نتایج جستجو برای: flattened femoral head

تعداد نتایج: 207036  

2010
Yoon-Seok Youm Soo-Youn Lee Soo-Ho Lee

BACKGROUND Osteonecrosis of the femoral head is classified into idiopathic and secondary forms. A number of etiological factors in the development of osteonecrosis have been suggested but the biological mechanisms are still unclear. Recently, some reports suggested that the apoptosis is closely related to osteonecrosis of the femoral head. Therefore, this study examined the expression of apopto...

Journal: :Journal of biomechanical engineering 2006
K Y Volokh H Yoshida A Leali J F Fetto E Y S Chao

The femoral head deteriorates in osteonecrosis. As a consequence of that, the cortical shell of the femoral head can buckle into the cancellous bone supporting it. In order to examine the buckling scenario we performed numerical analysis of a realistic femoral head model. The analysis included a solution of the hip contact problem, which provided the contact pressure distribution, and subsequen...

Journal: :Romanian journal of morphology and embryology = Revue roumaine de morphologie et embryologie 2012
Diana Kamal D O Alexandru C K Kamal C T Streba D Grecu L Mogoantă

UNLABELLED The avascular necrosis of the femoral head is an illness induced by the cutoff of blood flow to the femoral head and it affects mostly young adults between the ages of 30 and 50 years, raising therapeutic and diagnostic issues. Many risk factors are incriminated in the development of avascular necrosis of the femoral head like: trauma, chronic alcohol consumption, smoking, administra...

2016
Rahadyan Magetsari

To design custom-made prosthesis in a certain population, the morphometry needs to be measured. The results of this study were expected to provide basic data to design the ideal size of the total hip arthoplasty prosthesis for Indonesian population. This was an anthropometric study conducted on sex matched 100 healthy Indonesian mongoloid race subjects based on Computer Tomographic (CT) imaging...

2016
Kai Wu Jianhua Huang Qiugen Wang

OBJECTIVE We aimed to analyze the intracapsular pressure of the hip joint following femoral neck fracture and its relationship to the position of the hip or to traction and (using superselective arteriography) to evaluate the blood supply to the femoral head and the influence of traction and hip position on the blood supply. SUBJECTS AND METHODS Twenty-six cases of fresh Garden type I-III fem...

2014
Akiyoshi Shimatani Fumiaki Inori Taku Yoshida Masahiko Tohyama Sadahiko Konishi Hirotsugu Ohashi

We present a case of osteonecrosis of femoral head (ONFH) that occurred after stent angiography of femoral artery for the treatment of arteriosclerosis obliterans (ASO) of left inferior limb in a 76-year-old woman. No case of late collapse of femoral head as a complication of endovascular procedure such as stent placement has been previously documented. We considered that ONFH occurred after de...

2017
Ozgur Selek Ahmet Y. Sarlak

PURPOSE We hypothesized that the central dislocation of the femoral head does generally not occur in transverse acetabular fractures, although it does usually occur in both column fractures. MATERIALS AND METHODS Fifty-two transverse and both column acetabular fracture cases were evaluated retrospectively. The distances between (a) the sciatic notch on the fracture side and the vertical axis ...

Journal: :Clinical cases in mineral and bone metabolism : the official journal of the Italian Society of Osteoporosis, Mineral Metabolism, and Skeletal Diseases 2017
Virginie Rampal Jean-Luc Clément Federico Solla

INTRODUCTION Legg-Calvé-Perthes Disease (LCPD) represents idiopathic avascular necrosis of femoral head in pediatric population. Indications for treatment depend mostly on prognosis about femoral head sphericity and hip congruence at the end of growth. The aim of this review is to highline prognostic factors of LCPD. METHODS Bibliographic search in PubMed allowed selection of 33 articles conc...

Journal: :The Journal of bone and joint surgery. British volume 1988
D M Williamson M K Benson

We describe 95 patients with previously treated congenital dislocation of the hip who underwent femoral osteotomy after the age of five years. The commonest indication for surgery was progressive uncovering and subluxation of the femoral head; other reasons were coxa vara, long leg dysplasia and persistent anteversion. Femoral osteotomy for uncovering of the femoral head (Severin Grade III) in ...

2005
ALFREDO BRODETTI

Failures in the treatment of fractures of the femoral neck are caused by several factors. Some of these, such as avascular necrosis of the femoral head, cannot be avoided. Other factors, such as inaccurate reduction or imperfect fixation, can be partly controlled. The possibility has long been considered that the nail itself and the disturbance caused by its introduction might damage the blood ...

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