Epidemiology of type 2 diabetes mellitus

Sarah Wild and Jackie Price

in Oxford Textbook of Endocrinology and Diabetes

Second edition

Published on behalf of Oxford University Press

Published in print July 2011 | ISBN: 9780199235292
Published online July 2011 | e-ISBN: 9780199608232 | DOI:

Series: Oxford Textbooks

Epidemiology of type 2 diabetes mellitus

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Diabetes mellitus represents a group of metabolic disorders characterized by hyperglycaemia, which may or may not be associated with symptoms. The chronic hyperglycaemia of diabetes results from defects in insulin secretion, insulin action, or both, and is associated with long-term organ damage, particularly in the eyes, kidneys, nerves, heart, and blood vessels. Patients with type 2 diabetes have a higher prevalence of obesity (particularly abdominal obesity), hypertension, and lipid disorders, as well as an increased risk of macrovascular disease in coronary, peripheral, and cerebral arterial circulations, than people without diabetes. Microvascular complications of diabetes include retinopathy, which can lead to loss of vision, nephropathy (leading to renal failure), neuropathy (with an increased risk of foot ulcers, amputations, and foot deformations), and autonomic neuropathy, causing cardiovascular, gastrointestinal, genitourinary, and sexual dysfunction. Diabetes may have a serious emotional and social impact on affected individuals and their families, and has major economic implications for society as a whole in both developed and developing countries.

Chapter.  5237 words.  Illustrated.

Subjects: Endocrinology and Diabetes

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