DESIGN: All SAEs were analyzed from 2009 through 2014. The SAEs were separated by subject and the questions of each SAE were analyzed for topic, taxonomic classification, and question type. RESULTS: A total of 2107 questions were reviewed from 10 different subjects...
July 3, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28676593/the-relationship-between-food-insecurity-and-esophageal-and-gastric-cancers-a-case-control-study
#20
Milad Daneshi-Maskooni, Mahtab Badri-Fariman, Nahal Habibi, Ahmadreza Dorosty-Motlagh, Hashem Yavari, Arvin Kashani, Mostafa Hosseini
BACKGROUND: Food insecurity is defined as the limited or uncertain availability of enough food for permanent active and healthy life. Upper gastrointestinal (GI) cancers (esophagus and stomach) are one of five most common cancers in Iran. This study aimed to determine the association of food insecurity and upper GI cancers in newly diagnosed patients. STUDY DESIGN: Case-control study. METHODS: Overall, 120 patients with upper GI cancers as cases and 120 patients with orthopedic, ear-nose-throat (ENT), and neurologic diseases as controls were recruited from Imam Khomeini Hospital, Tehran, Iran in 2013...
June 14, 2017: Journal of Research in Health Sciences
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