期刊
AMERICAN JOURNAL OF MEDICINE
卷 116, 期 4, 页码 263-272出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.amjmed.2003.09.034
关键词
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The renin-angiotensin-aldosterone system regulates renal vasomotor activity, maintains optimal salt and water homeostasis, and controls tissue growth in the kidney. However, pathologic consequences can result from overactivity of this cascade, involving it in the pathophysiology of kidney disease. An activated renin-angiotensin-aldosterone system promotes both systemic and glomerular capillary hypertension, which can induce hemodynamic injury to the vascular endothelium and glomerulus. In addition, direct profibrotic and proinflammatory actions of angiotensin II and aldosterone may also promote kidney damage. The majority of the untoward effects associated with angiotensin II appear to be mediated through its binding to the angiotensin II type I receptor. Aldosterone can also induce re-nal injury by binding to its receptor in the kidney. An understanding of this system is important to appreciate that inhibitors of this cascade can reduce the progression of chronic kidney disease in proteinuric disease states. Pharmacologic agents that can interfere with this cascade include angiotensin-converting enzyme inhibitors, angiotensin receptor blockers, and aldosterone receptor antagonists. This paper will provide an over-view of the renin-angiotensin system, review its role in kidney disease, examine the renal effects of inhibition of this cascade in experimental animal models, and review clinical studies utilizing renin-angiotensin-aldosterone inhibitors in patients with diabetic and nondiabetic nephropathies.(C)2004 by Excerpta Medica Inc.
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