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The ankle-brachial pressure index (ABPI) or ankle-brachial index (ABI) is the ratio of the blood pressure at the ankle to the blood pressure in the upper arm (brachium). Compared to the arm, lower blood pressure in the leg suggests blocked arteries due to peripheral artery disease (PAD).
If peripheral artery disease is suspected, the initial study is the ankle–brachial index (ABI). [20] The ABI is a simple, non-invasive test that measures the ratio of systolic blood pressure in the ankle to the systolic blood pressure in the upper arm.
The prevalence of Mönckeberg's arteriosclerosis in the general population has been estimated as <1% on the basis of an ankle brachial pressure index >1.5; [29] [38] [39] however the validity of this criterion is questionable. [39] Increased use of long term corticosteroids have also been implicated in the development of Mönckeberg's ...
Ankle-brachial pressure index (ABPI) assesses peripheral vascular disease. [1] It may however be unreliable in patients with calcified arteries in the calf (often diabetic patients) or those with extensive oedema, in which case toe pressure or Toe-brachial pressure index (TBPI) should be measured to aid in the diagnosis.
Medical imaging may include ankle-brachial index, doppler ultrasonography and computed tomography angiography, among others. Treatments are individualized and may include medical therapy, endovascular intervention or open surgical options including angioplasty, stenting, atherectomy, endarterectomy and vascular bypass, among others.
AbiWord, a free and open source software word processor; Acquired brain injury; Advanced Baseline Imager, on the GOES-R satellite; Ankle-brachial index, the ratio of the blood pressure in the lower legs to the blood pressure in the arms
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If the ankle–brachial pressure index (ABI) is less than 0.9, CT angiography is recommended. [3] Standard angiography may also be used. [2] If the ABI is greater than 0.9 repeated physical exams over the next 24 hours to verify good blood flow may be sufficient.