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Lee Y, Yoo KD, Baek SH, Kim YG, Kim HJ, Ryu JY, Paek JH, Suh SH, Oh SW, Lee J, Jhee JH, Suh JS, Yang EM, Park YH, Kim YL, Choi M, Oh KH, Kim S. Korean Society of Nephrology 2022 recommendations on controversial issues in diagnosis and management of hyponatremia. Korean J Intern Med 2022; 37:1120-1137. [PMID: 36245341 PMCID: PMC9666265 DOI: 10.3904/kjim.2022.174] [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: 05/11/2022] [Accepted: 07/06/2022] [Indexed: 11/27/2022] Open
Abstract
The Korean Society for Electrolyte and Blood Pressure Research, in collaboration with the Korean Society of Nephrology, has published a clinical practice guideline (CPG) document for hyponatremia treatment. The document is based on an extensive evidence-based review of the diagnosis, evaluation, and treatment of hyponatremia with the multidisciplinary participation of representative experts in hyponatremia with methodologist support for guideline development. This CPG consists of 12 recommendations (two for diagnosis, eight for treatment, and two for special situations) based on eight detailed topics and nine key questions. Each recommendation begins with statements graded by the strength of the recommendations and the quality of the evidence. Each statement is followed by rationale supporting the recommendations. The committee issued conditional recommendations in favor of rapid intermittent bolus administration of hypertonic saline in severe hyponatremia, the use of vasopressin receptor antagonists in heart failure with hypervolemic hyponatremia, and syndrome of inappropriate antidiuresis with moderate to severe hyponatremia, the individualization of desmopressin use, and strong recommendation on the administration of isotonic fluids as maintenance fluid therapy in hospitalized pediatric patients. We hope that this CPG will provide useful recommendations in practice, with the aim of providing clinical support for shared decision-making to improve patient outcomes.
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Affiliation(s)
- Yeonhee Lee
- Division of Nephrology, Department of Internal Medicine, Uijeongbu Eulji Medical Center, Eulji University, Uijeongbu,
Korea
| | - Kyung Don Yoo
- Division of Nephrology, Department of Internal Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan,
Korea
| | - Seon Ha Baek
- Department of Internal Medicine, Hallym University Dongtan Sacred Heart Hospital, Hwaseong,
Korea
| | - Yang Gyun Kim
- Division of Nephrology, Department of Internal Medicine, College of Medicine, Kyung Hee University, Seoul,
Korea
| | - Hyo Jin Kim
- Division of Nephrology, Department of Internal Medicine, Pusan National University Hospital, Busan,
Korea
| | - Ji Young Ryu
- Department of Internal Medicine, Hallym University Dongtan Sacred Heart Hospital, Hwaseong,
Korea
| | - Jin Hyuk Paek
- Department of Internal Medicine, Keimyung University School of Medicine, Daegu,
Korea
| | - Sang Heon Suh
- Division of Nephrology, Department of Internal Medicine, Chonnam National University Hospital, Gwangju,
Korea
| | - Se Won Oh
- Division of Nephrology, Department of Internal Medicine, Korea University Anam Hospital, Seoul,
Korea
| | - Jeonghwan Lee
- Department of Internal Medicine, Seoul Metropolitan Government Seoul National University Boramae Medical Center, Seoul,
Korea
| | - Jong Hyun Jhee
- Division of Nephrology, Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul,
Korea
| | - Jin-Soon Suh
- Division of Pediatric Nephrology, Department of Pediatrics, Bucheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Bucheon,
Korea
| | - Eun Mi Yang
- Division of Pediatric Nephrology, Department of Pediatrics, Chonnam National University Hospital, Gwangju,
Korea
| | - Young Ho Park
- Department of Neurology, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam,
Korea
| | - Yae Lim Kim
- Department of Biostatistics, Korea University College of Medicine, Seoul,
Korea
| | - Miyoung Choi
- Division for Healthcare Technology Assessment Research, National Evidence-Based Healthcare Collaborating Agency (NECA), Seoul,
Korea
| | - Kook-Hwan Oh
- Division of Nephrology, Department of Internal Medicine, Seoul National University Hospital, Seoul,
Korea
| | - Sejoong Kim
- Division of Nephrology, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam,
