1
|
Alsogair R, Altoub HA, Alsanad M, Alshukr M, AlObaid B, Al Sayyari A, Abdalla M. The Relationship Between C-Reactive Protein (CRP) Concentrations and Erythropoietin Resistance, Hospital Admission Rate, Control of Mineral Metabolism, and Comorbidity in Hemodialysis Patients. Cureus 2023; 15:e48793. [PMID: 38098917 PMCID: PMC10720688 DOI: 10.7759/cureus.48793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/14/2023] [Indexed: 12/17/2023] Open
Abstract
Background End-stage kidney disease patients undergoing hemodialysis are prone to develop inflammation detected by high serum C-reactive protein (CRP) levels. This study highlights the association between CRP and the erythropoietin resistance index, hospital admission rate, control of mineral metabolism, and comorbidities in a tertiary hospital and two dialysis centers in Saudi Arabia. Objectives The objective of the study is to assess the relationship between CRP levels and hemoglobin level, hospital admission rate, mineral metabolism, and comorbidity in hemodialysis patients. Materials and methods This was a cross-sectional study conducted at King Abdulaziz Medical City Dialysis Center and the South and North Dialysis Centers of King Abdullah Dialysis Program in Riyadh. All hemodialysis adult patients who have been on dialysis for over six months were included. Patients with acute illnesses and pediatric patients were excluded. The association between CRP and other variables was reported using the Pearson correlation test. The calculated sample size was 218 by using the Raosoft website; however, the final number we analyzed was 209 after exclusion. Results The prevalence of a high level of CRP was more common among patients with diabetes mellitus (p=0.008) and those who were using antihypertensives (p=0.044) while the prevalence of a high level of CRP was less common among underweight patients (p=0.031) and hepatitis C virus (HCV)-positive patients (p=<0.001). The mean value of Kt/V was significantly lower among patients with a high level of CRP (p=0.009). HCV negative was the only independent significant risk factor associated with high CRP concentration (p=0.006). Conclusions In conclusion, there was an association between CRP levels with BMI, diabetics, the use of antihypertensive medications, and negative or undetectable HCV test results with the latter being the only independent significant factor. These data suggest that patients meeting these characteristics are in an inflammatory state and more prone to develop complications; thus, implementing CPR testing in this population might be useful. Other reviews showing causations are needed to further elucidate.
Collapse
Affiliation(s)
- Reema Alsogair
- Medicine and Surgery, College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, SAU
| | - Haifa A Altoub
- College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, SAU
| | - Meznah Alsanad
- College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, SAU
| | - Malak Alshukr
- College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, SAU
| | - Bashayer AlObaid
- College of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, SAU
| | - Abdulla Al Sayyari
- Rheumatology, King Saud bin Abdulaziz University for Health Sciences, Riyadh, SAU
| | | |
Collapse
|
2
|
Huang Q, You M, Huang W, Chen J, Zeng Q, Jiang L, Du X, Liu X, Hong M, Wang J. Comparative effectiveness and acceptability of HIF prolyl-hydroxylase inhibitors versus for anemia patients with chronic kidney disease undergoing dialysis: a systematic review and network meta-analysis. Front Pharmacol 2023; 14:1050412. [PMID: 37521459 PMCID: PMC10374033 DOI: 10.3389/fphar.2023.1050412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 06/19/2023] [Indexed: 08/01/2023] Open
Abstract
