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Orthopedic testing

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https://www.readbyqxmd.com/read/28096579/intrathecal-ropivacaine-with-or-without-tramadol-for-lower-limb-orthopedic-surgeries
#1
Rashmi Salhotra, Medha Mohta, Deepti Agarwal, Ashok K Sethi
BACKGROUND AND AIM: Preservative free tramadol has been used as an adjuvant to intrathecal bupivacaine. However, the effect of the addition of tramadol on intrathecal isobaric ropivacaine has never been studied. MATERIAL AND METHODS: This prospective, randomized, double-blind study was conducted in 50 adult male American Society of Anesthesiologists grade I or II patients, aged 18-60 years, being operated for unilateral femur fractures. An epidural catheter was inserted in L2-L3 interspace and subarachnoid block was given in L3-L4 space...
October 2016: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/28087218/relationship-among-motor-function-adl-disability-and-psychological-concerns-in-elderly-people-with-locomotive-disorders
#2
Toshiyuki Miyawaki, Keigo Kumamoto, Kaori Shimoda, Fusae Tozato, Tsutomu Iwaya
BACKGROUND: Locomotive disorders are one of the main causative pathologies for the condition requiring assistance on activities of daily living (ADL). Although psychological concerns such as feeling of depression and anxiety are prevalent in elderly people, the causal relation among motor function, ADL disability, and psychological concerns is controversial. PURPOSE: Purpose of this study was to investigate causal relationship among motor function, ADL disability, and psychological concerns in elderly people with locomotive disorders...
January 10, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28075437/comparison-of-irrigation-times-using-gravity-and-high-pressure-lavage
#3
Stefano Muscatelli, Andrea Howe, Nathan N O'Hara, Robert V O'Toole, Sheila A Sprague, Gerard P Slobogean
The benefits of high-pressure pulsatile lavage for open fracture irrigation have been controversial based on conflicting experimental animal research. Recently published data definitively demonstrated that irrigation pressure does not affect the incidence of reoperation for the treatment of open fractures. However, proponents of pulsatile lavage argue a faster irrigation time is an important benefit of the high-pressure treatment. The purpose of this study was to determine the difference in irrigation time between gravity and high-pressure lavage...
January 11, 2017: Orthopedics
https://www.readbyqxmd.com/read/28073074/tribocorrosion-behavior-of-bio-functionalized-highly-porous-titanium
#4
F Toptan, A C Alves, A M P Pinto, P Ponthiaux
Titanium and its alloys are widely used in orthopedic and dental implants, however, some major clinical concerns such as poor wear resistance, lack of bioactivity, and bone resorption due to stress shielding are yet to be overcome. In order to improve these drawbacks, highly porous Ti samples having functionalized surfaces were developed by powder metallurgy with space holder technique followed by anodic treatment. Tribocorrosion tests were performed in 9g/L NaCl solution using a unidirectional pin-on-disc tribometer under 3N normal load, 1Hz frequency and 4mm track diameter...
January 4, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28060831/using-automated-hba1c-testing-to-detect-diabetes-mellitus-in-orthopedic-inpatients-and-its-effect-on-outcomes
#5
Elif I Ekinci, Alvin Kong, Leonid Churilov, Natalie Nanayakkara, Wei Ling Chiu, Priya Sumithran, Frida Djukiadmodjo, Erosha Premaratne, Elizabeth Owen-Jones, Graeme Kevin Hart, Raymond Robbins, Andrew Hardidge, Douglas Johnson, Scott T Baker, Jeffrey D Zajac
AIMS: The prevalence of diabetes is rising, and people with diabetes have higher rates of musculoskeletal-related comorbidities. HbA1c testing is a superior option for diabetes diagnosis in the inpatient setting. This study aimed to (i) demonstrate the feasibility of routine HbA1c testing to detect the presence of diabetes mellitus, (ii) to determine the prevalence of diabetes in orthopedic inpatients and (iii) to assess the association between diabetes and hospital outcomes and post-operative complications in orthopedic inpatients...
