Diabetic foot
PathophysiologyVascular disease Neuropathy Sensory Motor autonomic
Vascular Disease
Diabetics get arthrosclerosis due to calcification of the media Often increased blood flow with lack of elastic properties of the arterioles 30 times more prevalent in diabeticsNeuropathy
Changes in the vasonervorum with resulting ischemia. Abnormalities of all three neurological systems contribute to ulceration.Autonomic Neuropathy
Regulates sweating and perfusion to the limb Result is dry, scaly and stiff skin that is prone to cracking and allows a portal of entry for bacteriaAutonomic Neuropathy
Sensory NeuropathyLoss of protective sensationStarts distally and migrates proximally in “stocking” distribution
Patient Evaluation
Medical (FBS,GUE,CBP,WBC,B .urea, S. creatinin) Vascular (Pulses ,ABI ,Doppler,Duplex, ECG) Orthopedic (X-Ray,)