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Sugisawa H, Shimizu Y, Kumagai T, Shishido K, Koda Y, Shinoda T. Employment rates for working-age patients receiving hemodialysis increasing: Changing economic environment. Ther Apher Dial 2024; 28:632-647. [PMID: 38647125 DOI: 10.1111/1744-9987.14127] [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: 02/15/2024] [Revised: 03/21/2024] [Accepted: 04/03/2024] [Indexed: 04/25/2024]
Abstract
INTRODUCTION This study explored employment trends among working-age patients undergoing hemodialysis using 5-year surveys from 1996 to 2021. Policy changes affecting individuals with disabilities, the economic environment, and employment status among the general population in Japan were considered. Differences in trends by gender and health status were examined. METHODS Employment status was categorized into employment and nonemployment; and regular, nonregular, and self. Analytical data with similar characteristics were generated over the six surveys using the propensity score method. RESULTS The employment rate, especially among women, increased from 1996 to 2021. However, the employment rate ratio to the general population was approximately 80% for men and 50% for women, even in 2021. The employment rate increased with an expansion in nonregular employment. Women's employment trends could be explained by changes in real gross domestic product and employment quotas for individuals with disabilities. CONCLUSION Employment trends differ by gender and by regular versus nonregular employment.
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Fitzgibbon JJ, Heindel P, Appah-Sampong A, Holden-Wingate C, Hentschel DM, Mamdani M, Ozaki CK, Hussain MA. Temporal trends in hemodialysis access creation during the fistula first era. J Vasc Surg 2024; 79:1483-1492.e3. [PMID: 38387816 DOI: 10.1016/j.jvs.2024.02.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 02/09/2024] [Accepted: 02/14/2024] [Indexed: 02/24/2024]
Abstract
OBJECTIVE Although forearm arteriovenous fistulas (AVFs) are the preferred initial vascular access for hemodialysis based on national guidelines, there are no population-level studies evaluating trends in creation of forearm vs upper arm AVFs and arteriovenous grafts (AVGs). The purpose of this study was to report temporal trends in first-time permanent hemodialysis access type, and to assess the effect of national initiatives on rates of AVF placement. METHODS Retrospective cross-sectional study (2012-2022) utilizing the Vascular Quality Initiative database. All patients older than 18 years with creation of first-time upper extremity surgical hemodialysis access were included. Anatomic location of the AVF or AVG (forearm vs upper arm) was defined based on inflow artery, outflow vein, and presumed cannulation zone. Primary analysis examined temporal trends in rates of forearm vs upper arm AVFs and AVGs using time series analyses (modified Mann-Kendall test). Subgroup analyses examined rates of access configuration stratified by age, sex, race, dialysis, and socioeconomic status. Interrupted time series analysis was performed to assess the effect of the 2015 Fistula First Catheter Last initiative on rates of AVFs. RESULTS Of the 52,170 accesses, 57.9% were upper arm AVFs, 25.2% were forearm AVFs, 15.4% were upper arm AVGs, and 1.5% were forearm AVGs. From 2012 to 2022, there was no significant change in overall rates of forearm or upper arm AVFs. There was a numerical increase in upper arm AVGs (13.9 to 18.2 per 100; P = .09), whereas forearm AVGs significantly declined (1.8 to 0.7 per 100; P = .02). In subgroup analyses, we observed a decrease in forearm AVFs among men (33.1 to 28.7 per 100; P = .04) and disadvantaged (Area Deprivation Index percentile ≥50) patients (29.0 to 20.7 per 100; P = .04), whereas female (17.2 to 23.1 per 100; P = .03), Black (15.6 to 24.5 per 100; P < .01), elderly (age ≥80 years) (18.7 to 32.5 per 100; P < .01), and disadvantaged (13.6 to 20.5 per 100; P < .01) patients had a significant increase in upper arm AVGs. The Fistula First Catheter Last initiative had no effect on the rate of AVF placement (83.2 to 83.7 per 100; P=.37). CONCLUSIONS Despite national initiatives to promote autogenous vascular access, the rates of first-time AVFs have remained relatively constant, with forearm AVFs only representing one-quarter of all permanent surgical accesses. Furthermore, elderly, Black, female, and disadvantaged patients saw an increase in upper arm AVGs. Further efforts to elucidate factors associated with forearm AVF placement, as well as potential physician, center, and regional variation is warranted.
