• J Formos Med Assoc · May 2023

    Unilateral adrenalectomy in bilateral adrenal hyperplasia with primary aldosteronism.

    • Yu-Cheng Lu, Kao-Lang Liu, Vin-Cent Wu, Shuo-Meng Wang, Yen-Hung Lin, Shih-Chieh Jeff Chueh, Kwan-Dun Wu, Yann-Rong Su, Kuo-How Huang, and TAIPAI Study Group.
    • Department of Urology, National Taiwan University Hospital, Taipei, Taiwan.
    • J Formos Med Assoc. 2023 May 1; 122 (5): 393399393-399.

    PurposeMineralocorticoid receptor antagonists are the first-line treatment for bilateral adrenal hyperplasia (BAH) with primary aldosteronism (PA), while unilateral adrenalectomy is the standard treatment for aldosterone-producing adenoma (APA). In this study, we investigated the outcomes of patients with BAH after unilateral adrenalectomy and compared them with those of patients with APA.MethodsFrom January 2010 to November 2018, 102 patients with a diagnosis of PA confirmed by adrenal vein sampling (AVS) and available NP-59 scans were enrolled. All patients underwent unilateral adrenalectomy based on the lateralization test results. We prospectively collected the clinical parameters over 12 months and compared the outcomes of BAH and APA.ResultsA total of 102 patients were enrolled in this study: 20 (19.6%) had BAH and 82 (80.4%) had APA. Significant improvements in serum aldosterone-renin ratio (ARR), potassium level, and reduction of antihypertensive drugs were observed in both groups at 12 months after surgery (all p < 0.05). Patients with APA showed a significant decrease in blood pressure after surgery (p < 0.001) than those with BAH. Additionally, multivariate logistic regression analysis indicated that APA was associated with biochemical success (odds ratio: 4.32, p = 0.024) compared to BAH.ConclusionPatients with BAH had a higher failure rate in clinical outcomes, and APA was associated with biochemical success after unilateral adrenalectomy. However, significant improvements in ARR, hypokalemia, and a decreased use of antihypertensive drugs were noted in patients with BAH after surgery. Unilateral adrenalectomy is feasible and beneficial in selected patients, and could potentially serve as a treatment option.Copyright © 2023. Published by Elsevier B.V.

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