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Bossola M, Mariani I, Sacco M, Antocicco M, Pepe G, Di Stasio E. Interdialytic weight gain and low dialysate sodium concentration in patients on chronic hemodialysis: a systematic review and meta-analysis. Int Urol Nephrol 2024; 56:2313-2323. [PMID: 38446246 PMCID: PMC11189964 DOI: 10.1007/s11255-024-03972-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 02/02/2024] [Indexed: 03/07/2024]
Abstract
PURPOSE The present systematic review and meta-analysis aimed at evaluating the effect of low dialysate sodium concentration on interdialytic weight gain (IDWG) in chronic hemodialysis patients. METHODS Studies were eligible for inclusion if they were English language papers published in a peer-reviewed journal and met the following inclusion criteria: (1) studies in adult patients (over 18 years of age), (2) included patients on chronic hemodialysis since at least 6 months; (3) compared standard (138-140 mmol/l) or high (> 140 mmol/l) dialysate sodium concentration with low (< 138 mmol/l) dialysate sodium concentration; (4) Included one outcome of interest: interdialytic weight gain. Medline, PubMed, Web of Science, and the Cochrane Library were searched for the quality of reporting for each study was performed using the Quality Assessment Tool of Controlled Intervention Studies of the National Institutes of Health. The quality of reporting of each cross-over study was performed using the Revised Cochrane Risk of Bias (RoB) tool for cross-over trials as proposed by Ding et al. RESULTS: Nineteen studies (710 patients) were included in the analysis: 15 were cross-over and 4 parallel randomized controlled studies. In cross-over studies, pooled analysis revealed that dialysate sodium concentration reduced IDWG with a pooled MD of - 0.40 kg (95% CI - 0.50 to - 0.30; p < 0.001). The systematic review of four parallel, randomized, studies revealed that the use of a low dialysate sodium concentration was associated with a significant reduction of the IDWG in two studies, sustained and almost significant (p = 0.05) reduction in one study, and not significant reduction in one study. CONCLUSION Low dialysate sodium concentration reduces the IDWG in prevalent patients on chronic hemodialysis.
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Affiliation(s)
- Maurizio Bossola
- Servizio Emodialisi, Dipartimento di Scienze Mediche e Chirurgiche, Università Cattolica del Sacro Cuore, Rome, Italy.
- Policlinico Universitario Fondazione Agostino Gemelli IRCCS, Rome, Italy.
| | - Ilaria Mariani
- Servizio Emodialisi, Dipartimento di Scienze Mediche e Chirurgiche, Università Cattolica del Sacro Cuore, Rome, Italy
- Policlinico Universitario Fondazione Agostino Gemelli IRCCS, Rome, Italy
| | - Monica Sacco
- Policlinico Universitario Fondazione Agostino Gemelli IRCCS, Rome, Italy
- Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Manuela Antocicco
- Policlinico Universitario Fondazione Agostino Gemelli IRCCS, Rome, Italy
- Dipartimento Scienze dell'Invecchiamento, Neurologiche, Ortopediche e della Testa-Collo, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Gilda Pepe
- Policlinico Universitario Fondazione Agostino Gemelli IRCCS, Rome, Italy
- Dipartimento di Scienze Mediche e Chirurgiche, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Enrico Di Stasio
- Policlinico Universitario Fondazione Agostino Gemelli IRCCS, Rome, Italy
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Rome, Italy
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Miskulin DC, Tighiouart H, Hsu CM, Weiner DE. Dialysate Sodium Lowering in Maintenance Hemodialysis: A Randomized Clinical Trial. Clin J Am Soc Nephrol 2024; 19:712-722. [PMID: 38349776 PMCID: PMC11168813 DOI: 10.2215/cjn.0000000000000431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Accepted: 02/06/2024] [Indexed: 02/15/2024]
Abstract
Key Points Treatment to dialysate sodium 135 versus 138 mEq/L led to no difference in the rate of change in intradialytic hypotension, but symptoms were greater in the low arm. Use of a dialysate sodium concentration of 135 versus 138 mEq/L led to a small reduction in interdialytic weight gain, but had no effect on predialysis BP. Raising dialysate sodium concentration from 135 to 140 mEq/L reduced intradialytic hypotension and was associated with a marked increase in BP. Background Lowering dialysate sodium concentration may improve volume and BP control in patients on maintenance hemodialysis. Methods We randomized 42 participants 2:1 to dialysate sodium 135 versus 138 mEq/L for 6 months. This was followed by a 12-week extension phase in which sodium was increased to 140 mEq/L in low-arm participants. The primary outcome was intradialytic hypotension (IDH). Secondary outcomes included dialysis disequilibrium symptoms, emergency room visits/hospitalizations, interdialytic weight gain, and BP. Longitudinal changes across arms were analyzed using linear mixed regression. Results Treatment to dialysate sodium 135 versus 138 mEq/L was not associated with a difference in a change in the rate of IDH (mean change [95% confidence interval], 2.8 [0.8 to 9.5] versus 2.7 [1.1 to 6.2] events per 100 treatments per month); ratio of slopes 0.96 (0.26 to 3.61) or emergency room visits/hospitalizations (7.3 [2.3 to 12.4] versus 6.7 [2.9 to 10.6] events per 100 patient-months); difference 0.6 (−6.9 to 5.8). Symptom score was unchanged in the 135 mEq/L arm (0.7 [−1.4 to 2.7]) and decreased in the 138 mEq/L arm ([5.0 to 8.5 to 2.0]; difference 6.0 [2.1 to 9.8]). Interdialytic weight gain declined in the 135 mEq/L arm and was unchanged in the 138 mEq/L arm (−0.3 [−0.5 to 0.0] versus 0.3 [0.0 to 0.6] kg over 6 months; difference [−0.6 (−0.1 to −1.0)] kg). In the extension phase, raising dialysate sodium concentration from 135 to 140 mEq/L was associated with an increase in interdialytic weight gain (0.2 [0.1 to 0.3] kg) and predialysis BP (7.0 [4.8 to 9.2]/3.9 [2.6 to 5.1] mm Hg) and a reduction in IDH (odds ratio, 0.66 [0.45 to 0.97]). Conclusions Use of a dialysate sodium concentration of 135 as compared with 138 mEq/L was associated with a small reduction in interdialytic weight gain without affecting IDH or predialysis BP, but with an increase in symptoms. Raising dialysate sodium concentration from 135 to 140 mEq/L was associated with a reduction in IDH, small increase in interdialytic weight gain, and marked increase in predialysis BP. Clinical Trial registration number NCT03144817 .
