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https://www.readbyqxmd.com/read/28742828/feasibility-of-rigid-3d-image-registration-of-high-resolution-peripheral-quantitative-computed-tomography-images-of-healing-distal-radius-fractures
#1
Joost J A de Jong, Patrik Christen, Ryan M Plett, Roland Chapurlat, Piet P Geusens, Joop P W van den Bergh, Ralph Müller, Bert van Rietbergen
For accurate analysis of bone formation and resorption during fracture healing, correct registration of follow-up onto baseline image is required. A per-fragment approach could improve alignment compared to standard registration based on the whole fractured region. In this exploratory study, we tested the effect of fragment size and displacement on a per-fragment registration, and compared the results of this per-fragment registration to the results of the standard registration in two stable fractures and one unstable fracture...
2017: PloS One
https://www.readbyqxmd.com/read/28740521/new-quantitative-ultrasound-techniques-for-bone-analysis-at-the-distal-radius-in-hip-fracture-cases-differences-between-femoral-neck-and-trochanteric-fractures
#2
Motoyuki Horii, Hiroyoshi Fujiwara, Ryo Sakai, Koshiro Sawada, Yasuo Mikami, Syogo Toyama, Etsuko Ozaki, Nagato Kuriyama, Masao Kurokawa, Toshikazu Kubo
BACKGROUND: Ample evidence on etiological and pathological differences between femoral neck and trochanteric fracture cases suggests the possibility of individualized treatment. There are many issues related to areal bone mineral density and other quantitative computed tomography parameters of the proximal femur. Although osteoporosis is a systemic problem, little has been reported regarding differences in bone structural parameters, including bone mineral density, between them in regions other than the proximal femur...
January 2017: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/28738005/accuracy-and-repeatability-of-long-bone-replicas-of-small-animals-fabricated-by-use-of-low-end-and-high-end-commercial-three-dimensional-printers
#3
Jamie A Cone, Thomas M Martin, Denis J Marcellin-Little, Ola L A Harrysson, Emily H Griffith
OBJECTIVE To assess the repeatability and accuracy of polymer replicas of small, medium, and large long bones of small animals fabricated by use of 2 low-end and 2 high-end 3-D printers. SAMPLE Polymer replicas of a cat femur, dog radius, and dog tibia were fabricated in triplicate by use of each of four 3-D printing methods. PROCEDURES 3-D renderings of the 3 bones reconstructed from CT images were prepared, and length, width of the proximal aspect, and width of the distal aspect of each CT image were measured in triplicate...
August 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/28737630/first-in-the-nation-one-unit-s-journey-to-achieving-fragility-fracture-certification
#4
Audry McDonald, Samantha Church, Laura Hixon, Linda Vo, Martha Sleutel
Osteoporosis is related to more than 2 million fractures and $19 billion in healthcare costs each year (). A fragility fracture (FF) is a low-energy fracture of the distal radius, proximal humerus, ankle, or proximal femur (hip) from minimal trauma such as a fall from a standing height. In addition to cost, FFs often result in the loss of independence and productivity (). In 2015, our orthopaedic unit received the first certification ever awarded for FFs. Fragility fracture certification is a new certification demonstrating that a healthcare facility complies with national patient care standards and uses evidence-based practice guidelines to deliver quality outcomes...
July 2017: Orthopaedic Nursing
https://www.readbyqxmd.com/read/28735363/routine-follow-up-radiographs-for-distal-radius-fractures-are-seldom-clinically-substantiated
#5
N L Weil, M El Moumni, S M Rubinstein, P Krijnen, M F Termaat, I B Schipper
INTRODUCTION: The value of routine radiographs during follow-up after distal radius fractures is unclear. The aim of this study was to evaluate whether routine radiographs performed during the follow-up period in patients with a distal radius fracture influenced clinical decision making. METHODS: This retrospective cohort study included patients aged ≥18 years who were treated for a distal radius fracture at four hospitals in The Netherlands in 2012. Demographic and clinical and radiographic characteristics were collected from medical records...
