نتایج جستجو برای: dependent stenosis

تعداد نتایج: 749637  

Journal: :iranian journal of radiology 0
mehdi alehossein advanced diagnostic and interventional radiology research center, tehran university of medical sciences, tehran, iran masoud pourgholami department of radiology, tehran university of medical sciences, tehran, iran kamyar kamrani department of pediatrics, tehran university of medical sciences, tehran, iran mohammad soltani department of radiology, tehran university of medical sciences, tehran, iran afshin yazdi department of radiology, tehran university of medical sciences, tehran, iran payman salamati advanced diagnostic and interventional radiology research center, tehran university of medical sciences, tehran, iran; advanced diagnostic and interventional radiology research center (adir), medical imaging center, imam khomeini hospital, tehran, iran. tel: +98-2166581579, fax: +98-2166581580

cutis laxa (cl) is a rare congenital and acquired disorder characterized by loose and redundant skin with reduced elasticity. three types of congenital cutis laxa have been recognized. other findings are pulmonary emphysema, bronchiectasia, hernia and diverticulosis. we describe a female neonate involved by cutis laxa syndrome and a positive family history. we focus on the radiologic findings o...

Journal: :Journal of vascular and interventional radiology : JVIR 2009
Helen M Nugent Yin-Shan Ng Desmond White Adam Groothius Glenn Kanner Elazer R Edelman

PURPOSE Endothelial cells, grown within gelatin matrices and implanted onto the adventitia of injured vessels, inhibit stenosis in experimental models. To determine if this technology could be adapted for minimally invasive procedures, the authors compared the effects of cells in an implantable sponge to that of an injectable formulation and investigated the importance of delivery site in a ste...

2016
Jingjing Cai Dan Wu Yongqian Mo Anxin Wang Shiyu Hu Lijie Ren

Extracranial arteriosclerosis usually indicates a high risk of ischemic stroke. In the past, a clinical decision following diagnosis was dependent on the percentage of vessel stenosis determined by an invasive technique. We aimed to develop a quantitative magnetic resonance (QMR) technique to evaluate artery structure and cerebral hemodynamics noninvasively.QMR and digital subtraction angiograp...

Journal: :the journal of tehran university heart center 0
morteza safi modarres hospital, cardiovascular research center, shaheed beheshti university of medical sciences, leila nojoomizadeh modarres hospital, cardiovascular research center, shaheed beheshti university of medical sciences, maryam taherkhani modarres hospital, cardiovascular research center, shaheed beheshti university of medical sciences, mohamadreza motamedi modarres hospital, cardiovascular research center, shaheed beheshti university of medical sciences, habibollah saadat modarres hospital, cardiovascular research center, shaheed beheshti university of medical sciences, mohammad hasan namazi modarres hospital, cardiovascular research center, shaheed beheshti university of medical sciences,

background: early clinical and retrospective angiographic evaluations indicated that in patients with acute myocardial infarction (mi), vulnerable plaques most often represented a mild luminal stenosis. more recent studies drawing upon prospective angiograms, however, have demonstrated that in majority of patients with acute mi, the underlying stenosis is significant.   methods: twenty-eight pa...

Journal: :the journal of tehran university heart center 0
seyed ebrahim kassaian tehran heart center, tehran university of medical sciences, tehran, iran. hamidreza goodarzynejad tehran heart center, tehran university of medical sciences, tehran, iran.

the management of carotid artery stenosis reduces the risk of stroke and its related deaths.   management options include risk factor modification and medical therapy, carotid endarterectomy (cea), and carotid artery stenting (cas). although several randomized controlled trials (rcts), mostly conducted in late-1980s and mid-1990s, have proved cea to be effective in the prevention of ipsilateral...

Journal: :iranian journal of neuro surgery 0
ibrahima tine * corresponding author address: unit of neurosurgery; principal hospital of dakar, nelson mandela avenue, b.p 3006, dakar, senegal, west africa. tel:+221338395050, fax:+221338395088. e-mail: [email protected] abdou a. diop unit of neurosurgery, principal hospital of dakar, dakar, senegal, west africa ababacar mbengue department of imaging, principal hospital of dakar, dakar, senegal, west africa abdou k. wimenga department of neurosurgery, university hospital center of fann, dakar, senegal, west africa paterne s. mudekereza department of neurosurgery, university hospital center of fann, dakar, senegal, west africa seydou b. badiane

background & importance: idiopathic stenosis of the foramina of magendie and luschka is a rare cause of obstructive hydrocephalus involving the fourth ventricle. case presentation: we reported the case of a 40-year-old woman who developed headaches and vertigo for several months and more recently gait disturbance. the ct scan showed quadri-ventricular hydrocephalus involving mainly the fourth v...

Journal: :anesthesiology and pain medicine 0
julien vaisman pain and wellness center, peabody, massachusetts, usa; pain and wellness center, peabody, massachusetts, usa. tel: +1-9788267230, fax: +1-9788261045 joe ordia pain and wellness center, peabody, massachusetts, usa

case presentation an 85 years old patient presented because of intractable right leg pain with minimal activities. she was diagnosed with significant right foraminal stenosis and she failed conservative non-invasive therapies. conclusions percutaneous lumbar hydro decompression can be a promising method for the treatment of the patients with lumbar spinal stenosis and neurogenic claudication se...

Journal: :acta medica iranica 0
m. midia z. miabi

by determining normal ranges of spinal canal diameters we can make early diagnosis in persons who have lower diameters of spinal canal. these persons are predisposed to spinal canal stenosis that is a major cause of spinal radiculopathies. in different studies performed in several countries, minimum and maximum ranges of spinal canal diameters were different for each population. in this study, ...

Journal: :acta medica iranica 0
mostafa behjati-ardakani department of pediatric cardiology, yazd cardiovascular research center, shahid sadoughi university of medical sciences, yazd, iran. seyed mahmood sadr-bafghi department of cardiology, yazd cardiovascular research center, shahid sadoughi university of medical sciences, yazd, iran. abbas andishmand department of cardiology, yazd cardiovascular research center, shahid sadoughi university of medical sciences, yazd, iran.

critical pulmonary valve stenosis (cpvs) and atrial septal defect (asd) is an uncommon form of congenital heart disease. concurrent transcatheter pulmonary valvuplasty and closure of secundum atrial septal defect appears to be an interesting alternative to surgical correction. we present the simultaneous balloon valvuloplasty of critical pulmonary stenosis (ps) with supra systemic right ventric...

Journal: :medical journal of islamic republic of iran 0
r.k gupta from the department of pathology kerman university of medical sciences, kerman, islamic republic of iran. m.h daie parizi from pediatrics, kerman university of medical sciences, kerman, islamic republic of iran. h tabrizchee from the department of pathology kerman university of medical sciences, kerman, islamic republic of iran.

in cases of congenital esophageal stenosis due to tracheobronchial remnants, symptoms of partial esophageal obstruction appear at the time of weaning or during early childhood. in the absence of esophagitis, esophagram combined with cinefluoroscopy demonstrates fixed stenosis of distal esophagus and appears to be diagnostic. dilatation of rigid stenosis is invariably unrewarding and surgical re...

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