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https://www.readbyqxmd.com/read/29117840/very-distal-radius-wedge-osteotomy-for-kienb%C3%A3-ck-s-disease-case-series
#1
Hirotaka Okubo, Chojo Futenma, Hideyuki Sunagawa, Masaki Kinjo, Fuminori Kanaya
BACKGROUND: Radius osteotomy is one of the standard surgical procedures for the treatment of Kienböck's disease. Unfortunately, radius osteotomy can result in an incongruous distal radio-ulnar joint (DRUj) postoperatively, because the procedure is performed proximal to the DRUj. METHODS: A very distal radius wedge osteotomy was performed as a 15-degree lateral closing wedge osteotomy with the apex of the wedge distal to that of conventional lateral closing wedge osteotomy; this procedure was developed to avoid postoperative incongruous DRUj...
December 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/29114890/total-septal-perforation-repair-with-a-pericranial-flap-radio-anatomical-and-clinical-findings
#2
Isam Alobid, Cristóbal Langdon, Mauricio López-Chacon, Joaquim Enseñat, Ricardo Carrau, Manuel Bernal-Sprekelsen, Alfonso Santamaría
OBJECTIVES/HYPOTHESIS: Endonasal surgeries are the primary cause of septal perforation (SP). However, trauma, inflammation, infections, neoplasms, or abuse of inhaled drugs can also cause SP. Septal repair is indicated in patients who experience nasal obstruction, crusting, intermittent epistaxis, purulent discharge, or nasal whistling and in those who fail conservative treatment. Multiple approaches have been suggested to repair the SP; however, none has been universally adopted. This study explores the feasibility of repairing a total SP using the pericranial flap (PCF)...
November 8, 2017: Laryngoscope
https://www.readbyqxmd.com/read/29090242/stent-patency-in-patients-with-distal-malignant-biliary-obstruction-receiving-chemo-radio-therapy
#3
Sylke Haal, Jeanin E van Hooft, Erik A J Rauws, Paul Fockens, Rogier P Voermans
BACKGROUND AND STUDY AIMS:  Recent literature suggests that chemo(radio)therapy might reduce the patency of plastic stents in patients with malignant biliary obstruction. Whether this might also be valid for other types of stents is unknown. The aim of this study was to determine the influence of chemo(radio)therapy on the patency of fully-covered self-expandable metal stents (FCSEMSs) and plastic stents. PATIENTS AND METHODS:  We retrospectively reviewed the electronic medical records of patients with distal malignant biliary obstruction who underwent biliary stent placement between April 2001 and July 2015...
November 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/29025607/peek-radiolucent-plate-for-distal-radius-fractures-multicentre-clinical-results-at-12-months-follow-up
#4
Bruno Di Maggio, Pasquale Sessa, Patrizia Mantelli, Pietro Maniscalco, Fabrizio Rivera, Giorgio Maria Calori, Luigi Bisogno, Gabriele Scaravilli, Marco Caforio
INTRODUCTION: Open reduction and internal fixation (ORIF) with plate and screws represents the recommended treatment for unstable intra-articular distal radius fractures. Although significant progresses in surgical technique have been made, anatomical reconstruction of radio-carpal articular surface still represent a difficult task, especially in multifragmentary fractures. Available PEEK reinforced-carbon fiber composite radiolucent devices allow both an easier and more careful assessment of intra-operative reduction of the articular surface of distal radius and prompt correction of any residual step deformity...
October 2017: Injury
https://www.readbyqxmd.com/read/29018928/tactile-localization-biases-are-modulated-by-gaze-direction
#5
Sonia Medina, Luigi Tamè, Matthew R Longo
Identifying the spatial location of touch on the skin surface is a fundamental function of our somatosensory system. Despite the fact that stimulation of even single mechanoreceptive afferent fibres is sufficient to produce clearly localised percepts, tactile localisation can be modulated also by higher level processes such as body posture. This suggests that tactile events are coded using multiple representations using different coordinate systems. Recent reports provide evidence for systematic biases on tactile localisation task, which are thought to result from a supramodal representation of the skin surface...
