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Orthopedic testing

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https://www.readbyqxmd.com/read/28919293/correlation-between-histological-and-ultrasonographic-findings-of-soft-tissue-tumors-to-verify-the-possibility-of-cell-like-resolution-in-ultrasonography
#1
Ching-Lan Wu, Yi-Chen Lai, Hsin-Kai Wang, Paul Chih-Hsueh Chen, Hong-Jen Chiou
BACKGROUND: The purpose of this study is to test the possibility of obtained cell-like resolution in soft tissue tumors on the basis of ultrasound echotexture. METHODS: This is a prospective study consisting of 57 patients (29 females and 28 males, age range: 9-83 years, average age: 44.5 years) with palpable soft tissue mass, referred from the Departments of Orthopedics and Oncology for ultrasound (US)-guided biopsy. The study was approved by the institutional review board (IRB) of our hospital...
September 14, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28904182/finegoldia-magna-isolated-from-orthopedic-joint-implant-associated-infections
#2
Bo Söderquist, Sanna Björklund, Bengt Hellmark, Anders Jensen, Holger Brüggemann
Background: The anaerobic Gram-positive coccus Finegoldia magna is a rare cause of infections of bone and joints. The aim of this study was to describe the microbiological and clinical characteristics of orthopedic implant-associated infections caused by F. magnaMethods: We retrospectively analyzed samples consisting of anaerobic Gram-positive cocci and samples already identified as F. magna from patients with orthopedic infections. The isolates found were determined to species level by MALDI-TOF MS. The antibiotic susceptibility pattern was determined by Etest...
September 13, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28902923/molecular-microbiological-and-clinical-characterization-of-clostridium-difficile-isolates-from-tertiary-care-hospitals-in-colombia
#3
Clara Lina Salazar, Catalina Reyes, Santiago Atehortua, Patricia Sierra, Margarita María Correa, Daniel Paredes-Sabja, Emma Best, Warren N Fawley, Mark Wilcox, Ángel González
In Colombia, the epidemiology and circulating genotypes of Clostridium difficile have not yet been described. Therefore, we molecularly characterized clinical isolates of C.difficile from patients with suspicion of C.difficile infection (CDI) in three tertiary care hospitals. C.difficile was isolated from stool samples by culture, the presence of A/B toxins were detected by enzyme immunoassay, cytotoxicity was tested by cell culture and the antimicrobial susceptibility determined. After DNA extraction, tcdA, tcdB and binary toxin (CDTa/CDTb) genes were detected by PCR, and PCR-ribotyping performed...
2017: PloS One
https://www.readbyqxmd.com/read/28902161/biological-evaluation-of-flexible-polyurethane-poly-l-lactic-acid-composite-scaffold-as-a-potential-filler-for-bone-regeneration
#4
Yuk Fai Lui, Wing Yuk Ip
Degradable bone graft substitute for large-volume bone defects is a continuously developing field in orthopedics. With the advance in biomaterial in past decades, a wide range of new materials has been investigated for their potential in this application. When compared to common biopolymers within the field such as PLA or PCL, elastomers such as polyurethane offer some unique advantages in terms of flexibility. In cases of bone defect treatments, a flexible soft filler can help to establish an intimate contact with surrounding bones to provide a stable bone-material interface for cell proliferation and ingrowth of tissue...
September 13, 2017: Materials
https://www.readbyqxmd.com/read/28899861/quality-initiative-to-introduce-pediatric-venous-thromboembolism-risk-assessment-for-orthopedic-and-surgery-patients
#5
Laura H Brower, Nathalie Kremer, Katie Meier, Christine Wolski, Molly M McCaughey, Emily McKenna, Jennifer Anadio, Emily Eismann, Erin E Shaughnessy
BACKGROUND AND OBJECTIVES: Pediatric hospital-acquired venous thromboembolism (VTE) is costly, has high morbidity, and is often preventable. The objective of this quality-improvement effort was to increase the percentage of general surgery and orthopedic patients ≥10 years of age screened for VTE risk from 0% to 80%. METHODS: At a freestanding children's hospital, 2 teams worked to implement VTE risk screening for postoperative inpatients. The general surgery team used residents and nurse practitioners to perform screening whereas the orthopedic team initially used bedside nursing staff...
