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Patients often get an early warning when their calf muscles start to ache and become sore when walking. Peripheral vascular disease (PVD) is an atherosclerotic narrowing of blood vessels that results in poor blood flow to the periphery, particularly in the hands and feet it is particularly common and problematic in patients with poorly controlled diabetes. Unfortunately, many patients with type 2 diabetes also have features of metabolic syndrome: they may be overweight or obese and have high blood pressure, both of which can contribute to blood vessel narrowing. It is, therefore, essential that people with diabetes pay particular attention to maintaining their glucose levels within the normal range and avoid other factors that can accelerate blood vessel disease. In people with poorly controlled diabetes, the rate of atherosclerosis is much faster than in those with normal blood glucose control (Pasterkamp, 2013).
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Injury to the endothelium can trigger a series of events that lead to atherosclerosis, a build-up of fatty deposits, reducing the diameter of blood vessels and restricting blood flow this is the most common form of blood vessel disease in diabetes.Īnything that can damage the endothelium or increase blood lipids (fats) can increase the rate of atherosclerosis. In poorly controlled diabetes, hyperglycaemic blood can irritate and damage this delicate layer through a variety of mechanisms (Chait and Bornfeldt, 2009). The innermost layer of a blood vessel (endothelium) is only as thick as a single cell and it is in continuous contact with circulating blood. Most arise from damage to blood vessels (vascular complications), but there are also non-vascular complications. In poorly controlled diabetes, a consistently high blood glucose concentration (hyperglycaemia) can damage all the major organs and organ systems, leading to characteristic complications of diabetes (McCance and Huether, 2014) (Table 1). Glucose is the preferred energy source for most human cell types and, in health, is maintained in the blood at relatively stable concentrations.
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Diabetes is a long-term systemic disease that can damage all regions of the body.
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