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Affiliation(s)
- Dana C. Miskulin
- Division of Nephrology, Tufts Medical Center, Boston, Massachusetts
| | - Hocine Tighiouart
- Institute for Clinical Research and Health Policy Studies, Tufts Medical Center, Boston, Massachusetts
- Tufts Clinical and Translational Science Institute, Tufts University, Boston, Massachusetts
| | - Caroline M. Hsu
- Division of Nephrology, Tufts Medical Center, Boston, Massachusetts
| | - Daniel E. Weiner
- Division of Nephrology, Tufts Medical Center, Boston, Massachusetts
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Elsayed E, Farag YM, Ravi KS, Chertow GM, Mc Causland FR. Association of Changes in Vector Length with Changes in Left Ventricular Mass among Patients on Maintenance Hemodialysis: A Secondary Analysis of the Frequent Hemodialysis Network Daily Trial. KIDNEY360 2024; 5:870-876. [PMID: 38656312 PMCID: PMC11219120 DOI: 10.34067/kid.0000000000000443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Accepted: 04/09/2024] [Indexed: 04/26/2024]
Abstract
Key Points Bioimpedance has been proposed as an objective method to assess volume status among patients receiving maintenance hemodialysis. The Frequent Hemodialysis Network Daily Trial measured bioimpedance parameters of volume status (vector length) and cardiac magnetic resonance imaging at baseline and 12 months. We observed that changes in vector length were inversely associated with changes in left ventricular mass and volume over a 12-month period. Background Hypervolemia is thought to be a major contributor to higher left ventricular mass (LVM), a potent predictor for cardiovascular mortality among patients on maintenance hemodialysis. We hypothesized that a decrease in vector length (a bioimpedance proxy of hypervolemia) would be associated with an increase in LVM. Methods Using data from the Frequent Hemodialysis Network Daily Trial (n =160), we used linear regression to assess the association of changes in vector length from baseline to month 12 with changes in magnetic resonance imaging measures of LVM and other cardiac parameters. We adjusted models for the randomized group, baseline vector length, age, sex, race, body mass index, vascular access, dialysis vintage, history of hypertension, heart failure, and diabetes, residual kidney function, predialysis systolic BP, ultrafiltration rate, serum-dialysate sodium gradient, hemoglobin, phosphate, angiotensin-converting enzyme inhibitor or angiotensin receptor blocker use, erythropoietin dose, and equilibrated Kt/V. Results The mean age of the patients was 50±13 years; 35% were female. In the fully adjusted models, a decline in vector length (per 50 Ω/m; i.e ., increase in volume) was associated with a 6.8 g (95% confidence interval [CI], −0.1 to 13.7) and 2.6 g/m2 (95% CI, −1.2 to 6.3) increase in LVM and LVM index, respectively, and an increase of 15.0 ml (95% CI, 7.5 to 22.4), 7.3 ml (95% CI, 3.0 to 12.7), 7.8 ml (95% CI, 3.0 to 12.7), and −0.9% (95% CI, −3.1 to 1.3) in left ventricular end-diastolic volume, left ventricular end-systolic volume, left ventricular stroke volume, and left ventricular ejection fraction, respectively. The lowest tertile of change in vector length (i.e ., greater increase in volume) was associated with greater increases in left ventricular end-diastolic volume and left ventricular stroke volume, versus the highest tertile. There was no evidence of heterogeneity by randomized group. Conclusions Change in vector length, a bioimpedance-derived proxy of volume status, was inversely associated with indices of LVM and volume measured by cardiac magnetic resonance imaging in patients randomized to conventional or frequent hemodialysis over 12 months.
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Affiliation(s)
- Enass Elsayed
- Brigham and Women's Hospital, Boston, Massachusetts
- Harvard Medical School, Boston, Massachusetts
| | - Youssef M.K. Farag
- Bayer US, LLC, Pittsburgh, Pennsylvania
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
| | - Katherine Scovner Ravi
- Brigham and Women's Hospital, Boston, Massachusetts
- Harvard Medical School, Boston, Massachusetts
| | - Glenn M. Chertow
- Departments of Medicine, Epidemiology and Population Health, and Health Policy, Stanford University School of Medicine, Stanford, California
| | - Finnian R. Mc Causland
- Brigham and Women's Hospital, Boston, Massachusetts
- Harvard Medical School, Boston, Massachusetts
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Pinter J, Smyth B, Stuard S, Jardine M, Wanner C, Rossignol P, Wheeler DC, Marshall MR, Canaud B, Genser B. Effect of Dialysate and Plasma Sodium on Mortality in a Global Historical Hemodialysis Cohort. J Am Soc Nephrol 2024; 35:167-176. [PMID: 37967469 PMCID: PMC10843362 DOI: 10.1681/asn.0000000000000262] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 10/12/2023] [Indexed: 11/17/2023] Open
Abstract
SIGNIFICANCE STATEMENT This large observational cohort study aimed to investigate the relationship between dialysate and plasma sodium concentrations and mortality among maintenance hemodialysis patients. Using a large multinational cohort of 68,196 patients, we found that lower dialysate sodium concentrations (≤138 mmol/L) were independently associated with higher mortality compared with higher dialysate sodium concentrations (>138 mmol/L). The risk of death was lower among patients exposed to higher dialysate sodium concentrations, regardless of plasma sodium levels. These results challenge the prevailing assumption that lower dialysate sodium concentrations improve outcomes in hemodialysis patients. The study confirms that until robust evidence from randomized trials that are underway is available, nephrologists should remain cautious in reconsideration of dialysate sodium prescribing practices to optimize cardiovascular outcomes and reduce mortality in this population. BACKGROUND Excess mortality in hemodialysis (HD) patients is largely due to cardiovascular disease and is associated with abnormal fluid status and plasma sodium concentrations. Ultrafiltration facilitates the removal of fluid and sodium, whereas diffusive exchange of sodium plays a pivotal role in sodium removal and tonicity adjustment. Lower dialysate sodium may increase sodium removal at the expense of hypotonicity, reduced blood volume refilling, and intradialytic hypotension risk. Higher dialysate sodium preserves blood volume and hemodynamic stability but reduces sodium removal. In this retrospective cohort, we aimed to assess whether prescribing a dialysate sodium ≤138 mmol/L has an effect on survival outcomes compared with dialysate sodium >138 mmol/L after adjusting for plasma sodium concentration. METHODS The study population included incident HD patients from 875 Fresenius Medical Care Nephrocare clinics in 25 countries between 2010 and 2019. Baseline dialysate sodium (≤138 or >138 mmol/L) and plasma sodium (<135, 135-142, >142 mmol/L) concentrations defined exposure status. We used multivariable Cox regression model stratified by country to model the association between time-varying dialysate and plasma sodium exposure and all-cause mortality, adjusted for demographic and treatment variables, including bioimpedance measures of fluid status. RESULTS In 2,123,957 patient-months from 68,196 incident HD patients with on average three HD sessions per week dialysate sodium of 138 mmol/L was prescribed in 63.2%, 139 mmol/L in 15.8%, 140 mmol/L in 20.7%, and other concentrations in 0.4% of patients. Most clinical centers (78.6%) used a standardized concentration. During a median follow-up of 40 months, one third of patients ( n =21,644) died. Dialysate sodium ≤138 mmol/L was associated with higher mortality (multivariate hazard ratio for the total population (1.57, 95% confidence interval, 1.25 to 1.98), adjusted for plasma sodium concentrations and other confounding variables. Subgroup analysis did not show any evidence of effect modification by plasma sodium concentrations or other patient-specific variables. CONCLUSIONS These observational findings stress the need for randomized evidence to reliably define optimal standard dialysate sodium prescribing practices.
