Diabetic Foot Flashcards
in peripheral vascular disease, arterial occlusion happens in what foot arteries?
- tibial
2. peroneal
contributing risk factors to PVD besides diabetes (3)
- smoking
- HTN
- hyperlipidemia
better prognosis assc’d with ankle brachial index >____, transcutaneous O2 >____
ankle brachial index >0.5, transcutaneous O2 >30
normal ABI
above 0.9
ABI is calculated how?
lower extremity systolic presure/brachial artery systolic pressure
what can lead to falsely elevated ABI readings in diabetics?
arterial calcification
what test to use to determine a person’s healing potential of PVD
transcutaneous O2 pressure
when would arteriography, digital subtraction angiography, or magnetic resonance angiography be indicated?
is abnormal non-invasive exams
overuse injury with loss of protective sensation
neurotraumatic theory of charcot foot osteoarthropathy
vasomotor neuropathy–>AV shunting–>excessive bone resorption–>bone weakening–>fractures
neurovascular theory of charcot foot osteoarthropathy
a chronic wound will have ___MMP, ___TIMP
incr MMP, decr TIMP
wagner’s grading of diabetic foot: superficial lesions
grade 1
wagner’s grading of diabetic foot: deeper lesions that have not yet penetrated bone or fascial plane
grade 2
wagner’s grading of diabetic foot: ulcers extend to bone, abscess may be present
grade 3
wagner’s grading of diabetic foot: gangrenous forefoot
grade 4
