نتایج جستجو برای: closure time
تعداد نتایج: 1935769 فیلتر نتایج به سال:
Background and purpose: Cardiovascular diseases is the leading cause of death in the world. Over the last decades, open heart surgery reduced the mortality rate of these patients. The long saphenous vein is most commonly-used conduit in coronary artery bypass surgery. Complications associated with its harvest can lead to significant patient morbidity. We aimed to determine the optimal method...
background: the ductus arteriosus connects the main pulmonary trunk to the descending aorta. the incidence of isolated patent ductus arteriosus (pda) in full-term infants is about 1 in 2000. the amplatzer ductal occluder (ado) is recommended for pdas with sizes larger than 2 mm. in this procedure, we must confirm the ado position in pda by aortogram from the arterial line. the purpose of this s...
Background : Pilonidal disease incidence is increasing ) 26 people per 100,000 (aged 18 - 40 years old. As a matter of fact, this age range is the most optimal time of anindividual social and economic activities. Thus it was decided to assess the prognosis in patients with pilonidal sinus surgery in Shohada hospital of Khorramabad during 2005-2012. ...
Introduction: antimicrobial activity of irrigants and interappointment intracanal dressing is an important consideration in endodontics . The aim of this study was to evaluate the clinical efficacy of chemomechanical preparation of the necrotic canals with different irrigants and intra canal dressing in the control of root canal infection and sinus tract closure. Materials &Methods: In this ...
Background and Aim: According to previous studies, surgical closure of atrial septal defects (ASDs) was considered as the standard treatment. Two surgical methods, the conventional sternotomy (CSA: median sternotomy) and anterlateral thoracotomy were used. This study was carried out to compare early results of the two techniques in ASD's closure. Materials and Methods: In this descriptive-anal...
background pilonidal disease is a common condition that affects younger people in which over half of the affected patients present with a sacrococcygeal abscess. this study was performed to compare the outcome of excision and primary closure with that of rhomboid excision and flap procedure in patients with uncomplicated pilonidal disease. methods a total of 90 consecutive patients with piloni...
Introduction: The most common type of velopharyngeal valve (VPV) closure is a matter of controversy.The aim of this study was to estimate the most common type of VPV closure, including identification of the type and grade of VPV closure among Egyptian children. Materials and Methods: This study included patients who were candidates for adenotonsillectomy. In these cases, video-nasoendoscopy an...
Four explicit finite difference schemes, including Lax-Friedrichs, Nessyahu-Tadmor, Lax-Wendroff and Lax-Wendroff with a nonlinear filter are applied to solve water hammer equations. The schemes solve the equations in a reservoir-pipe-valve with an instantaneous and gradual closure of the valve boundary. The computational results are compared with those of the method of characteristics (MOC), a...
background: percutaneous transcatheter closure has been proposed as an alternative to surgical closure or long-term anticoagulation in patients with presumed paradoxical embolism and patent foramen ovale (pfo). methods: there were two symptomatic patients (29 and 47 years old) who underwent percutaneous transcatheter closure of pfo after at least two events of cerebral ischemia; one embolic eve...
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