| Small tumor size as favorable prognostic factor after adrenalectomy in Conn's adenoma. | |
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MedLine Citation:
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PMID: 19131503 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: Primary aldosteronism (PA) due to aldosterone-producing adenoma (APA) is the most common curable form of secondary hypertension. DESIGN: In order to evaluate blood pressure outcome after adrenalectomy for APA and to identify new favorable prognostic factors, data from 42 consecutive APA patients who underwent adrenalectomy were collected from 2005 to 2007. METHODS: Renin-angiotensin-aldosterone system (upright and postsaline infusion test), serum and urinary electrolytes, office and ambulatory blood pressure monitoring were evaluated at baseline and after a follow-up of 2.7+/-2.2 years. Drug history and adenoma size at morphological evaluation were also collected. RESULTS: Multiple regression analysis showed that, before surgery, patients with a small adenoma (diameter <20 mm) displayed higher postsaline aldosterone values (P=0.0001), and lower serum potassium levels (P=0.020), than patients with adenoma >20 mm. Before surgery, mineralocorticoid receptor (MR) antagonists were used in patients with small APA in greater percentage than patients with bigger adenomas (64 vs 30% respectively, P=0.037). At follow-up, blood pressure normalized in 63% of the subjects. Recovered patients had a shorter duration of hypertension (P=0.038), and a smaller adenoma size (P=0.035). Receiver operating characteristic curves showed that a duration of hypertension <or=6 years and an APA size <20 mm were the best predictors of blood pressure normalization. Patients with APA <20 mm showed the complete restoration of blood pressure circadian rhythm. CONCLUSIONS: The presence of APA <20 mm, duration of hypertension equal or less than 6 years, and preoperative MR antagonists use are favorable prognostic factors for hypertension recovery after adrenalectomy. |
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Authors:
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Gilberta Giacchetti; Vanessa Ronconi; Silvia Rilli; Mario Guerrieri; Federica Turchi; Marco Boscaro |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2009-01-08 |
Journal Detail:
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Title: European journal of endocrinology / European Federation of Endocrine Societies Volume: 160 ISSN: 1479-683X ISO Abbreviation: Eur. J. Endocrinol. Publication Date: 2009 Apr |
Date Detail:
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Created Date: 2009-03-31 Completed Date: 2009-04-16 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9423848 Medline TA: Eur J Endocrinol Country: England |
Other Details:
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Languages: eng Pagination: 639-46 Citation Subset: IM |
Affiliation:
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Division of Endocrinology, Azienda Ospedaliero-Universitaria, Ospedali Riuniti Umberto I-GM Lancisi-G Salesi, Università Politecnica delle Marche, Ancona, Italy. g.giacchetti@ospedaliriuniti.marche.it |
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| MeSH Terms | |
Descriptor/Qualifier:
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Adrenal Cortex Neoplasms
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pathology*,
surgery* Adrenalectomy* Adrenocortical Adenoma / pathology*, surgery* Aged Aldosterone / blood Blood Pressure / physiology Blood Pressure Monitoring, Ambulatory Female Follow-Up Studies Humans Hypertension / etiology, physiopathology Laparoscopy Magnetic Resonance Imaging Male Middle Aged Prognosis Tomography, X-Ray Computed Treatment Outcome |
| Chemical | |
Reg. No./Substance:
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52-39-1/Aldosterone |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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