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Nguyen KH, Thorsness R, Hayes S, Kim D, Mehrotra R, Swaminathan S, Baranwal N, Lee Y, Rivera-Hernandez M, Trivedi AN. Evaluation of Racial, Ethnic, and Socioeconomic Disparities in Initiation of Kidney Failure Treatment During the First 4 Months of the COVID-19 Pandemic. JAMA Netw Open 2021; 4:e2127369. [PMID: 34618039 PMCID: PMC8498850 DOI: 10.1001/jamanetworkopen.2021.27369] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Accepted: 07/28/2021] [Indexed: 12/24/2022] Open
Abstract
Importance Persons with kidney failure require treatment (ie, dialysis or transplantation) for survival. The burden of the COVID-19 pandemic and pandemic-related disruptions in care have disproportionately affected racial and ethnic minority and socially disadvantaged populations, raising the importance of understanding disparities in treatment initiation for kidney failure during the pandemic. Objective To examine changes in the number and demographic characteristics of patients initiating treatment for incident kidney failure following the COVID-19 pandemic by race and ethnicity, county-level COVID-19 mortality rate, and neighborhood-level social disadvantage. Design, Setting, and Participants This cross-sectional time-trend study used data from US patients who developed kidney failure between January 1, 2018, and June 30, 2020. Data were analyzed between January and July 2021. Exposures COVID-19 pandemic. Main Outcomes and Measures Number of patients initiating treatment for incident kidney failure and mean estimated glomerular filtration rate (eGFR) at treatment initiation. Results The study population included 127 149 patients with incident kidney failure between January 1, 2018, and June 30, 2020 (mean [SD] age, 62.8 [15.3] years; 53 021 [41.7%] female, 32 932 [25.9%] non-Hispanic Black, and 19 835 [15.6%] Hispanic/Latino patients). Compared with the pre-COVID-19 period, in the first 4 months of the pandemic (ie, March 1 through June 30, 2020), there were significant decreases in the proportion of patients with incident kidney failure receiving preemptive transplantation (1805 [2.1%] pre-COVID-19 vs 551 [1.4%] during COVID-19; P < .001) and initiating hemodialysis treatment with an arteriovenous fistula (2430 [15.8%] pre-COVID-19 vs 914 [13.4%] during COVID-19; P < .001). The mean (SD) eGFR at initiation declined from 9.6 (5.0) mL/min/1.73 m2 to 9.5 (4.9) mL/min/1.73 m2 during the pandemic (P < .001). In stratified analyses by race/ethnicity, these declines were exclusively observed among non-Hispanic Black patients (mean [SD] eGFR: 8.4 [4.6] mL/min/1.73 m2 pre-COVID-19 vs 8.1 [4.5] mL/min/1.73 m2 during COVID-19; P < .001). There were significant declines in eGFR at initiation for patients residing in counties in the highest quintile of COVID-19 mortality rates (9.5 [5.0] mL/min/1.73 m2 pre-COVID-19 vs 9.2 [5.0] mL/min/1.73 m2 during COVID-19; P < .001), but not for patients residing in other counties. The number of patients initiating treatment for incident kidney failure was approximately 30% lower than projected in April 2020. Conclusions and Relevance In this cross-sectional study of US adults, the COVID-19 pandemic was associated with a substantially lower number of patients initiating treatment for incident kidney failure and treatment initiation at lower levels of kidney function during the first 4 months, particularly for Black patients and people living in counties with high COVID-19 mortality rates.
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Lee YJ, Heo CM, Park S, Kim YW, Park JH, Kim IH, Ko J, Park BS. Top 100 cited articles on hemodialysis: A bibliometric analysis. Medicine (Baltimore) 2021; 100:e27237. [PMID: 34559120 PMCID: PMC10545359 DOI: 10.1097/md.0000000000027237] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 07/23/2021] [Accepted: 08/24/2021] [Indexed: 11/26/2022] Open
Abstract
INTRODUCTION This study was conducted to better understand hemodialysis by reviewing the most-cited articles related to it. METHODS We searched articles on the Web of Science and selected the 100 most frequently cited articles. Subsequently, we reviewed these articles and identified their characteristics. RESULTS The 100 most frequently cited articles were published in 21 journals. The majority of these papers were published in the following journals: Kidney International (26 articles), New England Journal of Medicine (18 articles), Journal of the American Society of Nephrology (14 articles), and the American Journal of Kidney Disease (13 articles). The 100 most-cited articles were published in 25 countries. The United States of America was the country with the highest number of publications (65 articles). The University of Michigan was the institution with the highest number of articles (14 articles). FK Port was the author with the largest number of publications (13 articles). CONCLUSIONS This is the first study in the field of nephrology that provides a list of the 100 most-cited articles on hemodialysis. Through this study, clinicians will be able to recognize major academic interests and research trends in hemodialysis.
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Aono T, Shinya Y, Miyawaki S, Sugiyama T, Kumagai I, Takenobu A, Shin M, Saito N, Teraoka A. Changes in the Risk of Stroke in Dialysis Patients: A Retrospective Analysis over the Last 40 Years. Toxins (Basel) 2021; 13:350. [PMID: 34068165 PMCID: PMC8170903 DOI: 10.3390/toxins13050350] [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] [Received: 04/21/2021] [Revised: 05/06/2021] [Accepted: 05/11/2021] [Indexed: 11/17/2022] Open
Abstract
The stroke incidence in hemodialysis (HD) patients is high, but the associated factors remain largely unknown. This study aimed to analyze stroke incidence in HD patients and changes in risk factors. Data of 291 patients were retrospectively analyzed. The cumulative stroke incidences were 21.6% at 10 years and 31.5% at 20. Diabetic nephropathy (DN) significantly increased overall stroke (hazard ratio (HR), 2.24; 95% confidence interval (CI), 1.21-4.12; p = 0.001) and ischemic stroke (HR, 2.16; 95% CI, 1.00-4.64; p = 0.049). Patients treated with online HDF were less likely to have overall stroke (HR, 0.13; 95% CI, 0.03-0.56; p = 0.006) and ischemic stroke (HR, 0.08; 95% CI, 0.01-0.60; p = 0.014). DN (HR, 1.56; 95% CI, 1.08-2.27; p = 0.019) and age >80 years at HD initiation (20-49 years old; HR 0.13, 95% CI, 0.05-0.35, p < 0.001 and age 50-79 years; HR 0.42, 95% CI, 0.26-0.66, p < 0.001 (reference: age >80 years)) were significantly associated with stroke and/or death events. Over time, stroke risk increased in HD patients, due to the increasing number of DN. Although dialysis technology has advanced over time, these advances could not overcome other risk factors for stroke. Further increase in stroke and mortality due to aging remains a concern.
