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Distal radius

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https://www.readbyqxmd.com/read/29154969/adults-with-cystic-fibrosis-have-deficits-in-bone-structure-and-strength-at-the-distal-tibia-despite-similar-size-and-measuring-standard-and-relative-sites
#1
Kyle K Nishiyama, Sanchita Agarwal, Anna Kepley, Fernando Rosete, Yizhong Hu, X Edward Guo, Claire L Keating, Emily A DiMango, Elizabeth Shane
Individuals with cystic fibrosis (CF) have lower bone mineral density (BMD) by DXA and are at higher risk of fracture than healthy controls. However, the 2-dimensional measurement of areal BMD (aBMD) provided by DXA is influenced by bone size and the true extent of the bone deficit is unclear. Our objective was to use high-resolution peripheral quantitative computed tomography (HR-pQCT) and individual trabecula segmentation (ITS) analysis to compare volumetric BMD (vBMD), microarchitecture and estimated strength at the distal radius and tibia in 26 young adults with CF and 26 controls matched for age, gender, and race...
November 14, 2017: Bone
https://www.readbyqxmd.com/read/29150382/changes-in-fall-risk-and-functional-status-in-women-aged-50-years-and-older-after-distal-radius-fracture-a-prospective-1-year-follow-up-study
#2
Katie Crockett, Jonathan P Farthing, Jenny Basran, Vanina Dal Bello-Haas, Geoffrey Johnston, Charlene R A Haver, Catherine M Arnold
STUDY DESIGN: Prospective cohort study. INTRODUCTION: Few studies have evaluated the course of recovery after distal radius fracture (DRF) when functional decline and fracture risk may be affected. PURPOSE OF THE STUDY: The purpose of this study was to determine changes in overall functional status over the first year after a DRF in women aged 50 years and older. METHODS: Seventy-eight women were assessed for balance, balance confidence, lower extremity strength, gait speed, fall history, physical activity levels, and self-reported wrist pain and function (Patient-Rated Wrist Evaluation) at weeks 1, 3, 9, 12, 26, and 52 after DRF...
November 14, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/29147749/correction-to-characterization-of-trabecular-bone-microstructure-in-premenopausal-women-with-distal-radius-fractures
#3
T D Rozental, F Johannesdottir, K C Walley, M L Bouxsein
Owing to an oversight by the corresponding author, the name of the third author of this article was rendered wrongly. His correct name is Kempland C. Walley.
November 16, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/29141368/-long-term-efficacy-of-open-reduction-and-internal-fixation-versus-external-fixation-for-unstable-distal-radius-fractures-a-meta-analysis
#4
Z Yang, Z Z Yuan, J X Ma, X L Ma
Objective: To make a systematic assessment of the Long-term efficacy of open reduction and internal fixation versus external fixation for unstable distal radius fractures. Methods: A computer-based online search of PubMed, ScienceDirect, EMBASE, BIOSIS, Springer and Cochrane Library were performed. The randomized and controlled trials of open reduction and internal fixation versus external fixation for unstable distal radius fractures were collected. The included trials were screened out strictly based on the criterion of inclusion and exclusion...
November 7, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29138875/variant-course-of-extensor-pollicis-brevis-tendon-in-the-third-extensor-compartment
#5
Shiro Sugiura, Yusuke Matsuura, Takane Suzuki, Satoru Nishikawa, Chisato Mori, Kazuki Kuniyoshi
INTRODUCTION: According to the anatomical literature, the extensor pollicis brevis (EPB) tendon passes through the first compartment and enters the base of the proximal phalanx of the thumb. There have been a few reports on the different types of supernumerary EPB tendons; however, an unusual course of the EPB tendon is extremely rare. MATERIALS AND METHODS: During routine cadaveric dissection in the Department of Gross Anatomy, we detected an variant EPB muscle in a 96-year-old fresh female cadaver...
November 14, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29137724/simplified-boundary-conditions-alter-cortical-trabecular-load-sharing-at-the-distal-radius-a-multiscale-finite-element-analysis
#6
Joshua E Johnson, Karen L Troy
High-resolution peripheral quantitative computed tomography (HR-pQCT) derived micro-finite element (FE) modeling is used to evaluate mechanical behavior at the distal radius microstructure. However, these analyses typically simulate non-physiologic simplified platen-compression boundary conditions on a small section of the distal radius. Cortical and trabecular regions contribute uniquely to distal radius mechanical behavior, and various factors affect these regions distinctly. Generalized strength predictions from standardized platen-compression analyses may not adequately capture region specific responses in bone...
