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https://www.readbyqxmd.com/read/28625687/can-surgeons-reduce-the-risk-for-dislocation-after-primary-total-hip-arthroplasty-performed-using-the-posterolateral-approach
#1
Kurt G Seagrave, Anders Troelsen, Bjørn G Madsen, Henrik Husted, Thomas Kallemose, Kirill Gromov
BACKGROUND: Hip dislocation is one of the most common postoperative complications after total hip arthroplasty (THA). Potential contributors include patient- and surgical-related factors. We performed a retrospective cohort study to identify risk factors for postoperative dislocation in patients receiving THA via the posterolateral approach. METHODS: We assessed 1326 consecutive primary THAs performed between 2010 and 2015. Patient information was documented, and plain radiographic films were used to evaluate cup positioning, hip offset, and hip length change...
May 4, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28610776/two-stage-late-reconstruction-with-a-fresh-large-osteochondral-shell-allograft-transplantation-flocsat-for-a-large-ostechondral-defect-in-a-non-union-after-a-lateral-tibia-plateau-fracture-2-year-follow-up
#2
C Krettek, J Clausen, M Omar, S Noack, C Neunaber
This is the description of a 58-year-old female patient presenting 8 months after a horse riding accident with significant pain and inability to walk independently. Imaging revealed a large osseous defect of the lateral tibia plateau which was not united posteriorly. The patient refused knee replacement and we developed a patient specific two-step procedure for her. Step 1: Filling of the defect with a large cortico-cancellous autograft from the posterior iliac crest; step 2: Transplantation of a fresh large osteochondral shell allograft (FLOCSAT)...
May 17, 2017: Injury
https://www.readbyqxmd.com/read/28580056/a-pictorial-review-of-reconstructive-foot-and-ankle-surgery-elective-lesser-forefoot-procedures
#3
REVIEW
Andrew J Meyr, Laura Sansosti, Sayed Ali
This pictorial review focuses on basic procedures performed within the field of podiatric surgery, specifically for elective procedures of the lesser forefoot including the correction of hammertoes and lesser metatarsal deformities. Our goal is to demonstrate objective radiographic parameters that surgeons utilize to initially define the deformity, lead to procedure selection and judge post-operative outcomes. We hope that radiologists will employ this information to improve their assessment of post-operative radiographs following reconstructive foot surgeries...
November 2016: Journal of Radiology Case Reports
https://www.readbyqxmd.com/read/28579126/forefoot-adduction-is-a-risk-factor-for-jones-fracture
#4
Adam E Fleischer, Rebecca Stack, Erin E Klein, Jeffrey R Baker, Lowell Weil, Lowell Scott Weil
Jones fractures are among the most common fractures of the foot; however, much remains unknown about their etiology. The purpose of the present study was to further examine the risk factors of forefoot and hindfoot alignment on Jones fractures using an epidemiologic study design. We used a retrospective, matched, case-control study design. Cases consisted of patients with acute, isolated Jones fractures confirmed on plain film radiographs seen at our institute from January 2009 to December 2013. Patients presenting with pain unrelated to metatarsal fractures served as controls...
May 31, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28559195/magnitude-of-deformity-correction-may-influence-recovery-of-quadriceps-strength-after-total-knee-arthroplasty
#5
Brian J Loyd, Jason M Jennings, Jason R Falvey, Raymond H Kim, Douglas A Dennis, Jennifer E Stevens-Lapsley
BACKGROUND: Malalignment of the lower extremity is commonly seen in patients with severe osteoarthritis undergoing total knee arthroplasty (TKA) and is believed to play a role in quadriceps strength loss. Deformity correction is typically achieved through surgical techniques to provide appropriate ligamentous balancing. Therefore, this study examined the influence of change in lower extremity alignment on quadriceps strength outcomes after TKA. METHODS: Seventy-three participants (36 male; mean age, 62 years; and mean body mass index, 29...
April 27, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28552646/ultrasound-activated-piezoelectric-p-vdf-trfe-boron-nitride-nanotube-composite-films-promote-differentiation-of-human-saos-2-osteoblast-like-cells
#6
Giada Graziana Genchi, Edoardo Sinibaldi, Luca Ceseracciu, Massimiliano Labardi, Attilio Marino, Sergio Marras, Giorgio De Simoni, Virgilio Mattoli, Gianni Ciofani
Piezoelectric films of poly(vinylidenedifluoride-trifluoroethylene) (P(VDF-TrFE)) and of P(VDF-TrFE)/boron nitride nanotubes (BNNTs) were prepared by cast-annealing and used for SaOS-2 osteoblast-like cell culture. Films were characterized in terms of surface and bulk features, and composite films demonstrated enhanced piezoresponse compared to plain polymeric films (d31 increased by ~80%). Osteogenic differentiation was evaluated in terms of calcium deposition, collagen I secretion, and transcriptional levels of marker genes (Alpl, Col1a1, Ibsp, and Sparc) in cells exposed or not to ultrasounds (US); finally, a numerical model suggested that the induced voltage (~20-60 mV) is suitable for cell stimulation...