September 12, 2017: Hospital Pediatrics
https://www.readbyqxmd.com/read/28891828/poor-performance-on-a-preoperative-cognitive-screening-test-predicts-postoperative-complications-in-older-orthopedic-surgical-patients
#6
Deborah J Culley, Devon Flaherty, Margaret C Fahey, James L Rudolph, Houman Javedan, Chuan-Chin Huang, John Wright, Angela M Bader, Bradley T Hyman, Deborah Blacker, Gregory Crosby
BACKGROUND: The American College of Surgeons and the American Geriatrics Society have suggested that preoperative cognitive screening should be performed in older surgical patients. We hypothesized that unrecognized cognitive impairment in patients without a history of dementia is a risk factor for development of postoperative complications. METHODS: We enrolled 211 patients 65 yr of age or older without a diagnosis of dementia who were scheduled for an elective hip or knee replacement...
September 8, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28888707/the-value-of-laparoscopy-in-the-management-of-chronic-groin-pain
#7
Abdulzahra Hussain, Ihsan Al-Shoek, Ajay Arora, Jonathan Walczak, Shamsi El-Hasani
BACKGROUND: Chronic groin pain problem represents a diagnostic and management challenge. This study is reporting all patients who underwent laparoscopic exploration of the groin and pelvis for undiagnosed chronic groin pain. MATERIALS AND METHODS: A retrospective cohort study. Evaluators were not involved in the operations. Laparoscopic exploration and mesh insertion using Trans-Abdominal Pre-Preitoneal (TAPP) approach was performed for all patients. Follow up in the; clinic at 2 weeks and 6 months was arranged...
September 6, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28885965/olecranon-bursitis-in-a-military-population-epidemiology-and-evidence-for-prolonged-morbidity-in-combat-recruits
#8
Haggai Schermann, Isabella Karakis, Oleg Dolkart, Eran Maman, Assaf Kadar, Ofir Chechik
INTRODUCTION: Olecranon bursitis (OB) is a benign but disturbing condition that may adversely affect a military recruit's combat preparedness. This study was designed to assess incidence, risk factors, and associated medical burden of OB in the Israel Defense Forces. MATERIALS AND METHODS: This is a retrospective study drawing on medical records of all Israel Defense Forces soldiers diagnosed as having OB between 2005 and 2015. OB was classified as septic and noninfectious...
September 2017: Military Medicine
https://www.readbyqxmd.com/read/28885735/the-seating-mechanics-of-head-neck-modular-tapers-in-vitro-load-displacement-measurements-moisture-and-rate-effects
#9
Eric S Ouellette, Aarti A Shenoy, Jeremy L Gilbert
The mechanically-assisted crevice corrosion performance of head-neck modular tapers is a significant concern in orthopedic biomaterials. Fretting crevice corrosion processes in modular tapers are thought to be influenced by a wide array of factors including seating mechanics of the junction, hence there is a need for in vitro test methods that can assess their performance. This study presented a test method to directly measure the load-displacement seating mechanics of modular tapers and used this method to compare the seating mechanics for different tapers, moisture, seating loads and seating rates...
September 8, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28884841/sclerostin-antibody-enhances-bone-formation-in-a-rat-model-of-distraction-osteogenesis
#10
Michelle M McDonald, Alyson Morse, Oliver Birke, Nicole Yc Yu, Kathy Mikulec, Lauren Peacock, Aaron Schindeler, Min Liu, Hua Zhu Ke, David G Little
Neutralizing monoclonal sclerostin antibodies are effective in promoting bone formation at a systemic level and in orthopedic scenarios including closed fracture repair. In this study we examined the effects of sclerostin antibody (Scl-Ab) treatment on regenerate volume, density and strength in a rat model of distraction osteogenesis. Surgical osteotomy was performed on 179 Sprague Dawley rats. After 1 week, rats underwent distraction for 2 weeks, followed by 6 weeks for consolidation. Two treatment groups received biweekly subcutaneous Scl-AbIII (a rodent form of Scl-Ab; 25 mg/kg), either from the start of distraction onwards or restricted to the consolidation phase...