October 10, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28971244/an-uncommon-variant-of-the-essex-lopresti-injury
#6
Mohamed Ali Kedous, Ahmed Msakni, Wael Chebbi, Mourad Zaraa, Mondher Mbarek
The Essex-Lopresti injury is an extremely rare condition combining radial head or neck fracture, distal radio-ulnar joint dislocation and rupture of the interosseous membrane. However, there are rare or unusual varieties or associated injuries. We report a case of a 46-year-old woman with a posterior dislocation of the radio-humeral joint, a radial shaft fracture, and a distal radio-ulnar joint dislocation. She underwent open reduction and internal fixation of the radial shaft fracture followed by an immobilization by a long elbow splint in supination for 6 weeks...
October 2, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28931338/functional-outcomes-of-distal-radius-fractures-with-and-without-ulnar-styloid-fractures-a-meta-analysis
#7
Marjolein A M Mulders, Lili J Fuhri Snethlage, Robert-Jan O de Muinck Keizer, J Carel Goslings, Niels W L Schep
The aim of this meta-analysis was to compare the functional outcomes of patients with a distal radius fracture with and without a concomitant fracture of the ulnar styloid process. A systematic literature search was performed to identify all studies comparing patients with a distal radius fracture with and without an ulnar styloid process fracture. The initial search revealed 511 articles, of which 12 articles with a total of 2243 patients were included; 1196 patients with and 1047 patients without an ulnar styloid process fracture...
January 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28928049/role-for-cementoplasty-in-intra-articular-distal-radius-fractures-cadaver-study-and-application-to-arthroscopy
#8
V Fontaine, M Grunberg, J Soret, K El-Youssef, L E Gayet, R Taberne
BACKGROUND: Die-punch intra-articular fractures of the distal radius raise surgical challenges. The residual articular step-off must be less than 1mm to prevent the development of radio-carpal osteoarthritis. The objectives of this cadaver study were to evaluate whether cementoplasty was effective in reducing die-punch fractures and to determine whether this technique was feasible as an arthroscopic procedure. HYPOTHESIS: Cementoplasty performed as an arthroscopic procedure is effective in treating die-punch fractures...
September 16, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28900671/-wrist-arthrodesis-with-a%C3%A2-fixed-angle-low-profile-fusion-plate-without-carpometacarpal-joint-fixation
#9
REVIEW
S Köhler, K Koch, A Arsalan-Werner, I M Mehling, J Seegmüller, H Krimmer, Michael Sauerbier
OBJECTIVE: Total wrist arthrodesis to improve functional use of the hand by reducing pain and increasing grip strength. INDICATIONS: Painful destruction of the radio- and midcarpal joints. CONTRAINDICATIONS: Analgesia and satisfactory hand function after motion-preserving surgical or conservative treatment. Chronic joint infection. SURGICAL TECHNIQUE: Posterior approach to the wrist. Removal of articular surfaces destroyed all the way down to cancellous bone...
September 12, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28870130/prevalence-of-the-distal-oblique-bundle-of-the-interosseous-membrane-of-the-forearm-an-anatomical-study
#10
Gloria Maria Hohenberger, Angelika Maria Schwarz, Andreas Heinrich Weiglein, Renate Krassnig, Sabine Kuchling, Michael Plecko
A study was undertaken to examine the presence of the distal oblique bundle of the forearm in a large sample in order to describe its true prevalence. The study sample consisted of 200 cadaveric forearms. Fifteen were excluded due to defects in the distal interosseous membrane. In the remaining 185 specimens, the distal interosseous membrane was examined following removal of soft tissue, to determine whether a distal oblique bundle was present and whether there were connecting fibres to the distal radio-ulnar joint...