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Affiliation(s)
- Jule Pinter
- Department of Medicine, Division of Nephrology, University Hospital Würzburg, Würzburg, Germany
| | - Brendan Smyth
- NHMRC Clinical Trials Centre, University of Sydney, Sydney, Australia
- Department of Renal Medicine, St George Hospital, Sydney, Australia
| | - Stefano Stuard
- Global Medical Office, FMC Germany, Bad Homburg, Germany
| | - Meg Jardine
- NHMRC Clinical Trials Centre, University of Sydney, Sydney, Australia
- Concord Repatriation General Hospital, Sydney, Australia
| | - Christoph Wanner
- Department of Medicine, Division of Nephrology, University Hospital Würzburg, Würzburg, Germany
- Department of Clinical Research and Epidemiology, Renal Research Unit, Comprehensive Heart Failure Center, Wuerzburg, Germany
| | - Patrick Rossignol
- Université de Lorraine, Centre d’Investigations Cliniques-Plurithématique 1433 CHRU de Nancy, U1116 Inserm and F-CRIN INI-CRCT (Cardiovascular and Renal Clinical Trialists), Nancy, France
- Princess Grace Hospital, and Monaco Private Hemodialysis Centre, Monaco
| | - David C. Wheeler
- Department of Renal Medicine, University College London, London, United Kingdom
| | | | | | - Bernd Genser
- High5Data GmbH, Heidelberg, Germany
- Department of General Medicine, Center for Preventive Medicine & Digital Health, Mannheim Medical Faculty, Ruprecht Karls University Heidelberg, Heidelberg, Germany
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Smyth B, Krishnasamy R, Jardine M. Are Observational Reports on the Association of Dialysate Sodium with Mortality Enough to Change Practice? Perspective from the RESOLVE Study Team. J Am Soc Nephrol 2024; 35:229-231. [PMID: 38096088 PMCID: PMC10843180 DOI: 10.1681/asn.0000000000000289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024] Open
Affiliation(s)
- Brendan Smyth
- NHMRC Clinical Trials Centre, Faculty of Medicine and Health, University of Sydney, Camperdown, New South Wales, Australia
- Department of Renal Medicine, St George Hospital, Kogarah, New South Wales, Australia
| | - Rathika Krishnasamy
- Department of Nephrology, Sunshine Coast University Hospital, Birtinya, Queensland, Australia
- Faculty of Medicine, The University of Queensland, Brisbane, Queensland, Australia
| | - Meg Jardine
- NHMRC Clinical Trials Centre, Faculty of Medicine and Health, University of Sydney, Camperdown, New South Wales, Australia
- Department of Renal Medicine, Concord Repatriation General Hospital, Concord, New South Wales, Australia
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Paglialonga F, Schmitt CP. Sodium handling in pediatric patients on maintenance dialysis. Pediatr Nephrol 2023; 38:3909-3921. [PMID: 37148342 DOI: 10.1007/s00467-023-05999-7] [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: 02/14/2023] [Revised: 04/18/2023] [Accepted: 04/19/2023] [Indexed: 05/08/2023]
Abstract
The risk of cardiovascular disease remains exceedingly high in pediatric patients with chronic kidney disease stage 5 on dialysis (CKD 5D). Sodium (Na+) overload is a major cardiovascular risk factor in this population, both through volume-dependent and volume-independent toxicity. Given that compliance with a Na+-restricted diet is generally limited and urinary Na+ excretion impaired in CKD 5D, dialytic Na+ removal is critical to reduce Na+ overload. On the other hand, an excessive or too fast intradialytic Na+ removal may lead to volume depletion, hypotension, and organ hypoperfusion. This review presents current knowledge on intradialytic Na+ handling and possible strategies to optimize dialytic Na+ removal in pediatric patients on hemodialysis (HD) and peritoneal dialysis (PD). There is increasing evidence supporting the prescription of lower dialysate Na+ in salt-overloaded children on HD, while improved Na+ removal may be achieved in children on PD with an individual adaptation of dwell time and volume and with icodextrin use during the long dwell.
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Affiliation(s)
- Fabio Paglialonga
- Pediatric Nephrology, Dialysis and Transplant Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via Commenda 9, 20122, Milan, Italy.
| | - Claus Peter Schmitt
- Pediatric Nephrology, Center for Pediatrics and Adolescent Medicine, University of Heidelberg, Heidelberg, Germany
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Davenport A. Why is Intradialytic Hypotension the Commonest Complication of Outpatient Dialysis Treatments? Kidney Int Rep 2023; 8:405-418. [PMID: 36938081 PMCID: PMC10014354 DOI: 10.1016/j.ekir.2022.10.031] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/30/2022] [Accepted: 10/31/2022] [Indexed: 11/11/2022] Open
Abstract
Intradialytic hypotension (IDH) is the most frequent complication of hemodialysis (HD) treatments with a frequency of 10% to 12% for patients with chronic kidney disease attending for outpatient treatments and is associated with both temporary ischemic stress to vital organs, including the heart and brain, and increased patient mortality. Although there have been many different definitions of IDH over the years, an absolute nadir systolic blood pressure (SBP) has the strongest association with patient outcomes. The unifying pathophysiology is one of reduced effective blood volume, resulting in lower plasma tonicity, and if this cannot be adequately compensated for by activation of neurohumeral systems, then arteriolar tone and blood pressure fall. The risk factors for developing IDH are numerous, ranging from patient-related factors, including age and comorbidity with reduced cardiac reserve, to patient compliance with dietary and lifestyle advice, to reactions with the extracorporeal circuit and medications, choice of dialysate composition and temperature, setting of postdialysis target weight, ultrafiltration rate, and profiling. Advances in dialysis machine technology by providing real time estimates of the effective circulating volume and adjusting dialysate composition to maintain vascular tonicity are being developed, but currently require more sophisticated biofeedback loops to be clinically effective in preventing IDH. While awaiting advances in artificial intelligence, the clinician continues to rely on patient education to limit interdialytic weight gains, frequent assessment of the postdialysis target weight, adjusting dialysate composition and temperature, introducing convective therapies to increase thermal losses, and altering dialysis session duration and frequency to reduce ultrafiltration rate requirements.
