CC BY-NC-ND 4.0 · The Arab Journal of Interventional Radiology 2021; 5(01): 025-029
DOI: 10.1055/s-0041-1730113
Original Article

Use of Bony Landmarks during Adrenal Venous Sampling to Guide Catheterization of the Left Adrenal Vein

Lucas R. Cusumano
1   Division of Interventional Radiology, Department of Radiology, David Geffen School of Medicine at UCLA, Los Angeles, California, United States
,
Sipan Mathevosian
1   Division of Interventional Radiology, Department of Radiology, David Geffen School of Medicine at UCLA, Los Angeles, California, United States
,
Joshua K. Sweigert
1   Division of Interventional Radiology, Department of Radiology, David Geffen School of Medicine at UCLA, Los Angeles, California, United States
,
Ravi N. Srinivasa
1   Division of Interventional Radiology, Department of Radiology, David Geffen School of Medicine at UCLA, Los Angeles, California, United States
,
Aarti P. Luhar
1   Division of Interventional Radiology, Department of Radiology, David Geffen School of Medicine at UCLA, Los Angeles, California, United States
,
John M. Moriarty
1   Division of Interventional Radiology, Department of Radiology, David Geffen School of Medicine at UCLA, Los Angeles, California, United States
› Author Affiliations

Abstract

Purpose The aim of this study was to examine the utility of fluoroscopic bony landmarks in predicting the location of the left adrenal vein during adrenal vein sampling (AVS).

Methods Eighty-six AVS procedures were performed in 81 patients between August 2013 and March 2020. A selectivity index was calculated for each case by dividing the measured left adrenal vein cortisol level by the peripheral vein cortisol level. Successful “target” left adrenal vein catheterization was confirmed in cases with a selectivity index of three or greater. Intraprocedural AVS fluoroscopic images were selected that demonstrated catheter position in the left adrenal vein. Lateral distance from the catheter tip in the left adrenal vein to the lateral margin of the left pedicle at the associated vertebral body level was measured.

Results Mean patient age was 56.4 years (range: 19–80 years) and 48 (59.3%) patients were male. Target sampling in the left adrenal vein was confirmed in 82 (95.3%) cases. In 78 (95.1%) targeted cases, the catheter terminated less than 25 mm from the left lateral pedicle at a mean distance of 11.2 mm. The catheter was most frequently placed at the T12 and L1 vertebral body levels. Four (4.7%) cases demonstrated nontarget catheter positioning, two (50.0%) of these cases were within 25 mm.

Conclusion The position of the left adrenal vein is generally located in a predictable position relative to bony landmarks. By utilizing these landmarks, positioning of the sampling catheter during AVS can be more reliable with the potential to avoid repeat procedures and delays in patient care.



Publication History

Article published online:
04 June 2021

© 2021. The Pan Arab Interventional Radiology Society. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/).

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