November 4, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29130881/distal-radius-skyline-view-how-to-prevent-dorsal-cortical-penetration
#7
Benjamin C Taylor, Andy R Malarkey, Ryan L Eschbaugh, John Gentile
Volar locked plating has become a standard treatment for operative stabilization of distal radius fractures. It is assumed that volar plating portends a low risk of extensor tendon irritation and rupture, especially when compared with dorsal plating constructs; however, extensor tendon tenosynovitis and rupture is a well-described complication after volar plating of the distal radius. Dorsal cortical penetration of screws may go unnoticed with traditional intraoperative fluoroscopic techniques and may contribute to extensor tendon irritation...
November 2017: Journal of Surgical Orthopaedic Advances
https://www.readbyqxmd.com/read/29130877/reduction-loss-after-distal-radius-fracture-fixation-with-locked-volar-plates
#8
Michael M Vosbikian, Constantinos Ketonis, Ronald Huang, James A Costanzo, Asif M Ilyas
Distal radius fractures are among the most common injuries in the upper extremity. While many studies have looked at the maintenance of reduction with volar locking plates, there is a paucity of literature comparing the ability of different plates to maintain reduction over time. This study reviews the ability of various plates to maintain radiographic reduction at union after distal radius fracture treatment. Loss of some aspect of fracture reduction was routinely observed following locked volar plating regardless of implant...
October 2017: Journal of Surgical Orthopaedic Advances
https://www.readbyqxmd.com/read/29128312/parosteal-lipoma-as-a-rare-cause-of-peripheral-neuropathy-and-local-irritation-a-report-of-12-cases
#9
Kerem Başarir, Ercan Şahin, Mahmut Kalem, Mustafa Onur Karaca, Yusuf Yildiz, Yener Sağlik
OBJECTIVE: The aim of this study was to evaluate the clinical features and functional results of patients with parosteal lipomas. METHODS: A total of 12 patients (8 females and 4 males; mean age: 45 (10-62) years) with parosteal lipomas who were treated between April 1986 and April 2014, were included into the study. The medical records of the patients were reviewed to analyze the clinical features and functional results of the patients. RESULTS: Of the 12 lipomas, 5 were localized in the proximal arm, 4 in the forearm, 1 in the distal arm, 1 in the distal thigh and 1 in the distal tibia...
November 8, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/29127017/the-educational-opportunities-provided-by-a-pediatric-orthopedic-urgent-case-review-conference-keep-score-to-provide-a-better-experience
#10
Eric D Shirley, Radu Gheorghe, Kevin M Neal, Gary Kiebzak, Steven L Frick
OBJECTIVE: To evaluate the distribution of conditions presented at a case conference to assess resident educational exposure to acute pediatric orthopedic conditions. DESIGN: Retrospective review of emergency department and inpatient consultations presented at a daily pediatric orthopedic case conference over a 3-year period. Consultations were divided into 3-month resident rotation blocks for analysis. SETTING: Tertiary children's hospital in the southern United States which host residents from 2 orthopedic surgery residency programs...
November 7, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/29125205/reconstructing-pectoral-appendicular-muscle-anatomy-in-fossil-fish-and-tetrapods-over-the-fins-to-limbs-transition
#11
Julia L Molnar, Rui Diogo, John R Hutchinson, Stephanie E Pierce
The question of how tetrapod limbs evolved from fins is one of the great puzzles of evolutionary biology. While palaeontologists, developmental biologists, and geneticists have made great strides in explaining the origin and early evolution of limb skeletal structures, that of the muscles remains largely unknown. The main reason is the lack of consensus about appendicular muscle homology between the closest living relatives of early tetrapods: lobe-finned fish and crown tetrapods. In the light of a recent study of these homologies, we re-examined osteological correlates of muscle attachment in the pectoral girdle, humerus, radius, and ulna of early tetrapods and their close relatives...
November 10, 2017: Biological Reviews of the Cambridge Philosophical Society
https://www.readbyqxmd.com/read/29122370/effectiveness-of-the-graded-motor-imagery-to-improve-hand-function-in-patients-with-distal-radius-fracture-a-randomized-controlled-trial
#12
Burcu Dilek, Cigdem Ayhan, Gozde Yagci, Yavuz Yakut
STUDY DESIGN: Single-blinded randomized controlled trial. INTRODUCTION: Pain management is essential in the early stages of the rehabilitation of distal radius fractures (DRFx). Pain intensity at the acute stage is considered important for determining the individual recovery process, given that higher pain intensity and persistent pain duration negatively affect the function and cortical activity of pain response. Graded motor imagery (GMI) and its components are recent pain management strategies, established on a neuroscience basis...
November 6, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/29122121/a-biomechanical-comparison-of-four-fixed-angle-dorsal-plates-in-a-finite-element-model-of-dorsally-unstable-radius-fracture
#13
Josip Knežević, Janoš Kodvanj, Fabijan Čukelj, Frane Pamuković, Arsen Pavić
PURPOSE: To compare the finite element models of two different composite radius fracture patterns, reduced and stabilised with four different fixed-angle dorsal plates during axial, dorsal and volar loading conditions. METHODS: Eight different plastic models representing four AO/ASIF type 23-A3 distal radius fractures and four AO/ASIF 23-C2 distal radius fractures were obtained and fixed each with 1 of 4 methods: a standard dorsal non-anatomical fixed angle T-plate (3...