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Affiliation(s)
- Andrew Davenport
- Department of Renal Medicine, Royal Free Hospital, Faculty of Medical Sciences, University College London, London, UK
- Correspondence: Andrew Davenport, UCL Department of Nephrology, Royal Free Hospital, University College London, Rowland Hill Street, London NW3 2PF, UK.
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Bossola M, Pepe G, Antocicco M, Severino A, Di Stasio E. Interdialytic weight gain and educational/cognitive, counseling/behavioral and psychological/affective interventions in patients on chronic hemodialysis: a systematic review and meta-analysis. J Nephrol 2022; 35:1973-1983. [PMID: 36112313 PMCID: PMC9584995 DOI: 10.1007/s40620-022-01450-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 08/20/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND This work aimed to shed light on the notorious debate over the role of an educational/cognitive/behavioral or psychological approach in the reduction of interdialytic weight gain (IDWG) in patients on chronic hemodialysis. METHODS Searches were run from 1975 to January 2022 on Medline, PubMed, Web of Science, and the Cochrane Library. The search terms included "hemodialysis/haemodialysis" AND "adherence" AND ("fluid intake" OR "water intake") AND ("weight gain" OR "interdialytic weight gain" OR "IDWG") AND "patient-level interventions. Randomized controlled studies were eligible if they were in English, published in a peer-reviewed journal and regarded adults patients with on chronic hemodialysis for at least 6 months; compared educational/cognitive and/or counseling/behavioral or psychological interventions to no intervention on interdialytic weight gain. Outcome of interest was interdialytic weight gain. The review was registered on the International Prospective Register of Systematic Reviews in Health and Social Care (PROSPERO, ID number CRD42022332401). RESULTS Eighteen studies (1759 patients) were included in the analysis. Compared to the untreated group, educational/cognitive and/or counseling/behavioral interventions significantly reduced interdialytic weight gain with a pooled mean difference of - 0.15 kg (95% CI - 0.26, 30-0.05; P = 0.004). On the other hand, psychological/affective interventions reduced interdialytic weight gain with a pooled mean difference of - 0.26 kg (95% CI - 0.48, - 0.04; P = 0.020). CONCLUSIONS Educational/cognitive, counseling/behavioral or psychological/affective interventions significantly reduced the interdialytic weight gain in patients on chronic hemodialysis, although such reduction did not appear to be clinically relevant on hard outcomes.
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Affiliation(s)
- Maurizio Bossola
- Servizio Emodialisi, Policlinico Universitario Fondazione Agostino Gemelli IRCCS, Università Cattolica del Sacro Cuore, Rome, Italy.
| | - Gilda Pepe
- Servizio Emodialisi, Policlinico Universitario Fondazione Agostino Gemelli IRCCS, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Manuela Antocicco
- Dipartimento Scienze Dell'invecchiamento, Neurologiche, Ortopediche e Della Testa-Collo, Rome, Italy
| | - Altea Severino
- Dipartimento di Scienze biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie Università Cattolica del Sacro Cuore, Rome, Italy
| | - Enrico Di Stasio
- Dipartimento di Scienze biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie Università Cattolica del Sacro Cuore, Rome, Italy
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Li Y, Zhao D, Liu G, Liu Y, Bano Y, Ibrohimov A, Chen H, Wu C, Chen X. Intradialytic hypotension prediction using covariance matrix-driven whale optimizer with orthogonal structure-assisted extreme learning machine. Front Neuroinform 2022; 16:956423. [PMID: 36387587 PMCID: PMC9659657 DOI: 10.3389/fninf.2022.956423] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 09/28/2022] [Indexed: 09/19/2023] Open
Abstract
Intradialytic hypotension (IDH) is an adverse event occurred during hemodialysis (HD) sessions with high morbidity and mortality. The key to preventing IDH is predicting its pre-dialysis and administering a proper ultrafiltration prescription. For this purpose, this paper builds a prediction model (bCOWOA-KELM) to predict IDH using indices of blood routine tests. In the study, the orthogonal learning mechanism is applied to the first half of the WOA to improve the search speed and accuracy. The covariance matrix is applied to the second half of the WOA to enhance the ability to get out of local optimum and convergence accuracy. Combining the above two improvement methods, this paper proposes a novel improvement variant (COWOA) for the first time. More, the core of bCOWOA-KELM is that the binary COWOA is utilized to improve the performance of the KELM. In order to verify the comprehensive performance of the study, the paper sets four types of comparison experiments for COWOA based on 30 benchmark functions and a series of prediction experiments for bCOWOA-KELM based on six public datasets and the HD dataset. Finally, the results of the experiments are analyzed separately in this paper. The results of the comparison experiments prove fully that the COWOA is superior to other famous methods. More importantly, the bCOWOA performs better than its peers in feature selection and its accuracy is 92.41%. In addition, bCOWOA improves the accuracy by 0.32% over the second-ranked bSCA and by 3.63% over the worst-ranked bGWO. Therefore, the proposed model can be used for IDH prediction with future applications.
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Affiliation(s)
- Yupeng Li
- College of Computer Science and Technology, Changchun Normal University, Changchun, China
| | - Dong Zhao
- College of Computer Science and Technology, Changchun Normal University, Changchun, China
| | - Guangjie Liu
- College of Computer Science and Technology, Changchun Normal University, Changchun, China
| | - Yi Liu
- Department of Nephrology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yasmeen Bano
- Department of Nephrology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Alisherjon Ibrohimov
- Department of Nephrology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Huiling Chen
- College of Computer Science and Artificial Intelligence, Wenzhou University, Wenzhou, China
| | - Chengwen Wu
- College of Computer Science and Artificial Intelligence, Wenzhou University, Wenzhou, China
| | - Xumin Chen
- Department of Nephrology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou University, Wenzhou, China
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10
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Dörr K, Kainz A, Oberbauer R. Lessons from effect of etelcalcetide on left ventricular hypertrophy in patients with end-stage kidney disease. Curr Opin Nephrol Hypertens 2022; 31:339-343. [PMID: 35703173 PMCID: PMC9394497 DOI: 10.1097/mnh.0000000000000799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE OF REVIEW Patients with end-stage kidney disease (ESKD) frequently develop left ventricular hypertrophy (LVH), which is associated with an exceptionally high risk of cardiovascular events and mortality. This review focuses on interventional studies that modify levels of fibroblast growth factor 23 (FGF23) and examine effects on myocardial hypertrophy, cardiovascular events and mortality. RECENT FINDINGS Quantitative evaluations of trials of calcimimetics found no effects on cardiovascular events and cardiovascular and all-cause mortality when compared with placebo. However, a recent randomized, controlled trial of etelcalcetide versus alfacalcidol showed that etelcalcetide effectively inhibited the progression of LVH in comparison to vitamin D in patients on haemodialysis after 1 year of treatment. Prior to that, oral calcimimetic treatment has already been shown to reduce left ventricular mass in patients on haemodialysis, whereas treatment with active vitamin D or mineralocorticoids was ineffective in patients with ESKD. SUMMARY Data from a recent trial of etelcalcetide on LVH suggest that FGF23 may be a possible therapeutic target for cardiac risk reduction in patients on haemodialysis. If these findings are confirmed by further research, it might be speculated that a treatment shift from active vitamin D towards FGF23-lowering therapy may occur in patients on haemodialysis.
