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The KCNJ5 mutation is the most frequent mutation in aldosterone-producing adenoma (APA). We aimed to illustrate the relationship between KCNJ5 and prognosis after adrenalectomy as a guide for further treatment. Our study included 458 patients with APA. Tumor tissues were screened for somatic mutations in KCNJ5 hot-spot regions. We performed a retrospective analysis to identify correlations between KCNJ5 and clinical outcomes in 334 patients with adrenal venous sampling lateralization. Somatic KCNJ5 mutations were identified in 324 of 458 patients with APA (70.7%). Compared with the KCNJ5-wild type patients, patients with KCNJ5 mutations were younger, had a higher proportion of women, and had shorter durations of hypertension, lower body mass indexes (BMIs), and lower systolic blood pressure values (P < .05). During follow-up, among the 334 patients with APA with adrenal venous sampling lateralization, 320 (95.8%) presented complete biochemical success and 187 (56.0%) presented complete clinical success. One hundred eighty-seven patients with primary aldosteronism who achieved complete clinical success presented the following characteristics: age <40 years (78.7%), BMI <24 kg/m2 (71.0%), hypertension duration <5 years (78.4%), females (66.9%), and KCNJ5 mutation (65.5%). A multivariate logistic regression analysis identified BMI, hypertension duration, and KCNJ5 mutation as independent predictors of complete clinical success. The prevalence of KCNJ5 mutations was 70.7%. KCNJ5 mutation is a protective factor of complete clinical success, while BMI and hypertension duration were risk factors of incomplete clinical success. Copyright © 2021 AACE. Published by Elsevier Inc. All rights reserved.


Cui Zhang, Luming Wu, Lei Jiang, Tingwei Su, Weiwei Zhou, Xu Zhong, Jing Xie, Fukang Sun, Yu Zhu, Yiran Jiang, Weiqing Wang. KCNJ5 Mutation Contributes to Complete Clinical Success in Aldosterone-Producing Adenoma: A Study From a Single Center. Endocrine practice : official journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists. 2021 Jul;27(7):736-742

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PMID: 33678553

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