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Sörgel F, Malin JJ, Hagmann H, Kinzig M, Bilal M, Eichenauer DA, Scherf-Clavel O, Simonis A, El Tabei L, Fuhr U, Rybniker J. Pharmacokinetics of remdesivir in a COVID-19 patient with end-stage renal disease on intermittent haemodialysis. J Antimicrob Chemother 2021; 76:825-827. [PMID: 33251541 PMCID: PMC7799013 DOI: 10.1093/jac/dkaa500] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Accepted: 11/09/2020] [Indexed: 12/21/2022] Open
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Sahay M, Jasuja S, Wai TSC, Alexander S, Jha V, Vachharajani T, Mostafi M, Pisharam JK, Jacob C, Gunawan A, Leong GB, Thwin KT, Agrawal RK, Vareesangthip K, Tanchanco R, Choong L, Herath C, Lin CC, Cuong NT, Haian HP, Akhtar SF, Alsahow A, Rana DS, Rajapurkar MM, Kher V, Verma S, Ramachandran R, Bhargava V, Puri S, Sagar G, Bahl A, Mandal S, Gupta A, Gallieni M. Aetiology, practice patterns and burden of end-stage kidney disease in South Asia and South-East Asia: A questionnaire-based survey. Nephrology (Carlton) 2021; 26:142-152. [PMID: 33169890 PMCID: PMC7615902 DOI: 10.1111/nep.13825] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 10/11/2020] [Accepted: 10/16/2020] [Indexed: 11/28/2022]
Abstract
AIM There is paucity of data on the epidemiology of end-stage kidney disease (ESKD) from South Asia and South-East Asia. The objective of this study was to assess the aetiology, practice patterns and disease burden and growth of ESKD in the region comparing the economies. METHODS The national nephrology societies of the region; responded to the questionnaire; based on latest registries, acceptable community-based studies and society perceptions. The countries in the region were classified into Group 1 (High|higher-middle-income) and Group 2 (lower|lowermiddle income). Student t-test, Mann-Whitney U test and Fisher's exact test were used for comparison. RESULTS Fifteen countries provided the data. The average incidence of ESKD was estimated at 226.7 per million population (pmp), (Group 1 vs. Group 2, 305.8 vs. 167.8 pmp) and average prevalence at 940.8 pmp (Group 1 vs. Group 2, 1306 vs. 321 pmp). Group 1 countries had a higher incidence and prevalence of ESKD. Diabetes, hypertension and chronic glomerulonephritis were most common causes. The mean age in Group 2 was lower by a decade (Group 1 vs. Group 2-59.45 vs 47.7 years). CONCLUSION Haemodialysis was the most common kidney replacement therapy in both groups and conservative management of ESKD was the second commonest available treatment option within Group 2. The disease burden was expected to grow >20% in 50% of Group 1 countries and 78% of Group 2 countries along with the parallel growth in haemodialysis and peritoneal dialysis.
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Pizarro-Sánchez MS, Avello A, Mas-Fontao S, Stock da Cunha T, Goma-Garcés E, Pereira M, Ortíz A, González-Parra E. Clinical Features of Asymptomatic SARS-CoV-2 Infection in Hemodialysis Patients. Kidney Blood Press Res 2021; 46:126-134. [PMID: 33503627 PMCID: PMC7900451 DOI: 10.1159/000512535] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 10/24/2020] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND CKD is a risk factor for severe COVID-19. However, the clinical spectrum of COVID-19 in hemodialysis patients is still poorly characterized. OBJECTIVE To analyze the clinical spectrum of COVID-19 on hemodialysis patients. METHOD A retrospective observational study was conducted on 66 hemodialysis patients. Nasopharyngeal swab PCR and serology for SARS-CoV-2, blood analysis, chest radiography, treatment, and outcomes were assessed. RESULTS COVID-19 was diagnosed in 50 patients: 38 (76%) were PCR-positive and 12 (24%) were PCR-negative but developed anti-SARS-CoV-2 antibodies. By contrast, 17% of PCR-positive patients failed to develop detectable antibodies against SARS-CoV-2. Among PCR-positive patients, 5/38 (13%) were asymptomatic, while among PCR-negative patients 7/12 (58%) were asymptomatic (p = 0.005) for a total of 12/50 (24%) asymptomatic patients. No other differences were found between PCR-positive and PCR-negative patients. No differences in potential predisposing factors were found between asymptomatic and symptomatic patients except for a lower use of ACE inhibitors among asymptomatic patients. Asymptomatic patients had laboratory evidence of milder disease such as higher lymphocyte counts and oxygen saturation and lower troponin I and interleukin-6 levels than symptomatic patients. Overall mortality was 7/50 (14%) and occurred only in symptomatic PCR-positive patients in whom mortality was 7/33 (21%). CONCLUSIONS Asymptomatic SARS-CoV-2 infection is common in hemodialysis patients, especially among patients with initial negative PCR that later seroconvert. Thus COVID-19 mortality in hemodialysis patients may be lower than previously estimated based on PCR tests alone.
