Endocrinol Metab > Volume 22(6); 2007 > Article
Journal of Korean Endocrine Society 2007;22(6):428-435.
DOI: https://doi.org/10.3803/jkes.2007.22.6.428    Published online December 1, 2007.
The Clinical Implication and Problems of Adrenal Vein Sampling in Patients with Primary Aldosteronism.
Jie Seon Lee, Mi Yeon Kang, Sang Wan Kim, Chan Soo Shin, Seong Yeon Kim, Jin Wook Chung
1Department of Internal Medicine, Seoul National University College of Medicine, Korea.
2Department of Radiology, Seoul National University College of Medicine, Korea.
Recently, the significance of primary aldosteronism is being recognized due to an increase in its incidence and its complications. However, it is difficult to differentiate primary aldosteronism based on radiological studies as the size of an aldosterone producing adenoma (APA) is small, and nonfunctioning adrenal incidentalomas are common. Adrenal vein sampling (AVS) has been considered as the gold standard for differentiating an aldosterone producing adenoma (APA) from bilateral idiopathic adrenal hyperplasia (BAH). The clinical implications and problems associated with AVS have not yet been reported in Korea. METHOD: Clinical data of 28 patients with primary aldosteronism who had undergone AVS in a hospital from 1995 to 2006 were retrospectively analyzed. RESULT: The study group comprised 13 males (46.4%) and 15 females (53.5%), with a mean age of 44.5 +/- 11.9 years. Clinical data indicated that 19 patients (67.9%) had APA and nine patients (32.1%) had BAH. AVS data demonstrated that 11 patients had APA and five patients had BAH. Two patients were not diagnosed despite successful AVS. AVS was not successful in 10 patients (37.5%); AV catheterization failed in two patients, was not selective in seven patients on the right side, and was not selective in one patient on the left side. CONCLUSION: AVS was helpful in primary aldosteronism patients with inconclusive CT and MRI findings. Selectivity of AVS should be appropriately assessed because of the technical problem of selective catheterization.
Key Words: adrenal vein sampling, primary aldosteronism

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