This book aims to serve as an up-to-date resource guide for understanding aneurysm. As it discusses basic researches related to aneurysm. It focuses on the analysis and handling of abdominal and thoracic aortic aneurysms. It will be helpful for vascular and cardiothoracic experts, and also for readers involved in vascular medication. The book attempts to compile recent information and achievements in this field of science. The objective of this book is to help experts in carrying their researches forward and produce some fruitful outcomes. It thoroughly describes all the aspects of abdominal and splenial aneurysm.