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Xie J, Li X, Chen Y, Chen M, Mao N, Fan J. Efficacy and safety of evocalcet in treatment of secondary hyperparathyroidism in chronic kidney disease on hemodialysis patients: A protocol for a systematic review and meta-analysis. Medicine (Baltimore) 2020; 99:e22566. [PMID: 33181644 PMCID: PMC7668479 DOI: 10.1097/md.0000000000022566] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Secondary hyperparathyroidism (SHPT) have been associated with poor health outcomes in hemodialysis patients. The cinacalcet has popularized in clinic which has efficacy but more adverse events; the novel oral calcimimetic agents evocalcet has appeared in recent years. However, it is currently unknown whether evocalcet produces more beneficial effects and fewer adverse events in patients with SHPT. The aim of this systematic review is to estimate the safety and efficacy of evocacelt. METHODS Only randomized controlled trials (RCT) will be included in MEDLINE, EMBASE, the Cochrane Register of Controlled Trials, and PUBMED from July 2010 to July 2020. Two reviewers will screen, select studies, extract data, and assess quality independently. The methodological quality including the risk of bias of the included studies will be evaluated using a modified assessment form, which is based on Cochrane assessment tool. Review Manager 5.3 software will be used for heterogeneity assessment, generating funnel-plots, data synthesis, subgroup analysis, and sensitivity analysis. We will use GRADE system to evaluate the quality of our evidence. RESULTS We will provide some more practical and targeted results investigating the effect and safety of evocalcet for SHPT on hemodialysis in the current meta-analysis. CONCLUSION The stronger evidence about evocalcet effect and safety will be provided for clinicians and policymakers. ETHICS AND DISSEMINATION Ethical approval will be unnecessary because the data being included in this systematic review come from published literature and there will be no concerns regarding privacy. Findings of this research will be disseminated in a peer-reviewed journal or conference presentations. OSF REGISTRATION NUMBER DOI 10.17605/OSF.IO/N59RB.
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Zhu B, Shen J, Jiang R, Jin L, Zhan G, Liu J, Sha Q, Xu R, Miao L, Yang C. Abnormalities in gut microbiota and serum metabolites in hemodialysis patients with mild cognitive decline: a single-center observational study. Psychopharmacology (Berl) 2020; 237:2739-2752. [PMID: 32601991 DOI: 10.1007/s00213-020-05569-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Accepted: 05/20/2020] [Indexed: 02/08/2023]
Abstract
RATIONALE Although a growing body of evidence indicates that the scores of cognitive function in hemodialysis patients are significantly lower than those of healthy individuals, underlying mechanisms have not been fully elucidated. OBJECTIVES To investigate the roles of gut microbiota and serum metabolites in hemodialysis patients with mild cognitive decline (MCD). METHODS A total of 30 healthy individuals and 77 hemodialysis patients were enrolled and were classified into healthy control (HC), normal cognitive function (NCF), and MCD groups by evaluation of Montreal Cognitive Assessment. Fecal samples were analyzed by 16S rRNA and serum samples were analyzed by gas chromatography-mass spectrometry from all subjects. RESULTS The 16S rRNA study demonstrated that the gut microbiota profiles, including α- and β-diversity, and a number of 16 gut bacteria were significantly altered in the MCD group compared with those in HC or those with NCF. A metabonomics study showed that a total of 29 serum metabolites were altered in the MCD group. Receiver operating characteristic curves showed that Genus Bilophila and serum putrescine might be sensitive biomarkers to indicate MCD in patients with hemodialysis. CONCLUSIONS These findings demonstrate gut microbiota and serum metabolites were probably involved in the pathogenesis of hemodialysis-related MCD. Therapeutic strategies targeting abnormalities in gut microbiota and serum metabolites may facilitate the beneficial effects for hemodialysis patients with MCD.
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Perna AF, Capolongo G, Trepiccione F, Simeoni M, Zacchia M, Ingrosso D. COVID-19, Low-Molecular-Weight Heparin, and Hemodialysis. Kidney Blood Press Res 2020; 45:357-362. [PMID: 32450560 PMCID: PMC7316655 DOI: 10.1159/000508460] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Accepted: 04/30/2020] [Indexed: 11/19/2022] Open
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Dai L, Lu C, Liu J, Li S, Jin H, Chen F, Xue Z, Miao C. Impact of twice- or three-times-weekly maintenance hemodialysis on patient outcomes: A multicenter randomized trial. Medicine (Baltimore) 2020; 99:e20202. [PMID: 32443343 PMCID: PMC7253701 DOI: 10.1097/md.0000000000020202] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
AIM Maintenance hemodialysis (MHD) frequency is associated with survival and complication rates. Achieving the optimal balance between healthcare, quality of life (QOL), and medical costs is challenging. We compared complications, inflammatory status, nutritional status, and QOL between patients with different MHD frequencies. MATERIAL AND METHODS This was a multicenter randomized trial of patients treated between May 2011 and August 2017 at 3 tertiary hospitals in Wenzhou. Patients were grouped according to their treatment schedule over 1 year: twice-weekly or 3-times-weekly. Complications, biochemistry parameters, and QOL (KDQOL-SFTM 1.3 scale) were assessed. RESULTS One hundred forty patients were included aged 29 to 68 years (mean age, 50.9 ± 4.3 years). There were no significant differences in infection, heart failure, or cerebral hemorrhage complications between the 2 groups (P = .664). Pre-dialysis hemoglobin, high-sensitivity C-reactive protein, serum albumin, total cholesterol, triglyceride, calcium, phosphate, parathyroid hormone, and ejection fraction were similar in both groups (P > .05). After 1 year of MHD, both groups exhibited significant improvements in these parameters (all P < .05) with no significant differences between groups. Serum creatinine, blood urea nitrogen (BUN), and weekly standard hemodialysis treatment adequacy did not improve after treatment (all P > .05), although a difference in BUN was observed between the 2 groups (P < .001). QOL was superior in the twice-weekly group than in the 3-times-weekly group (all P < .05), except for social support, which was slightly better in the 3-times-weekly group than in the twice-weekly group. CONCLUSIONS Twice- and 3-times-weekly MHD resulted in comparable inflammatory and nutritional clinical outcomes and adverse events. QOL was better for the twice-weekly schedule. Even for patients with economic constraints, twice- or 3-times-weekly MHD should be selected with caution after consideration of BUN levels at baseline.