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Boosted machine learning model for predicting intradialytic hypotension using serum biomarkers of nutrition. Comput Biol Med 2022; 147:105752. [DOI: 10.1016/j.compbiomed.2022.105752] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 06/13/2022] [Accepted: 06/14/2022] [Indexed: 11/22/2022]
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12
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Hunter RW, Dhaun N, Bailey MA. The impact of excessive salt intake on human health. Nat Rev Nephrol 2022; 18:321-335. [DOI: 10.1038/s41581-021-00533-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/10/2021] [Indexed: 12/19/2022]
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13
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Maki KC, Wilcox ML, Dicklin MR, Kakkar R, Davidson MH. Left ventricular mass regression, all-cause and cardiovascular mortality in chronic kidney disease: a meta-analysis. BMC Nephrol 2022; 23:34. [PMID: 35034619 PMCID: PMC8761349 DOI: 10.1186/s12882-022-02666-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 01/03/2022] [Indexed: 12/22/2022] Open
Abstract
Background Cardiovascular disease is an important driver of the increased mortality associated with chronic kidney disease (CKD). Higher left ventricular mass (LVM) predicts increased risk of adverse cardiovascular outcomes and total mortality, but previous reviews have shown no clear association between intervention-induced LVM change and all-cause or cardiovascular mortality in CKD. Methods The primary objective of this meta-analysis was to investigate whether treatment-induced reductions in LVM over periods ≥12 months were associated with all-cause mortality in patients with CKD. Cardiovascular mortality was investigated as a secondary outcome. Measures of association in the form of relative risks (RRs) with associated variability and precision (95% confidence intervals [CIs]) were extracted directly from each study, when reported, or were calculated based on the published data, if possible, and pooled RR estimates were determined. Results The meta-analysis included 42 trials with duration ≥12 months: 6 of erythropoietin stimulating agents treating to higher vs. lower hemoglobin targets, 10 of renin-angiotensin-aldosterone system inhibitors vs. placebo or another blood pressure lowering agent, 14 of modified hemodialysis regimens, and 12 of other types of interventions. All-cause mortality was reported in 121/2584 (4.86%) subjects in intervention groups and 168/2606 (6.45%) subjects in control groups. The pooled RR estimate of the 27 trials ≥12 months with ≥1 event in ≥1 group was 0.72 (95% CI 0.57 to 0.90, p = 0.005), with little heterogeneity across studies. Directionalities of the associations in intervention subgroups were the same. Sensitivity analyses of ≥6 months (34 trials), ≥9 months (29 trials), and >12 months (10 trials), and including studies with no events in either group, demonstrated similar risk reductions to the primary analysis. The point estimate for cardiovascular mortality was similar to all-cause mortality, but not statistically significant: RR 0.67, 95% CI 0.39 to 1.16. Conclusions These results suggest that LVM regression may be a useful surrogate marker for benefits of interventions intended to reduce mortality risk in patients with CKD. Supplementary Information The online version contains supplementary material available at 10.1186/s12882-022-02666-1.
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Affiliation(s)
- Kevin C Maki
- Department of Applied Health Science, Indiana University School of Public Health, 1025 E 7th St #111, Bloomington, IN, 47405, USA. .,Midwest Biomedical Research, Addison, IL, USA.
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14
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Zhu Y, Zheng X. Application of a Computerized Decision Support System to Develop Care Strategies for Elderly Hemodialysis Patients. JOURNAL OF HEALTHCARE ENGINEERING 2021; 2021:5060484. [PMID: 34249296 PMCID: PMC8238583 DOI: 10.1155/2021/5060484] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 06/09/2021] [Indexed: 12/25/2022]
Abstract
In this paper, the strategy of elderly haemodialysis patients' care is analysed by the computer's decision system to conduct an in-depth research machine. Maintenance haemodialysis patients have a high demand for continuation care, and healthcare workers should provide personalized and specialized seamless continuation care services for patients according to patients' needs, by reasonably using the hospital, community, and other health resources and with the help of emerging network technologies, such as information platforms and wearable devices to prolong the survival period of patients and improve their self-management ability and quality of life. The service provision and compensation strategy of the combined healthcare model should be optimized to improve the health protection of the elderly and promote health equity. On the one hand, it should target strengthening the service provision of healthcare integration, guide the elderly to reasonably choose the healthcare integration model, and pay attention to the spiritual and cultural needs and end-of-life care services for the elderly. On the other hand, we should expand the financing channels of medical insurance, optimize the design of compensation mechanisms, explore the role of health risk sharing, and accelerate the development of long-term care insurance, independent of basic medical insurance. The reliability of the scale was found to be 0.916 for the total Cronbach alpha coefficient, 0.798-0.919 for each dimension, and 0.813 for the fold-half reliability of the scale; the validity indicated that the correlation coefficient range of each article day with the total scale score was 0.27-0.72, and the correlation coefficient range of each dimension with the total scale was 0.56-0.72. The validation factor analysis was used to verify the structure of the scale. The validation factor analysis indexes met the fitting criteria after correction. The model fitted better with the actual model after correction, indicating that the scale has good reliability.
