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Diabetic foot ulcers - Trinidad and Tobago Newsday

DR MAXWELL ADEYEMI

DIABETIC FOOT problems are common throughout the world, resulting in major economic consequences for the patients, their families and the society.

Foot ulcers are more likely to be of neuropathic (nerve damage) origin and therefore preventable in developing countries like ours which will experience the greatest rise in the prevalence of type 2 diabetes in the next 20 years.

People at greatest risk of ulceration can easily be identified by careful clinical examination of the feet. Education and frequent follow-up of these patients are important.

When assessing the economic effects of diabetic foot disease, it is important to note that the rates of recurrence of foot ulcers are very high, being greater than 50 per cent after three years. Which means that people with foot ulcers have a higher rate of recurrent foot ulcers.

Costing should therefore include not only the immediate ulcer episode, but also social services, home care, lost work times, hospital care, loss of social life and even subsequent ulcer episodes.

A broader view of total resource use should include some estimate of quality of life and the final outcome: An integrated care approach with regular well-co-ordinated screening and education of patients at risk which require low expenditure and has the potential to reduce the cost of healthcare.

A considerable number of our diabetics are coming down with foot ulcers. We therefore need serious interventions aimed at educating patients on prevention and management strategies.

Many of those with ulcers do experience recurrence, and this needs to be addressed in a meaningful way to reduce the recurrence rates. As a matter of fact, if we are dressing the same foot ulcer for three-four months without healing, then something is wrong and we may need to review such wounds and a new approach may be needed.

Often times infections complicate foot ulcers. The combination of foot ulcers and infection can be limb- or life-threatening, and this calls for aggressive and prompt treatment with antimicrobials (antibiotics).

Another militating factor against wound-healing is the issue of 'off-loading' - taking weight and pressure off the ulcer points. The success of off-loading depends on the patient's adherence and compliance to instructions. So, alleviation of the mechanical load on ulcers should always be a part of the treatment plan. Many of our patients need to be educated on the vital importance of this for greater appreciation and compliance.

Wound-dressing is another important factor we need to look at closely. The use of appropriate wound-dressing materials, techniques and under conditions that minimise infections are crucial to wound management. So, there is need for a concerted effort in training and retraining of staff, and educating our patients on dressing modalities for better results.

All attempts should be made to prevent diabetic foot ulceration and treat existing ulcers by a multidisciplinary team in order to decrease amputations. Indeed, improvement in ulce

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