Published on Sep 23, 2017 and last reviewed on Oct 23, 2019 - 3 min read
Did you know that that 15 % of all diabetic patients get foot ulcers? Among them, 1 % require a higher-level amputation. Learn how to take care of your feet and prevent diabetic ulcers from forming.
A majority of the diabetic patients admitted to various hospitals come for the management of lower limb and foot infections as well as gangrene. Most of these happen due to a poor management of the problem and also due to a general lack of awareness among the public about the repercussions of these problems. An amputation of a limb is a life-altering disability. Often, this procedure is undergone by the sole earning member of the family, and this causes a financial crisis within the household.
Ten Points for the Prevention of Diabetic Foot Problems:
Why Should Amputations Be Avoided in a Diabetic Patient?
In diabetes, the blood vessels are the major target organs. So, all the organs in the body subsequently get involved. By the time the lower limb has a peripheral obstructive vascular disease, nearly all the organs are already affected by ischemia. The blood vessels of the heart are also greatly damaged. Many studies have shown that in a diabetic patient, walking, even with the best of a prosthesis, strains the heart by over 15%. Many studies have proven that in a diabetic patient who walks routinely with a below-knee prosthesis, there is a 50 % mortality rate in five years due to cardiac failure, and with an above-knee prosthesis, there is a 50 % mortality rate in three years due to cardiac failure. Thus, the primary reason we try to prevent major amputations in diabetic patients is not to improve the quality of life but to increase their longevity.
In a diabetic patient, one of the significant tissue changes is due to ‘nonenzymatic glycation' which affects all the soft tissues in the patient’s body. This, in turn, immensely lowers the cell-mediated immunity. In such a case, if a lower limb infection occurs, and it is improperly managed, the disease can spread like 'wildfire,' and can cause a loss of limb or even life.
The surgical treatment of lower limb infections in people with diabetes is managed with proper debridement. Once the infected areas are thoroughly debrided, the tissue is sent for bacterial and fungal culture and sensitivity. The patient is then administered culture-specific antibiotics and if required, anti-fungal medication. An appropriate wound dressing, strict offloading of the involved limb, and supportive therapy are necessary.
Reconstructive and Corrective Foot and Ankle Surgeries:
Another serious foot and ankle problem which can happen in an uninformed diabetic is osteoarthropathy of the foot and ankle bones. This is also called the ‘Charcot foot.' In this condition, the foot bones become soft, and lose their density, due to the autonomic neuropathy occurring in diabetes. As an analogy, if we were to place a wooden board dipped in water for over six weeks, imagine how it would be. Soft, sodden, spongy, and friable. Is that right? So also in Charcot foot syndrome. When a patient walks with these soft feet bones, they develop fractures, erosion, and severe destruction. When detected early, they can be managed conservatively. Whereas in untreated cases, the foot and ankle bones become severely destroyed, and usually the patient is subjected to a below-knee amputation. In specialized centers though, the foot can be salvaged by doing a 'reconstructive foot and ankle surgery' with excellent results.
The diabetic foot and lower limb diseases that we commonly come across include extensive lower limb necrotizing fasciitis, diabetic foot infections including gangrene with peripheral vascular disease, and Charcot’s foot, some with a marked destruction of the foot and ankle bones and grossly deformed toes and feet. These deformed feet and toes can develop high-pressure points, and callosities and ulcers, which in these immunocompromised patients are portals for bacterial entry leading, as said earlier, to limb and life-threatening infections. Hence these foot abnormalities must be surgically corrected. In many cases, a suitable molded footwear and proper foot care can avoid serious complications and prevent surgery.
For more information consult a diabetic foot ulcer specialist online --> https://www.icliniq.com/ask-a-doctor-online/diabetologist/diabetic-foot%20-ulcer
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