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Treatment of lower limb ischaemia in patients with diabetes.

Edward Tieng Chek ChokeTjun Y TangShin C ChengJia Sheng Tay
Published in: Diabetes/metabolism research and reviews (2019)
Diabetic chronic limb-threatening ischaemia is a challenging clinical problem with patients at high risk of diabetic foot ulceration (DFU) and limb loss. Patients often remain asymptomatic even in the presence of severe pedal ischaemia until first presenting with tissue loss such as DFU or frank gangrene. Limb salvage units should have the facilities and expertise to provide multidisciplinary team-based holistic care through best medical therapy, rapid diagnosis, prompt revascularisation with endovascular or open surgical techniques and expert wound management. Endovascular revascularisation has become the first line strategy in contemporary clinical practice because of similar outcomes in wound healing and amputation rates in most patients when compared with open surgery. The primary goal is restoration of pulsatile in-line blood flow to the ankle or foot, with an angiosome-directed approach possibly achieving superior outcomes especially in diabetics with poor collaterals. A comprehensive overview of conventional endovascular techniques (such as antegrade true lumen and subintimal approaches), advanced techniques for complex disease (such as retrograde subintimal and pedal-plantar loop approaches or even deep venous arterialisation) and the various treatment options are described. Diabetic limb salvage rates can be excellent with suitable multidisciplinary expertise and care.
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