Volume 47, Issue 4 December 2023 JVU 474-193 | Screening for Subclavian Artery Stenosis-474-193

474-193

Pdf Summary

A study published in the Journal for Vascular Ultrasound explores the use of interbrachial pressure (IBP), arm-arm index (AAI), and hand acceleration time (HAT) in identifying subclavian artery stenosis. Subclavian artery stenosis is associated with an increased risk of cardiovascular complications and difficulty managing hypertension. The study retrospectively reviewed patients who underwent carotid duplex examinations and found that an AAI of 0.9 was correlated with subclavian artery stenosis or occlusion, while HAT 100 milliseconds was correlated with symptomatic subclavian artery stenosis. Female gender, history of coronary intervention, hypertension, and AAI 0.9 were significantly associated with subclavian artery stenosis or occlusion. An AAI of 0.9 and IBP 15 or 20 mm Hg were effective in ruling out subclavian artery stenosis, while HAT 100 ms was an effective tool for confirming symptomatic subclavian artery stenosis. The study suggests that these measurements can be useful in screening for subclavian artery stenosis and guiding treatment decisions. However, the study has limitations, including its retrospective nature and relatively small sample size. Further research is needed to validate these findings and determine the clinical utility of these parameters.

Keywords

interbrachial pressure

arm-arm index

hand acceleration time

subclavian artery stenosis

cardiovascular complications

hypertension

carotid duplex examinations

occlusion

coronary intervention

screening