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Janahi EM, Parkar SFD, Mustafa S, Eisa ZM. Implications of Hepatitis E Virus in Blood Transfusions, Hemodialysis, and Solid Organ Transplants. MEDICINA (KAUNAS, LITHUANIA) 2020; 56:E206. [PMID: 32344807 PMCID: PMC7279256 DOI: 10.3390/medicina56050206] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 04/19/2020] [Accepted: 04/21/2020] [Indexed: 01/05/2023]
Abstract
Hepatitis E Virus (HEV) is emerging as the primary cause of acute viral hepatitis in humans. The virus is commonly transmitted by the fecal-oral route via contaminated water in endemic regions or through the consumption of inadequately cooked swine products or game meats in industrialized regions. HEV genotypes 1 and 2 are predominantly associated with waterborne transmission in developing countries, whereas HEV3 and HEV4 are mainly zoonotically transmitted in industrialized countries. Seroprevalence in populations determined by detecting anti-HEV antibodies and serum HEV RNA is commonly used to analyze the presence of HEV. Although HEV RNA-based detection is now standardized, there is a lack of agreement between the assaying methods used for gathering seroprevalence data. Since 2004, HEV has been considered as a transmissible infectious agent through blood transfusion. Recent seroprevalence studies in European countries indicate an underestimated risk for blood transfusion and hence warrant testing the blood supply. HEV infection is usually self-limiting and spontaneously cleared. However, in about 60% of recipients of solid organ transplants, HEV progresses to chronic hepatitis. Immunosuppressive drugs such as tacrolimus are a major cause of chronic hepatitis and reducing its dosage results in viral clearance in about 30% of patients. In hemodialysis patients, the parenteral route is implicated as an important mechanism of transmission. In this review, we explore the clinical and epidemiological characteristics of various HEV genotypes in blood donors, hemodialysis patients, and transplant recipients.
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Hoffman A, Sloan CE, Maciejewski ML, Wang V. Medicare Enrollment Among Patients With End-Stage Kidney Disease Receiving Dialysis in Outpatient Facilities Between 2005 and 2016. JAMA 2020; 323:1314-1316. [PMID: 32259222 PMCID: PMC7139269 DOI: 10.1001/jama.2020.0704] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
This study characterizes annual changes in enrollment of Medicare and non-Medicare patients treated at dialysis facilities before and after 2011 payment reforms and 2014 Affordable Care Act changes that influenced reimbursements.
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Luo J, Fan JB, Wang S. Recent Progress of Microfluidic Devices for Hemodialysis. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e1904076. [PMID: 31535786 DOI: 10.1002/smll.201904076] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 08/31/2019] [Indexed: 06/10/2023]
Abstract
Microfluidic hemodialysis techniques have recently attracted great attention in the treatment of kidney disease due to their advantages of portability and wearability as well as their great potential for replacing clinical hospital-centered blood purification with continuous in-home hemodialysis. This Review summarizes the recent progress in microfluidic devices for hemodialysis. First, the history of kidney-inspired hemodialysis is introduced. Then, recent achievements in the preparation of microfluidic devices and hemodialysis nanoporous membrane materials are presented and categorized. Subsequently, attention is drawn to the recent progress of nanoporous membrane-based microfluidic devices for hemodialysis. Finally, the challenges and opportunities of hemodialysis microfluidic devices in the future are also discussed. This Review is expected to provide a comprehensive guide for the design of hemodialysis microfluidic devices that are closely related to clinical applications.
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Nafar M, Aghighi M, Dalili N, Alipour Abedi B. Perspective of 20 Years Hemodialysis Registry in Iran, on the Road to Progress. IRANIAN JOURNAL OF KIDNEY DISEASES 2020; 14:95-101. [PMID: 32165593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Accepted: 02/29/2020] [Indexed: 06/10/2023]
Abstract
End-stage renal disease (ESRD) is a foremost health issue with major consequences in various parts of the world. In Iran, the prevalence/incidence of ESRD has increased during the past decades. The economic burden of ESRD treatment on patients, their families, and the whole healthcare system is huge as well. Hence ESRD is considered emerging public health problem in developing countries, including Iran, requiring short- and longterm changes in healthcare policies. Developing a national registry system for dialysis patients in Iran now enables us to summarize certain clinical characteristics of these patients and compares the present situation with the late 1990s when dialysis services just began to expand in the country. In this paper, the authors provide information regarding the process of establishing dialysis registry in Iran along with the report of the output of such a registry. Focusing on such an important measure in the whole country of around along with the data that it has produced is a gateway to further progress.
