Estimation of brachial artery volume flow by duplex ultrasound imaging predicts dialysis access maturation

Journal of Vascular Surgery
Sae Hee KoJohn Lane

Abstract

This study validated duplex ultrasound measurement of brachial artery volume flow (VF) as predictor of dialysis access flow maturation and successful hemodialysis. Duplex ultrasound was used to image upper extremity dialysis access anatomy and estimate access VF within 1 to 2 weeks of the procedure. Correlation of brachial artery VF with dialysis access conduit VF was performed using a standardized duplex testing protocol in 75 patients. The hemodynamic data were used to develop brachial artery flow velocity criteria (peak systolic velocity and end-diastolic velocity) predictive of three VF categories: low (<600 mL/min), acceptable (600-800 mL/min), or high (>800 mL/min). Brachial artery VF was then measured in 148 patients after a primary (n = 86) or revised (n = 62) upper extremity dialysis access procedure, and the VF category correlated with access maturation or need for revision before hemodialysis usage. Access maturation was conferred when brachial artery VF was >600 mL/min and conduit imaging indicated successful cannulation based on anatomic criteria of conduit diameter >5 mm and skin depth <6 mm. Measurements of VF from the brachial artery and access conduit demonstrated a high degree of correlation (R(2) = 0.805) for...Continue Reading

References

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Citations

Apr 18, 2017·The Korean Journal of Internal Medicine·Seong ChoSung-Rok Kim
May 12, 2020·The Journal of Vascular Access·Kumtorn LelamaliThitiya Puavilai
Feb 16, 2021·The Journal of Vascular Access·Masato TsuboiFukumi Mitsuishi
Aug 18, 2020·Journal of Vascular and Interventional Radiology : JVIR·Jeffrey HullKarey Groome

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