July 22, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28725509/saving-tendons-on-distal-radius-fractures-a-simple-surgical-pearl-to-prevent-fpl-tendon-conflict-with-volar-locking-plates
#6
Gustavo Mantovani Ruggiero
Injury to the flexor pollicis longus (FPL) tendon is one of the most frequent complications when fixing distal radius fractures with the volar locking plates. The author proposed a simple surgical technique providing a reliable soft tissue protection to prevent friction on the FPL with the volar locking plate, using a flap of the FCR sheath sutured to attachments of the volar capsule on the lunate buttress facet of the distal radius.
August 2017: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/28725505/long-volar-plating-for-metadiaphyseal-fractures-of-distal-radius-study-comparing-minimally-invasive-plate-osteosynthesis-versus-conventional-approach
#7
Emilie Pire, Juan José Hidalgo Diaz, Santiago Salazar Botero, Sybille Facca, Philippe A Liverneaux
Background  Minimally invasive plate osteosynthesis (MIPO) has been used in wrist surgery for several years. The purpose of this retrospective study was to compare clinical and radiologic outcomes of MIPO technique with those of a conventional approach in the treatment of metadiaphyseal distal radius fracture by long volar plating. Materials and Methods  Our series consisted of 32 fractures in 31 patients, mean age 63.9 years, including 16 men and 15 women. MIPO technique was used in 15 wrists (group 1) and conventional approach (> 60 mm of skin incision) in 17 wrists (group 2)...
August 2017: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/28725504/patients-at-increased-risk-of-major-adverse-events-following-operative-treatment-of-distal-radius-fractures-inpatient-versus-outpatient
#8
Paul S Whiting, Christopher D Rice, Frank R Avilucea, Catherine M Bulka, Michelle S Shen, William T Obremskey, Manish K Sethi
Purpose  The purpose of this study was to compare complication rates following inpatient versus outpatient distal radius fracture ORIF and identify specific complications that occur at increased rates among inpatients. Methods  Using the 2005-2013 ACS-NSQIP, we collected patient demographics, comorbidities, surgical characteristics, and 30-day postoperative complications following isolated ORIF of distal radius fractures. A propensity score matched design using an 8-to-1 "greedy" matching algorithm in a 1:4 ratio of inpatients to outpatients was utilized...
August 2017: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/28725503/patient-rated-wrist-evaluation-spanish-version-and-evaluation-of-its-psychometric-properties-in-patients-with-acute-distal-radius-fracture
#9
Veronica Alfie, Gerardo Gallucci, Jorge Boretto, Agustin Donndorff, Juieta Puig Dubois, Sonia Benitez, Diego Giunta, Pablo de Carli
Purpose  The purpose of this paper is to validate a Spanish version of patient-rated wrist evaluation (PRWE) and evaluate its psychometric attributes in a population of patients with distal radius fracture. Material and Methods  A translation and cross-cultural adaptation of the PRWE to Spanish (PRWE-S) was performed according to standardized guidelines. A total of 50 patients with a distal radius fracture were included during the different steps of the study. The reliability of the new instrument was assessed in terms of construct validity with the Quick DASH (Disability of the Arm, Shoulder, and Hand)...
August 2017: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/28725496/volar-distal-radius-anatomy-applied-to-the-treatment-of-distal-radius-fracture
#10
Junya Imatani, Keiichi Akita
Volar locking plate (VLP) fixation has become the standard surgical treatment for distal radius fractures. However, flexor tendon rupture is one of the major complications following volar plating. This detailed review on the anatomy and morphology of the volar distal radius might facilitate appropriate placement of the volar plate and thereby avoid flexor tendon rupture. We introduce safe and secure VLP fixation along standard surgical procedures to avoid complications based on anatomy of the volar surface of the distal radius...