November 2017: Injury
https://www.readbyqxmd.com/read/29122119/avoiding-radial-nerve-palsy-in-proximal-radius-shaft-plating-a-cadaver-study
#14
Angelika M Schwarz, Gloria M Hohenberger, Andreas H Weiglein, Regina Riedl, Mario Staresinic, Stephan Grechenig
BACKGROUND: Opinions vary concerning the position of forearm rotation during detachment of the supinator in radial nerve palsy Henry's and Thompson's approaches. PURPOSE: To define the optimal forearm position for a safe detachment of the supinator during these approaches and to clarify their close relationship to the posterior interosseous nerve (PIN). METHODS: The study sample comprised 90 upper extremities of 45 human adult cadavers, embalmed using Thiel's method...
November 2017: Injury
https://www.readbyqxmd.com/read/29121215/trabecular-bone-morphology-correlates-with-skeletal-maturity-and-body-composition-in-healthy-adolescent-girls
#15
Deborah M Mitchell, Signe Caksa, Amy Yuan, Mary L Bouxsein, Madhusmita Misra, Sherri-Ann M Burnett-Bowie
Context: Growth in healthy children is associated with changes in bone density and microarchitecture. Trabecular morphology is an additional important determinant of bone strength, but little is currently known about trabecular morphology in healthy young people. Objective: To investigate associations of trabecular morphology with increasing maturity and with body composition in healthy girls. Design: Cross-sectional study. Setting: Academic research center...
November 7, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29119975/erratum-microstructure-of-the-distal-radius-and-its-relevance-to-distal-radius-fractures
#16
Gregory Ian Bain, Simon Bruce Murdoch MacLean, Tom McNaughton, Ruth Williams
[This corrects the article DOI: 10.1055/s-0037-1602849.].
November 2017: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/29117840/very-distal-radius-wedge-osteotomy-for-kienb%C3%A3-ck-s-disease-case-series
#17
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/29117828/dual-plating-technique-for-volar-rim-fracture-of-the-distal-radius-using-depuy-synthes-2-0-m-and-2-4-mm-locking-plates
#18
Yoshihiro Abe, Masahiro Suzuki, Hiromasa Wakita
BACKGROUND: To assess the surgical results of distal radius fractures with the involvement of a volar rim fragment using the DePuy-Synthes 2.0 mm and 2.4 mm locking plates. METHODS: Subjects were six women and one man of average age 57 years (range, 31-83 y) and a mean follow-up period of 9 months (range, 5-19 mo) with AO B3 (volar shearing) distal radius fractures. Time of the procedure, physical examination of wrist range of motion, grip strength compared with the contralateral healthy wrist, and radiographic evaluation (volar tilt, radial inclination, and ulnar variance) were evaluated...
December 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/29115684/bone-material-strength-index-as-measured-by-impact-microindentation-in-postmenopausal-women-with-distal-radius-and-hip-fractures
#19
Tamara D Rozental, Kempland C Walley, Serkalem Demissie, Signe Caksa, Adriana Martinez-Betancourt, Amber M Parker, Joy N Tsai, Elaine W Yu, Mary L Bouxsein
We tested whether cortical bone tissue properties assessed by in vivo impact microindentation would distinguish postmenopausal women with recent distal radius (DRF) or hip fracture (HF) from non-fracture controls (CONT). We enrolled postmenopausal women with recent DRF (n=57), HF (n=41) or CONT (n=93), and used impact microindentation to assess bone material strength index (BMSi) at the anterior surface of the mid-tibia diaphysis. Areal BMD (g/cm(2) ) of the femoral neck (FN), total hip (TH) and lumbar spine (LS) were measured by dual-energy X-ray absorptiometry (DXA)...
November 8, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29110910/treatment-of-giant-cell-tumor-of-distal-radius-with-limited-soft-tissue-invasion-curettage-and-cementing-versus-wide-excision
#20
Kamran Mozaffarian, Mehra Modjallal, Amir Reza Vosoughi
BACKGROUND: Intralesional curettage and adjuvant versus wide en bloc excision (WEE) as the best treatment method of giant cell tumor (GCT) of distal radius with limited soft tissue extension is a controversial topic. METHODS: Prospectively, 13 patients who had GCT of distal radius with perforation of either volar or dorsal cortex of the bone and soft tissue extension which was confined to one plane were enrolled in the study. Six patients treated with ICC and seven cases cured by WEE technique and proximal fibular arthroplasty...
October 27, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
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