September 8, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28882701/diagnostic-value-of-histone-3-mutations-in-osteoclast-rich-bone-tumors
#11
Erik Nohr, Lik Hang Lee, Justin M Cates, Marco Perizzolo, Doha Itani
Differentiating osteoclast-rich lesions of bone (giant cell tumor of bone [GCTB], chondroblastoma [CBA], and aneurysmal bone cyst [ABC]) can be challenging, especially in small biopsies or fine needle aspirations. Mutations affecting codons 34 and 36 of either H3 Histone Family Member 3A (H3F3A) and/or 3B (H3F3B) are characteristically seen in GCTB and CBAs. We devised a simple assay to identify these mutations and evaluated its applicability for routine clinical diagnosis. 124 tissue specimens from 108 patients (43 GCTBs, 38 CBAs and 27 ABCs) were collected from the archives of the Calgary Laboratory Services/University of Calgary and Vanderbilt University Medical Center...
September 4, 2017: Human Pathology
https://www.readbyqxmd.com/read/28880724/prevalence-of-recent-antimicrobial-exposure-among-elective-surgical-patients
#12
Christopher A Guidry, Robert G Sawyer
BACKGROUND: The annual prevalence of antimicrobial exposure is high in the outpatient setting and should be a common exposure for surgical patients. Antimicrobials have negative side effects and may be associated with poor outcomes. Logically, one would expect surgical patients to be particularly susceptible to any negative effects of recent antimicrobial exposure. Despite these observations, however, the prevalence of recent antimicrobial exposure among surgical patients remains undefined...
September 7, 2017: Surgical Infections
https://www.readbyqxmd.com/read/28879890/evaluation-of-hand-function-in-healthy-individuals-and-patients-undergoing-uninstrumented-central-corpectomy-for-cervical-spondylotic-myelopathy-using-nine-hole-peg-test
#13
Sanil John, Ranjith K Moorthy, Tunny Sebastian, Vedantam Rajshekhar
OBJECTIVES: To evaluate the hand function in healthy individuals and in patients with cervical spondylotic myelopathy (CSM) undergoing central corpectomy using the nine-hole peg test (NHPT). MATERIALS AND METHODS: The NHPT was performed in healthy adults and in patients with CSM; overall, five trials were performed in the right and left hand separately. The preoperative and follow up NHPT score was compared to the normal and correlated with Nurick and modified Japanese Orthopedic Association (mJOA) scales...
September 2017: Neurology India
https://www.readbyqxmd.com/read/28879686/development-of-a-bioactive-porous-collagen-%C3%AE-tricalcium-phosphate-bone-graft-assisting-rapid-vascularization-for-bone-tissue-engineering-applications
#14
Nafiseh Baheiraei, Mohamma Reza Nourani, Sm Javad Mortazavi, Mansoureh Movahedin, Hossein Eyni, Fatemeh Baghery, Mohammad Hadi Norahan
We developed collagen (COL) and collagen/beta tricalcium phosphate (COL/β-TCP) scaffolds with a β-TCP/collagen weight ratio of 4 by freeze-drying. Mouse bone marrow-derived mesenchymal stem cells (BMMSCs) were cultured on these scaffolds for 14 days. Samples were characterized by physicochemical analyses and their biological properties such as cell viability and alkaline phosphatase (ALP) activity was,also, examined. Additionally, the vascularization potential of the prepared scaffolds was tested subcutaneously in Wistar rats...
September 6, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28879606/history-of-clubfoot-treatment-part-iii-twentieth-century-back-to-the-future
#15
REVIEW
Philippe Hernigou
Clubfoot is one of the most common congenital orthopaedic anomalies and was described by Hippocrates in the year 400 BC. From manipulation in antiquity to splint and plaster in the Renaissance the treatment had improved before tenotomy. Many surgical treatments were tested during the nineteenth and twentieth centuries and will be explained in this manuscript; however, the pathology still continues to challenge the paediatric orthopedic surgeon as it has a notorious tendency to relapse, irrespective of whether the foot is treated with conservative or operative means...