May 26, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28550143/kicked-to-touch-hoodwinked-by-torticollis
#7
Ciaran K Mc Donald, Niall Mc Goldrick, Cliodhna Ni Fhoghlu, Fintan Shannon
A 2-year-old girl presented to the emergency department with a 3-day history of a painful stiff neck after getting a kick to her head from her older brother. Her general practitioner had recently started her on oral antibiotics for otitis media. Plain film imaging of her cervical spine on admission revealed anterior subluxation of C2 on C3 suggestive of bifacetal dislocation. Subsequent CT imaging confirmed malalignment of the upper cervical spine. The patient was admitted and worked up with MRI of the cervical spine which unexpectedly revealed a large 4×2 cm retropharyngeal abscess extending from C1 to C4...
May 26, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28533872/plain-x-ray-films-in-soft-tissue-infections
#8
Diogo Carrola Gomes, Luísa Quaresma
No abstract text is available yet for this article.
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28525962/association-of-lunate-morphology-with-carpal-instability-in-scapholunate-ligament-injury
#9
Eric Quan Pang, Nathan Douglass, Robin N Kamal
BACKGROUND: We examined the relationship between lunate morphology (type 1 without a medial facet; type II with a medial facet) and dorsal intercalated segmental instability (DISI) in patients with scapholunate ligament injuries. We tested the primary null hypothesis that there is no relationship between lunate morphology and development of DISI. Secondary analysis compared the agreement of classifying lunate morphology based on the presence of a medial lunate facet, capitate-to-triquetrum (CT) distance, and magnetic resonance imaging (MRI)...
May 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28478929/low-voltage-chest-ct-another-way-to-reduce-the-radiation-dose-in-asbestos-exposed-patients
#10
D Macía-Suárez, E Sánchez-Rodríguez, B Lopez-Calviño, C Diego, M Pombar
AIM: To assess whether low voltage chest computed tomography (CT) can be used to successfully diagnose disease in patients with asbestos exposure. MATERIALS AND METHODS: Fifty-six former employees of the shipbuilding industry, who were candidates to receive a standard-dose chest CT due to their occupational exposure to asbestos, underwent a routine CT. Immediately after this initial CT, they underwent a second acquisition using low-dose chest CT parameters, based on a low potential (80 kV) and limited tube current...
May 4, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28473698/implantable-strain-sensor-to-monitor-fracture-healing-with-standard-radiography
#11
Hunter Pelham, Donald Benza, Paul W Millhouse, Nathan Carrington, Md Arifuzzaman, Caleb J Behrend, Jeffrey N Anker, John D DesJardins
Current orthopaedic clinical methods do not provide an objective measure of fracture healing or weight bearing for lower extremity fractures. The following report describes a novel approach involving in-situ strain sensors to objectively measure fracture healing. The sensor uses a cantilevered indicator pin that responds to plate bending and an internal scale to demonstrate changes in the pin position on plain film radiographs. The long lever arm amplifies pin movement compared to interfragmentary motion, and the scale enables more accurate measurement of position changes...
May 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28449017/a-multifaceted-intervention-to-improve-primary-care-radiology-referral-quality-and-value-in-canterbury
#12
Kieran Holland, Graham McGeoch, Carolyn Gullery
AIMS: This article describes a seven-year multifaceted intervention leading to sustained improvement in primary care radiology referral quality and value in Canterbury, New Zealand, and discusses the transferability to other health systems. METHODS: Access criteria were developed with input from general practitioners and hospital-based specialists, and embedded in locally developed clinical pathways. A referral management service was created to streamline referral processes...
April 28, 2017: New Zealand Medical Journal
https://www.readbyqxmd.com/read/28443169/radiographic-analysis-of-the-lumbosacral-juncture-is-there-a-critical-sacral-angle-for-total-disc-replacement
#13
Rattalerk Arunakul, Melodie Metzger, Linda Kanim, Hyun Bae, Michael Kropf, Rick Delamarter
STUDY DESIGN: Retrospective review of a patient cohort through a prospective study. PURPOSE: To determine whether there are correlations between radiographic measurements, including sacral slope (SS) and pelvic incidence (PI), and self-reported clinical outcomes among single-level L5/S1 ProDisc-L patients. OVERVIEW OF LITERATURE: The lumbosacral juncture presents unique biomechanical challenges with respect to artificial disc replacement (ADR) because of its orientation and consequential shear loading...
April 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/28442859/digital-myopericytoma-a-case-report-and-systematic-literature-review
#14
Alexander Morzycki, Nadim Joukhadar, Amanda Murphy, Jason Williams
A myopericytoma (MP) is an exceedingly rare perivascular tumor of unknown etiology. Given their potential for mimicry and malignancy, MP tumors pose a unique challenge for surgeons and may be overlooked on differential diagnosis. We present a case report of an otherwise healthy 33-year-old right-hand dominant male who presented to our outpatient clinic with a 2-month history of painless swelling and erythema of the pulp of his left index finger. Subsequent plain film X-ray showed near-complete bony destruction of his distal phalanx...
