If the sugar content of the blood constantly clog up the blood vessels. Although the lines can be closed even in healthy people. But in people with diabetes that happens much earlier, more frequent and stronger.
First, the walls of the blood vessels are getting fatter. Then store lumps of lime and fat from so-called plaques, on the inner walls. This makes the veins close to these places, the blood flowing past it is not rushing, but squeezes along the obstacle. As a result there is less blood flow, tissue and organs are then not well supplied with nutrients and oxygen.
On the plaque, the blood clot even. Then develop blood clots, called thrombi. They will not dissolve again, but stick and flutter like scraps for a while in the bloodstream. Eventually they break off and float on the river for a while until they get stuck in a small, thin wire: They are too thick to get ahead. Then this small artery is clogged with clots.
Blood clots block the arteries
Of them may die in the course of time the tissue that is supplied by the artery: the flesh rots and must be amputated. In diabetic patients amputated for this reason, in the worst case, toes or feet.
Life's dangerous is when a blood clot blocked vital veins. These include the blood vessels that supply the heart with oxygen and food: the so-called coronary arteries. Then threatened with a heart attack. Also, the veins that supply the brain with all the important, vital. Blocked a brain artery or the carotid artery can lead to stroke.
Sugar takes up time but also tiny veins, called capillaries. This incredibly small blood vessels pass to all the organs of the nutrients and oxygen. Damage to the capillaries can lead to different sequelae, such as kidney failure or impaired vision.
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