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Culver SA, Suleman N, Kavuru V, Siragy HM. Renal Hypokalemia: An Endocrine Perspective. J Clin Endocrinol Metab 2024; 109:1694-1706. [PMID: 38546505 DOI: 10.1210/clinem/dgae201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Indexed: 06/18/2024]
Abstract
The majority of disorders that cause renal potassium wasting present with abnormalities in adrenal hormone secretion. While these findings frequently lead patients to seek endocrine evaluation, clinicians often struggle to accurately diagnose these conditions, delaying treatment and adversely impacting patient care. At the same time, growing insight into the genetic and molecular basis of these disorders continues to improve their diagnosis and management. In this review, we outline a practical integrated approach to the evaluation of renal hypokalemia syndromes that are seen in endocrine practice while highlighting recent advances in understanding of the genetics and pathophysiology behind them.
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Affiliation(s)
- Silas A Culver
- Division of Endocrinology, Department of Medicine, University of Virginia Health System, Charlottesville, VA 22908, USA
| | - Nawar Suleman
- Division of Endocrinology, Department of Medicine, University of Virginia Health System, Charlottesville, VA 22908, USA
| | - Varun Kavuru
- Department of Medicine, University of Virginia Health System, Charlottesville, VA 22908, USA
| | - Helmy M Siragy
- Division of Endocrinology, Department of Medicine, University of Virginia Health System, Charlottesville, VA 22908, USA
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Zhang Q, Zhao Z, Cheng W, Zhang Y, Li Z, Liu H, Xu C, Wang K. Effects of sodium intake, age, gender, blood sampling time on distribution of plasma aldosterone, renin activity, deoxycorticosterone, cortisol, cortisone, and 24 h urinary aldosterone levels in normotensive individuals based on LC-MS/MS. Endocrine 2024:10.1007/s12020-024-03899-w. [PMID: 38833202 DOI: 10.1007/s12020-024-03899-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2024] [Accepted: 05/27/2024] [Indexed: 06/06/2024]
Abstract
PURPOSE This study aims to analyze the distribution of plasma aldosterone, renin activity, deoxycorticosterone (DOC), cortisol, cortisone, and 24 h urinary aldosterone (24 h-uAld) levels based on liquid chromatography-tandem mass spectrometry (LC-MS/MS) method. MATERIALS AND METHODS Plasma and 24 h urine were collected from 129 healthy volunteers in Northeast China. The effect of sodium intake, age, gender, blood sampling time on plasma aldosterone concentration (PAC), plasma renin activity (PRA), PAC to PRA ratio (ARR), DOC, cortisol, cortisone, cortisol to cortisone ratio, and 24 h-uAld were investigated by nonparametric test, multiple linear regression and Harris-Boyd's standard deviate test. RESULTS There was no significant difference observed in 24 h-uAld, PAC (AM), PRA(AM), ARR (AM), DOC (AM), cortisol (AM), cortisone (AM), and cortisol to cortisone (AM) between high and low sodium intake group. Significant differences were observed between morning and afternoon sampling groups in terms of PAC, ARR, DOC, cortisol, and cortisone. Reference intervals (RIs) of 24 h-uAld, PAC (AM) were recommended to be partitioned by gender. RI of PRA was recommended age stratification. CONCLUSION We recommend that the same reference interval could be used regardless of sodium intake. Gender is the main influence factor for 24 h-uAld, PAC, and ARR. Age is key influence factor for PRA.
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Affiliation(s)
- Qi Zhang
- Key Laboratory of Digital Technology in Medical Diagnostics of Zhejiang Province, Hangzhou City, Zhejiang Province, China
| | - Zheng Zhao
- Key Laboratory of Digital Technology in Medical Diagnostics of Zhejiang Province, Hangzhou City, Zhejiang Province, China
| | - Weiyang Cheng
- Key Laboratory of Digital Technology in Medical Diagnostics of Zhejiang Province, Hangzhou City, Zhejiang Province, China
| | - Yiling Zhang
- Key Laboratory of Digital Technology in Medical Diagnostics of Zhejiang Province, Hangzhou City, Zhejiang Province, China
| | - Zhilong Li
- Key Laboratory of Digital Technology in Medical Diagnostics of Zhejiang Province, Hangzhou City, Zhejiang Province, China
| | - Huiying Liu
- Key Laboratory of Digital Technology in Medical Diagnostics of Zhejiang Province, Hangzhou City, Zhejiang Province, China
| | - Chunxia Xu
- Key Laboratory of Digital Technology in Medical Diagnostics of Zhejiang Province, Hangzhou City, Zhejiang Province, China
| | - Kaijuan Wang
- Center of Laboratory Medicine, National Center for Cardiovascular Diseases & Fuwai Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China.
