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Abstract Objective To evaluate the clinical value of ankle brachial index (ABI) in interventional treatment of lower extremity atherosclerotic occlusive disease(LEAOD). Methods LEAOD was determined and interventional strategies were made based on computed tomography angiography of lower extremity in 34 patients. ABI was measured pre- and post- operation. Results ABI reduced significantly as the clinical symptoms and severity of LEAOD increased (P<0.01). Percutaneous transluminal angioplasty (PTA) with stent implantation was performed in 24 patients, and PTA alone was performed in 10 patients. ABI,systolic blood pressure and the pulse wave velocity (PWV)of lower extremity significantly increased from 0.81±0.14,(137.44±25.66)mmHg and (1 970.61±505.30)cm/s before treatment to 0.58±0.19、(95.75± 23.61)mmHg and(1 121.86±605.99)cm/s after treatment, respectively(al P<0.01). Conclusion ABI is a noninvasive and easy method and may be used for preoperative assessment and post- operation fol ow- up of patients with LEAOD.
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