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Author: K. Messmer Publisher: S. Karger AG (Switzerland) ISBN: Category : Medical Languages : en Pages : 204
Book Description
Compromised perfusion indicates the inability of the cardiovascular system to sustain the normal distribution of blood flow within the entire body and can be defined as a reduction of perfusion pressure leading to the exclusion of single capillaries or groups of capillaries. Occurring in patients subjected to shock, trauma, extensive surgery and organ transplantation, it reduces the surface area available for exchange of nutrients and metabolites with the consequence of tissue hypoxia and accumulation of waste products. To counteract compromised perfusion hypertonic/hyperoncotic saline/dextran solutions are used efficiently. This book presents an overview of the most recent findings from studies investigating compromised perfusion. The selected contributions discuss the mechanistic effects and side effects of small volume resuscitation, as well as specific effects of dextran in the field of organ conservation and post-ischemic leukocyte/endothelium interaction. Furthermore, specific aspects of the biology and pathophysiology of microvascular endothelium are considered. Providing a critical review of recent advances, this volume serves as an excellent source of information for all those interested in both clinical and experimental microcirculation research.
Author: K. Messmer Publisher: S. Karger AG (Switzerland) ISBN: Category : Medical Languages : en Pages : 204
Book Description
Compromised perfusion indicates the inability of the cardiovascular system to sustain the normal distribution of blood flow within the entire body and can be defined as a reduction of perfusion pressure leading to the exclusion of single capillaries or groups of capillaries. Occurring in patients subjected to shock, trauma, extensive surgery and organ transplantation, it reduces the surface area available for exchange of nutrients and metabolites with the consequence of tissue hypoxia and accumulation of waste products. To counteract compromised perfusion hypertonic/hyperoncotic saline/dextran solutions are used efficiently. This book presents an overview of the most recent findings from studies investigating compromised perfusion. The selected contributions discuss the mechanistic effects and side effects of small volume resuscitation, as well as specific effects of dextran in the field of organ conservation and post-ischemic leukocyte/endothelium interaction. Furthermore, specific aspects of the biology and pathophysiology of microvascular endothelium are considered. Providing a critical review of recent advances, this volume serves as an excellent source of information for all those interested in both clinical and experimental microcirculation research.
Author: D. Neil Granger Publisher: Morgan & Claypool Publishers ISBN: 1615041656 Category : Medical Languages : en Pages : 99
Book Description
The microcirculation is highly responsive to, and a vital participant in, the inflammatory response. All segments of the microvasculature (arterioles, capillaries, and venules) exhibit characteristic phenotypic changes during inflammation that appear to be directed toward enhancing the delivery of inflammatory cells to the injured/infected tissue, isolating the region from healthy tissue and the systemic circulation, and setting the stage for tissue repair and regeneration. The best characterized responses of the microcirculation to inflammation include impaired vasomotor function, reduced capillary perfusion, adhesion of leukocytes and platelets, activation of the coagulation cascade, and enhanced thrombosis, increased vascular permeability, and an increase in the rate of proliferation of blood and lymphatic vessels. A variety of cells that normally circulate in blood (leukocytes, platelets) or reside within the vessel wall (endothelial cells, pericytes) or in the perivascular space (mast cells, macrophages) are activated in response to inflammation. The activation products and chemical mediators released from these cells act through different well-characterized signaling pathways to induce the phenotypic changes in microvessel function that accompany inflammation. Drugs that target a specific microvascular response to inflammation, such as leukocyte-endothelial cell adhesion or angiogenesis, have shown promise in both the preclinical and clinical studies of inflammatory disease. Future research efforts in this area will likely identify new avenues for therapeutic intervention in inflammation. Table of Contents: Introduction / Historical Perspectives / Anatomical Considerations / Impaired Vasomotor Responses / Capillary Perfusion / Angiogenesis / Leukocyte-Endothelial Cell Adhesion / Platelet-Vessel Wall Interactions / Coagulation and Thrombosis / Endothelial Barrier Dysfunction / Epilogue / References
Author: Michitoshi Inoue Publisher: Springer Science & Business Media ISBN: 4431683674 Category : Medical Languages : en Pages : 330
Book Description
Research centering on blood flow in the heart continues to hold an important position, especially since a better understanding of the subject may help reduce the incidence of coronary arterial disease and heart attacks. This book summarizes recent advances in the field; it is the product of fruitful cooperation among international scientists who met in Japan in May, 1990 to discuss the regulation of coronary blood flow.
