Appropriate timing for a biochemical evaluation after adrenalectomy for unilateral aldosterone-producing adenoma

Kimiharu Takamatsu, Toshikazu Takeda, Seiya Hattori, Nobuyuki Tanaka, Shinya Morita, Kazuhiro Matsumoto, Takeo Kosaka, Ryuichi Mizuno, Toshiaki Shinojima, Eiji Kikuchi, Hiroshi Asanuma, Isao Kurihara, Hiroshi Itoh, Mototsugu Oya

研究成果: Article査読

1 被引用数 (Scopus)

抄録

Context: The oversecretion of plasma aldosterone by unilateral aldosterone-producing adenoma (APA) can be cured by adrenalectomy. However, the time needed for the endocrine environment to normalize remains unclear. Objective: To clarify adequate timing for a biochemical evaluation in unilateral APA patients after adrenalectomy. Design and patients: A total of 166 unilateral APA patients were retrospectively reviewed. We evaluated the plasma aldosterone concentration (PAC) (pg/mL), active renin concentration (ARC) (pg/mL), aldosterone-renin ratio (ARR; PAC/ARC), serum potassium concentration and estimated glomerular filtration rate (eGFR) at 1, 3 and 6 postoperation months (POM). Results: PAC was significantly lower at 1POM than at presurgery (presurgery; 407.2, 1 POM; 90.0 pg/mL, P <.001). ARC did not increase from baseline at 1POM, but significantly increased at 3POM (presurgery; 4.43, 1POM; 4.87, 3POM; 11.3 pg/mL, P <.001). ARR significantly decreased at 1POM (presurgery; 146.9, 1 POM; 26.3, P <.001) although ARC did not increase at 1POM. Among the 34 patients who had hypokalaemia presurgery, it was resolved in 28 (82%) at 1POM and in all (100%) at 3POM. The biochemical outcomes at 1POM were 131 (79%) complete, 20 (12%) partial and 15 (9%) absent successes, while at 3POM, 147 (89%) were complete, 9 (5%) partial and 10 (6%) absent. Twenty-three (14%) patients were reclassified into different biochemical outcomes between 1 and 3POM, whereas only 5 (3%) changed between 3 and 6POM. Conclusion: The appropriate timing for a biochemical evaluation of unilateral APA patients treated with laparoscopic adrenalectomy appears to be 3 months or more after surgery.

本文言語English
ページ(範囲)503-508
ページ数6
ジャーナルClinical Endocrinology
92
6
DOI
出版ステータスPublished - 2020 6 1

ASJC Scopus subject areas

  • 内分泌学、糖尿病および代謝内科学
  • 内分泌学

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