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Wieliczko M, Zawierucha J, Covic A, Prystacki T, Marcinkowski W, Małyszko J. Eco-dialysis: fashion or necessity. Int Urol Nephrol 2020; 52:519-523. [PMID: 32008203 PMCID: PMC7060957 DOI: 10.1007/s11255-020-02393-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Accepted: 01/16/2020] [Indexed: 11/28/2022]
Abstract
Hemodialysis (HD) is one of the resource hungry medical interventions. A huge volume of water (about 500 L) and significant amounts of energy (over 7 kW) are used for a hemodialysis session; over a kilogram of waste is produced during this procedure. Thus, HD contributes to global warming while saving patients' lives. In this paper, we showed these crucial points in HD treatment and possible ways (e.g. modifications in dialysate flow rate) to reduce environmental impact maintaining therapy standards.
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Santoro A. [Italian nephrology and the progress of dialysis from its dawn to the present day]. GIORNALE ITALIANO DI NEFROLOGIA : ORGANO UFFICIALE DELLA SOCIETA ITALIANA DI NEFROLOGIA 2020; 37:37-01-2020-1. [PMID: 32068355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
In Italy, over the last 50 years, dialysis has been the driving force of research in nephrology. The work of many Italian nephrologists has fueled progress in dialytic techniques worldwide, improving dramatically the quality of dialytic therapy. Our foreign colleagues unanimously agree that we have been the first to look into the complexities of dialysis, into the many differences between dialytic patients and how to best address this diversity. This has allowed us to adopt a holistic approach, deeply connected to technological innovation, with the aim of putting the patient center stage and creating a "precision dialysis".
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Esposito P, Battaglia Y, La Porta E, Grignano MA, Caramella E, Avella A, Peressini S, Sessa N, Albertini R, Di Natali G, Lisi C, Gregorini M, Rampino T. Significance of serum Myostatin in hemodialysis patients. BMC Nephrol 2019; 20:462. [PMID: 31829144 PMCID: PMC6907124 DOI: 10.1186/s12882-019-1647-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Accepted: 11/28/2019] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Malnutrition and muscle wasting are common in haemodialysis (HD) patients. Their pathogenesis is complex and involves many molecules including Myostatin (Mstn), which acts as a negative regulator of skeletal muscle. The characterisation of Mstn as a biomarker of malnutrition could be useful in the prevention and management of this condition. Previous studies have reported no conclusive results on the actual relationship between serum Mstn and wasting and malnutrition. So, in this study, we evaluated Mstn profile in a cohort of regular HD patients. METHODS We performed a cross-sectional study, enrolling 37 patients undergoing bicarbonate-HD (BHD) or haemodiafiltration (HDF) at least for six months. 20 sex-matched healthy subjects comprised the control group. Mstn serum levels were evaluated by ELISA before and after HD. We collected clinical and biochemical data, evaluated insulin resistance, body composition, malnutrition [by Malnutrition Inflammation Score (MIS)] and tested muscle function (by hand-grip strength, six-minute walking test and a questionnaire on fatigue). RESULTS Mstn levels were not significantly different between HD patients and controls (4.7 ± 2.8 vs 4.5 ± 1.3 ng/ml). In addition, while a decrease in Mstn was observed after HD treatment, there were no differences between BHD and HDF. In whole group of HD patients Mstn was positively correlated with muscle mass (r = 0.82, p < 0.001) and inversely correlated with age (r = - 0.63, p < 0.01) and MIS (r = - 0.39, p = 0.01). No correlations were found between Mstn and insulin resistance, such as between Mstn levels and parameters of muscle strength and fatigue. In multivariate analysis, Mstn resulted inversely correlated with fat body content (β = - 1.055, p = 0.002). CONCLUSIONS Circulating Mstn is related to muscle mass and nutritional status in HD patients, suggesting that it may have a role in the regulation of skeletal muscle and metabolic processes. However, also considering the lack of difference of serum Mstn between healthy controls and HD patients and the absence of correlations with muscle function tests, our findings do not support the use of circulating Mstn as a biomarker of muscle wasting and malnutrition in HD.
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Chen Z, Lee BJ, McCulloch CE, Burrows NR, Heung M, Hsu RK, Pavkov ME, Powe NR, Saran R, Shahinian V, Hsu CY. The relation between dialysis-requiring acute kidney injury and recovery from end-stage renal disease: a national study. BMC Nephrol 2019; 20:342. [PMID: 31477040 PMCID: PMC6720077 DOI: 10.1186/s12882-019-1483-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 07/22/2019] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND Approximately 4-6% of incident end stage renal disease (ESRD) patients in the U.S. recover enough kidney function to discontinue dialysis but there is considerable geographic variation. We undertook this study to investigate whether state-level variations in renal recovery among incident ESRD patients correlated with state-level variations in incidence of acute kidney injury requiring dialysis (AKI-D). METHODS We conducted a national cross-sectional ecological study at the state-level using data from State Inpatient Databases and U.S. Renal Data System. All hospital admissions and all ESRD patients in 18 US states (AZ, AR, CA, FL, IA, KY, MA, MD, MI, NJ, NM, NY, NV, OR, RI, SC, VT, and WA) were included. Correlation between AKI-D incidence and rate of renal recovery across states was determined using Pearson's r (overall and in subgroups). We also calculated partial correlations adjusted for sex and age. RESULTS AKI-D incidence ranged from 99.0 per million population (pmp) in Vermont to 490.4 pmp in Nevada. Rate of renal recovery among incident ESRD patients ranged from 8.8 pmp in Massachusetts to 29.3 pmp in Florida. A positive correlation between AKI-D incidence and rate of renal recovery among incident ESRD patients at state level was found overall (unadjusted r = 0.67; p = 0.002) and in age, sex, and race subgroups. The overall correlation persisted after adjusting for age (adjusted r = 0.62; p < 0.001) and sex (adjusted r = 0.65; p < 0.001). CONCLUSION Our findings suggest that AKI-D incidence is an important driver of renal recovery rates among incident ESRD patients.