2017: PloS One
https://www.readbyqxmd.com/read/28043311/acromion-types-and-role-of-corticosteroid-with-shoulder-impingement-syndrome
#6
Muhammad Akram, Syed Faraz Ul Hassan Shah Gillani, Faheem Mubashir Farooqi, Syed Muhammad Awais
OBJECTIVE: To determine the association between shoulder impingement and morphological characteristics of acromion and the role of sub-acromial injection of methylprednisolone in the short-term treatment for relieving pain and improve functional disability of these patients. STUDY DESIGN: A descriptive study. PLACE AND DURATION OF STUDY: Department of Orthopedic Surgery and Traumatology Unit-I (DOST-I), Mayo Hospital, Lahore, between November 2013 to June 2014...
December 2016: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28038688/biomechanical-evaluation-of-a-growth-friendly-rod-construct
#7
Sarah Galvis, Josh Arnold, Erin Mannen, Benjamin Wong, Hadley Sis, Eileen Cadel, John Anderson, Dennis Anderson, Paul Arnold, Elizabeth Friis
BACKGROUND: Distraction-type rods mechanically stabilize the thorax and improve lung growth and function by applying distraction forces at the rib, spine, pelvis, or a combination of locations. However, the amount of stability the rods provide and the amount the thorax needs is unknown. METHODS: Five freshly frozen and thawed cadaveric thoracic spine specimens were tested for lateral bending, flexion/extension, and axial rotation in displacement control (1°/sec) to a load limit of ±5 Nm for five cycles after which a growth-friendly unilateral rod was placed in a simulated rib-to-lumbar attachment along the right side...
January 2017: Spine Deformity
https://www.readbyqxmd.com/read/28032712/relationship-between-the-patellar-ridge-and-the-femoral-trochlea-in-the-patellar-tracking
#8
Xiao-Meng Wang, Hui-Xin Liu, Jing-Hui Niu, Gu-Man Duan, Fei Wang
OBJECTIVE: To investigate the anatomic morphology of the patellar ridge and how it matches the femoral trochlea in patellar tracking. METHOD: We selected 40 volunteers, 20 males (age, 28 ± 5 years) and 20 female (age, 27 ± 6 years), who were completely asymptomatic with normal knee structures. We measured the right or left legs of volunteers, and the region from the distal femur to the tibial tuberosity was scanned by computed tomography (CT) with flexion at 0°, 30°, 60°, and 90°...
November 2016: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28032036/effect-of-introducing-an-online-system-on-the-follow-up-of-elbow-arthroplasty
#9
Jetske Viveen, Ante Prkic, Bertram The, Koen L M Koenraadt, Denise Eygendaal
AIM: To evaluate the effect of introducing a structured online follow-up system on the response rate. METHODS: Since June 2015 we have set up an electronic follow-up system for prosthesis in orthopedic patients. This system allows prospective data gathering using both online and paper questionnaires. In the past all patients received questionnaires on paper. This study includes only patients who received elbow arthroplasty. Response rates before and after introduction of the online database were compared...
December 18, 2016: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28029708/comparison-of-maximum-force-to-failure-of-4-thoracostomy-tube-connecting-devices
#10
Ιoannis Psathas, Lysimachos G Papazoglou, Dimitrios Bikiaris, Ioannis Savvas, Georgios Kazakos, Eleni Basdani
OBJECTIVE: To compare the maximum force and displacement to failure of 4 different types of thoracostomy tube connecting devices. STUDY DESIGN: Experimental in vitro study. STUDY POPULATION: Four types of thoracostomy tube connecting devices (n = 10 each). METHODS: Four different connecting device configurations (10 constructs each) were tested by maximum distraction to failure using a dynamometer: (1) CTTWW-a 3-way connector with a male luer slip attached to a thoracostomy tube by a Christmas tree adapter and secured to the tube with 21 gauge orthopedic wire; (2) CTTWRCW-a 3-way connector with a male luer lock with a rotating collar attached to a tube by a Christmas tree adapter and secured to the tube with 21 gauge orthopedic wire; (3) LVSBC-a Lopez valve attached to a tube with its short-barbed connector; and (4) LVLBC-a Lopez valve attached to a tube with its long-barbed connector...
