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Blood Flow in the Heart and Large Vessels
Cardiovascular fluid mechanics is now used as a tool in determining diagnosis, treatment, and prognosis by physicians and surgeons working in the fields of cardiology and angiology. The text is based on a considerable amount of clinical and experimental data on blood flow in the heart and large vessels obtained using various methods such as ultrasound pulsed Doppler velocimetry (including Doppler color flow imaging), catheter-tip electromagnetic velocimetry, hot-film anemometry, and laser Doppler velocimetry. The book will introduce medical researchers and clinicians to this rapidly developing field and allow them to apply the knowledge and the methods of fluid mechanics to practical medicine.
Recent Advances in Nitric Oxide Research
The International Symposium on Recent Advances in Nitric Oxide Research was held in Sapporo, Japan, in September 1997. Researchers from Japan and the United States met to share their most recent findings on the controversial function of NO in the human body. The papers contained in this volume, which were presented at the Sapporo Symposium, focus on newly discovered mechanisms of NO production and NO toxicity. The book consits of four parts: NO and Cell Function, NO and Circulation, NO Production, and NO and Liver. Included are reports of NO research in a number of areas of medical science and practice-hypertension, tumor growth, critical care, hepatic surgery, geriatrics, and gynecology. Recent Advances in Nitric Oxide Research is a valuable recource for researchers and practitioners alike.
Angiotensin II Receptor Blockade Physiological and Clinical Implications
The relationship between angiotensin II and hypertension was established in 1898 when angiotensin II was shown to modulate systemic blood pressure. Over the intervening decades, a complete characterization of the renin-angiotensin system (RAS) has been achieved, and our understanding of its biochemistry and physiology has led to the directed development of agents such ·as ACE inhibitors and receptor antagonists capable of controlling hypertension. More recently, it was shown that angiotensin II is secreted within certain tissues and that these tissue-specific systems operate independently of the systemic RAS. The novel concept that angiotensin II regulates a number of cardiovascular process...
Regulation of Coronary Blood Flow
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.
Heart Hypertrophy and Failure
Heart Hypertrophy and Failure brings together leading basic scientists and clinicians, presenting improved knowledge of the pathophysiology and treatment of the condition. The result is a synthesis of state-of-the-art information on molecular biology, cellular physiology and structure-function relationships in the cardiovascular system in health and disease. The papers presented describe fundamental mechanisms underlying changes in the cellular machinery during the development of cardiac hypertrophy and heart failure. Audience: Students, scientists, clinical and experimental cardiologists who seek to understand and manage the perplexing problems of hypertrophy and heart failure.
Heart Failure
Remarkable progress has been made in understanding and treating heart failure. Among other developments, angiotensin-converting enzyme inhibitors and b blockers have been found to have beneficial therapeutic effects, reinforcing the view that heart failure may be both a hemodynamic and a neurohumoral disorder. The Japanese Heart Failure Society was established to curb the threat of heart failure through research, education, and clinical practice. At the Societys 2nd Annual Scientific Meeting in Sapporo, molecular biologists, physiologists, clinicians, surgeons, and researchers in related fields met to strengthen professional bonds for the ultimate goal of preventing death from heart failure. This book contains presentations from the Sapporo conference that provide new insights into heart failure in the areas of pathophysiology, cardiac sudden death, medical and surgical treatment, and promising new gene therapy.
Cardiac Mechanics and Function in the Normal and Diseased Heart
Cardiovascular dynamics is a field in which modelling and systems analysis have formed an extremely important discipline. For example, understanding of even such a fundamental function of the circulation as the relationship between central venous pressure apd cardiac output has required evolution of a pertinent model based on years of exhaustive ex perimental investigations by Starling, Starr, and Guyton. Hemodynamic analyses of pulsatile pressures and flows in the arteries and veins have been a continuing challenge taken up by champions of fluid dynamics such as Frank, Wetterer, Taylor, and Wormersley, just to mention a few names, and some kind of model was always proposed as a conceptual f...
Recent Progress in Failing Heart Syndrome
Heart failure is a syndrome caused by a heart dysfunction that leads to insuf ficient blood in the peripheral tissues for their metabolic demands. This syn drome still remains an obscure clinical entity and even its definition is disputed. It has become increasingly apparent that heart failure may relate not only to cardiac dysfunction but also to other physiological alterations involved in the maintenance of circulatory homeostasis. In 1988, the Japanese Circulation Society organized a three-year project for research on heart failure. The research group consisted of ten investigators, all relatively young but well recognized internationally for their research accomplishments. This book repr...
Cellular Function and Metabolism
A variety of metabolic processes are known to be intimately involved in the maintenance of cellular structure and function. It has also become clear that metabolic events involved in the synthesis and hydrolysis of ATP as well as for the synthesis of proteins and phospholipids are essential for cellular health. The regulation of cell function is generally achieved through participation of a wide variety of hormones and different signal transduction mechanisms for the activation/deactivation of some specific metabolic processes. In this regard cyclic AMP and calcium seem to play a crucial role. Various hormones are also known to affect the genetic machinery of all the cell; however, the exact...
