نتایج جستجو برای: scaphoid bone

تعداد نتایج: 305838  

2017
Samik Patel

Introduction: Internal fixation used as treatment for scaphoid fractures has increased with advances in surgical techniques [1]. Proximal pole scaphoid fractures present a clinical challenge due to their lower success rate when cast immobilization and internal fixation are utilized [2]. Screws maximizing length have been shown to impact wrist motion for fixed scaphoid waist fractures [3]. Addit...

Journal: :The Israel Medical Association journal : IMAJ 2012
John T Capo Ben Shamian Marco Rizzo

BACKGROUND Delays in diagnosis and inadequate treatment of acute scaphoid fractures can lead to non-unions, presenting surgeons with unique challenges regarding optimal management. OBJECTIVES To evaluate the clinical and radiographic outcome of scaphoid non-unions treated with percutaneous screw fixation. METHODS The study group comprised 12 patients with scaphoid non-unions of an average d...

Journal: :In vivo 2016
Aikaterini Kanavaki Christophe Draenert Dimitri Ceroni Sylviane Hanquinet

BACKGROUND/AIM Management of scaphoid trauma includes imaging with repeated X-rays whose interpretation is difficult and often ambivalent. The aim of the study was to propose a fast magnetic resonance imaging (MRI) protocol permitting exclusion of traumatic lesions of the scaphoid bone in children, which would avoid unnecessary immobilization and irradiation in negative cases. PATIENTS AND ME...

Journal: :Journal of hand surgery 1998
D Nuttall I A Trail J K Stanley

The radiological images of 30 normal wrists in varying degrees of radial and ulnar deviation were analysed by measuring parameters of flexion and translation of the scaphoid bone. Results demonstrated a linear relationship, indicating that movement is consistently either by flexion of the scaphoid, translation or more commonly a combination of the two. The significance of this is discussed. The...

2014
Johannes Gossner

Suspicion of scaphoid fracture is a common topic in emergency medicine. If the radiograph is inconclusive, or there are typical symptoms suggestive of a scaphoid fracture despite a negative radiograph, further investigation with cross-sectional imaging is advocated. Because of its availability, computed tomography (CT) is the primary imaging method in most departments. In recent meta-analyses, ...

Journal: :Journal of orthopaedic surgery 2012
Kayode O Oduwole Benedikt Cichy John P Dillon Joan Wilson John O'Beirne

PURPOSE To compare the treatment outcome of Acutrak versus Herbert screw fixation for scaphoid non-union and delayed union. METHODS Records of 132 patients who underwent Herbert screw fixation (n=61) or Acutrak screw fixation (n=71) with or without bone grafting for scaphoid non-union and delayed union by a single surgeon were reviewed. The most common fracture site was the waist of the scaph...

Journal: :Proceedings of the Royal Society of Medicine 1908

Journal: :Proceedings of the Royal Society of Medicine 1942

Journal: :Journal of biomechanics 2010
Martijn van de Giessen Mahyar Foumani Geert J Streekstra Simon D Strackee Mario Maas Lucas J van Vliet Kees A Grimbergen Frans M Vos

Diagnosing of injuries of the wrist bones is problematic due to a highly complex and variable geometry. knowledge of variations of healthy bone shapes is essential to detect wrist pathologies, developing prosthetics and investigating biomechanical properties of the wrist joint. In previous literature various methods have been proposed to classify different scaphoid and lunate types. These class...

2015
Seung-Bum Chae Jun-Ho Nam

The wrist represents a complex anatomic region in the human extremity and a highly functional and intricate structural joint. Most perilunate injuries result from a staged disruption of the ligamentous structures. Forces may be directed through the carpal bones themselves resulting in a fracture. Early anatomic reduction of any carpal malalignment is of the utmost importance. Unfortunately, eve...

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