Predictors of renal function after adrenalectomy in patients with Cushing or subclinical Cushing syndrome

Ryohei Kufukihara, Toshikazu Takeda, Kyohei Hakozaki, Yota Yasumizu, Nobuyuki Tanaka, Kazuhiro Matsumoto, Shinya Morita, Takeo Kosaka, Ryuichi Mizuno, Hiroshi Asanuma, Kazutoshi Miyashita, Isao Kurihara, Mototsugu Oya

研究成果: Article査読

抄録

Purpose: The postoperative course of renal function remains unclear in Cushing syndrome. We examined changes in renal function after adrenalectomy in patients with Cushing syndrome and attempted to identify predictors of renal impairment. Methods: The study population comprised 76 patients who underwent adrenalectomy for Cushing and subclinical Cushing syndrome between 2001 and 2018. Renal function and other factors were evaluated pre-operation, at 1 postoperative month, and 1 postoperative year. We defined a ≥10% decrease in the estimated glomerular filtration rate at 1 postoperative year as renal impairment, and predictors associated with this reduction were investigated. The relationship between renal function and steroid replacement after surgery was also examined. Results: Mean pre-operative estimated glomerular filtration rate was 82.2 ml/min/1.73 m2. While mean estimated glomerular filtration rate was significantly lower at 1 postoperative month than the pre-operative value (71.7 ml/min/1.73 m2 [89.1%], p < 0.001), no significant differences were observed between 1 postoperative year and pre-operation (79.5 ml/min/1.73 m2 [97.6%], p = 0.108). Twenty-six patients (34.2%) developed renal impairment. A multivariate analysis identified a low pre-operative adrenocorticotropic hormone level as an independent predictor of renal impairment (odds ratio 6.30, p = 0.031). Among 43 patients with available records of steroid replacement history, 18 (41.9%) developed renal impairment. The ratio of patients with a reduced steroid replacement dose at 1 postoperative month was significantly lower among patients with renal impairment than those without (22.2% vs. 56.0%, p = 0.027). Conclusions: The pre-operative adrenocorticotropic hormone level was a predictor of renal function after adrenalectomy in patients with Cushing or subclinical Cushing syndrome.

本文言語English
ジャーナルInternational Journal of Urology
DOI
出版ステータスAccepted/In press - 2022

ASJC Scopus subject areas

  • 泌尿器学

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