April 2017: Journal of Hand and Microsurgery
https://www.readbyqxmd.com/read/28441280/the-clinical-utility-of-flexion-extension-cervical-spine-mri-in-22q11-2-deletion-syndrome
#15
Samuel E Kolman, Stephanie Y Ohara, Aashim Bhatia, Tamara Feygin, Dino Colo, Keith D Baldwin, Donna Mcdonald-Mcginn, David A Spiegel
BACKGROUND: Our goal is to correlate the findings on flexion and extension radiographs with dynamic magnetic resonance imaging (MRI), and the clinical history, in a nonrandomly selected cohort of patients with 22q11.2 deletion syndrome (22q). METHODS: All patients with the 22q who had a dynamic MRI from January 2004 to March 2015 were included. We analyzed multiple radiographic measurements on both the dynamic plain films and the MRIs, and correlated these findings with a review of each patient's medical record...
April 24, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28437109/structure-of-the-fundamental-lipopeptide-surfactin-at-the-air-water-interface-investigated-by-sum-frequency-generation-spectroscopy
#16
S A Goussous, M T L Casford, A C Murphy, G P C Salmond, F J Leeper, P B Davies
The lipopeptide surfactin produced by certain strains of Bacillus subtilis is a powerful biosurfactant possessing potentially useful antimicrobial properties. In order to better understand its surface behavior, we have used surface sensitive sum frequency generation (SFG) vibrational spectroscopy in the C-H and C═O stretching regions to determine its structure at the air/water interface. Using surfactin with the leucine groups of the peptide ring perdeuterated, we have shown that a majority of the SFG signals arise from the 4 leucine residues...
May 4, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28435492/applying-systems-engineering-reduces-radiology-transport-cycle-times-in-the-emergency-department
#17
Benjamin A White, Brian J Yun, Michael H Lev, Ali S Raja
INTRODUCTION: Emergency department (ED) crowding is widespread, and can result in care delays, medical errors, increased costs, and decreased patient satisfaction. Simultaneously, while capacity constraints on EDs are worsening, contributing factors such as patient volume and inpatient bed capacity are often outside the influence of ED administrators. Therefore, systems engineering approaches that improve throughput and reduce waste may hold the most readily available gains. Decreasing radiology turnaround times improves ED patient throughput and decreases patient waiting time...
April 2017: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28434700/incidence-etiology-and-management-of-type-iii-endoleak-after-endovascular-aortic-repair
#18
Geert Maleux, Lien Poorteman, Annouschka Laenen, Bertrand Saint-Lèbes, Sabrina Houthoofd, Inge Fourneau, Hervé Rousseau
OBJECTIVE: The objective of this study was to retrospectively assess the incidence, etiology, and management of type III endoleaks in a large cohort of patients treated with endovascular aneurysm repair (EVAR) in two European university centers. METHODS: From 1995 until 2014, 965 EVAR procedures were performed with use of first- and second-generation (n = 79) or third-generation (n = 886) endografts. Radiologic follow-up was performed with computed tomography and abdominal plain film examinations in accordance with the European Collaborators on Stent/graft Techniques for aortic Aneurysm Repair (EUROSTAR) scheme...
April 20, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28420912/effectiveness-of-plain-x-ray-in-detection-of-fish-and-chicken-bone-foreign-body-in-upper-aerodigestive-tract
#19
Talha Ahmed Qureshi, Muhammad Sohail Awan, Muntazir Hussain, Muhammad Wasif
OBJECTIVE: To assess the use of plain film radiology in the detection of fish and chicken bones in the upper aerodigestive tract. METHODS: This retrospective chart review was conducted at the Aga Khan University Hospital, Karachi, and comprised medical charts of patients who had undergone oesophagoscopy for removal of fish and chicken bone from 1990 to 2015.SPSS 19 was used for data analysis. RESULTS: Of the 24 patients, foreign body was detected on X-ray in 7(29...
April 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28419292/design-and-testing-of-2-novel-scores-that-predict-global-sagittal-alignment-utilizing-cervical-or-lumbar-plain-radiographs
#20
Ezequiel Goldschmidt, Federico Angriman, Bruno Ferreyro, Nitin Agarwal, James Zhou, Katherine Chen, Zachary J Tempel, Peter C Gerszten, Adam S Kanter, David O Okonkwo, Peter Passias, Justin Scheer, Themistocles Protopsaltis, Virginie Lafage, Renaud Lafage, Frank Schwab, Shay Bess, Chris Ames, Justin S Smith, Douglas Burton, D Kojo Hamilton
BACKGROUND: Global sagittal deformity is an established cause of disability. However, measurements of sagittal alignment are often ignored when patients present with symptoms localizing to the cervical or lumbar spine. OBJECTIVE: To develop scoring scales to predict the risk of sagittal malalignment in patients with only cervical or lumbar spine radiographs. METHODS: A retrospective review of a prospectively maintained multicenter adult spinal deformity database was performed...
April 17, 2017: Neurosurgery
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