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[Evaluation of the anatomical morphology of the adrenal veins in patients with primary aldosteronism by adrenal venous sampling].
Zhonghua Xin Xue Guan Bing Za Zhi
August 2024
Department of Hypertension, First Affiliated Hospital of Dalian Medical University, Dalian 116011, China.
To analyze the anatomical characteristics of the adrenal veins through adrenal venography to improve the success rate of adrenal venography (AVS). This study was a cross-sectional study. Patients who were diagnosed with primary aldosteronism and underwent AVS from January 2019 to October 2023 at the First Affiliated Hospital of Dalian Medical University were included.
View Article and Find Full Text PDFCalculated Right Adrenal Vein Aldosterone Levels in Patients Undergoing Adrenal Vein Sampling: The Potential to Lateralize Despite Unsuccessful Selection of the Right Adrenal Vein.
J Vasc Interv Radiol
November 2024
Division of Endocrinology and Metabolism, Department of Medicine, Faculty of Medicine, Prince of Songkla University, Songkhla, Thailand. Electronic address:
Purpose: The aim of this study was to use calculated aldosterone level in the right adrenal vein (RAV) (cAldo) rather than measured level for identifying the dominant side of aldosterone secretion in patients with primary aldosteronism undergoing adrenocorticotropic hormone-stimulated adrenal venous sampling (AVS).
Materials And Methods: Patients with primary aldosteronism who had successful AVS (selectivity index, >3) were studied. Based on the assumption that cortisol production from both adrenal glands is equal, aldosterone level in the RAV was calculated using the data from the left adrenal vein and inferior vena cava.
Total Iliocaval Reconstruction in a Complex Palliative Patient with Malignant Inferior Vena Cava Syndrome.
Curr Oncol
July 2024
Department of Radiology, Vancouver General Hospital, Vancouver, BC V5Z 1M9, Canada.
Inferior vena cava (IVC) compression secondary to mass effect is accompanied by edema, ascites, back and abdominal pain, and central nervous system symptoms. Most IVC syndrome cases described in the literature focus on the focal treatment of IVC lesions, and reports of complete iliocaval reconstructions secondary to malignant IVC syndrome in the palliative context are limited. In this case report, we describe the clinical presentation, technical approach, and symptomatic outcomes of a patient with extensive malignant compression and invasion of the iliofemoral venous system.
View Article and Find Full Text PDFRespiratory Displacement of the Right Adrenal Vein: Comparison of Inspiratory and Expiratory Computed Tomography With Catheter Venography.
J Comput Assist Tomogr
December 2024
From the Department of Radiology and Nuclear Medicine, Fukushima Medical University.
Article Synopsis
- - The study investigates how respiratory movements affect the positioning of the right adrenal vein (RAV) in order to improve the accuracy of adrenal venous sampling (AVS) for diagnosing primary aldosteronism.
- - CT scans taken at different respiratory phases (inhalation vs. exhalation) were analyzed alongside venograms of the RAV to measure variations in its location, particularly in relation to the thoracic vertebrae.
- - Findings revealed significant differences in the RAV's measured distances and angles between the two respiratory phases, indicating that the timing of CT scanning is critical for accurately locating the RAV during procedures.
Utility of Carbon Dioxide Venography and Intraprocedural CT for Adrenal Venous Sampling in Patients with an Allergy to Iodinated Contrast Media.
J Vasc Interv Radiol
November 2023
Department of Diagnostic Radiology, Tohoku University Hospital, Sendai, Miyagi, Japan.
Purpose: To assess the diagnostic performance of carbon dioxide (CO) and intraprocedural unenhanced computed tomography (CT) for adrenal venous sampling (AVS) (CO-intraprocedural unenhanced CT-AVS) in patients with primary aldosteronism (PA) and a history of iodine contrast medium allergy.
Materials And Methods: CO-intraprocedural unenhanced CT-AVS was performed in 18 patients with iodine contrast media allergies at the authors' hospital between December 2015 and January 2021. CT and noncontrast magnetic resonance angiography were used to evaluate the preoperative adrenal vein anatomy.
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