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Affiliation(s)
- Yiqiu Zhu
- The First Affiliated Hospital of Soochow University, Suzhou 215000, Jiangsu, China
| | - Xiyi Zheng
- The First Affiliated Hospital of Soochow University, Suzhou 215000, Jiangsu, China
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15
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Rootjes PA, Penne EL, Ouellet G, Dou Y, Thijssen S, Kotanko P, Raimann JG. Dextrose solution for priming and rinsing the extracorporeal circuit in hemodialysis patients: A prospective pilot study. Int J Artif Organs 2021; 44:906-911. [PMID: 34058888 PMCID: PMC8559183 DOI: 10.1177/03913988211020023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
INTRODUCTION Excess sodium intake and consequent volume overload are major clinical problems in hemodialysis (HD) contributing to adverse outcomes. Saline used for priming and rinsing of the extracorporeal circuit is a potentially underappreciated source of intradialytic sodium gain. We aimed to examine the feasibility and clinical effects of replacing saline as the priming and rinsing fluid by a 5% dextrose solution. MATERIALS AND METHODS We enrolled non-diabetic and anuric stable HD patients. First, the extracorporeal circuit was primed and rinsed with approximately 200-250 mL of isotonic saline during 4 weeks (Phase 1), subsequently a similar volume of a 5% dextrose solution replaced the saline for another 4 weeks (Phase 2), followed by another 4 weeks of saline (Phase 3). We collected data on interdialytic weight gain (IDWG), pre- and post-dialysis blood pressure, intradialytic symptoms, and thirst. RESULTS Seventeen chronic HD patients (11 males, age 54.1 ± 18.7 years) completed the study. The average priming and rinsing volumes were 236.7 ± 77.5 and 245.0 ± 91.8 mL respectively. The mean IDWG did not significantly change (2.52 ± 0.88 kg in Phase 1; 2.28 ± 0.70 kg in Phase 2; and 2.51 ± 1.2 kg in Phase 3). No differences in blood pressures, intradialytic symptoms or thirst were observed. CONCLUSIONS Replacing saline by 5% dextrose for priming and rinsing is feasible in stable HD patients and may reduce intradialytic sodium loading. A non-significant trend toward a lower IDWG was observed when 5% dextrose was used. Prospective studies with a larger sample size and longer follow-up are needed to gain further insight into the possible effects of using alternate priming and rinsing solutions lowering intradialytic sodium loading. TRIAL REGISTRATION Identifier NCT01168947 (ClinicalTrials.gov).
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Affiliation(s)
- Paul A Rootjes
- Department of Nephrology, Northwest Clinics, Alkmaar, The Netherlands.,Department of Nephrology, Amsterdam University Medical Centers, location AMC, Amsterdam, The Netherlands
| | - Erik Lars Penne
- Department of Nephrology, Northwest Clinics, Alkmaar, The Netherlands
| | | | - Yanna Dou
- The Nephrology Center, The First Affiliated Hospital of Zhengzhou University, Henan, China
| | | | - Peter Kotanko
- Renal Research Institute, New York, NY, USA.,Icahn School of Medicine at Mount Sinai, New York, NY, USA
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16
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Timofte D, Tanasescu MD, Balan DG, Tulin A, Stiru O, Vacaroiu IA, Mihai A, Popa CC, Cosconel CI, Enyedi M, Miricescu D, Papacocea RI, Ionescu D. Management of acute intradialytic cardiovascular complications: Updated overview (Review). Exp Ther Med 2021; 21:282. [PMID: 33603889 PMCID: PMC7851674 DOI: 10.3892/etm.2021.9713] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Accepted: 11/13/2020] [Indexed: 02/07/2023] Open
Abstract
An increasing number of patients require renal replacement therapy through dialysis and renal transplantation. Chronic kidney disease (CKD) affects a large percentage of the world's population and has evolved into a major public health concern. Diabetes mellitus, high blood pressure and a family history of kidney failure are all major risk factors for CKD. Patients in advanced stages of CKD have varying degrees of cardiovascular damage. Comorbidities of these patients, include, on the one hand, hypertension, hyperlipidemia, hyperglycemia, hyperuricemia and, on the other hand, the presence of mineral-bone disorders associated with CKD and chronic inflammation, which contribute to cardiovascular involvement. Acute complications occur quite frequently during dialysis. Among these, the most important are cardiovascular complications, which influence the morbidity and mortality rates of this group of patients. Chronic hemodialysis patients manifest acute cardiovascular complications such as intradialytic hypotension, intradialytic hypertension, arrhythmias, acute coronary syndromes and sudden death. Thus, proper management is extremely important.
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Affiliation(s)
- Delia Timofte
- Department of Dialysis, Emergency University Hospital, 050098 Bucharest, Romania
| | - Maria-Daniela Tanasescu
- Department of Medical Semiology, Discipline of Internal Medicine I and Nephrology, Faculty of Medicine, 'Carol Davila̓ University of Medicine and Pharmacy, 020021 Bucharest, Romania.,Department of Nephrology, Emergency University Hospital, 050098 Bucharest, Romania
| | - Daniela Gabriela Balan
- Discipline of Physiology, Faculty of Dental Medicine, Carol Davila̓ University of Medicine and Pharmacy, 020021 Bucharest, Romania
| | - Adrian Tulin
- Department of Anatomy, Faculty of Medicine, 'Carol Davila̓ University of Medicine and Pharmacy, 020021 Bucharest, Romania.,Department of General Surgery, 'Prof. Dr. Agrippa Ionescu̓ Clinical Emergency Hospital, 011356 Bucharest, Romania
| | - Ovidiu Stiru
- Department of Cardiovascular Surgery, Faculty of Medicine, 'Carol Davila̓ University of Medicine and Pharmacy, 020021 Bucharest, Romania.,Department of Cardiovascular Surgery, 'Prof. Dr. C.C. Iliescu̓ Emergency Institute for Cardiovascular Diseases, 022322 Bucharest, Romania
| | - Ileana Adela Vacaroiu
- Department of Nephrology and Dialysis, 'Sf. Ioan' Emergency Clinical Hospital, 042122 Bucharest, Romania.,Department of Nephrology, Faculty of Medicine, 'Carol Davila̓ University of Medicine and Pharmacy, 020021 Bucharest, Romania
| | - Andrada Mihai
- Discipline of Diabetes, 'N. C. Paulescu' Institute of Diabetes, Nutrition and Metabolic Diseases, 020474 Bucharest, Romania.,Department II of Diabetes, 'N. C. Paulescu̓ Institute of Diabetes, Nutrition and Metabolic Diseases, 020474 Bucharest, Romania
| | - Cristian Constantin Popa
- Department of Surgery, Faculty of Medicine, 'Carol Davila̓ University of Medicine and Pharmacy, 020021 Bucharest, Romania.,Department of Surgery, Emergency University Hospital, 050098 Bucharest, Romania
| | - Cristina-Ileana Cosconel
- Discipline of Foreign Languages, Faculty of Dental Medicine, 'Carol Davila̓ University of Medicine and Pharmacy, 020021 Bucharest, Romania
| | - Mihaly Enyedi
- Department of Anatomy, Faculty of Medicine, 'Carol Davila̓ University of Medicine and Pharmacy, 020021 Bucharest, Romania.,Department of Radiology, 'Victor Babes̓ Private Medical Clinic, 030303 Bucharest, Romania
| | - Daniela Miricescu
- Discipline of Biochemistry, Faculty of Dental Medicine, 'Carol Davila̓ University of Medicine and Pharmacy, 020021 Bucharest, Romania
| | - Raluca Ioana Papacocea
- Discipline of Physiology, Faculty of Medicine, 'Carol Davila̓ University of Medicine and Pharmacy, 020021 Bucharest, Romania
| | - Dorin Ionescu
- Department of Medical Semiology, Discipline of Internal Medicine I and Nephrology, Faculty of Medicine, 'Carol Davila̓ University of Medicine and Pharmacy, 020021 Bucharest, Romania.,Department of Nephrology, Emergency University Hospital, 050098 Bucharest, Romania
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Lemoine S, Salerno FR, Akbari A, McIntyre CW. Influence of Dialysate Sodium Prescription on Skin and Muscle Sodium Concentration. Am J Kidney Dis 2021; 78:156-159. [PMID: 33428998 DOI: 10.1053/j.ajkd.2020.11.025] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 11/14/2020] [Indexed: 12/25/2022]
Affiliation(s)
- Sandrine Lemoine
- Lilibeth Caberto Kidney Clinical Research Unit, University of Western Ontario, London, ON, Canada; Department of Medical Biophysics, University of Western Ontario, London, ON, Canada; Lawson Health Research Institute, London, ON, Canada
| | - Fabio R Salerno
- Lilibeth Caberto Kidney Clinical Research Unit, University of Western Ontario, London, ON, Canada; Lawson Health Research Institute, London, ON, Canada
| | - Alireza Akbari
- Lilibeth Caberto Kidney Clinical Research Unit, University of Western Ontario, London, ON, Canada; Department of Medical Biophysics, University of Western Ontario, London, ON, Canada
| | - Christopher W McIntyre
- Lilibeth Caberto Kidney Clinical Research Unit, University of Western Ontario, London, ON, Canada; Department of Medical Biophysics, University of Western Ontario, London, ON, Canada; Division of Nephrology, London Health Sciences Centre, London, ON, Canada; Lawson Health Research Institute, London, ON, Canada.