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Weinhandl ED, Ray D, Kubisiak KM, Collins AJ. Contemporary Trends in Clinical Outcomes among Dialysis Patients with Medicare Coverage. Am J Nephrol 2019; 50:63-71. [PMID: 31203279 DOI: 10.1159/000500943] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Accepted: 04/30/2019] [Indexed: 11/19/2022]
Abstract
BACKGROUND The dialysis patient population in the United States continues to grow. Trends in rates of death and hospitalization among dialysis patients have important consequences for outpatient dialysis capacity and Medicare spending. OBJECTIVES To estimate contemporary trends in rates of death and hospitalization among dialysis patients in the United States, overall and within subgroups. METHODS We used Medicare Limited Data Sets (100% sample) in 2014-2017 to estimate trends in rates of death and hospitalization among dialysis patients with Medicare Parts A and B enrollment. We used seasonal autoregressive integrated moving average models to identify secular trends in the incidence of outcomes. RESULTS There were 631,075 unique patients; 222,924 deaths; and 1,876,779 hospital admissions. Weekly risks of both death and hospitalization exhibited strong seasonality. However, overall weekly risks of death were 34.9, 35.4, 35.2, and 35.7 deaths per 10,000 patients in 2014-2017, respectively (p = 0.47, from a likelihood ratio test of secular trend). The overall weekly risk of hospitalization was 3.08, 3.05, 3.11, and 3.11% in 2014, 2015, 2016, and 2017, respectively (p = 0.30). There were significant secular trends in risk of death in subgroups defined by black race and residency in South Atlantic states (p < 0.05). There were also secular trends in risk of hospitalization in subgroups defined by age 20-44 years, concurrent enrollment in Medicaid, and residency in South Central states. CONCLUSION For the first time since the beginning of this century, rates of both death and hospitalization among dialysis patients with Medicare fee-for-service coverage have stagnated. The reasons for this change are unknown and require detailed assessment. Persistent lack of change in clinical outcomes may alter the future expectations about dialysis patient population growth.
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Coventry LL, Hosking JM, Chan DT, Coral E, Lim WH, Towell-Barnard A, Twigg DE, Rickard CM. Variables associated with successful vascular access cannulation in hemodialysis patients: a prospective cohort study. BMC Nephrol 2019; 20:197. [PMID: 31151432 PMCID: PMC6544962 DOI: 10.1186/s12882-019-1373-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Accepted: 05/06/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Successful vascular access (VA) cannulation is integral to the delivery of adequate dialysis, highlighting the importance of ensuring the viability of arteriovenous access in hemodialysis (HD) patients. Missed VA cannulation can lead to infection, infiltration, hematoma or aneurysm formation resulting in the need for access revision, central venous catheter (CVC) placement, or permanent loss of VA. Cannulation-related complications can also negatively impact on a patient's dialysis experience and quality of life. This study aimed to identify patient, VA and nurse factors associated with unsuccessful VA cannulations. METHODS A prospective cohort study was conducted in HD patients with a permanent VA from three HD units. Data on patient, VA and nurse characteristics, plus, cannulation technique were collected for each episode of cannulation. General Estimating Equation was used to fit a repeated measures logistic regression to determine the odds of cannulation success. RESULTS We collected data on 1946 episodes of cannulation (83.9% fistula) in 149 patients by 63 nurses. Cannulation included use of tourniquet (62.9%), ultrasound (4.1%) and was by rope ladder (73.8%) or area (24.7%) technique. The miscannulation rate was 4.4% (n = 85) with a third of patients (n = 47) having at least one episode of miscannulation. Extravasation (n = 17, 0.9%) and use of an existing CVC (n = 6, 0.6%) were rare. Multivariable characteristics of successful cannulation included fistula compared with graft [OR 4.38; 95%CI, 1.89-10.1]; older access [OR 1.68; 95%CI, 1.32-2.14]; absence of stent [OR 3.37; 95%CI, 1.39-8.19]; no ultrasound [OR 13.7; 95%CI, 6.52-28.6]; no tourniquet [OR 2.32; 95%CI, 1.15-4.66]; and lack of post graduate certificate in renal nursing [OR 2.27; 95%CI, 1.31-3.93]. CONCLUSION This study demonstrated a low rate of miscannulation. Further research is required on ultrasound-guided cannulation. Identifying variables associated with successful cannulation may be used to develop a VA cannulation complexity instrument that could be utilised to match to the cannulation skill of a competency-assessed nurse, thereby minimising the risk of missed cannulation and trauma.