August 2017: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/28722691/structural-basis-of-bone-fragility-in-young-subjects-with-inflammatory-bowel-disease-a-high-resolution-pqct-study-of-the-swiss-ibd-cohort-sibdc
#11
Jessica Pepe, Sophie Zawadynski, Francois R Herrmann, Pascal Juillerat, Pierre Michetti, Sylvie Ferrari-Lacraz, Dominique Belli, Osman Ratib, René Rizzoli, Thierry Chevalley, Serge L Ferrari
BACKGROUND: The onset of inflammatory bowel disease (IBD) during childhood/adolescence compromises peak bone mass acquisition and predisposes to fractures later in life. However, the structural basis for bone fragility in young adults with IBD remains unknown. METHODS: One hundred two young subjects from the Swiss IBD cohort were included. Areal bone mineral density (aBMD) at distal radius, hip, and spine as well as morphometric vertebral fractures were assessed using dual-energy x-ray absorptiometry technique...
August 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28722129/bone-strength-estimated-by-micro-finite-element-analysis-%C3%A2%C2%B5fea-is-heritable-and-shares-genetic-predisposition-with-areal-bmd-the-framingham-study
#12
David Karasik, Serkalem Demissie, Darlene Lu, Kerry E Broe, Steven K Boyd, Ching-Ti Liu, Yi-Hsiang Hsu, Mary L Bouxsein, Douglas P Kiel
Genetic factors contribute to the risk of bone fractures, partly because of effects on bone strength. High-resolution peripheral quantitative computed tomography (HR-pQCT) estimates bone strength using micro-finite element analysis (µFEA). The goal of this study was to investigate if the bone failure load estimated by HR-pQCT-based µFEA is heritable and to what extent it shares genetic regulation with areal bone mineral density (aBMD). Bone microarchitecture was measured by HR-pQCT at the ultradistal tibia and ultradistal radius in adults from the Framingham Heart Study (n = 1087, mean age 72 years; 57% women)...
July 19, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28720046/strain-as-a-function-of-time-in-extrinsic-wrist-ligaments-tensioned-through-external-fixation
#13
Joseph P Rectenwald, K Ashley Bentley, Peter M Murray, Subrata Saha
BACKGROUND: The objective of this study is to determine the time-dependent dissipation of extrinsic wrist ligament tension following the application external fixation with axial distraction of the wrist in a cadaveric model. METHODS: Six paired fresh-frozen cadaveric specimens underwent mechanical testing simulating external fixation with 1 arm of each pair osteotomized to simulate a distal radius fracture. The change in tension was then recorded over 24 hours. RESULTS: The rate of stress relaxation decreased with time...
February 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28720040/distal-radius-fractures-aaos-appropriate-use-criteria-versus-actual-management-at-a-level-i-trauma-center
#14
James C Kyriakedes, Eugene Y Tsai, Douglas S Weinberg, Charles C Yu, Harry A Hoyen, Kevin Malone, Blaine T Bafus
BACKGROUND: The aim of this study is to determine whether the American Academy of Orthopaedic Surgeons' (AAOS) Appropriate Use Criteria (AUC) for distal radius fractures correlates with actual treatment by orthopedic hand surgeons at a level I trauma center. METHODS: ICD-9 codes were used to retrospectively identify patients who presented with wrist fractures over 1 year. Patients with isolated distal radius fractures were evaluated using the AAOS AUC application for distal radius fractures...
February 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28719995/biomechanics-of-the-proximal-radius-following-drilling-of-the-bicipital-tuberosity-to-mimic-cortical-button-distal-biceps-repair-technique
#15
Nikhil R Oak, John R Lien, Alexander Brunfeldt, Jeffrey N Lawton
BACKGROUND: A fracture through the proximal radius is a theoretical concern after cortical button distal biceps fixation in an active patient. The permanent, nonossified cortical defect and medullary tunnel is at risk during a fall eliciting rotational and compressive forces. We hypothesized that during simulated torsion and compression, in comparison with unaltered specimens, the cortical button distal biceps repair model would have decreased torsional and compressive strength and would fracture in the vicinity of the bicipital tuberosity bone tunnel...
