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Dhont S, Martens P, Meekers E, Dauw J, Verbrugge FH, Nijst P, Ter Maaten JM, Damman K, Mebazaa A, Filippatos G, Ruschitzka F, Tang WHW, Dupont M, Mullens W. Sodium and potassium changes during decongestion with acetazolamide - A pre-specified analysis from the ADVOR trial. Eur J Heart Fail 2023; 25:1310-1319. [PMID: 37062871 DOI: 10.1002/ejhf.2863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/28/2023] [Accepted: 04/08/2023] [Indexed: 04/18/2023] Open
Abstract
AIMS Acetazolamide, an inhibitor of proximal tubular sodium reabsorption, leads to more effective decongestion in acute heart failure (AHF). It is unknown whether acetazolamide alters serum sodium and potassium levels on top of loop diuretics and if baseline values modify the treatment effect of acetazolamide. METHODS AND RESULTS This is a pre-specified sub-analysis of the ADVOR trial that randomized 519 patients with AHF and volume overload in a 1:1 ratio to intravenous acetazolamide or matching placebo on top of standardized intravenous loop diuretics. Mean potassium and sodium levels at randomization were 4.2 ± 0.6 and 139 ± 4 mmol/L in the acetazolamide arm versus 4.2 ± 0.6 and 140 ± 4 mmol/L in the placebo arm. Hypokalaemia (<3.5 mmol/L) on admission was present in 44 (9%) patients and hyponatraemia (≤135 mmol/L) in 82 (16%) patients. After 3 days of treatment, 44 (17%) patients in the acetazolamide arm and 35 (14%) patients in the placebo arm developed hyponatraemia (p = 0.255). Patients randomized to acetazolamide demonstrated a slight decrease in mean potassium levels during decongestion, which was non-significant over time (p = 0.053) and had no significant impact on hypokalaemia incidence (p = 0.061). Severe hypokalaemia (<3.0 mmol/L) occurred in only 7 (1%) patients, similarly distributed between the two treatment arms (p = 0.676). Randomization towards acetazolamide improved decongestive response irrespective of baseline serum sodium and potassium levels. CONCLUSIONS Acetazolamide on top of standardized loop diuretic therapy does not lead to clinically important hypokalaemia or hyponatraemia and improves decongestion over the entire range of baseline serum potassium and sodium levels.
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Affiliation(s)
- Sebastiaan Dhont
- Department of Cardiology, Ziekenhuis Oost-Limburg A.V, Genk, Belgium
- Hasselt University, Diepenbeek/Hasselt, Belgium
| | - Pieter Martens
- Department of Cardiology, Ziekenhuis Oost-Limburg A.V, Genk, Belgium
- Department of Cardiovascular Medicine, Heart Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Evelyne Meekers
- Department of Cardiology, Ziekenhuis Oost-Limburg A.V, Genk, Belgium
- Hasselt University, Diepenbeek/Hasselt, Belgium
| | - Jeroen Dauw
- Hasselt University, Diepenbeek/Hasselt, Belgium
- Department of Cardiology, AZ Sint-Lucas, Ghent, Belgium
| | - Frederik H Verbrugge
- Centre for Cardiovascular Diseases, University Hospital Brussels, Jette, Belgium
- Faculty of Medicine and Pharmacy, Vrije Universiteit Brussel, Jette, Belgium
| | - Petra Nijst
- Department of Cardiology, Ziekenhuis Oost-Limburg A.V, Genk, Belgium
| | - Jozine M Ter Maaten
- Department of Cardiology, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Kevin Damman
- Department of Cardiology, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | | | | | - Frank Ruschitzka
- Department of Cardiology, University Heart Center, University Hospital Zurich, Zurich, Switzerland
| | - W H Wilson Tang
- Department of Cardiovascular Medicine, Heart Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Matthias Dupont
- Department of Cardiology, Ziekenhuis Oost-Limburg A.V, Genk, Belgium
| | - Wilfried Mullens
- Department of Cardiology, Ziekenhuis Oost-Limburg A.V, Genk, Belgium
- Hasselt University, Diepenbeek/Hasselt, Belgium
