نتایج جستجو برای: bone fracture

تعداد نتایج: 374261  

2010

INTRODUCTION Distal forearm fracture is one of the most frequently observed osteoporotic fractures which may occur as a result of low energy falls such as falls from a standing height and may be linked to the osteoporotic nature of the bone especially in the elderly. In order to improve both the diagnosis of high fracture risk individuals and the fracture prevention methods, the influence of ex...

2017
Amrita Kataruka Kavya Mendu Orieka Okeoghene Jasmine Puthuvelil Ange-Therese Akono

Bone is a composite material with five distinct structural levels: collagen molecules, mineralized collagen fibrils, lamellae, osteon and whole bone. However, most fracture testing methods have been limited to the macroscopic scale and there is a need for advanced characterization methods to assess toughness at the osteon level and below. The goal of this investigation is to present a novel fra...

2016
C. Ferrier Walters

formation has proved that it is chiefly derived from the bone itself, growing from every surface in the most suitable pabulum, namely blood-clot at the site of fracture ; that one has on several occasions seen compact bone exposed in a compound fracture and apparently necrotic, revitalised by vascular permeation throughout its whole extent; that in the comminuted simple fracture, which almost i...

2016
Mohammad Kamran Shahid Shahbaz Malik

Introduction A unilateral external fixator comprises of a collection of pins, clamps and sidebars to form a construct on one side of the limb that can be used to stabilise bone fractures and promote healing. An external fixator can allow the operator to alter the flexibility of the fixation. In the presence of flexible fixation, fracture healing happens through the creation of callus, which mec...

Journal: :Journal of Physics: Conference Series 2021

Abstract Bone fracture treatment aims for restoring the function of a broken bone, and scaphoid fracture, conventional cast is an example commonly used treatment. However, due to its downsides, development customized three-dimensional (3D) printed hand getting more attention. It lightweight, easy manage, has good ventilation hygienic properties. Hence, this study fabricate 3D in treating fractu...

2011
Alina Levchuk Philipp Schneider David Christen

INTRODUCTION Vast research efforts have been undertaken in recent decades to provide insight into bone fracture mechanics, which is relevant for various metabolic bone diseases. As part of the global effort to improve current methods for fracture prediction, this study turns to the murine model of osteoporosis. Using bone samples of inbred rodents guarantees genetically controlled phenotypes, a...

2002
C. H. Turner

to fracture. However, bones fracture for different reasons, so there are several different biomechanical definitions of bone fragility. One function of bones is to carry loads. Fractures occur when loads exceed the bone strength, so weakened bones should be considered fragile. For example osteoporotic vertebral bodies might fracture during normal daily activities like opening a window or rising...

Journal: :Pain 2009
Jessica A Cottrell Markus Meyenhofer Satyanarayana Medicherla Linda Higgins J Patrick O'Connor

Traditional and COX-2 selective non-steroidal anti-inflammatory drug (NSAID) treatment inhibits fracture healing in animal models. This indicates that either the inflammatory phase following a bone fracture is necessary for efficient or sufficient bone regeneration to heal the fracture or COX-2 may have a specific function during bone regeneration unrelated to inflammation. These observations a...

Ramin Sadeghi, Reza Gholami-Malekshahi Seyed Ali Alamdaran

  This report presents a 3.5-year-old boy who was hospitalized for limping. Medical history and physical exams were not suggestive for any definitive diagnosis. Laboratory and radiographic exams did not support any specific diagnosis either. Subsequently bone scan was performed and increased activity in the ankle due to cuboid fracture was incidentally observed.

2010
Elizabeth Barrett-Connor Carrie M Nielson Eric Orwoll Douglas C Bauer Jane A Cauley

OBJECTIVE To study the causes and consequences of radiologically confirmed rib fractures (seldom considered in the context of osteoporosis) in community dwelling older men. DESIGN Prospective cohort study (Osteoporotic Fractures in Men (MrOS) Study). SETTING AND PARTICIPANTS 5995 men aged 65 or over recruited in 2000-2 from six US sites; 99% answered mailed questionnaires about falls and fr...

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