March 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28718329/assessment-of-forearm-rotational-control-using-4-upper-extremity-immobilization-constructs
#16
Ayesha M Rahman, Nicole Montero-Lopez, Richard M Hinds, Michael Gottschalk, Eitan Melamed, John T Capo
BACKGROUND: Forearm immobilization techniques are commonly used to manage distal radius, scaphoid, and metacarpal fractures. The purpose of our study was to compare the degree of rotational immobilization provided by a sugar-tong splint (STS), short arm cast (SAC), Munster cast (MC), and long arm cast (LAC) at the level of the distal radioulnar joint (DRUJ), carpus, and metacarpals. METHODS: Seven cadaveric upper extremity specimens were mounted to a custom jig with the ulnohumeral joint fixated in 90° of flexion...
February 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28718317/hand-surgeons-and-orthopedic-trauma-surgeons-call-coverage-of-acute-upper-extremity-injuries-where-should-the-line-be-drawn
#17
Matthew B Cantlon, Andrew J Miller, Asif M Ilyas
BACKGROUND: There is a lack of consensus as to which subspecialty service should cover acute upper extremity injuries in the emergency department (ED). The purpose of the present study is to understand how upper extremity injuries are currently triaged to specialists and to assess the current opinion among hand and orthopedic trauma specialists as to how these injuries should be best triaged based on injury location and severity. METHODS: The American Association for Hand Surgery (AAHS) membership and Orthopaedic Trauma Association (OTA) membership were surveyed using a 28-item online questionnaire...
January 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28718315/ulnar-styloid-base-fractures-cause-distal-radioulnar-joint-instability-in-a-cadaveric-model
#18
Tyler S Pidgeon, Joseph J Crisco, Gregory R Waryasz, Douglas C Moore, Manuel F DaSilva
BACKGROUND: The deep portion of the distal radioulnar ligaments (DRUL) inserts on the ulnar fovea and is the most important stabilizer of the distal radioulnar joint (DRUJ). Ulnar styloid base fractures that include the ulnar fovea may cause DRUJ instability. METHODS: DRUJ stability in pronosupination was evaluated in 12 fresh-frozen upper extremities (4 female) aged 52 to 68 years (mean: 58.8 years) using a custom fixture, which allowed free rotation of the radius around the fixed ulna...
January 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28718308/ulnar-shortening-versus-distal-radius-corrective-osteotomy-in-the-management-of-ulnar-impaction-after-distal-radius-malunion
#19
William R Aibinder, Ali Izadpanah, Bassem T Elhassan
BACKGROUND: Distal radius malunions lead to functional deficits. This study compares isolated ulnar shortening osteotomy (USO) to distal radius osteotomy (DRO) for the treatment of ulnar impaction syndrome following distal radius malunion. METHODS: We retrospectively reviewed 11 patients with extra-articular distal radius malunions treated for ulnar impaction with isolated USO. This group was compared to a 1:1 age- and sex-matched cohort treated with isolated DRO for the same indication...
January 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28717652/morphological-study-of-the-anterior-surface-of-the-distal-radius
#20
Ho-Jung Cho, Soyeon Kim, Dai-Soon Kwak
The shape of the anterior surface of the distal radius is important for designing a distal radius plate for wrist fracture surgery. The aim of this study was to describe the shape of the anterior surface of the distal radius and to compare the results between female and male. We used 90 sides from three-dimensional radial models based on computer tomography images from Korean adult cadavers for this study. The anterior surface was measured in two dimensions in the coronal view, and we sectioned the anterior surface of the models to obtain intermediate and radial sections to measure the curved shape of the anterior surface in sagittal view...
2017: BioMed Research International
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