Korea
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Lee Y, Yoo KD, Baek SH, Kim YG, Kim HJ, Ryu JY, Paek JH, Suh SH, Oh SW, Lee J, Jhee JH, Suh JS, Yang EM, Park YH, Kim YL, Choi M, Oh KH, Kim S. Korean Society of Nephrology 2022 Recommendations on controversial issues in diagnosis and management of hyponatremia. Kidney Res Clin Pract 2022; 41:393-411. [PMID: 35919925 PMCID: PMC9346392 DOI: 10.23876/j.krcp.33.555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 06/23/2022] [Indexed: 11/28/2022] Open
Abstract
The Korean Society for Electrolyte and Blood Pressure Research, in collaboration with the Korean Society of Nephrology, has published a clinical practice guideline (CPG) document for hyponatremia treatment. The document is based on an extensive evidence-based review of the diagnosis, evaluation, and treatment of hyponatremia with the multidisciplinary participation of representative experts in hyponatremia with methodologist support for guideline development. This CPG consists of 12 recommendations (two for diagnosis, eight for treatment, and two for special situations) based on eight detailed topics and nine key questions. Each recommendation begins with statements graded by the strength of the recommendations and the quality of the evidence. Each statement is followed by rationale supporting the recommendations. The committee issued conditional recommendations in favor of rapid intermittent bolus administration of hypertonic saline in severe hyponatremia, the use of vasopressin receptor antagonists in heart failure with hypervolemic hyponatremia, and syndrome of inappropriate antidiuresis with moderate to severe hyponatremia, the individualization of desmopressin use, and strong recommendation on the administration of isotonic fluids as maintenance fluid therapy in hospitalized pediatric patients. We hope that this CPG will provide useful recommendations in practice, with the aim of providing clinical support for shared decision-making to improve patient outcomes.
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Affiliation(s)
- Yeonhee Lee
- Division of Nephrology, Department of Internal Medicine, Uijeongbu Eulji Medical Center, Eulji University, Uijeongbu, Republic of Korea
| | - Kyung Don Yoo
- Division of Nephrology, Department of Internal Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Republic of Korea
| | - Seon Ha Baek
- Department of Internal Medicine, Hallym University Dongtan Sacred Heart Hospital, Hwaseong, Republic of Korea
| | - Yang Gyun Kim
- Division of Nephrology, Department of Internal Medicine, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Hyo Jin Kim
- Division of Nephrology, Department of Internal Medicine, Pusan National University Hospital, Busan, Republic of Korea
| | - Ji Young Ryu
- Department of Internal Medicine, Hallym University Dongtan Sacred Heart Hospital, Hwaseong, Republic of Korea
| | - Jin Hyuk Paek
- Department of Internal Medicine, Keimyung University School of Medicine, Daegu, Republic of Korea
| | - Sang Heon Suh
- Division of Nephrology, Department of Internal Medicine, Chonnam National University Hospital, Gwangju, Republic of Korea
| | - Se Won Oh
- Division of Nephrology, Department of Internal Medicine, Korea University Anam Hospital, Seoul, Republic of Korea
| | - Jeonghwan Lee
- Department of Internal Medicine, SMG-SNU Boramae Medical Center, Seoul, Republic of Korea
| | - Jong Hyun Jhee
- Division of Nephrology, Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jin-Soon Suh
- Division of Pediatric Nephrology, Department of Pediatrics, Bucheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Eun Mi Yang
- Division of Pediatric Nephrology, Department of Pediatrics, Chonnam National University Hospital, Gwangju, Republic of Korea
| | - Young Ho Park
- Department of Neurology, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Republic of Korea
| | - Yae Lim Kim
- Department of Biostatistics, Korea University College of Medicine, Seoul, Republic of Korea
| | - Miyoung Choi
- Division for Healthcare Technology Assessment Research, National Evidence-Based Healthcare Collaborating Agency, Seoul, Republic of Korea
| | - Kook-Hwan Oh
- Division of Nephrology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Sejoong Kim
- Division of Nephrology, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
