نتایج جستجو برای: stenosis
تعداد نتایج: 64914 فیلتر نتایج به سال:
background: carotid artery stenting (cas) has recently been recommended as an alternative to carotid endarterectomy (cea) by some clinicians. objective: this study was designed to evaluate the success rate and in-hospital and 30-day adverse events in our first experiences in iran for cas with protection devices, to document our results and guide further use of cas. methods: from december 2003 t...
conclusions stents would be regarded as a temporary means of reaching the ideal condition for resection and reconstruction in most patients with tracheal stenoses. although an optimal stent has not been introduced yet, we used polyflex stents in most of our patients with tracheal stenosis due to its availability and ease of use. we suggest that this method is safe and less time consuming than i...
Background: Epidemiological studies have suggested an association between higher body iron stores and coronary artery disease. It is believed that inflammation and oxidation are important mechanisms involved in the complex pathological process of atherogenesis. Free radical production is catalyzed and accelerated in the presence of iron. The determination of plasma ferritin levels is a convenie...
Background: Pulmonary valve stenosis (PS) is one of the most common congenital heart disease in children. Isolated pulmonary stenosis is the most common form of pulmonary stenosis. Isolated Pulmonary stenosis is responsible for 8 to 10 percent of congenital heart disease. Balloon valvuloplasty is the choice of treatment for this cardiac disease. One of the most important complications of this d...
Introduction: Laryngotracheal stenosis can be caused after traumatic injuries to the neck from the subglottic larynx to the trachea. Patients with laryngotracheal stenosis often need a tracheotomy and occasionally may become tracheotomy dependent. Different procedures have been described for the management of these lesions. Management options include techniques of endoscopic dilation, laser res...
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the purpose of this research is to numerically investigate the interaction of pulsatile flow of blood with an axisymmetric artery in various percentages of stenosis. the carreau non-newtonian model and the generalized maxwell rheological model were used to model the blood fluid and the viscoelastic wall of arterial, respectively. the innovation of the present research is modeling of viscoelasti...
Abstract Background: Coronary artery disease, (CAD) is an important risk for morbidity and mortality. Because of controversial reports about relation between high-sensitivity C-reactive protein (hs-CRP) level and the severity of coronary artery stenosis, this study was done in Taleghani Hospital. Methods: In this case-control study 85 patients with CAD undergoing coronary angiography were ...
A Case Report of Progressive Dysphagia and Pigmented Oral and Skin Lesions: Esophageal Lichen Planus
Lichen planus (LP) is a relatively uncommon, chronic inflammatory disease with idiopathic pathogenesis that usually involves skin, nails, and mucous membranes. Esophageal involvement in LP is rarely seen, despite the classification of the esophagus as a mucous membrane. Esophageal lichen planus is common in middle aged women, with symptoms such as dysphagia and odynophagia. This paper presents ...
background: subglottic stenosis is defined as inflammatory narrowing of the airway. it can be related to trauma, intubation, autoimmune disorders, vascular malformations, infection and congenital abnormalities. pot-wine stain (pws) is a small dermis venous malformation which is present at birth. pws is found on face and neck, but can occur in throat and can cause subglottic stenosis. case repor...
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