Diabetic Wound Care

If you currently have a wound on your foot and are a diabetic, you are probably very perplexed as to how you got this problem. You may have even had the wound for quite some time and are surprised by the effects and appearance of the wound or ulcer, as some people refer to it, once it is pointed out to you.

Diabetes is a disease process that is diagnosed by a high blood-sugar level. This leads to a buildup of bad chemicals and a decrease of helpful chemicals that in combination lead to damage of the inside lining of small arteries in the feet and ankles and sometimes even the hands.

Now, when the damage to the lining (intimal layer) of these small arteries (arterioles) occurs, the result is a decrease in blood flow to the nerves in the dermis and epidermis (surface skin). Without nerves in the skin, a person cannot feel. They would be described as being insensate. Having no or reduced ability to feel is a great risk factor for the development of a foot wound or ulcer.

This is how the ulcer/wound develops. A pressure point on the bottom or sides of the foot will get enough mechanical pressure from shoes or the floor to temporarily deprive local blood flow to that site. Once the pressure has been maintained for a minute or so, the area becomes uncomfortable due to a lack of local oxygenation of the tissues. This is painful and causes a person to shift their weight and allow local blood flow to re-oxygenate the tissues that were in deficit. In people without the ability to feel this protective pain mechanism, like diabetics with foot wounds, they are described as having a loss of protective sensorium.

Board-certified foot-wound specialists have the tools to diagnose this problem. If the tissue was deprived of oxygen long enough, then the tissue dies. When pressure is removed from the now-dead tissue, blood flow rushes into the area in a normal physiologic effect called hyperemia. However, there is no normal, viable cell structure left to contain this blood, and a hematoma results. The blood in a hematoma of an ulcer is great food for bacteria to grow in and quickly infects the ulcer/wound of the foot. This is when the really significant destruction of ulcer tissues takes off and can jeopardize the health of the foot, leg and even the patient’s life.

If you suspect that you or someone you know has a foot wound, ulcer or a loss of sensation in their feet, it is of utmost importance that you follow up with a board-certified diabetic-wound-care specialist. General physicians, podiatrists and hospital clinics are not all equal. Seek the care of a foot specialist with the correct credentials and the experience to guide you to health.

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Central Florida Foot and Ankle Specialists, PA
899 Outer Road, Suite C Orlando, FL 32814
407-228-2838

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