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Queiroz NL, Stumpf MAM, Souza VCM, Maciel AAW, Fagundes GFC, Okubo J, Srougi V, Tanno FY, Chambo JL, Pereira MAA, Pio-Abreu A, Bortolotto LA, Latronico AC, Barisson Villares Fragoso MC, Drager LF, Mendonça BB, Almeida MQ. Renal Function Evolution and Hypoaldosteronism Risk After Unilateral Adrenalectomy for Primary Aldosteronism. Horm Metab Res 2024; 56:350-357. [PMID: 38040032 DOI: 10.1055/a-2221-3302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/03/2023]
Abstract
Few studies demonstrated a percentage decrease in the estimated glomerular filtration rate (eGFR) at a single time and the rate of hypoaldosteronism after adrenalectomy for primary aldosteronism (PA). Our aim was to investigate the evolution of renal function and the hypoaldosteronism risk after adrenalectomy for PA. Aldosterone, renin, eGFR, and electrolyte levels were determined before and at 1 week, 1, 3 and 6 months after unilateral adrenalectomy in 94 PA patients (40 men and 54 women). The main outcome was the postoperative eGFR decline using analysis of covariance with the preoperative eGFR as a covariate. eGFR decreased during first postoperative week compared to 3 months before surgery. During the first 6 months, eGFR remained stable at similar levels to the first week after surgery. Age (p=0.001), aldosterone levels (p=0.021) and eGFR 3 months before surgery (p+<+0.0001) had a significant correlation with eGFR during first postoperative week. High aldosterone levels at diagnosis were correlated with decline in renal function in the univariate model (p=0.033). In the multivariate analysis, aldosterone levels at diagnosis had a tendency to be an independent predictor of renal function after surgery (p=0.059). Postoperative biochemical hypoaldosteronism was diagnosed in 48% of the cases after adrenalectomy, but prolonged hyperkalemia occurred in only 4 cases (4.5%). Our findings showed a decrease of eGFR after unilateral adrenalectomy for PA. Additionally, aldosterone levels at diagnosis correlated with postoperative renal function. Postoperative biochemical hypoaldosteronism occurred in almost half of the patients, but prolonged hyperkalemia with fludrocortisone replacement was less frequent.
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Affiliation(s)
- Nara L Queiroz
- Unidade de Adrenal, Laboratório de Endocrinologia Molecular e Celular LIM/25, Divisão de Endocrinologia e Metabologia, Hospital das Clínicas, Universidade de São Paulo Faculdade de Medicina, Sao Paulo, Brazil
| | - Matheo A M Stumpf
- Unidade de Adrenal, Laboratório de Endocrinologia Molecular e Celular LIM/25, Divisão de Endocrinologia e Metabologia, Hospital das Clínicas, Universidade de São Paulo Faculdade de Medicina, Sao Paulo, Brazil
| | - Victor C M Souza
- Unidade de Adrenal, Laboratório de Endocrinologia Molecular e Celular LIM/25, Divisão de Endocrinologia e Metabologia, Hospital das Clínicas, Universidade de São Paulo Faculdade de Medicina, Sao Paulo, Brazil
| | - Ana Alice W Maciel
- Unidade de Adrenal, Laboratório de Endocrinologia Molecular e Celular LIM/25, Divisão de Endocrinologia e Metabologia, Hospital das Clínicas, Universidade de São Paulo Faculdade de Medicina, Sao Paulo, Brazil
| | - Gustavo F C Fagundes
- Unidade de Adrenal, Laboratório de Endocrinologia Molecular e Celular LIM/25, Divisão de Endocrinologia e Metabologia, Hospital das Clínicas, Universidade de São Paulo Faculdade de Medicina, Sao Paulo, Brazil
| | - Jessica Okubo
- Unidade de Adrenal, Laboratório de Endocrinologia Molecular e Celular LIM/25, Divisão de Endocrinologia e Metabologia, Hospital das Clínicas, Universidade de São Paulo Faculdade de Medicina, Sao Paulo, Brazil
| | - Victor Srougi
- Divisão de Urologia, Hospital das Clínicas, Universidade de São Paulo Faculdade de Medicina, Sao Paulo, Brazil
| | - Fabio Y Tanno
- Divisão de Urologia, Hospital das Clínicas, Universidade de São Paulo Faculdade de Medicina, Sao Paulo, Brazil
| | - Jose L Chambo
