PURPOSE Arch aneurysm combined with insufficient Zone 1 length remains challenging. While a chimney stentgraft with supra-aortic bypass is a recognized solution for arch aneurysm, no definite strategy has been established yet. The aim of this study was to investigate efficacy of chimney stentgraft for patients with zone 1 of insufficient length. METHODS Between 2011 and 2013, 10 consecutive p...

the globalization and urban development concepts are closely linked to each other. however, all cities around the world are not affected same by globalization, each one has its spatial and reciprocal international-local action. the international changes of economy, culture, and politics have huge effects on restructuring of cities around the world. the present study as a descriptive-analytical ...

Transparency has been seen as a significant aspect of successful humancomputer interaction. In this paper we investigate this concept from the point of view of activity theory. We show that transparency cannot be understood as a static feature of the interface, but that the crucial point in achieving transparent interaction is the ongoing development of unconscious operations, embedded in the p...

OBJECTIVE In our study we wanted to showed the safety, feasibility, efficacy and way how to solve the problems of endovascular repair for aortic dissection with insufficient proximal Landing Zone. METHODS The clinical data of all the patients with insufficient proximal Landing Zone (PLZ) for endovascular repair for aortic aneurism and dissection Stanford type B for the period from October 201...

Eighty years ago, L. S. Vygotsky complained that psychology was misled in studying thought independent of emotion. This situation has not signifi cantly changed, as most learning scientists continue to study cognition independent of emotion. In this book, the authors use cultural-historical activity theory as a perspective to investigate cognition, emotion, learning, and teaching in mathematics...

Objective- To describe the normal sonographic images of the soft tissues of the dorsal and palmar aspects of the fetlock region in the draught horses.   Design- Descriptive study.   Animals- Five clinically and radiographically normal draught male horses were used during this study.   Procedures- Horses were examined both radiographic and ultrasound ante mortem and post mortem. Based on the pro...