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18
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Ng JKC, Smyth ,B, Marshall ,MR, Kang ,A, Pinter ,J, Bassi ,A, Krishnasamy ,R, Rossignol ,P, Rocco ,MV, Li ,Z, Jha ,V, Hawley CM, Kerr ,PG, DI Tanna ,GL, Woodward ,M, Jardine AM. Relationship between measured and prescribed dialysate sodium in haemodialysis: a systematic review and meta-analysis. Nephrol Dial Transplant 2020; 36:695-703. [DOI: 10.1093/ndt/gfaa287] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Dialysate sodium (DNa) prescription policy differs between haemodialysis (HD) units, and the optimal DNa remains uncertain. We sought to summarize the evidence on the agreement between prescribed and delivered DNa, and whether the relationship varied according to prescribed DNa.
Methods
We searched MEDLINE and PubMed from inception to 26 February 2020 for studies reporting measured and prescribed DNa. We analysed results reported in aggregate with random-effects meta-analysis. We analysed results reported by individual sample, using mixed-effects Bland–Altman analysis and linear regression. Pre-specified subgroup analyses included method of sodium measurement, dialysis machine manufacturer and proportioning method.
Results
Seven studies, representing 908 dialysate samples from 10 HD facilities (range 16–133 samples), were identified. All but one were single-centre studies. Studies were of low to moderate quality. Overall, there was no statistically significant difference between measured and prescribed DNa {mean difference = 0.73 mmol/L [95% confidence interval (CI) −1.12 to 2.58; P = 0.44]} but variability across studies was substantial (I2 = 99.3%). Among individually reported samples (n = 295), measured DNa was higher than prescribed DNa by 1.96 mmol/L (95% CI 0.23–3.69) and the 95% limits of agreement ranged from −3.97 to 7.88 mmol/L. Regression analysis confirmed a strong relationship between prescribed and measured DNa, with a slope close to 1:1 (β = 1.16, 95% CI 1.06–1.27; P < 0.0001).
Conclusions
A limited number of studies suggest that, on average, prescribed and measured DNa are similar. However, between- and within-study differences were large. Further consideration of the precision of delivered DNa is required to inform rational prescribing.
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Affiliation(s)
- Jack Kit-Chung Ng
- The George Institute for Global Health, UNSW Sydney, Sydney, Australia
- Department of Medicine & Therapeutics, Carol and Richard Yu Peritoneal Dialysis Research Centre, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, China
| | - , Brendan Smyth
- The George Institute for Global Health, UNSW Sydney, Sydney, Australia
- Department of Renal Medicine, St George Hospital, Sydney, Australia
| | - , Mark R Marshall
- Department of Medicine, Counties Manukau Health, Auckland, New Zealand
- Faculty of Medical and Health Sciences, School of Medicine, University of Auckland, Auckland, New Zealand
| | - , Amy Kang
- The George Institute for Global Health, UNSW Sydney, Sydney, Australia
| | - , Jule Pinter
- Renal Division, University Hospital of Würzburg, Würzburg, Germany
| | - , Abhinav Bassi
- THE George Institute for Global Health India, UNSW, New Delhi, India
| | - , Rathika Krishnasamy
- Department of Nephrology, Princess Alexandra Hospital, Brisbane, Australia
- Australasian Kidney Trials Network, The University of Queensland, Australia
| | - , Patrick Rossignol
- University of Lorraine, Inserm 1433 CIC-P CHRU de Nancy, Inserm U1116 and FCRIN INI-CRCT, Nancy, France
| | - , Michael V Rocco
- Medical Center Boulevard, Section on Nephrology, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - , Zuo Li
- Laboratory of Renal Disease, Peking University Institute of Nephrology, Key Ministry of Health of China, Beijing, China
| | - , Vivekanand Jha
- THE George Institute for Global Health India, UNSW, New Delhi, India
- Manipal Academy of Higher Education, Manipal, India
- The George Institute for Global Health, School of Public Health, Imperial College, London, UK
| | - Carmel M Hawley
- Department of Nephrology, Princess Alexandra Hospital, Brisbane, Australia
- Australasian Kidney Trials Network, The University of Queensland, Australia
| | - , Peter G Kerr
- Department of Nephrology, Monash Health and Monash University, Clayton, Victoria, Australia
| | | | - , Mark Woodward
- The George Institute for Global Health, UNSW Sydney, Sydney, Australia
- The George Institute for Global Health, School of Public Health, Imperial College, London, UK
- Department of Epidemiology, Johns Hopkins University, Baltimore, MD, USA
| | - and Meg Jardine
- The George Institute for Global Health, UNSW Sydney, Sydney, Australia
- Department of Renal Medicine, Concord Repatriation General Hospital, Sydney, Australia
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Ozen N, Aydin Sayilan A, Mut D, Sayilan S, Avcioglu Z, Kulakac N, Ecder T, Akyolcu N. The effect of chewing gum on dry mouth, interdialytic weight gain, and intradialytic symptoms: A prospective, randomized controlled trial. Hemodial Int 2020; 25:94-103. [PMID: 32996239 DOI: 10.1111/hdi.12878] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 09/10/2020] [Accepted: 09/12/2020] [Indexed: 11/29/2022]
Abstract
INTRODUCTION The major salivary glands can be stimulated by chewing gum to increase saliva flow and decrease xerostomia. The aim of this study was to investigate the effect of chewing gum on dry mouth, interdialytic weight gain, and intradialytic symptoms in hemodialysis (HD) patients. METHODS This prospective randomized controlled single-blind study was conducted with patients who had been treated for at least 6 months with sessions 3 days a week for 4 hours at two HD units. Patients were randomly allocated to chewing gum group or the control group. In the chewing gum group, gum was chewed for 10 minutes six times a day, and when the patients felt mouth dryness or were thirsty. In the nonchewing gum group, gum was not chewed. The patients were followed-up for 3 months. A total of three saliva samples were taken before starting treatment at the first, 12th, and 36th HD session. Data were collected with the "Visual Analogue Scale (VAS)," "Hemodialysis Patients Fluid Control Scale," "Dialysis Symptom Index," and "Hospital Anxiety and Depression Scale" at baseline, week 4, week 8, and week 12. FINDINGS The study was completed with a total of 44 patients consisting of 22 patients in the each group. The second and third month VAS values (xerostomia) of the patients in the chewing gum groups were statistically significantly lower than those in the control group (P = 0.014, P < 0.001, respectively). The third month salivary flow rate in the chewing gum group was higher than the values in the control group patients (P < 0.001). DISCUSSION It is anticipated that this study will raise nurses' awareness of dry mouth and encourage future studies on interventions to increase the salivary flow rate to prevent or treat dry mouth.
