Tissue Engineering of Prosthetic Vascular Grafts PDF Download
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Author: Peter Paul Zilla
Publisher: Landes Bioscience
ISBN:
Category : Medical
Languages : en
Pages : 660
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Book Description
Author: Peter Paul Zilla
Publisher: Landes Bioscience
ISBN:
Category : Medical
Languages : en
Pages : 660
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Book Description
Author:
Publisher: ASTM International
ISBN: 0803104626
Category : Blood-vessel prosthesis
Languages : en
Pages : 353
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Book Description
Author: Feng Zhao
Publisher: Humana
ISBN: 9781071617106
Category : Science
Languages : en
Pages : 0
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Book Description
This volume explores the latest techniques used to study the field of tissue engineered vascular grafts (TEVGs). The chapters in this book cover a wide array of topics such as deriving vascular cells from monocytes and induced pluripotent stem cells; engineering vascular grafts using various biomaterials and stem cells, stem cell-derived, or primary vascular cells; biomaterial modification by anticoagulation molecules; vascular bioengineering technologies such as 3D bioprinting; and fabrication of TEVGs with different geometry and multiphase structures. This book also features protocols for grafting and evaluation of vascular grafts in animal models, vascular imaging in animals, and the quantification of blood vessel permeability. Written in the highly successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Cutting-edge and practical, Vascular Tissue Engineering: Methods and Protocols is a valuable resource for biomedical engineers, cell biologists, vascular surgeons, doctors, and nurses.
Author: Peter Paul Zilla
Publisher:
ISBN: 9781597342636
Category : Biomedical materials
Languages : en
Pages : 621
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Book Description
This book is about the perfect vascular graft: A hypothetical discussion of what it is and how one may go about producing it. By exploring some basic biological areas and introducing the background of clinical and pathological failures and demands, this book shall serve as a comprehensive guide, furthering the research initiatives of academic vascular surgeons, scientists and industry researchers.
Author: Beat H. Walpoth
Publisher: Springer
ISBN: 9783030053376
Category : Science
Languages : en
Pages : 588
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Book Description
Cardiovascular diseases are still the leading cause of death in developed countries. Revascularization procedures such as coronary artery and peripheral bypass grafts, as well as access surgery represent a 2$ billion market yearly for the US alone. Despite intense research over many decades, no clinically suitable, shelf-ready, synthetic, vascular, small-caliber graft exists. There is therefore still a quest for such a clinical vascular prosthesis for surgical revascularization procedures and access surgery. Many approaches have been tried and are currently under investigation with promising results. These range from acellular and cell-based, stable or bio-degradable, synthetic scaffolds to biological or decellularized grafts, not forgetting self-assembly technologies for in vitro or in vivo VTE. All these approaches can be further enhanced by functionalization, e.g. with growth factors and drug elution. This updatable book aims to cover all the relevant aspects of Vascular Tissue Engineering (VTE) and novel alternatives to develop vascular grafts for clinical applications. The chapters in this book cover different aspects of manufacturing scaffolds with various polymers, mechanical characteristics, degradation rates, decellularization techniques, cell sheet assembly, 3-D printing and autologous mandril-based VTE. All the necessary in vitro tests such as biocompatibility and thrombogenicity are reviewed. Pre-clinical assessment of in vivo experimental models include patency, compliance, intimal hyperplasia, inflammatory reaction, cellular ingrowth and remodeling. Finally, early clinical trials will be periodically updated regarding results, regulatory aspects and post-marketing quality assessment. Furthermore, the reader should get an insight into various approaches, technologies and methods to better understand the complexity of blood surface and cell interactions in VTE. Translational research has yielded early human applications clearly showing the enormous need of research in the field to provide better solutions for our patients and this continuously updated book will hopefully become a reference in the field for life sciences.
Author: Robert Fitridge
Publisher: University of Adelaide Press
ISBN: 1922064009
Category : Medical
Languages : en
Pages : 589
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Book Description
New updated edition first published with Cambridge University Press. This new edition includes 29 chapters on topics as diverse as pathophysiology of atherosclerosis, vascular haemodynamics, haemostasis, thrombophilia and post-amputation pain syndromes.