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Chang HM, Chou YC, Jou IM, Yang JM, Ma CH, Wu PT. Clinical outcomes in distal radial fractures with ipsilateral arteriovenous fistulas. J Orthop Surg Res 2019; 14:143. [PMID: 31118080 PMCID: PMC6532144 DOI: 10.1186/s13018-019-1171-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2018] [Accepted: 04/26/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND We evaluated the effects on arteriovenous fistula (AVF) function and clinical outcomes in patients given cast fixation, external skeletal fixation [ESF], or volar locking plate fixation [VLPF] for an ipsilateral distal radial fracture (DRF). METHODS Thirteen patients were assigned to the surgery group or the cast group; follow-up was ≥12 months. One-year clinical outcomes and serial AVF function and radiographic outcomes were recorded and analyzed. RESULTS All fractures were union and all AVFs were preserved with continuous hemodialysis. The surgery group had better immediately (radial inclination and articular step-off) and 1-year post-index procedure radiographic findings (radial height, radial inclination, volar tilting, ulnar variance, and articular step-off) and better 1-year functional outcomes (Mayo and QuickDASH score) than did the cast group. The VLPF subgroup had better QuickDASH scores and radiographic outcomes (radial inclination and ulnar variance) than did the ESF subgroup. CONCLUSIONS One year after the index procedure, none of the treatment affected shunt function in DRFs ipsilateral to AVFs. ESF and VLPF yielded better functional and radiographic outcomes than did cast fixation in patients with ipsilateral DRFs and AVFs. LEVEL OF EVIDENCE III.
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Taborelli M, Toffolutti F, Del Zotto S, Clagnan E, Furian L, Piselli P, Citterio F, Zanier L, Boscutti G, Serraino D. Increased cancer risk in patients undergoing dialysis: a population-based cohort study in North-Eastern Italy. BMC Nephrol 2019; 20:107. [PMID: 30922296 PMCID: PMC6437907 DOI: 10.1186/s12882-019-1283-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 03/07/2019] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND In southern Europe, the risk of cancer in patients with end-stage kidney disease receiving dialysis has not been well quantified. The aim of this study was to assess the overall pattern of risk for de novo malignancies (DNMs) among dialysis patients in the Friuli Venezia Giulia region, north-eastern Italy. METHODS A population-based cohort study among 3407 dialysis patients was conducted through a record linkage between local healthcare databases and the cancer registry (1998-2013). Person-years (PYs) were calculated from 30 days after the date of first dialysis to the date of DNM diagnosis, kidney transplant, death, last follow-up or December 31, 2013, whichever came first. The risk of DNM, as compared to the general population, was estimated using standardized incidence ratios (SIRs) and 95% confidence intervals (CIs). RESULTS During 10,798 PYs, 357 DNMs were diagnosed in 330 dialysis patients. A higher than expected risk of 1.3-fold was found for all DNMs combined (95% CI: 1.15-1.43). The risk was particularly high in younger dialysis patients (SIR = 1.88, 95% CI: 1.42-2.45 for age 40-59 years), and it decreased with age. Moreover, significantly increased DNM risks emerged during the first 3 years since dialysis initiation, especially within the first year (SIR = 8.52, 95% CI: 6.89-10.41). Elevated excess risks were observed for kidney (SIR = 3.18; 95% CI: 2.06-4.69), skin non-melanoma (SIR = 1.81, 95% CI: 1.46-2.22), oral cavity (SIR = 2.42, 95% CI: 1.36-4.00), and Kaposi's sarcoma (SIR = 10.29, 95% CI: 1.25-37.16). CONCLUSIONS The elevated risk for DNM herein documented suggest the need to implement a targeted approach to cancer prevention and control in dialysis patients.
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Omari AM, Omari LS, Dagash HH, Sweileh WM, Natour N, Zyoud SH. Assessment of nutritional status in the maintenance of haemodialysis patients: a cross-sectional study from Palestine. BMC Nephrol 2019; 20:92. [PMID: 30876391 PMCID: PMC6420767 DOI: 10.1186/s12882-019-1288-z] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Accepted: 03/10/2019] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Protein-energy wasting (PEW) is a relatively prevalent problem among adult haemodialysis patients (HDP). PEW is an important determinant of morbidity and mortality in HDP, therefore it is essential for dietitians to accurately assess malnutrition (MN) in these patients. HDP appear to be more susceptible to developing MN; however, this is not well documented. Therefore this study aimed to assess the nutritional status among HDP and to establish the factors associated with MN in these patients. METHODS A cross-sectional survey was carried out in Nablus, northern West Bank, in the main haemodialysis (HD) centre at the An-Najah National University Hospital. MN was detected using the malnutrition-inflammation scale (MIS), which involved four major elements: the patient's related medical history, their body mass index, a physical examination and laboratory parameters. RESULTS A total of 174 patients (91 male) were included in the study. Patients were aged 57.7 ± 12.8 years, and the median dialysis vintage was 3 years (interquartile range 1-5 years). HDP, especially the elderly (unstandardized coefficient β, 1.728; 95% CI, 0.700 to 2.756; P = 0.001), those with multiple comorbid diseases (unstandardized coefficient β, 1.673; 95% CI, 0.556 to 2.789; P = 0.004); those taking multiple chronic medications (unstandardized coefficient β, 1.259; 95% CI, 0.197 to 2.321; P = 0.020), or those with a long dialysis vintage (unstandardized coefficient β, 1.449; 95% CI, 0.410 to 2.487; P = 0.007), were positively associated with the MIS score in a multivariable linear regression model. Furthermore, HDP living with their family were negatively associated with the MIS score (unstandardized coefficient β, - 2.545; 95% CI, - 4.738 to - 0.352; P = 0.023). CONCLUSIONS The MIS score results indicate that MN is prevalent among HDP. These results demonstrate some correlations between nutritional status and patient characteristics (i.e. clinical and sociodemographic factors). Therefore these findings should help to increase the awareness of healthcare providers for interventions to enhance the nutritional status of HDP, especially those who are elderly, have multiple comorbid diseases, have multiple chronic medications, have experienced a long dialysis vintage or who live alone.
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