January 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28818412/are-extramedian-symptoms-associated-with-peripheral-causes-in-patient-with-carpal-tunnel-syndrome-electrodiagnostic-and-ultrasonographic-study
#11
Basak Mansiz-Kaplan, Merve Akdeniz-Leblecicier, Ilker Yagci
OBJECTIVE: To evaluate the relationship between extramedian spreading of sensorial symptoms and median and ulnar nerve cross-sectional area (CSA) and to compare the ultrasonographic and electrophysiological findings in patients with carpal tunnel syndrome (CTS) with or without extramedian sensory symptoms. DESIGN: Cross-sectional study. MATERIALS AND METHODS: Patients with CTS were divided into two groups as with or without extramedian symptoms and were assessed clinically, electrophysiologically and ultrasonographically by three blind investigators...
August 10, 2017: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/28795018/in-vivo-fluoroscopic-kinematography-of-dynamic-radio-ulnar-incongruence-in-dogs
#12
Thomas Rohwedder, Martin Fischer, Peter Böttcher
Aim of the study was to investigate dynamic radio-ulnar incongruence (dRUI) in the canine elbow joint comparing orthopedic healthy and dysplastic dogs in a prospective in vivo study design. In 6 orthopedic sound elbow joints (5 dogs, median age 17 months & mean body weight 27.9 kg) and 7 elbow joints with medial coronoid disease (6 dogs, median age 17.5 months & mean body weight 27.6 kg) 0.8 mm Ø tantalum beads were surgically implanted into radius, ulna and humerus for dynamic radiosteriometric analysis (RSA) using high-speed biplanar fluoroscopy with the dogs walking on a treadmill...
2017: Open veterinary journal
https://www.readbyqxmd.com/read/28780107/validation-of-2-noninvasive-markerless-reconstruction-techniques-in-biplane-high-speed-fluoroscopy-for-3-dimensional-research-of-bovine-distal-limb-kinematics
#13
M Weiss, E Reich, S Grund, C K W Mülling, S M Geiger
Lameness severely impairs cattle's locomotion, and it is among the most important threats to animal welfare, performance, and productivity in the modern dairy industry. However, insight into the pathological alterations of claw biomechanics leading to lameness and an understanding of the biomechanics behind development of claw lesions causing lameness are limited. Biplane high-speed fluoroscopic kinematography is a new approach for the analysis of skeletal motion. Biplane high-speed videos in combination with bone scans can be used for 3-dimensional (3D) animations of bones moving in 3D space...
August 2, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28777405/bursting-pressure-of-triple-lumen-central-venous-catheters-under-static-and-dynamic-loads
#14
Tim Beckingham, Andy Roberts, Alana St John, Gerry O'Callaghan
INTRODUCTION: Central venous catheter (CVC) access is commonplace in intensive care units. Patients undergoing computed tomographic angiography require injection of contrast at high flow rates (4.5 mL/s), often CVC access is not used due to safety concerns. The CVC might rupture at high flow rates, resulting in CVC fragmentation and embolization or contrast extravasation.The objective of this study is to determine the pressure required to burst a CVC under static load and compare this to the pressure generated by injection of contrast at high flow rates (dynamic load) through the distal (16-g) lumen of a triple-lumen CVC...
August 3, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28777398/impaired-maturation-of-arteriovenous-fistula-for-haemodialysis-due-to-forearm-artery-stenosis-percutaneous-endovascular-treatment
#15
Nicola Pirozzi, Jacopo Scrivano, Roberto Pirozzi, Emanuela Cordova, Giorgio Punzo, Paolo Menè
INTRODUCTION: Distal autogenous arteriovenous fistula (dAVF), considered the "gold standard" vascular access for haemodialysis, suffers from a high rate of impaired maturation. One of the usual causes is low-flow associated forearm arterial stenosis. In such cases, endovascular treatment by percutaneous transluminal angioplasty represents a helpful option to enable maturation of the vascular access.Currently, there are few reports concerning the treatment of this complication. Therefore, we describe our single-centre experience based on a retrospective review of prospectively collected data...
