Monday, 11 January 2010

Diabetes mellitus Diabetes Diabetes mellitus Diabetes mellitus (DM) or diabetes mellitus is a group of metabolic disorders , which affects different organs and tissues is lifelong and is characterized by increased levels of blood glucose: hyperglycaemia. is caused by several disorders, including low production of the hormone insulin secreted by pancreatic cells, or by its improper use by the body, that will affect the metabolism of carbohydrates , lipids and proteins. The main symptoms of diabetes mellitus are excessive emission of urine (polyuria), increased the need abnormal eating (polyphagia), increased thirst (polydipsia), and weight loss for no apparent reason. The World Health recognizes three forms of diabetes mellitus: type 1, type 2 and gestational diabetes (occurs during pregnancy), each with different reasons and with different influence.Several pathological processes are involved in the development of diabetes, an autoimmune impart a characteristic of type 1 diabetes mellitus, herary and body resistance to insulin action, as in type 2 DM. By 2000, it was estimated that about 171 million people had diabetes in the world and will reach 370 million in 2030. This condition causes a variety of complications, often damaging the eyes, kidneys, nerves and blood vessels. Acute complications (hypoglycemia, ketoacidosis, nonketotic hyperosmolar coma) result from inadequate control of the disease while chronic complications (cardiovascular, nephropathy, retinopathy, neuropathy and microvascular damage) are caused by disease progression. The World Diabetes Day is celebrated on 14 November.