Evaluation of Combinational Use of Negative Pressure Wound Therapy (NPWT) for Diabetic Foot Wounds

Singapore has one of the world's highest diabetes-related lower limb amputation rates in the world. Between 2008 - 2017, 4724/5306 (89.0%) of all major amputations and 6656/7227 (92.1%) of all toe/ray amputations performed in Singapore were for diabetic patients. Diabetic foot ulcers are generally slow to heal and poor wound management may lead to infection and subsequently major amputations. Hence, adequate wound care to achieve wound healing efficiently and effectively is of utmost importance. In the investigators' clinical practice, Negative Pressure Wound Therapy has been the dressing of choice to aid wound closure and prevent infective complications. Drainage of wound exudates helps to reduce and prevent infection, promote granulation tissue proliferation and induce cell growth. When used in combination with dermal substitutes, graft uptake is improved by further promoting proliferation and encouraging tissue regeneration. Wounds can also be closed surgically though primary closure, where the skin is closed and serves as a physical barrier against infection. The technique is not without its pros and cons. Primary closure may decrease healing time and reduce need for additional surgery, but these patients are also at risk of recurrent infection and may require more proximal amputation. These may be circumvented with delayed primary closure, which is the surgical closure of the amputation wound at a delayed timing after amputation. This gives the clinical team time to op…

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Charyl Yap, B.Sc  ·  +65 6576 7986  ·  charyl.yap.j.q@sgh.com.sg

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