- Correspondence: Sejoong Kim Department of Internal Medicine, Seoul National University Bundang Hospital, 82 Gumi-ro, 173beon-gil, Bundang-gu, Seongnam 13620, Republic of Korea. E-mail:
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Lee Y, Yoo KD, Baek SH, Kim YG, Kim HJ, Ryu JY, Paek JH, Suh SH, Oh SW, Lee J, Jhee JH, Suh JS, Yang EM, Park YH, Kim YL, Choi M, Oh KH, Kim S. Korean Society of Nephrology 2022 Recommendations on controversial issues in diagnosis and management of hyponatremia. Kidney Res Clin Pract 2022. [PMCID: PMC9351400 DOI: 10.23876/j.krcp.33.666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Affiliation(s)
- Yeonhee Lee
- Division of Nephrology, Department of Internal Medicine, Uijeongbu Eulji Medical Center, Eulji University, Uijeongbu, Republic of Korea
| | - Kyung Don Yoo
- Division of Nephrology, Department of Internal Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Republic of Korea
| | - Seon Ha Baek
- Department of Internal Medicine, Hallym University Dongtan Sacred Heart Hospital, Hwaseong, Republic of Korea
| | - Yang Gyun Kim
- Division of Nephrology, Department of Internal Medicine, College of Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Hyo Jin Kim
- Division of Nephrology, Department of Internal Medicine, Pusan National University Hospital, Busan, Republic of Korea
| | - Ji Young Ryu
- Department of Internal Medicine, Hallym University Dongtan Sacred Heart Hospital, Hwaseong, Republic of Korea
| | - Jin Hyuk Paek
- Department of Internal Medicine, Keimyung University School of Medicine, Daegu, Republic of Korea
| | - Sang Heon Suh
- Division of Nephrology, Department of Internal Medicine, Chonnam National University Hospital, Gwangju, Republic of Korea
| | - Se Won Oh
- Division of Nephrology, Department of Internal Medicine, Korea University Anam Hospital, Seoul, Republic of Korea
| | - Jeonghwan Lee
- Department of Internal Medicine, SMG-SNU Boramae Medical Center, Seoul, Republic of Korea
| | - Jong Hyun Jhee
- Division of Nephrology, Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jin-Soon Suh
- Division of Pediatric Nephrology, Department of Pediatrics, Bucheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Eun Mi Yang
- Division of Pediatric Nephrology, Department of Pediatrics, Chonnam National University Hospital, Gwangju, Republic of Korea
| | - Young Ho Park
- Department of Neurology, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Republic of Korea
| | - Yae Lim Kim
- Department of Biostatistics, Korea University College of Medicine, Seoul, Republic of Korea
| | - Miyoung Choi
- Division for Healthcare Technology Assessment Research, National Evidence-Based Healthcare Collaborating Agency, Seoul, Republic of Korea
| | - Kook-Hwan Oh
- Division of Nephrology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Sejoong Kim
- Division of Nephrology, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
- Correspondence: Sejoong Kim Department of Internal Medicine, Seoul National University Bundang Hospital, 82 Gumi-ro, 173beon-gil, Bundang-gu, Seongnam 13620, Republic of Korea. E-mail:
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Hofmann W, Flägel K, Gosch M. [Hyponatremia in older persons (II)-A clear treatment : How to detect tricks and avoid pitfalls]. Z Gerontol Geriatr 2020; 53:463-472. [PMID: 32691149 DOI: 10.1007/s00391-020-01758-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 06/17/2020] [Indexed: 10/23/2022]
Abstract
The aim of this continuing medical education (CME) article (part II) is to describe the particular challenge of the treatment of hyponatremia, which occurs in older patients. This part II follows on from part I concerning the diagnosis in the previous volume. A staged approach is necessary. The best treatment is always when the underlying cause can be eliminated. Hyponatremia in older patients is mainly induced by the syndrome of inappropriate antidiuretic hormone (SIADH) secretion. The authors use a concept for the first, second and third line strategy: (1) changing or discontinuation of drugs, (2) fluid restriction and (3) tolvaptan medication. The algorithm for treatment should be simple. It also contains recommendations for the correction rate. Caution is also needed in order to avoid the occurrence of an osmotic demyelination syndrome (ODS).
