نتایج جستجو برای: time dependent stenosis
تعداد نتایج: 2496032 فیلتر نتایج به سال:
This is retrospective double-blind research, which was carried out in Imam Khomeini hospital in order to study the accuracy of color Doppler ultrasonography for detecting the site and grade of stenosis in cervical carotid artery. 40 patients with mean age of 62 years studied with color Doppler before DSA angiography. The most common sites of stenosis were left internal carotid (39.5%) and right...
Introduction: Nowadays caotid Dopplers sonography is gold standard for carotid artery screening in coronary aetery bypass grafting (CABG) candidates. This study was carried out in an angioplasty center in southern seaport in Iran to assesss theprevalence of artery stenosis and correlation of the atherosclerosis risk factor with the rate of artery stensis, and nence to define the high risk group...
OBJECTIVE Despite treatment with intravenous immunoglobulin (IVIG), the natural progression to coronary artery stenosis in Kawasaki disease is not well defined and remains a potential cause of long-term morbidity. We present a novel study, at a US tertiary paediatric care centre, identifying risk factors for stenosis. METHODS We reviewed charts of all children who underwent cardiac catheteris...
BACKGROUND ACCF/SCCT/ACR/AHA/ASE/ASNC/NASCI/SCAI/SCMR 2010 Appropriate Use Criteria for Cardiac Computed Tomography (AUC2010) does not incorporate prior coronary computed tomographic angiography (CCTA) results in the appropriateness of a CCTA examination. The purpose of this study was to explore the criteria for forgoing repeat CCTA among patients with clinical scenarios suggesting CCTA as appr...
The influence of passive vasomotion on the pressure drop-flow (delta P-Q) characteristics of a partially compliant stenosis was studied in an in vitro model of the coronary circulation. Twelve stenosis models of different severities (50 to 90 percent area reduction) and degrees of flexible wall (0 to 1/2 of the wall circumference) were inserted into thin-walled latex tubing and pressure and flo...
Background—Prosthesis-patient mismatch (P-PtM) after aortic valve replacement results in disturbed valve performance associated with increased pressure gradients. However, it is unknown whether this can be related to future structural valve deterioration (SVD) of the bioprosthesis. Methods and Results—In 564 patients (mean age, 74 5 years) receiving an aortic valve bioprosthesis, clinical follo...
TYPE: Case Report TOPIC: Transplantation INTRODUCTION: Airway complications, including granulation tissue formation, bronchial stenosis, and endobronchial infection, play an important role in allograft preservation after lung transplantation. CASE PRESENTATION: The patient is a 72-year-old man with history of idiopathic pulmonary fibrosis who received unilateral transplant (07/2019). His early ...
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