- Divisão de Urologia, Hospital das Clínicas, Universidade de São Paulo Faculdade de Medicina, Sao Paulo, Brazil
| | - Maria Adelaide A Pereira
- Unidade de Adrenal, Laboratório de Endocrinologia Molecular e Celular LIM/25, Divisão de Endocrinologia e Metabologia, Hospital das Clínicas, Universidade de São Paulo Faculdade de Medicina, Sao Paulo, Brazil
| | - Andrea Pio-Abreu
- Unidade de Hipertensão, Disciplina de Nefrologia, Hospital das Clínicas, Universidade de São Paulo Faculdade de Medicina, Sao Paulo, Brazil
| | - Luiz A Bortolotto
- Unidade de Hipertensão, Instituto do Coração (InCor), Universidade de São Paulo Faculdade de Medicina, Sao Paulo, Brazil
| | - Ana Claudia Latronico
- Unidade de Adrenal, Laboratório de Endocrinologia Molecular e Celular LIM/25, Divisão de Endocrinologia e Metabologia, Universidade de São Paulo Faculdade de Medicina, Sao Paulo, Brazil
| | - Maria Candida Barisson Villares Fragoso
- Unidade de Adrenal & Desenvolvimento, Laboratório de Hormônios e Genética Molecular LIM/42, Divisão de Endocrinologia e Metabologia, Hospital das Clínicas, Universidade de São Paulo Faculdade de Medicina, Sao Paulo, Brazil
- Divisão de Oncologia Endócrina, Instituto do Câncer do Estado de São Paulo (ICESP), Universidade de São Paulo Faculdade de Medicina, Sao Paulo, Brazil
| | - Luciano F Drager
- Unidade de Hipertensão, Disciplina de Nefrologia, Hospital das Clínicas, Universidade de São Paulo Faculdade de Medicina, Sao Paulo, Brazil
- Unidade de Hipertensão, Instituto do Coração (InCor), Universidade de São Paulo Faculdade de Medicina, Sao Paulo, Brazil
| | - Berenice B Mendonça
- Unidade de Adrenal & Desenvolvimento, Laboratório de Hormônios e Genética Molecular LIM/42, Divisão de Endocrinologia e Metabologia, Hospital das Clínicas, Universidade de São Paulo Faculdade de Medicina, Sao Paulo, Brazil
| | - Madson Q Almeida
- Unidade de Adrenal, Laboratório de Endocrinologia Molecular e Celular LIM/25, Divisão de Endocrinologia e Metabologia, Hospital das Clínicas, Universidade de São Paulo Faculdade de Medicina, Sao Paulo, Brazil
- Divisão de Oncologia Endócrina, Instituto do Câncer do Estado de São Paulo (ICESP), Universidade de São Paulo Faculdade de Medicina, Sao Paulo, Brazil
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Charoensri S, Turcu AF. Primary Aldosteronism Prevalence - An Unfolding Story. Exp Clin Endocrinol Diabetes 2023; 131:394-401. [PMID: 36996879 DOI: 10.1055/a-2066-2696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/01/2023]
Abstract
Primary aldosteronism (PA) is characterized by dysregulated, renin-independent aldosterone excess. Long perceived as rare, PA has emerged as one of the most common causes of secondary hypertension. Failure to recognize and treat PA results in cardiovascular and renal complications, through processes mediated by both direct target tissue insults and indirectly, by hypertension. PA spans a continuum of dysregulated aldosterone secretion, which is typically recognized in late stages after treatment-resistant hypertension and cardiovascular and/or renal complications develop. Determining the precise disease burden remains challenging due to heterogeneity in testing, arbitrary thresholds, and populations studied. This review summarizes the reports on PA prevalence among the general population and in specific high-risk subgroups, highlighting the impact of rigid versus permissive criteria on PA prevalence perception.
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Affiliation(s)
- Suranut Charoensri
- Division of Metabolism, Endocrinology, and Diabetes, Department of Internal Medicine, University of Michigan, USA. Ann Arbor, Michigan
- Division of Endocrinology and Metabolism, Department of Medicine, Faculty of Medicine, Khon Kaen University, Thailand
| | - Adina F Turcu
- Division of Metabolism, Endocrinology, and Diabetes, Department of Internal Medicine, University of Michigan, USA. Ann Arbor, Michigan
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