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이승훈 (서울아산병원) 김종우 (서울아산병원 영상의학과) Hyun-Ki Yoon (Department of Radiology and Research Institute of Radiology University of Ulsan College of Medicine) 신찬수 (서울대학교) 김상완 (서울대학교) 김정희 (서울대학교병원)
저널정보
대한내분비학회 Endocrinology and Metabolism Endocrinology and Metabolism Vol.36 No.2
발행연도
2021.1
수록면
401 - 412 (12page)

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Background: Guidelines by the Endocrine Society Guideline on bypassing adrenal vein sampling (AVS) in patients <35 years oldwith marked primary aldosteronism (PA) (hypokalemia and elevated plasma aldosterone concentration [PAC]) and a unilateral lesion on computed tomography (CT) are based on limited number of studies. We aimed to determine the accuracy of CT in PA patients according to age. Methods: In this retrospective study, we investigated the concordance between CT and AVS in 466 PA patients from two tertiarycenters who successfully underwent AVS. Results: CT had an overall accuracy of 64.4% (300/466). In the group with unilateral lesion, patients with hypokalemia had higherconcordance than those without hypokalemia (85.0% vs. 43.6%, P<0.001). In the group with marked PA (hypokalemia and PAC>15.9 ng/dL) and unilateral lesion, accuracy of CT was 84.6% (11/13) in patients aged <35 years; 100.0% (20/20), aged 35 to 39years; 89.4% (59/66), aged 40 to 49 years; and 79.8% (79/99), aged ≥50 years. Cut-off age and PAC for concordance was <50years and >29.6 ng/dL, respectively. The significant difference in accuracy of CT in 198 patients with marked PA and a unilateral lesion between the <50-year age group and ≥50-year age group (90.9% vs. 79.8%, P=0.044) disappeared in 139 of 198 patients withPAC > 30.0 ng/dL (91.9% vs. 87.7%, P=0.590). Conclusion: Patients with hypokalemia, PAC >30.0 ng/dL, and unilateral lesion were at high risk of unilateral PA regardless of age.

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