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Langenbeck's Archives of Surgery

Published in:

01-04-2015 | Original Article

Outcome of surgical treatment of primary aldosteronism

Authors: Marilisa Citton, Giovanni Viel, Gian Paolo Rossi, Franco Mantero, Donato Nitti, Maurizio Iacobone

Published in: Langenbeck's Archives of Surgery | Issue 3/2015

Abstract

Purpose

The aim of this retrospective study was to analyze the early and long-term outcomes of the surgical treatment of primary aldosteronism (PA), the most common surgically correctable cause of endocrine hypertension.

Methods

Serum Potassium levels, blood pressure values, and aldosterone/renin ratio (ARR) were assessed in 128 patients undergoing unilateral adrenalectomy for PA, before and after surgery. The role of lateralizing techniques and the relationship between outcome and histopathology findings were also evaluated.

Results

Biochemical cure of PA (ARR and kalemia normalization) was achieved in 95 % of patients, at early follow-up. Single aldosterone-producing adenoma, multinodular hyperplasia, and diffuse hyperplasia were found in 46, 45, and 9 % of the patients, respectively. No relationship between histopathology and persistence or recurrence of PA was found. The use of further lateralizing techniques in addition to computed tomography or magnetic resonance was the main predictor of PA cure (p = 0.02); adrenal venous sampling (AVS) was more accurate than scintigraphy in PA lateralization (p < 0.05). After surgery, hypertension was cured in 55 % and improved in 36 % of patients. Female gender, a lower number of antihypertensive drugs, and a shorter duration of hypertension were the main predictors of hypertension cure. At long-term, recurrent PA occurred in 3.7 % of cases.

Conclusions

Early diagnosis and correct lateralization of hyperaldosteronism by means of AVS are keys to achieve surgical cure of PA and PA-related hypertension. PA may be also caused by unilateral hyperplasia, which may be cured by unilateral adrenalectomy. Recurrences of PA are rare, although a prolonged follow-up is required.

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Title: Outcome of surgical treatment of primary aldosteronism
Authors: Marilisa Citton
Giovanni Viel
Gian Paolo Rossi
Franco Mantero
Donato Nitti
Maurizio Iacobone
Publication date: 01-04-2015
Publisher: Springer Berlin Heidelberg
Published in: Langenbeck's Archives of Surgery / Issue 3/2015
Print ISSN: 1435-2443
Electronic ISSN: 1435-2451
DOI: https://doi.org/10.1007/s00423-014-1269-4

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Outcome of surgical treatment of primary aldosteronism

Abstract

Purpose

Methods

Results

Conclusions

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusions

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