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Affiliation(s)
- Werner Hofmann
- Institut für Allgemeinmedizin, Universitätsklinikum Schleswig-Holstein (UKSH), Campus Lübeck, Ratzeburger Allee 160, 23538, Lübeck, Deutschland. .,Geriatrisches Zentrum Neumünster & Bad Bramstedt, Neumünster, Deutschland.
| | - Kristina Flägel
- Institut für Allgemeinmedizin, Universitätsklinikum Schleswig-Holstein (UKSH), Campus Lübeck, Ratzeburger Allee 160, 23538, Lübeck, Deutschland
| | - Markus Gosch
- Universitätsklinik für Geriatrie, Medizinische Klinik 2 - Schwerpunkt Geriatrie, Klinikum Nürnberg, Paracelsus Medizinische Privatuniversität, Campus Nürnberg, Nürnberg, Deutschland
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Tsujimoto Y, Tsutsumi Y, Ohnishi T, Kimachi M, Yamamoto Y, Fukuhara S. Low Predialysis Plasma Calculated Osmolality Is Associated with Higher All-Cause Mortality: The Japanese Dialysis Outcomes and Practice Patterns Study (J-DOPPS). Nephron Clin Pract 2020; 144:138-146. [PMID: 32018255 DOI: 10.1159/000504194] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 10/16/2019] [Indexed: 11/19/2022] Open
Abstract
INTRODUCTION Patients undergoing hemodialysis (HD) have higher predialysis plasma osmolality. Several studies have suggested lower osmolality to be associated with worse outcomes in patients not undergoing HD. However, no studies have examined the association between osmolality and mortality among patients undergoing HD. OBJECTIVE We aimed to examine the association between predialysis plasma calculated osmolality and all-cause mortality. METHODS This was a prospective cohort study of 1,240 patients undergoing HD participating in the Japanese Dialysis Outcomes and Practice Patterns Study phase 5 (2012-2015). The exposure was predialysis plasma osmolality, calculated as 2 × (serum sodium concentration [mmol/L]) + (serum urea nitrogen [mg/dL])/2.8 + (serum glucose [mg/dL])/18. The primary outcome was all-cause mortality. The secondary outcome was the change in systolic blood pressure (SBP) during HD. We used a marginal structural model with stabilized weights to estimate the association between calculated osmolality and all-cause mortality in the presence of time-varying confounders affected by prior exposure. RESULTS Mean baseline plasma calculated osmolality was 306.8 ± 8.6 mOsm/kg. Low predialysis calculated osmolality was associated with higher mortality (adjusted hazard ratio 1.52, 95% confidence interval [CI]: 1.30-1.78 by each 10 mOsm/L lower osmolality). The association was consistent across clinically relevant subgroups. Predialysis osmolality was significantly associated with intradialytic SBP change (mean difference 0.96 [95% CI: 0.05-1.88] mm Hg per each 10 mOsm/L lower osmolality). CONCLUSIONS Low predialysis calculated osmolality was an independent risk factor of all-cause mortality.
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Affiliation(s)
- Yasushi Tsujimoto
- Department of Healthcare Epidemiology, School of Public Health in the Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Department of Nephrology and Dialysis, Kyoritsu Hospital, Hyogo, Japan
| | - Yusuke Tsutsumi
- Department of Healthcare Epidemiology, School of Public Health in the Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Department of Emergency Medicine, National Hospital Organization Mito Medical Center, Ibaraki, Japan
| | - Tsuyoshi Ohnishi
- Department of Healthcare Epidemiology, School of Public Health in the Graduate School of Medicine, Kyoto University, Kyoto, Japan.,Center for Innovative Research for Communities and Clinical Excellence, Fukushima Medical University, Fukushima, Japan
| | - Miho Kimachi
- Department of Healthcare Epidemiology, School of Public Health in the Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yosuke Yamamoto
- Department of Healthcare Epidemiology, School of Public Health in the Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Shunichi Fukuhara
- Department of Healthcare Epidemiology, School of Public Health in the Graduate School of Medicine, Kyoto University, Kyoto, Japan,
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Abstract
Neurohypophysial dysfunction is common in the first days following traumatic brain injury (TBI), manifesting as dysnatremia in approximately 1 in 4 patients. Both hyponatremia and hypernatremia can impair recovery from TBI and in the case of hypernatremia, there is a significant association with excess mortality. Hyponatremia secondary to syndrome of inappropriate antidiuretic hormone secretion (SIAD) is the commonest electrolyte disturbance following TBI. Acute adrenocorticotropic hormone (ACTH)/cortisol deficiency occurs in 10-15% of TBI patients and can present with a biochemical picture identical to SIAD. For this reason, exclusion of glucocorticoid deficiency is of particular importance in post-TBI SIAD. Cerebral salt wasting is a rare cause of hyponatremia following TBI. Hyponatremia predisposes to seizures, reduced consciousness, and prolonged hospital stay. Diabetes insipidus (DI) occurs in 20% of cases following TBI; where diminished consciousness is present, appropriate fluid replacement of renal water losses is occasionally inadequate, leading to hypernatremia. Hypernatremia is strongly predictive of mortality following TBI. Most cases of DI are transient, but persistent DI is also predictive of mortality, irrespective of plasma sodium concentration. Persistent DI may herald rising intracranial pressure due to coning. True adipsic DI is rare following TBI, but patients are vulnerable to severe hypernatremic dehydration, exacerbation of neurologic deficits and hypothalamic complications, therefore clinicians should be aware of this possible variant of DI.
