BACKGROUND AND PURPOSE We sought to determine the incidence of recurrent stenosis after carotid endarterectomy. METHODS One thousand consecutive carotid endarterectomy patients were followed prospectively. The surgery was performed in a standard fashion. Cerebral protection was provided with intraoperative electroencephalographic monitoring and selective shunting. All arteriotomies were repai...

polymeric yarns for reinforcing cement composites have got great interest in all over the world. in this research the performance of bonding between nylon tire cord grad yarns, and one kind of cement composite called fine grained concrete was studied. two kinds of nylon cord yarns, nylon 6 and 66, with different finesse were selected. the durability of yarns with time in alkaline media was inve...

sustainable architecture is known as an important strategy in recent years and all around the world are cooperating to achieve this by use of natural elements. there are many examples of residential buildings in iran s past and its traditional architecture that the architecture in the interim of paying attention to aesthetic issues and preserving the natural environment acts in a way that meets...

Transcatheter aortic valve (TAV) intervention is now the standard-of-care treatment for inoperable patients and a viable alternative treatment option for high-risk patients with symptomatic aortic stenosis. While the procedure is associated with lower operative risk and shorter recovery times than traditional surgical aortic valve (SAV) replacement, TAV intervention is still not considered for ...

this article has conducted to examine different methods of selecting students in order to improve the quality of learning in architecture. the main question is to identify a series of appropriate criteria to examine and select qualified applicants for entering into the schools of architecture. this article tries to find a practical way for selecting students to study architecture. the nature of...

the aim of this study was to evaluate the effect of chlorhexidine (chx) application on immediate and two-month bond strength of a filled adhesive system. methods: forty eight non-carious human third molars without enamel of occlusal surface were randomly divided into two main groups according to chx application: control and chx. each main group was further subdivided into 2 subgroups depending ...

Software is neither material nor immaterial but durable, entrenched and scaffolded. In this article we suggest that services and software should be understood through the diverse forms of durability and temporality they take. We borrow concepts from evolution and development, but with a critical eye towards the diagnosis of value(s) and the need for constant maintenance. We look at examples fro...