December 28, 2016: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28027387/impact-of-smoking-cessation-counseling-prior-to-total-joint-arthroplasty
#11
Sina Akhavan, Long-Co Nguyen, Vanessa Chan, Jamal Saleh, Kevin J Bozic
Perioperative smoking has been linked to surgical complications including poor wound healing, infection, myocardial infarction, prolonged length of stay, need for mechanical ventilation, and death. This study evaluated the effectiveness of preoperative counseling on smoking cessation for patients undergoing elective total joint arthroplasty. Thirty smokers with hip or knee osteoarthritis seeking hip or knee replacement surgery were enrolled prospectively. Interventions included counseling, referrals to smoking cessation programs including the California Smokers' Helpline and the Fontana Tobacco Treatment Program, nicotine replacement therapy (NRT), or instructing patients quit through the "cold turkey" method of abstinence...
December 27, 2016: Orthopedics
https://www.readbyqxmd.com/read/28025728/semiautomatic-classification-of-acetabular-shape-from-three-dimensional-ultrasound-for-diagnosis-of-infant-hip-dysplasia-using-geometric-features
#12
Abhilash Rakkunedeth Hareendranathan, Dornoosh Zonoobi, Myles Mabee, Chad Diederichs, Kumaradevan Punithakumar, Michelle Noga, Jacob L Jaremko
PURPOSE: Developmental dysplasia of the hip (DDH) is a congenital deformity which in severe cases leads to hip dislocation and in milder cases to premature osteoarthritis. Image-aided diagnosis of DDH is partly based on Graf classification which quantifies the acetabular shape seen at two-dimensional ultrasound (2DUS), which leads to high inter-scan variance. 3D ultrasound (3DUS) is a promising alternative for more reliable DDH diagnosis. However, manual quantification of acetabular shape from 3DUS is cumbersome...
December 26, 2016: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28024637/effect-of-ca-p-ratio-on-the-structural-and-corrosion-properties-of-biomimetic-cap-coatings-on-zk60-magnesium-alloy
#13
Kada Xia, Hui Pan, Taolei Wang, Shangjun Ma, Junchao Niu, Zhen Xiang, Yiming Song, Huawei Yang, Xiaoshan Tang, Wei Lu
Magnesium and its alloys have attracted much attention as metallic biodegradable implants for their excellent biocompatibility and mechanical properties. However, magnesium has a poor corrosion resistance, causing its rapid degrading in vivo via an electrochemical reaction, which has become a major obstacle to their applications in implants. In this work, CaP coating was successfully coated on the ZK60 magnesium alloys by a simple hydrothermal deposition method. The mechanisms of the hydrothermal reactions of CaP coatings on Mg substrate are described in details...
March 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28012912/bone-tissue-response-induced-by-bioactive-polymer-functionalized-ti6al4v-surfaces-in-vitro-and-in-vivo-study
#14
Helena P Felgueiras, Adeline Decambron, Mathieu Manassero, Louise Tulasne, Margaret D M Evans, Véronique Viateau, Véronique Migonney
Ti6Al4V is commonly used for orthopedic applications. This study was designed to test the potentially added benefit of Ti6Al4V functionalized with a bioactive polymer poly(sodium styrene sulfonate) both in vitro and in vivo. Cell-based assays with MC3T3-E1 osteoblast-like cells were used to measure the cell adhesion strength, cell spreading, focal contact formation, cell differentiation and the mineralization of extracellular matrix on grafted and ungrafted Ti6Al4V discs in combination with FBS and collagen type I...
December 18, 2016: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28001358/additively-manufactured-and-surface-biofunctionalized-porous-nitinol
#15
Z Gorgin Karaji, M Speirs, S Dadbakhsh, J-P Kruth, H Weinans, A A Zadpoor, S Amin Yavari
Enhanced bone tissue regeneration and improved osseointegration are among the most important goals in design of multifunctional orthopedic biomaterials. In this study, we used additive manufacturing (selective laser melting) to develop multifunctional porous nitinol that combines superelasticity with a rationally designed microarchitecture and biofunctionalized surface. The rational design based on triply periodic minimal surfaces aimed to properly adjust the pore size, increase the surface area (thereby amplifying the effects of surface biofunctionalization), and resemble the curvature characteristics of trabecular bone...