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Affiliation(s)
- Roxana Maria Tudor
- Academic Department of Endocrinology, Beaumont Hospital/RCSI Medical School, Dublin, Ireland.
| | - Christopher J Thompson
- Academic Department of Endocrinology, Beaumont Hospital/RCSI Medical School, Dublin, Ireland
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Nagler EV, Haller MC, Van Biesen W, Vanholder R, Craig JC, Webster AC. Interventions for chronic non-hypovolaemic hypotonic hyponatraemia. Cochrane Database Syst Rev 2018; 6:CD010965. [PMID: 29953167 PMCID: PMC6513194 DOI: 10.1002/14651858.cd010965.pub2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND Chronic (present > 48 hours) non-hypovolaemic hyponatraemia occurs frequently, can be caused by various conditions, and is associated with shorter survival and longer hospital stays. Many treatments, such as fluid restriction or vasopressin receptor antagonists can be used to improve the hyponatraemia, but whether that translates into improved patient-important outcomes is less certain. OBJECTIVES This review aimed to 1) look at the benefits and harms of interventions for chronic non-hypovolaemic hypotonic hyponatraemia when compared with placebo, no treatment or head-to-head; and 2) determine if benefits and harms vary in absolute or relative terms dependent on the specific compound within a drug class, on the dosage used, or the underlying disorder causing the hyponatraemia. SEARCH METHODS We searched the Cochrane Kidney and Transplant Register of Studies up to 1 December 2017 through contact with the Information Specialist using search terms relevant to this review. Studies in the Register are identified through searches of CENTRAL, MEDLINE, and EMBASE, conference proceedings, the International Clinical Trials Register (ICTRP) Search Portal and ClinicalTrials.gov. We also screened the reference lists of potentially relevant studies, contacted authors, and screened the websites of regulatory agencies. SELECTION CRITERIA We included randomised controlled trials (RCTs) and quasi-RCTs that compared the effects of any intervention with placebo, no treatment, standard care, or any other intervention in patients with chronic non-hypovolaemic hypotonic hyponatraemia. We also included subgroups with hyponatraemia from studies with broader inclusion criteria (e.g. people with chronic heart failure or people with cirrhosis with or without hyponatraemia), provided we could obtain outcomes for participants with hyponatraemia from the report or the study authors. DATA COLLECTION AND ANALYSIS Two authors independently extracted data and assessed risk of bias. We expressed treatment effects as mean difference (MD) for continuous outcomes (health-related quality of life, length of hospital stay, change from baseline in serum sodium concentration, cognitive function), and risk ratio (RR) for dichotomous outcomes (death, response and rapid increase in serum sodium concentration, hypernatraemia, polyuria, hypotension, acute kidney injury, liver function abnormalities) together with 95% confidence intervals (CI). MAIN RESULTS We identified 35 studies, enrolling 3429 participants. Twenty-eight studies (3189 participants) compared a vasopressin receptor antagonist versus placebo, usual care, no treatment, or fluid restriction. In adults with chronic, non-hypovolaemic hypotonic hyponatraemia, vasopressin receptor antagonists have uncertain effects on death at six months (15 studies, 2330 participants: RR 1.11, 95% CI 0.92 to 1.33) due to risk of selective reporting and serious imprecision; and on health-related quality of life because results are at serious risk of performance, selective reporting and attrition bias, and suffer from indirectness related to the validity of the Short Form Health Survey (SF-12) in the setting of hyponatraemia. Vasopressin receptor antagonists may reduce hospital stay (low certainty evidence due to risk of performance bias and imprecision) (3 studies, 610 participants: MD -1.63 days, 95% CI -2.96 to -0.30), and may make little or no difference to cognitive function (low certainty evidence due to indirectness and imprecision). Vasopressin receptor antagonists probably increase the intermediate outcome of serum sodium concentration (21 studies, 2641 participants: MD 4.17 mmol/L, 95% CI 3.18 to 5.16), corresponding to two and a half as many people having a 5 to 6 mmol/L increase in sodium concentration compared with placebo at 4 to 180 days (moderate certainty evidence due to risk of attrition bias) (18 studies, 2014 participants: RR 2.49, 95% CI 1.95 to 3.18). But they probably also increase the risk of rapid serum sodium correction - most commonly defined as > 12 mmol/L/d (moderate certainty evidence due to indirectness) (14 studies, 2058 participants: RR 1.67, 95% CI 1.16 to 2.40) and commonly cause side-effects such as thirst (13 studies, 1666 participants: OR 2.77, 95% CI 1.80 to 4.27) and polyuria (6 studies, 1272 participants): RR 4.69, 95% CI 1.59 to 13.85) (high certainty evidence). The potential for liver toxicity remains uncertain due to large imprecision. Effects were generally consistent across the different agents, suggesting class effect.Data for other interventions such as fluid restriction, urea, mannitol, loop diuretics, corticosteroids, demeclocycline, lithium and phenytoin were largely absent. AUTHORS' CONCLUSIONS In people with chronic hyponatraemia, vasopressin receptor antagonists modestly raise serum sodium concentration at the cost of a 3% increased risk of it being rapid. To date there is very low certainty evidence for patient-important outcomes; the effects on mortality and health-related quality of life are unclear and do not rule out appreciable benefit or harm; there does not appear to be an important effect on cognitive function, but hospital stay may be slightly shorter, although available data are limited. Treatment decisions must weigh the value of an increase in serum sodium concentration against its short-term risks and unknown effects on patient-important outcomes. Evidence for other treatments is largely absent.Further studies assessing standard treatments such as fluid restriction or urea against placebo and one-another would inform practice and are warranted. Given the limited available evidence for patient-important outcomes, any study should include these outcomes in a standardised manner.
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Affiliation(s)
- Evi V Nagler
- Ghent University HospitalRenal Division, Sector Metabolic and Cardiovascular ConditionsDe Pintelaan 185GhentBelgium9000
- Guidance Body of the European Renal Association – European Dialysis and Transplant Association (ERA‐EDTA)European Renal Best Practice (ERBP)LondonUK
| | - Maria C Haller
- Guidance Body of the European Renal Association – European Dialysis and Transplant Association (ERA‐EDTA)European Renal Best Practice (ERBP)LondonUK
- Medical University ViennaSection for Clinical Biometrics, Center for Medical Statistics, Informatics and Intelligent SystemsSpitalgasse 23ViennaAustriaA‐1090
- Ordensklinikum Linz ElisabethinenDepartment of NephrologyFadingerstraße 1LinzAustria4020
| | - Wim Van Biesen
- Ghent University HospitalRenal Division, Sector Metabolic and Cardiovascular ConditionsDe Pintelaan 185GhentBelgium9000
- Guidance Body of the European Renal Association – European Dialysis and Transplant Association (ERA‐EDTA)European Renal Best Practice (ERBP)LondonUK
| | - Raymond Vanholder
- Ghent University HospitalRenal Division, Sector Metabolic and Cardiovascular ConditionsDe Pintelaan 185GhentBelgium9000
- Guidance Body of the European Renal Association – European Dialysis and Transplant Association (ERA‐EDTA)European Renal Best Practice (ERBP)LondonUK
| | - Jonathan C Craig
- The Children's Hospital at WestmeadCochrane Kidney and Transplant, Centre for Kidney ResearchWestmeadNSWAustralia2145
- The University of SydneySydney School of Public HealthEdward Ford Building A27SydneyNSWAustralia2006
- Flinders UniversityCollege of Medicine and Public HealthAdelaideSAAustralia5001
| | - Angela C Webster
- The Children's Hospital at WestmeadCochrane Kidney and Transplant, Centre for Kidney ResearchWestmeadNSWAustralia2145
- The University of SydneySydney School of Public HealthEdward Ford Building A27SydneyNSWAustralia2006
- The University of Sydney at WestmeadCentre for Transplant and Renal Research, Westmead Millennium InstituteWestmeadNSWAustralia2145
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