Adrenocorticotropic hormone application lowered aldosterone/cortisol value on dominant side without superior surgical outcomes during adrenal venous sampling.

Adrenal venous sampling (AVS) is thought to be the gold standard for primary aldosteronism (PA) subtype discrimination, during which the application of adrenocorticotropic hormone (ACTH) arouses heated debate. We aimed to identify the effect of ACTH on AVS and surgical outcomes. After propensity score matching (PSM), a total of 220 patients diagnosed with PA and completed AVS were included (110 without ACTH stimulation and 110 with ACTH stimulation). According to AVS results, surgeries were conducted in appropriate patients. ACTH stimulation significantly increased almost all selectivity index (SI) in both left adrenal vein (LAV) and right adrenal vein (RAV). We discovered that aldosterone/cortisol (A/C) value on dominant side significantly reduced after ACTH stimulation, with a reduction in lateralization index (LI) observed. Finally, 39 patients in unstimulated group and 32 patients in stimulated group completed surgery and enough follow-up. The comparison between surgical outcomes with and without ACTH stimulation was analyzed and the difference was not significant (p = .464). In conclusion, ACTH application significantly lowered A/C value instead of the relative aldosterone secretion index (RASI) value on dominant side, which did not yield superior surgical outcomes and might render confusing AVS interpretation.

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© 2023 The Authors. The Journal of Clinical Hypertension published by Wiley Periodicals LLC.