September 6, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28878485/non-surgical-relief-of-cervical-radiculopathy-through-reduction-of-forward-head-posture-and-restoration-of-cervical-lordosis-a-case-report
#16
Bret M Wickstrom, Paul A Oakley, Deed E Harrison
[Purpose] To present a case demonstrating the relief of cervical radiculopathy following the dramatic reduction of forward head posture and restoration of the cervical lordosis by use of a multi-modal rehabilitation program incorporating cervical extension traction. [Subject and Methods] A 31-year-old male patient presented with severe cervical radiculopathy and muscle weakness as well as neck pain. The patient had limited neck range of motion, and multiple positive orthopedic tests. Radiography revealed excessive forward head posture with a cervical kyphosis...
August 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28877414/evaluation-of-the-analgesic-and-pharmacokinetic-properties-of-transdermally-administered-fentanyl-in-goats
#17
Megan J Burke, Lawrence R Soma, Raymond C Boston, Jeffery A Rudy, Thomas P Schaer
OBJECTIVE: Evaluate the analgesic properties and pharmacokinetics of transdermal fentanyl patches (TFPs) in goats. DESIGN: Prospective, randomized study. SETTING: Preclinical Testing Facility at a University Teaching Hospital. ANIMALS: Thirty-four adult female Boer-cross goats. INTERVENTIONS: Goats underwent surgery as part of a concurrent orthopedic research study. Twelve hours prior to surgery, each goat received a TFP (target dosage of 2...
September 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28877329/comparison-of-knee-stability-and-synovial-fluid-alterations-in-anterior-cruciate-ligament-reconstruction-with-a-hamstring-autograft-or-an-allograft
#18
Rui Yang, Haiquan Deng, Jingyi Hou, Yi Ouyang, Zhong Chen, Bin Song, Yunfeng Zhou, Weiquan Tan, Weiping Li, Huiyong Shen
This study compared knee stability and alterations in the composition of synovial fluid among patients who underwent arthroscopic anterior cruciate ligament (ACL) reconstruction with either a hamstring autograft or a hamstring allograft. This prospective cohort study enrolled 175 patients. Of these patients, 90 underwent hamstring tendon autograft ACL reconstruction. The remaining patients (n=85) underwent hamstring tendon allograft ACL reconstruction. All of the patients had a minimum of 1 year of follow-up (mean, 2...
September 6, 2017: Orthopedics
https://www.readbyqxmd.com/read/28874976/preliminary-results-of-relationship-between-preoperative-walking-ability-and-magnetic-resonance-imaging-morphology-in-patients-with-lumbar-canal-stenosis-comparison-between-trefoil-and-triangle-types-of-spinal-stenosis
#19
Parisa Azimi, Taravat Yazdanian, Edward C Benzel
STUDY DESIGN: Cross-sectional. PURPOSE: To examine the relationship between magnetic resonance imaging (MRI) morphology stenosis grades and preoperative walking ability in patients with lumbar canal stenosis (LCS). OVERVIEW OF LITERATURE: No previous study has analyzed the correlation between MRI morphology stenosis grades and walking ability in patients with LCS. METHODS: This prospective study included 98 consecutive patients with LCS who were candidates for surgery...
August 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/28874926/craniosacral-therapy-and-visceral-manipulation-a-new-treatment-intervention-for-concussion-recovery
#20
Gail Wetzler, Melinda Roland, Sally Fryer-Dietz, Dee Dettmann-Ahern
Background: Military service members and veterans face health issues related to traumatic brain injury (TBI), especially during combat, use of heavy equipment, and exposures to environmental hazards and explosives. There were 400,000 TBIs reported in deployed U.S. troops in 2012. Athletes are also subject to TBI. Studies have indicated that some manual therapies could be helpful for treating patients who have post-concussive syndrome. Objective: This case series report describes the effects of CranioSacral Therapy (CST), Visceral Manipulation (VM), and Neural Manipulation (NM) modalities for treating patients who have post-concussion syndrome...
August 1, 2017: Medical Acupuncture
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