نتایج جستجو برای: stenosis

تعداد نتایج: 64914  

We report the case of a 23-year-old woman who died due to endograft stenosis 20 months after thoracic endovascular aortic repair. The patient presented with the pseudocoarctation syndrome. Although angioplasty of stenosis endograft was successfully performed, severe metabolic complications were lethal.

حسینی گوهری, لادن, فلاح, سودابه, فیروزرای, محسن, قاسمی, اصغر,

  Background & Aim: Serum paraoxonase (PON1) is an HDL (high density lipoprotein) associated esterase that prevents the oxidation of LDL (low density lipoprotein). A common polymorphism in coding region of the paraoxonase gene involving a Gln (Q) to Arg (R) interchange at position 192 has been demonstrated to affect PON1 activity. It has been shown that R alloenzyme is less efficient at prevent...

جلال مهدیزاده, , روح انگیز صفی خانی, , مازیار مطیعی لنگرودی, ,

Background: Prolonged endotracheal intubation is a growing method for supporting ventilation in patients who require intensive care. Despite considerable advancement in endotracheal intubation, this method still has some complications the most important is laryngo-tracheal injuries.                    Methods: Over a 2-year period, this retrospective study was conducted on 57 patients with hist...

Journal: :journal of lasers in medical sciences 0
hamidreza jabbardarjani tracheal disease research center, nritld, masih daneshvari hospital, shahid beheshti university of medical sciences, tehran, iran arda kiani chronic respiratory disease research center, nritld, masih daneshvari hospital, shahid beheshti university of medical sciences, tehran, iran negar sheikhi tracheal disease research center, nritld, masih daneshvari hospital, shahid beheshti university of medical sciences, tehran, iran mohammad reza masjedi

introduction: acquired tracheal stenosis can be created by various malignant or benign causes. the most common cause of acquired non-malignant tracheal stenosis is endotracheal intubation, even for a short period. argon plasma coagulation is a non-contact method of thermal hemostasis. argon plasma coagulation can be used easily and fast and has low depth of penetration.  methods: this study is ...

A.A Vahidi GH Kianimoghadam M.H Torabinejhad

Heart murmurs are a common finding during physical examination of children but most of them are innocent or normal.recognizing the etiology of heart murmurs can help us in differential diagnosis of them.the peresent study was undertaken to determine the prevalence and etiology of heart murmurs  in 4761 school children.the sex ratio was nearly 1:1 ,murmurs were heard in 459 students (9.64%) with...

Journal: :anesthesiology and pain medicine 0
laxmaiah manchikanti department of anesthesiology and perioperative medicine, university of louisville, louisville, usa; pain management center of paducah, paducah, usa; pain management center of paducah, paducah, usa. tel: +1-2705548373, fax: +1-2705548987 alan david kaye department of anesthesia, lsu health science center, new orleans, usa kavita manchikanti university of kentucky medical school, university of kentucky, lexington, usa mark boswell department of anesthesiology and perioperative medicine, university of louisville, louisville, usa vidyasagar pampati department of anesthesiology and perioperative medicine, university of louisville, louisville, usa joshua hirsch massachusetts general hospital, harvard medical school, boston, ma, usa

context lumbar central spinal stenosis is common and often results in chronic persistent pain and disability, which can lead to multiple interventions. after the failure of conservative treatment, either surgical or nonsurgical modalities such as epidural injections are contemplated in the management of lumbar spinal stenosis. evidence acquisition recent randomized trials, systematic reviews an...

Journal: :jentashapir journal of health research 0
soheila chamanian atherosclerosis prevention research center, imam reza hospital, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran majid jalalyazdi atherosclerosis prevention research center, imam reza hospital, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran reza jafarzadeh esfehani student research center, sabzevar university of medical sciences, sabzevar, ir iran; atherosclerosis prevention research center, imam reza hospital, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran. tel: +98-9354851877, fax: +98-5144264462 nima nakhaii faculty of medicine, mashhad university of medical sciences, mashhad, ir iran

conclusions full echocardiographic examination of the right ventricle, including rvot is essential for the diagnosis of this disease. surgical correction appears to be a successful strategy for management of this rare condition in adults. case presentation we report a 40-year-old man who was referred to cardiology clinic for work-up of dyspnea and a heart murmur found on his physical examinatio...

Journal: :acta medica iranica 0
hamid reza davari department of thoracic surgery, imam khomeini hospital, tehran university of medical sciences, tehran, iran. sahar latifi department of thoracic surgery, imam khomeini hospital, tehran university of medical sciences, tehran, iran.

a twenty-year-old girl was referred with tracheal stenosis (ts) which was a consequence of prolonged intubation after head injury because of previous car accident. the patient was aphasic and had normal respiration. fiberoptic bronchoscopy showed complete tracheal obstruction at second tracheal ring level. distal trachea was normal through tracheostomy tube. removal of the tracheostomy tube and...

Journal: :international journal of advanced design and manufacturing technology 0
sina zanousi ms student of mechanical engineering babol noshiravani university of technology, iran ruzbeh shafaghat assist. prof., mech. eng., babolnoshiravani university of technology, babol, iran. qadir esmaili assist. prof., mech. eng., ayatollah amoli branch, islamic azad university, amol, iran.

in this study, flow characteristics through symmetric stenosis artery are investigated. the shape of eccentricity for stenotic flows is limited by circular-cross sections and plaques are usually assumed as to be oriented concentrically. thegoverningequationsaretheusualnavier-stokesequationsandare numericallysolved by using finite volumemethod in arbitrary orthogonal curvilinear coordinates. in ad...

Journal: :iranian journal of pediatric surgery 0
leili mohajerzadeh pediatric surgery research center, shahid beheshti university of medical sciences, tehran, iran javad ghoroubi pediatric surgery research center, shahid beheshti university of medical sciences, tehran, iran fathollah roshanzamir pediatric surgery research center, shahid beheshti university of medical sciences, tehran, iran hamidreza alizadeh iran university of medical sciences, tehran, iran

introduction: in order to assess our skill in the tubularized incised plate (tip) urethroplasty technique in children with hypospadias. material andmethods: of 307 children (mean age 38 month) who received a tip urethroplasty, all had primary hypospadias. patients who were referred with complication were eliminated from our study. the hypospadias defects were subcoronal in 25 (8%), distal penil...

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