August 2, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28688756/mechanical-behavior-of-rf-treated-thrombus-in-mechanical-thrombectomy
#16
Chi Hang Chon, Zhen Qin, John Ck Kwok, David Cc Lam
Intra-arterial mechanical thrombectomy (IAMT) treatments for ischemic stroke have higher recanalization rate, longer treatment time window and lower risk of symptomatic intracerebral hemorrhage (sICH). However, distal embolization may occur because of loose fragments produced during maceration and engagement. The naturally coagulated thrombus is fragile and has poor binding with thrombectomy device. Improvement of thrombus-device binding can reduce fragments breaking loose during wire pull and enhance protein crosslinking in the thrombus that can increase fragmentation resistance...
July 5, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28621181/-advantages-of-transanal-approach-in-low-rectal-cancer-resections
#17
Géza Papp, István Besznyák, Balázs Pörneczi, György Saftics, Attila Bursics
Laparoscopic surgery is proven equal technique to open rectal surgery. Despite advantages, some problems in case of low rectal surgery are existing: visualization of the pelvis, securing safe distal resection margin, preparing single stapled rectal stump with safe conjunction to the colorectal anastomosis. Approximately 500 procedures have been performed worldwide until today by applying Transanal Total Mesorectal Excision (TaTME) technique, which evolved from a combination of laparoscopy and transanal approach...
June 2017: Magyar Sebészet
https://www.readbyqxmd.com/read/28506164/screw-fixation-and-autogenous-bone-graft-for-an-irreducible-distal-ulna-fracture-associated-with-distal-radius-fracture
#18
Kiyohito Naito, Yoichi Sugiyama, Hiroyuki Obata, Atsuhiko Mogami, Osamu Obayashi, Kazuo Kaneko
Distal ulna fractures often occur with distal radius fractures, and their treatment method is still controversial. We considered reduction of the distal radio-ulnar joint (DRUJ) surface the most important factor when treating distal ulna fractures accompanied by residual dislocation. We herein presented a patient with a distal ulna fracture accompanied by dislocation of the DRUJ surface in whom an autogenous bone fragment collected from the radius was grafted onto the ulnar bone defect after open reduction and Herbert screw fixation...
June 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28502884/quantifying-sex-race-and-age-specific-differences-in-bone-microstructure-requires-measurement-of-anatomically-equivalent-regions
#19
Ali Ghasem-Zadeh, Andrew Burghardt, Xiao-Fang Wang, Sandra Iuliano, Serena Bonaretti, Minh Bui, Roger Zebaze, Ego Seeman
INTRODUCTION: Individuals differ in forearm length. As microstructure differs along the radius, we hypothesized that errors may occur when sexual and racial dimorphisms are quantified at a fixed distance from the radio-carpal joint. METHODS: Microstructure was quantified ex vivo in 18 cadaveric radii using high resolution peripheral quantitative computed tomography and in vivo in 158 Asian and Caucasian women and men at a fixed region of interest (ROI), a corrected ROI positioned at 4...
May 11, 2017: Bone
https://www.readbyqxmd.com/read/28465113/comparison-of-branch-and-distally-focused-main-renal-artery-denervation-using-two-different-radio-frequency-systems-in-a-porcine-model
#20
Felix Mahfoud, Catherine A Pipenhagen, L Boyce Moon, Sebastian Ewen, Saarraaken Kulenthiran, Jeffrey M Fish, James A Jensen, Renu Virmani, Michael Joner, Kazuyuki Yahagi, Costas Tsioufis, Michael Böhm
OBJECTIVES: Anatomic placement of lesions may impact efficacy of radio-frequency (RF) catheter renal denervation (RDN). However, it is unclear if it is necessary to perform treatments post bifurcation with systems that may provide deeper penetration to achieve successful RDN. METHODS: Sixteen domestic swine (n=16) were randomly assigned to 4 groups: 1) 8 lesions created in the branch arteries using the Spyral catheter (SP8); 2) 8 lesions created in the branch arteries plus 4 lesions created in the main artery using the SP catheter (SP12); 3) 8 lesions created in the main artery using the EnligHTN catheter with the distal position as close as possible to the bifurcation (EN8); and 4) 12 lesions created in the main artery using the EN catheter with the distal position as close as possible to the bifurcation (EN12)...
April 26, 2017: International Journal of Cardiology
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