Portal hypertension has traditionally attracted great interest from physicians, surgeons, and radiologists owing to the accompanying high risk of gastrointestinal hemorrhage. Against this background the current volume, written by internationally recognized experts, sets out to provide a comprehensive coverage of the diagnosis and treatment of portal hypertension. An extensive description of the vascular anatomy of the portal system is given, and the pathophysiology and clinical characteristics of the disorder are reviewed. Both conventional and newer diagnostic techniques are then discussed and illustrated, particular attention being paid to techniques such as color Doppler and magnetic resonance that can simultaneously provide morphological and functional information. Medical, endoscopic, surgical, and radiological treatments are all considered, with special emphasis on the use of transjugular intrahepatic porto-systemic shunt (TIPS). Possible complications of treatment receive due attention, and avenues for future research are outlined. This volume will serve as an invaluable source of up-to-date information for all with an interest in the subject, and will provide a sound basis for therapeutic decision making.
This engaging book places Leonardo da Vinci’s scientific achievements within the wider context of the rapid development that occurred during the Renaissance. It demonstrates how his contributions were not in fact born of isolated genius, but rather part of a rich period of collective advancement in science and technology, which began at least 50 years prior to his birth. Readers will discover a very special moment in history, when creativity and imagination were changing the future—shaping our present. They will be amazed to discover how many technological inventions had already been conceived or even designed by the engineers and inventors who preceded Leonardo, such as Francesco di Giorgio and Taccola, the so-called Siena engineers. This engaging volume features a wealth of illustrations from a variety of original sources, such as manuscripts and codices, enabling the reader to see and judge for him or herself the influence that other Renaissance engineers and inventors had on Leonardo.
This book opens a new window to understanding the important role music played in the Renaissance. It was a means of popular and court entertainment and a tool for displaying the magnificence and power achieved by the lords of the time. Leonardo da Vinci, despite not being very well known for this skill, was one of the most famous improvisers and performers of the lira da braccio. However, his multifaceted scientific and technological knowledge pushed him far beyond the limit of being a good performer; his codices contain reflections on music, studies on the origin of the sound, and an extraordinary catalogue of new musical instruments. The book highlights the fact that Leonardo's profound knowledge of the workings of machines and natural phenomena was the starting point in foreshadowing many of the innovations that would be introduced after his death. This book will be of interest to academics and students in fields such as music, engineering and the arts.
Peter Zumthor was selected to construct the Swiss Pavilion at the Expo 2000 in Hanover, and to this end, he created an unusual wood structure. Looking at this work of art, this text notes that the structure is really an exhibition in itself.
Portal hypertension has traditionally attracted great interest from physicians, surgeons, and radiologists owing to the accompanying high risk of gastrointestinal hemorrhage. Against this background the current volume, written by internationally recognized experts, sets out to provide a comprehensive coverage of the diagnosis and treatment of portal hypertension. An extensive description of the vascular anatomy of the portal system is given, and the pathophysiology and clinical characteristics of the disorder are reviewed. Both conventional and newer diagnostic techniques are then discussed and illustrated, particular attention being paid to techniques such as color Doppler and magnetic resonance that can simultaneously provide morphological and functional information. Medical, endoscopic, surgical, and radiological treatments are all considered, with special emphasis on the use of transjugular intrahepatic porto-systemic shunt (TIPS). Possible complications of treatment receive due attention, and avenues for future research are outlined. This volume will serve as an invaluable source of up-to-date information for all with an interest in the subject, and will provide a sound basis for therapeutic decision making.
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