Author: Sigmund Adam Wesolowski
Publisher:
ISBN:
Category : Blood vessel prosthesis
Languages : en
Pages : 192
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Book Description
Author: Beat H. Walpoth
Publisher: Springer
ISBN: 9783030053352
Category : Science
Languages : en
Pages : 0
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Book Description
Cardiovascular diseases are still the leading cause of death in developed countries. Revascularization procedures such as coronary artery and peripheral bypass grafts, as well as access surgery represent a 2$ billion market yearly for the US alone. Despite intense research over many decades, no clinically suitable, shelf-ready, synthetic, vascular, small-caliber graft exists. There is therefore still a quest for such a clinical vascular prosthesis for surgical revascularization procedures and access surgery. Many approaches have been tried and are currently under investigation with promising results. These range from acellular and cell-based, stable or bio-degradable, synthetic scaffolds to biological or decellularized grafts, not forgetting self-assembly technologies for in vitro or in vivo VTE. All these approaches can be further enhanced by functionalization, e.g. with growth factors and drug elution. This updatable book aims to cover all the relevant aspects of Vascular Tissue Engineering (VTE) and novel alternatives to develop vascular grafts for clinical applications. The chapters in this book cover different aspects of manufacturing scaffolds with various polymers, mechanical characteristics, degradation rates, decellularization techniques, cell sheet assembly, 3-D printing and autologous mandril-based VTE. All the necessary in vitro tests such as biocompatibility and thrombogenicity are reviewed. Pre-clinical assessment of in vivo experimental models include patency, compliance, intimal hyperplasia, inflammatory reaction, cellular ingrowth and remodeling. Finally, early clinical trials will be periodically updated regarding results, regulatory aspects and post-marketing quality assessment. Furthermore, the reader should get an insight into various approaches, technologies and methods to better understand the complexity of blood surface and cell interactions in VTE. Translational research has yielded early human applications clearly showing the enormous need of research in the field to provide better solutions for our patients and this continuously updated book will hopefully become a reference in the field for life sciences.
Author: Emily Yu
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
The demand for small-diameter blood vessel substitutes has been increasing due to a shortage of autograft vessels and problems with thrombosis and intimal hyperplasia with synthetic grafts. To design a feasible vascular graft, biocompatibility and comparable mechanical behaviors to natural tissues are two essential requirements. In this study, various types of small-diameter vascular grafts made of natural silk fibroin and synthetic polymers, including thermoplastic polyurethane (TPU) and poly-L-lactide (PLLA), by braiding and electrospinning techniques will be introduced. Market-available degummed silk fibroin yarns were incorporated in a braiding and coating process with a lab-extracted fibroin solution to produce vascular grafts with adjustable mechanical properties. By altering the braiding and winding patterns and the type of yarn, braided fibroin tubes were able to reach artery-like mechanical performance. Natural silk fibroin possesses the characteristics of biocompatibility, low- or non-immunogenicity, relatively slow proteolytic degradation, robust mechanical properties, and low thrombogenicity that make it a promising material for vascular engineering. Two types of customized collectors have been developed for the electrospinning process to fabricate vascular grafts that mimic the structure of elastic layers and collagen fibers in natural blood vessels. The materials used here were blends of natural fibroin and synthetic polymers at different ratios to leverage their bioactivity and tunable mechanical properties. The first type of collector was a striated collector with grooves and ridges that created the continuous aligned-random fibrous sheet for producing tubular grafts with alternating aligned- and randomly-oriented layers. The other collector was an assembled rotating collector for generating grafts with circumferentially-aligned wavy fibers due to the dynamic "jumping rope" collecting process. Electrospun fibers were collected by a mandrel with changeable diameters during and after the electrospinning process to generate a continuous wavy-flat alternating structure in the circumferential direction. Small-diameter vascular grafts fabricated in this study exhibited similar mechanical behaviors to natural blood vessels. Vascular cell culture tests verified the ability of lab-extracted fibroin in promoting cell activities and the feasibility of commodity-grade degummed silk yarns in medical applications after sufficient cleaning. Cell responses on fibroin/TPU electrospun grafts also presented positive results with high cell viability, adhesion, and migration
Author: Frederick Silver
Publisher: Springer Science & Business Media
ISBN: 9780412412608
Category : Technology & Engineering
Languages : en
Pages : 318
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Book Description
are then selected and must meet the general 'biocompatibility' require ments. Prototypes are built and tested to include biocompatibility evalua tions based on ASTM standard procedures. The device is validated for sterility and freedom from pyrogens before it can be tested on animals or humans. Medical devices are classified as class I, II or III depending on their invasiveness. Class I devices can be marketed by submitting notification to the FDA. Class II and III devices require either that they show equivalence to a device marketed prior to 1976 or that they receive pre-marketing approval. The time from device conception to FDA approval can range from months (class I device) to in excess of ten years (class III device). Therefore, much planning is necessary to pick the best regulatory approach. 2. Wound Dressings and Skin Replacement 2.1 Introduction Wounds to the skin are encountered every day. Minor skin wounds cause some pain, but these wounds will heal by themselves in time. Even though many minor wounds heal effectively without scarring in the absence of treatment, they heal more rapidly if they are kept clean and moist. Devices such as Band-Aids are used to assist in wound healing. For deeper wounds, a variety of wound dressings have been developed including cell cultured artificial skin. These materials are intended to promote healing of skin damaged or removed as a result of skin grafting, ulceration, burns, cancer excision or mechanical trauma.
