Journal
DIABETIC FOOT & ANKLE
Volume 8, Issue 1, Pages -Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/2000625X.2017.1373552
Keywords
Diabetic foot; debridement; osteomyelitis; amputation; photodynamic therapy
Categories
Funding
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo [12/50680-5, 13/07937-8]
- CNPq
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [12/50680-5] Funding Source: FAPESP
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Background: Diabetic patients are susceptible to developing foot ulcerswith serious complications such as osteomyelitis and amputations. Treatment approaches are still empirical and the benefit of usual procedures such as surgical debridement has not been properly evaluated. Photodynamic Therapy (PDT) is a non-invasive and highly efficient method for the treatment of the diabetic foot, being able to eradicate the infection and to stimulate healing, decreasing considerably the amputation risk. In the day-to-day practice of our service, we have been faced with the question whether debridement is necessary before PDT. In here, we designed a study to answer that question. Methods: Patients were divided in two groups: In one of the groups (n = 17), debridement was performed before PDT and in the other (n = 40) only PDT treatment was performed. PDT sessions were performed once a week in all patients until healing was achieved, as indicated by visual inspection as well as by radiographic and laboratory exams. At the start of the study, the two groups had no statistical differences concerning their clinical features: average age, gender, insulin use, diabetes mellitus onset time and previous amputations. Results: PDT was effective in the treatment of 100% of the patients showing no relapses after one year of follow up. The group submitted to PDT without previous debridement had a statistically significant (p = 0.036, Mann-Whitney) shorter cure time (29 days, similar to 27%). Conclusion: Our data indicates that debridement is not necessary in the treatment of diabetic foot in patients that have enough peripheral arterial perfusion. In addition, we reproduced previous studies confirming that PDT is an efficient, safe, simple and affordable treatment method for the diabetic foot.
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