Korean J Endocr Surg.  2003 Oct;3(2):141-146. 10.16956/kjes.2003.3.2.141.

Factors Influencing Outcome of Surgical Treatment for Primary Aldosteronism

Affiliations
  • 1Department of Surgery, Seoul National University College of Medicine, Seoul, Korea. osk@snu.ac.kr

Abstract

PURPOSE
Primary aldosteronism due to an adrenal cortical adenoma is a surgically curable disease. However, hypertension is known to persist postoperatively in many patients. The aim of this study was to determine the factors influencing the long-term outcome of blood pressure after an adrenalectomy for a primary aldosteronism and to evaluate the changing pattern of renin and aldosterone.
METHODS
Forty-two cases of primary aldosteronism, which were operated on and followed up at the Department of Surgery, Seoul National University Hospital from January 1986 to June 2001 were included in this study. The subjects were classified into a normotensive group and a hypertensive group and the two groups were compared according to the clinical, biochemical and pathological parameters.
RESULTS
After surgery, the aldosterone concentration was decreased and the plasma renin activity was increased. During a mean follow-up period of 28 months, 31 patients (73.8%) had a normal blood pressure without an antihypertensive treatment. The significant risk factors for persistent hypertension were a family history of hypertension, a long duration of preoperative hypertension, a poor response of preoperative spironolactone. The hypertensive group had a higher level of postoperative plasma renin activity and an aldosterone concentration in the long-term follow-up period after surgery.
CONCLUSION
A family history of hypertension, the duration of hypertension and the response to spironolactone were factors influencing persistent hypertension after surgery for a primary aldosteronism. A high level of plasma renin activity and aldosterone during the follow-up period is related to the persistent hypertension. Therefore, early detection and surgery for a primary aldosteronism would reduce the preoperative cardiovascular changes and improve the postoperative outcome.

Keyword

Primary aldosteronism; Surgery; Outcome

MeSH Terms

Adrenalectomy
Adrenocortical Adenoma
Aldosterone
Blood Pressure
Follow-Up Studies
Humans
Hyperaldosteronism*
Hypertension
Plasma
Renin
Risk Factors
Seoul
Spironolactone
Aldosterone
Renin
Spironolactone

Cited by  1 articles

Predictors of Resolution of Hypertension after Adrenalectomy in Patients with Aldosterone-producing Adenoma
Ra Mi Kim, Jandee Lee, Euy-Young Soh
J Korean Med Sci. 2010;25(7):1041-1044.    doi: 10.3346/jkms.2010.25.7.1041.

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