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Effects of Altered Calcium Metabolism on Cardiac Parameters in Primary Aldosteronism

Authors
 Jung Soo Lim  ;  Namki Hong  ;  Sungha Park  ;  Sung Il Park  ;  Young Taik Oh  ;  Min Heui Yu  ;  Pil Yong Lim  ;  Yumie Rhee 
Citation
 Endocrinology and Metabolism (대한내분비학회지), Vol.33(4) : 485-492, 2018 
Journal Title
 Endocrinology and Metabolism (대한내분비학회지) 
ISSN
 2093-596X 
Issue Date
2018
Keywords
Heart diseases ; Hyperaldosteronism ; Hypocalcemia ; Parathyroid hormone
Abstract
BACKGROUND: Increasing evidence supports interplay between aldosterone and parathyroid hormone (PTH), which may aggravate cardiovascular complications in various heart diseases. Negative structural cardiovascular remodeling by primary aldosteronism (PA) is also suspected to be associated with changes in calcium levels. However, to date, few clinical studies have examined how changes in calcium and PTH levels influence cardiovascular outcomes in PA patients. Therefore, we investigated the impact of altered calcium homeostasis caused by excessive aldosterone on cardiovascular parameters in patients with PA. METHODS: Forty-two patients (mean age 48.8±10.9 years; 1:1, male:female) whose plasma aldosterone concentration/plasma renin activity ratio was more than 30 were selected among those who had visited Severance Hospital from 2010 to 2014. All patients underwent adrenal venous sampling with complete access to both adrenal veins. RESULTS: The prevalence of unilateral adrenal adenoma (54.8%) was similar to that of bilateral adrenal hyperplasia. Mean serum corrected calcium level was 8.9±0.3 mg/dL (range, 8.3 to 9.9). The corrected calcium level had a negative linear correlation with left ventricular end-diastolic diameter (LVEDD, ρ=-0.424, P=0.031). Moreover, multivariable regression analysis showed that the corrected calcium level was marginally associated with the LVEDD and corrected QT (QTc) interval (β=-0.366, P=0.068 and β=-0.252, P=0.070, respectively). CONCLUSION: Aldosterone-mediated hypercalciuria and subsequent hypocalcemia may be partly involved in the development of cardiac remodeling as well as a prolonged QTc interval, in subjects with PA, thereby triggering deleterious effects on target organs additively.
Files in This Item:
T201805217.pdf Download
DOI
10.3803/EnM.2018.33.4.485
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Park, Sung Ha(박성하) ORCID logo https://orcid.org/0000-0001-5362-478X
Oh, Young Taik(오영택) ORCID logo https://orcid.org/0000-0002-4438-8890
Rhee, Yumie(이유미) ORCID logo https://orcid.org/0000-0003-4227-5638
Hong, Nam Ki(홍남기) ORCID logo https://orcid.org/0000-0002-8246-1956
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/167118
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