January 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27999721/improvements-in-knee-extension-strength-are-associated-with-improvements-in-self-reported-hip-function-following-arthroscopy-for-femoroacetabular-impingement-syndrome
#16
Chelseana C Davis, Thomas J Ellis, Ajit K Amesur, Timothy E Hewett, Stephanie Di Stasi
BACKGROUND: Recovery of strength is critical for return to sport, and is a known predictor of functional outcomes in post-surgical orthopedic populations. Muscle weakness is a known impairment in patients with femoroacetabular impingement syndrome (FAIS) but whether improvements in muscle strength after arthroscopy are associated with improved hip function is unknown. HYPOTHESIS/PURPOSE: To examine the relationships between changes in hip and thigh muscle strength and self-reported function in athletes undergoing arthroscopy for FAIS...
December 2016: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/27995484/metal-hypersensitivity-reactions-to-orthopedic-implants
#17
REVIEW
Wendy Z W Teo, Peter C Schalock
Total hip and knee replacement surgery using metal alloy devices is common. Type IV allergic reactions to these implants occur, though infrequently. While uncommon, peri-implant metal allergic reactions may cause significant morbidity for the affected individual-including aseptic loosening, pseudotumor formation and frank device failure. It is challenging to predict who will have these reactions, even in those with established pre-implant metal allergy. At this time, the scientific literature clearly supports few conclusions...
December 19, 2016: Dermatology and Therapy
https://www.readbyqxmd.com/read/27994720/repair-potential-of-matrix-induced-bone-marrow-aspirate-concentrate-and-matrix-induced-autologous-chondrocyte-implantation-for-talar-osteochondral-repair-patterns-of-some-catabolic-inflammatory-and-pain-mediators
#18
Giovanna Desando, Isabella Bartolotti, Francesca Vannini, Carola Cavallo, Francesco Castagnini, Roberto Buda, Sandro Giannini, Massimiliano Mosca, Erminia Mariani, Brunella Grigolo
OBJECTIVE: The low regenerative potential of cartilage contributed to the development of different cell therapies aimed to improve the clinical outcome in young patients with Osteochondral Lesions of the Talus (OLT). This study is designed to assess the regenerative potential of autologous matrix-induced Bone Marrow Aspirate Concentrate (mBMAC) and matrix-induced Autologous Chondrocyte Implantation (mACI) evaluating, on a small number of osteochondral biopsies, the expression of some catabolic, inflammatory, and pain mediators...
January 2017: Cartilage
https://www.readbyqxmd.com/read/27993504/ir-and-the-sunshine-act-two-year-analysis-of-the-open-payments-database-and-comparison-with-related-specialties
#19
Amanjit S Baadh, Palvir K Baadh, Shahidul Islam, Douglas S Katz
PURPOSE: To characterize medical industry-based payments made to US-based interventional radiology (IR) physicians, identify trends in compensation, and compare their payment profile with those of other related specialties, including vascular surgery (VS) and interventional cardiology (IC). Payments made to orthopedic surgery (OS) physicians are reported as a historical control. MATERIALS AND METHODS: For each group, the total payment number, amount, and mean and median numbers and amounts were calculated...
December 16, 2016: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/27987831/development-and-characterization-of-a-bioglass-chitosan-composite-as-an-injectable-bone-substitute
#20
Parastoo Khoshakhlagh, Sayed Mahmood Rabiee, Gita Kiaee, Pedram Heidari, Amir K Miri, Roshanak Moradi, Fathollah Moztarzadeh, Roya Ravarian
SiO2-CaO-P2O5 based bioglass (BG) systems constitute a group of materials that have wide applications in bone implants. Chitosan (Cn) is a biocompatible and osteoconductive natural polymer that can promote wound healing. In this study, bioactivity of chitosan/bioglass (CnB) composites as minimally invasive bone regenerative materials was assessed both in vitro and in vivo. Injectability tests and scanning electron microscopy (SEM) results demonstrated the formation of uniform injectable paste-like composites using BG particles and Cn...
February 10, 2017: Carbohydrate Polymers
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