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O’Sullivan KF, Kashef MA, Knee AB, Roseman AS, Pekow PS, Stefan MS, Shieh MS, Pack QR, Lindenauer PK, Lagu T. Examining the "Repletion Reflex": The Association between Serum Potassium and Outcomes in Hospitalized Patients with Heart Failure. J Hosp Med 2019; 14:729-736. [PMID: 31339844 PMCID: PMC6897537 DOI: 10.12788/jhm.3270] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND In patients hospitalized with heart failure (HF) exacerbations, physicians routinely supplement potassium to maintain levels ≥4.0 mEq/L. The evidence basis for this practice is relatively weak. We aimed to evaluate the association between serum potassium levels and outcomes in patients hospitalized with HF. METHODS We identified patients admitted with acute HF exacerbations to hospitals that contributed to an electronic health record-derived dataset. In a subset of patients with normal admission serum potassium (3.5-5.0 mEq/L), we averaged serum potassium values during a 72-hour exposure window and categorized as follows: <4.0 mEq/L (low normal), 4.0-4.5 mEq/L (medium normal), and >4.5 mEq/L (high normal). We created multivariable models examining associations between these categories and outcomes. RESULTS We included 4,995 patients: 2,080 (41.6%), 2,326 (46.6%), and 589 (11.8%) in the <4.0, 4.0-4.5, and >4.5 mEq/L cohorts, respectively. After adjustment for demographics, comorbidities, and presenting severity, we observed no difference in outcomes between the low and medium normal groups. Compared to patients with levels <4.0 mEq/L, patients with a potassium level of >4.5 mEq/L had a longer length of stay (median of 0.6 days; 95% CI = 0.1 to 1.0) but did not have statistically significant increases in mortality (OR [odds ratio] = 1.51; 95% CI = 0.97 to 2.36) or transfers to the intensive care unit (OR = 1.78; 95% CI = 0.98 to 3.26). CONCLUSIONS Inpatients with heart failure who had mean serum potassium levels of <4.0 showed similar outcomes to those with mean serum potassium values of 4.0-4.5. Compared with mean serum potassium level of <4.0, mean serum levels of >4.5 may be associated with increased risk of poor outcomes.
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Affiliation(s)
- Kevin F O’Sullivan
- Institute for Healthcare Delivery and Population Science, University of Massachusetts Medical School-Baystate, Springfield, Massachusetts
- University of Massachusetts Medical School, Worcester, Massachusetts
| | - Mohammad Amin Kashef
- Department of Medicine, University of Massachusetts Medical School-Bay-state, Springfield, Massachusetts
- Division of Cardiology, Baystate Medical Center, Springfield, Massachusetts
- Epidemiology and Biostatistics Research Core, Office of Research, University of Massachusetts Medical School-Baystate, Springfield, Massachusetts
| | - Alexander B Knee
- Department of Medicine, University of Massachusetts Medical School-Bay-state, Springfield, Massachusetts
- Epidemiology and Biostatistics Research Core, Office of Research, University of Massachusetts Medical School-Baystate, Springfield, Massachusetts
| | - Alexander S Roseman
- Department of Medicine, University of Massachusetts Medical School-Bay-state, Springfield, Massachusetts
| | - Penelope S Pekow
- Institute for Healthcare Delivery and Population Science, University of Massachusetts Medical School-Baystate, Springfield, Massachusetts
- University of Massachusetts-Amherst, Amherst, Massachusetts
| | - Mihaela S Stefan
- Institute for Healthcare Delivery and Population Science, University of Massachusetts Medical School-Baystate, Springfield, Massachusetts
- Department of Medicine, University of Massachusetts Medical School-Bay-state, Springfield, Massachusetts
| | - Meng-Shiou Shieh
- Institute for Healthcare Delivery and Population Science, University of Massachusetts Medical School-Baystate, Springfield, Massachusetts
| | - Quinn R Pack
- Institute for Healthcare Delivery and Population Science, University of Massachusetts Medical School-Baystate, Springfield, Massachusetts
- Division of Cardiology, Baystate Medical Center, Springfield, Massachusetts
| | - Peter K Lindenauer
- Institute for Healthcare Delivery and Population Science, University of Massachusetts Medical School-Baystate, Springfield, Massachusetts
- Department of Medicine, University of Massachusetts Medical School-Bay-state, Springfield, Massachusetts
| | - Tara Lagu
- Institute for Healthcare Delivery and Population Science, University of Massachusetts Medical School-Baystate, Springfield, Massachusetts
- Department of Medicine, University of Massachusetts Medical School-Bay-state, Springfield, Massachusetts
- Corresponding Author: Tara Lagu, MD, MPH; E-mail: ; Telephone: 413-505-9173
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