Author: Marilyn J. Cipolla Publisher: Biota Publishing ISBN: 1615047239 Category : Medical Languages : en Pages : 82
Book Description
This e-book will review special features of the cerebral circulation and how they contribute to the physiology of the brain. It describes structural and functional properties of the cerebral circulation that are unique to the brain, an organ with high metabolic demands and the need for tight water and ion homeostasis. Autoregulation is pronounced in the brain, with myogenic, metabolic and neurogenic mechanisms contributing to maintain relatively constant blood flow during both increases and decreases in pressure. In addition, unlike peripheral organs where the majority of vascular resistance resides in small arteries and arterioles, large extracranial and intracranial arteries contribute significantly to vascular resistance in the brain. The prominent role of large arteries in cerebrovascular resistance helps maintain blood flow and protect downstream vessels during changes in perfusion pressure. The cerebral endothelium is also unique in that its barrier properties are in some way more like epithelium than endothelium in the periphery. The cerebral endothelium, known as the blood-brain barrier, has specialized tight junctions that do not allow ions to pass freely and has very low hydraulic conductivity and transcellular transport. This special configuration modifies Starling's forces in the brain microcirculation such that ions retained in the vascular lumen oppose water movement due to hydrostatic pressure. Tight water regulation is necessary in the brain because it has limited capacity for expansion within the skull. Increased intracranial pressure due to vasogenic edema can cause severe neurologic complications and death.
Author: Dhanjoo N Ghista Publisher: World Scientific ISBN: 9814475386 Category : Medical Languages : en Pages : 612
Book Description
For the first time, this invaluable book shows how cardiac perfusion and pumping can be quantified and correlated. Self-contained and unified in presentation, the explanations in the compendium are detailed enough to capture the reader's curiosity and complete enough to provide the background material to explore further into the subject.Mathematically rigorous and clinically oriented, the book is a major resource for biomedical engineers, cardiologists, cardiac surgeons and clinicians. For students, it is an ideal textbook for senior-level courses in cardiovascular engineering.
Author: Vicki Clark Publisher: Oxford University Press ISBN: 0198713339 Category : Medical Languages : en Pages : 1017
Book Description
This textbook provides an up-to-date summary of the scientific basis, assessment for and provision of anaesthesia throughout pregnancy and labour. It is divided into nine sections including physiology, assessment, complications and systemic disease.
Author: D. Gareth Beevers Publisher: John Wiley & Sons ISBN: 1405171359 Category : Medical Languages : en Pages : 89
Book Description
Hypertension is a condition which affects millions of peopleworldwide and its treatment greatly reduces the risk of strokes andheart attacks. This fully revised and updated edition of the ABCof Hypertension is an established guide providing all thenon-specialist needs to know about the measurement of bloodpressure and the investigation and management of hypertensivepatients. This new edition provides comprehensively updated andrevised information on how and whom to treat. The ABC of Hypertension will prove invaluable to generalpractitioners who may be screening large numbers of patients forhypertension, as well as nurse practitioners, midwives and otherhealthcare professionals.
Author: Aidan Ward Publisher: Elsevier Health Sciences ISBN: 0323873928 Category : Medical Languages : en Pages : 1113
Book Description
Paramedic Principles and Practice in the UK is a key textbook designed to support paramedicine students in this country throughout their studies. The volume takes a practical approach, with case histories covering a broad range of clinical presentations and treatments, all incorporating a patient-centric perspective that acknowledges the longer patient journey. This must-have textbook will not only arm readers with technical knowledge and expertise, but also with the non-technical principles of the profession, developing future paramedics who are able to provide a safe and effective management plan in the out-of-hospital environment. - Aligned to UK paramedicine curricula - More than 40 detailed case studies covering essential pathologies most commonly seen by UK paramedics, as well as less typical scenarios - Evidence-based clinical decision-making models to support paramedics in practice - Essential physiological concepts to help readers bridge the gap from principles to practice - Focus on the wellbeing of both the patient and the paramedic - Useful appendices including medications commonly encountered in paramedic settings
Author: Maxime Cannesson Publisher: Cambridge University Press ISBN: 1316061442 Category : Medical Languages : en Pages : 301
Book Description
This unique book provides clinicians and administrators with a comprehensive understanding of perioperative hemodynamic monitoring and goal directed therapy, emphasizing practical guidance for implementation at the bedside. Successful hemodynamic monitoring and goal directed therapy require a wide range of skills. This book will enable readers to: • Detail the rationale for using perioperative hemodynamic monitoring systems and for applying goal directed therapy protocols at the bedside • Understand the physiological concepts underlying perioperative goal directed therapy for hemodynamic management • Evaluate hemodynamic monitoring systems in clinical practice • Learn about new techniques for achieving goal directed therapy • Apply goal directed therapy protocols in the perioperative environment (including emergency departments, operating rooms and intensive care units) • Demonstrate clinical utility of GDT and hemodynamic optimization using case presentations. Illustrated with diagrams and case examples, this is an important resource for anesthesiologists, emergency physicians, intensivists and pneumonologists as well as nurses and administrative officers.
Author: K. Messmer
Author: K. Messmer
Author: D. Neil Granger
Author: Michitoshi Inoue
Author: Marilyn J. Cipolla
Author: Dhanjoo N Ghista
Author: Vicki Clark
Author: D. Gareth Beevers
Author: Arun Gupta
Author: Aidan Ward
Author: Maxime Cannesson