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Affiliation(s)
- Nurten Ozen
- Florence Nightingale Hospital School of Nursing, Demiroglu Bilim University, Istanbul, Turkey
| | - Aylin Aydin Sayilan
- Nursing Department, Kirklareli University School of Health Science, Kırklareli, Turkey
| | - Dilek Mut
- Department of Intensive Care Unit, Kirklareli State Hospital, Kirklareli, Turkey
| | - Samet Sayilan
- Department of Internal Medicine, Kirklareli State Hospital, Kirklareli, Turkey
| | - Zeynep Avcioglu
- Department of Quality Management Unit, Lüleburgaz State Hospital, Kirklareli, Turkey
| | - Nursen Kulakac
- Faculty of Health Science, Gumushane University, Gümüşhane, Turkey
| | - Tevfik Ecder
- Division of Nephrology, Department of Internal Medicine, Demiroglu Bilim University, İstanbul, Turkey
| | - Neriman Akyolcu
- Department of Nursing, Faculty of Health Sciences, Istinye University, İstanbul, Turkey
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Lockridge R, Weinhandl E, Kraus M, Schreiber M, Spry L, Tailor P, Carver M, Glickman J, Miller B. A Systematic Approach To Promoting Home Hemodialysis during End Stage Kidney Disease. KIDNEY360 2020; 1:993-1001. [PMID: 35369547 PMCID: PMC8815594 DOI: 10.34067/kid.0003132020] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 07/07/2020] [Indexed: 06/14/2023]
Abstract
Home dialysis has garnered much attention since the advent of the Advancing American Kidney Health initiative. For many patients and nephrologists, home dialysis and peritoneal dialysis are synonymous. However, home hemodialysis (HHD) should not be forgotten. Since 2004, HHD has grown more rapidly than other dialytic modalities. The cardinal feature of HHD is customizability of treatment intensity, which can be titrated to address the vexing problems of volume and pressure loading during interdialytic gaps and ultrafiltration intensity during each hemodialysis session. Growing HHD utilization requires commitment to introducing patients to the modality throughout the course of ESKD. In this article, we describe a set of strategies for introducing HHD concepts and equipment. First, patients initiating dialysis may attend a transitional care unit, which offers an educational program about all dialytic modalities during 3-5 weeks of in-facility hemodialysis, possibly using HHD equipment. Second, prevalent patients on hemodialysis may participate in "trial-run" programs, which allow patients to experience increased treatment frequency and HHD equipment for several weeks, but without the overt commitment of initiating HHD training. In both models, perceived barriers to HHD-including fear of equipment, anxiety about self-cannulation, catheter dependence, and the absence of a care partner-can be addressed in a supportive setting. Third, patients on peritoneal dialysis who are nearing a transition to hemodialysis may be encouraged to consider a home-to-home transition (i.e., from peritoneal dialysis to HHD). Taken together, these strategies represent a systematic approach to growing HHD utilization in multiple phenotypes of patients on dialysis. With the feature of facilitating intensive hemodialysis, HHD can be a key not only to satiating demand for home dialysis, but also to improving the health of patients on dialysis.
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Affiliation(s)
- Robert Lockridge
- Lynchburg Nephrology Physicians, PLLC, Lynchburg, Virginia
- University of Virginia Medical Center, Charlottesville, Virginia
| | - Eric Weinhandl
- Chronic Disease Research Group, Hennepin Healthcare Research Institute, Minneapolis, Minnesota
- Department of Pharmaceutical Care and Health Systems, University of Minnesota, Minneapolis, Minnesota
| | - Michael Kraus
- Fresenius Medical Care North America, Waltham, Massachusetts
| | | | - Leslie Spry
- Lincoln Nephrology and Hypertension, PC, Lincoln, Nebraska
| | | | - Michelle Carver
- Fresenius Medical Care North America, Waltham, Massachusetts
| | - Joel Glickman
- Division of Renal Electrolyte and Hypertension, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Brent Miller
- Division of Nephrology, Department of Medicine, School of Medicine, Indiana University, Bloomington, Indiana
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Marshall MR, Karaboyas A. Temporal changes in dialysate [Na +] prescription from 1996 to 2018 and their clinical significance as judged from a meta-regression of clinical trials. Semin Dial 2020; 33:372-381. [PMID: 32893392 DOI: 10.1111/sdi.12906] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Over the last two decades, the clinical care of dialysis patients has refocused sharply on fluid volume control. Dialysate [Na+] is a key, albeit under-investigated, clinical tool for manipulation of fluid volume on dialysis. In the article, we firstly use data from the Dialysis Outcomes and Practice Patterns Study to document the global decrease in dialysate [Na+] that has occurred from 1996 to 2018, and demonstrate the virtual disappearance of [Na+] profiling from routine dialysis practice over the same period. Second, we used data from previously synthesized randomized clinical trial evidence combined with that of a more recently published trail to assess the clinical significance of these changes, estimating the effects of different levels of low dialysate [Na+] on key clinical outcomes. Our analyses suggest that current levels of dialysate [Na+] in some health jurisdictions are possibly causing harm to many patients, especially given that real world populations are significantly less robust and more vulnerable than clinical trial ones. To quote a recent editorial, "more evidence needed before lower dialysate sodium concentrations can be recommended." That evidence is coming, and no further changes should be made to default customary practice until it is available.
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Affiliation(s)
- Mark R Marshall
- Department of Renal Medicine, Counties Manukau District Health Board, Auckland, New Zealand.,School of Medicine, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
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