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KMID : 0986520110110040276
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Korean Journal of Endoscrine Surgery
2011 Volume.11 No. 4 p.276 ~ p.282
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Postoperative Outcomes in Patients Undergoing Adrenalectomy for Primary Aldosteronism
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Ryu Jai-Min
Jung Seung-Pil
Lee Jeong-Hee
Kim Ji-Young
Choi Min-Young
Lee Se-Kyung
Kil Won-Ho
Choe Jun-Ho
Lee Jeong-Eon
Kim Jee-Soo
Nam Seok-Jin
Yang Jung-Hyun
Kim Jeong-Han
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Abstract
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Purpose: Primary aldosteronism (PA) is characterized by hypertension (HTN), hypokalemia, suppressed plasma renin activity, and inappropriate aldosterone secretion. The purpose of this study was to analyze postoperative results on blood pressure (BP), and to determine the factors associated with resolution of HTN after adrenalectomy for PA.
Methods: One hundred eight patients (66 females and 42 males) with a mean age of 46 years underwent adrenalectomy for PA between January 1, 1996 and September 30, 2009. Their clinical characteristics and biochemical parameters were reviewed retrospectively.
Results: All patients had HTN preoperatively and 20 patients (18.1%) had uncontrolled HTN. Hypokalemia was evident in 89.1% of patients, cardiovascular events in 4.5% and cerebrovascular events in 8.2%. There was a significant decrease in both systolic BP and diastolic BP postoperatively, as compared with that before operation. Median systolic BP decreased from 150 mmHg to 125 mmHg at the last follow-up (P＜0.01), and median diastolic BP decreased from 93.5 mmHg to 81.5 mmHg (P＜0.01). Sixty two (57.4%) patients were cured of HTN and did not require any hypertensive agent, and 38 (35.1%) patients had an improvement in BP control, whereas 9 (8.3%) patients had no change in BP. Univariate analysis showed that duration of HTN and more than two HTN treatment agents were independent factors predicting sustained hypertension after surgery.
Conclusion: The duration of HTN and the severity of HTN are factors influencing persistence of HTN after operation for a PA.
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KEYWORD
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Adrenalectomy, Adrenocortical adenoma, Hypertension, Hyperaldosteronism
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