Long-term blood pressure outcomes of patients with adrenal venous sampling-proven unilateral primary aldosteronism.

Primary aldosteronism (PA) is mainly treated by mineralocorticoid receptor antagonists or laparoscopic adrenalectomy (LA), but the effectiveness of surgical versus medical treatment in patients with adrenal venous sampling (AVS)-proven unilateral PA is unclear. Fifty-one consecutive patients with AVS-proven PA were enrolled. We compared the therapeutic effects between the surgery group (n = 21) and medication group (n = 30) by evaluating the complete control rate (CCR) of hypertension, blood pressure (BP), and number of antihypertensive drugs after a long-term follow-up (>12 months). The CCR of hypertension was assessed using a multivariate adjusted Cox proportional hazards regression model. After a mean follow-up of 21.18 ± 5.35 months, the CCR was significantly higher in the surgery than medication group (85.7% vs. 13.3%, respectively; p < 0.001). Before adjustment for covariates, the CCR of hypertension in patients who underwent LA was 7.75 times higher than that in patients who underwent medical treatment (95% CI, 2.33-25.78; p = 0.001); significant results were also shown in the adjusted models. Systolic and diastolic BP were also lower in the surgery than medication group (120.3 ± 12.99 vs. 133.54 ± 16.60 and 79.00 ± 7.62 vs. 87.35 ± 12.36 mmHg, respectively; p = 0.01 for both), as was the number of antihypertensive drugs (0.19 ± 0.51 vs. 2.33 ± 0.78, respectively; p < 0.001). The rate of hypokalemia was not significantly different between the two groups (0.0% vs. 13.3%, respectively; p = 0.13). In conclusion, AVS plays an essential role in the subtype diagnosis of PA, and surgical candidates with AVS-proven unilateral PA should be highly suggested to undergo LA.

Journal of human hypertension. 2019 Sep 05 [Epub ahead of print]

Xu Meng, Wen-Jun Ma, Xiong-Jing Jiang, Pei-Pei Lu, Ying Zhang, Peng Fan, Jun Cai, Hui-Min Zhang, Lei Song, Hai-Ying Wu, Xian-Liang Zhou, Ying Lou

Department of Cardiology, Fuwai Hospital, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 167 Beilishi Road, Beijing, 100037, China., Department of Cardiology, Fuwai Hospital, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 167 Beilishi Road, Beijing, 100037, China. ., Department of Cardiology, Fuwai Hospital, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 167 Beilishi Road, Beijing, 100037, China. .

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