Background: The comparative benefits and acceptability of HIF-PHIs for treating anemia have not been well researched to date. We sought to compare the effectiveness of 6 HIF-PHIs and 3 ESAs for the treatment of renal anemia patients undergoing dialysis. Data sources: Cochrane Central Register of Controlled Trials, PubMed, Embase, Cochrane Library, MEDLINE, Web of Science, and clinicaltrials.gov databases. Results: Twenty-five RCTs (involving 17,204 participants) were included, all of which were designed to achieve target Hb levels by adjusting thee dose of HIF-PHIs. Regarding the efficacy in achieving target Hb levels, no significant differences were found between HIF-PHIs and ESAs in Hb response at the dose-adjusted designed RCTs selected for comparison. Intervention with roxadustat showed a significantly lower risk of RBC transfusion than rhEPO, with an OR and 95% CI of 0.76 (0.56-0.93). Roxadustat and vadadustat had higher risks of increasing the discontinuation rate than ESAs; the former had ORs and 95% CIs of 1.58 (95% CI: 1.21-2.06) for rhEPO, 1.66 (1.16-2.38) for DPO (darbepoetin alfa), and 1.76 (1.70-4.49) for MPG-EPO, and the latter had ORs and 95% CIs of 1.71 (1.09-2.67) for rhEPO, 1.79 (1.29-2.49) for DPO, and 2.97 (1.62-5.46) for MPG-EPO. No differences were observed in the AEs and SAEs among patients who received the studied drugs. Results of a meta-analysis of gastrointestinal disorders among AEs revealed that vadadustat was less effect on causing diarrea than DPO, with an OR of 0.97 (95% CI, 0.9-0.99). Included HIF-PHIs, were proven to be more effective than ESAs in reducing hepcidin levels and increasing TIBC and serum iron level with OR of -0.17 (95% CI, -0.21 to -0.12), OR of 0.79 (95% CI, 0.63-0.95), and OR of 0.39 (95% CI, 0.33-0.45), respectively. Conclusion: HIF-PHIs and ESAs have their characteristics and advantages in treating anemia undergoing dialysis. With the selected dose-adjusted mode, some HIF-PHIs appeared to be a potential treatment for DD-CKD patients when ompared with rhEPO, due to its effectiveness in decreasing the risk of RBC transfusion rate or regulating iron or lipid metabolism while achieving target Hb levels. Systematic Review Registration: https://www.crd.york.ac.uk/PROSPERO/display_record.php?RecordID=306511; Identifier: CRD42022306511.
Collapse
Affiliation(s)
- Qiong Huang
- Department of Nephropathy, Luohu District Traditional Chinese Medicine Hospital, Shenzhen, China
- Guangzhou University of Chinese Traditional Medicine, Guangzhou, China
| | - Minling You
- Department of Nephropathy, Luohu District Traditional Chinese Medicine Hospital, Shenzhen, China
| | - Weijuan Huang
- Department of Nephropathy, Luohu District Traditional Chinese Medicine Hospital, Shenzhen, China
| | - Jian Chen
- Department of Nephropathy, Luohu District Traditional Chinese Medicine Hospital, Shenzhen, China
| | - Qinming Zeng
- Department of Nephropathy, Luohu District Traditional Chinese Medicine Hospital, Shenzhen, China
| | - Longfeng Jiang
- Department of Nephropathy, Luohu District Traditional Chinese Medicine Hospital, Shenzhen, China
| | - Xiuben Du
- LuoHu Center for Chronic Disease Control, Shenzhen, China
| | - Xusheng Liu
- Guangzhou University of Chinese Traditional Medicine, Guangzhou, China
| | - Ming Hong
- Institute of Advanced Diagnostic and Clinical Medicine, Zhongshan City People’s Hospital, Affiliated Zhongshan Hospital of Sun Yat-sen University, Zhongshan, China
| | - Jing Wang
- Department of Nephropathy, Luohu District Traditional Chinese Medicine Hospital, Shenzhen, China
| |
Collapse
|
3
|
Yu G, Cheng J, Jiang Y, Li H, Li X, Chen J. Serum phosphorus and calcium levels, and kidney disease progression in immunoglobulin A nephropathy. Clin Kidney J 2021; 14:2108-2113. [PMID: 34476094 PMCID: PMC8406074 DOI: 10.1093/ckj/sfab002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 01/06/2021] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Disorders of calcium and phosphorus metabolism have been reported to be associated with all-cause and cardiovascular mortality in patients requiring long-term dialysis therapy. However, its role in disease progression is not well established in patients without dialysis, especially in immunoglobulin A (IgA) nephropathy. We aim to evaluate the association of serum phosphorus and calcium and progression of IgA nephropathy. METHODS We assessed 2567 patients with IgA nephropathy at the First Affiliated Hospital, College of Medicine, Zhejiang University. Serum phosphorus and calcium were collected at the time of kidney biopsy and at each visit. The associations of serum phosphorus and serum calcium with composite kidney disease progression events, defined as 50% estimated glomerular filtration rate (eGFR) decline and kidney failure, were examined using Cox models and restricted cubic splines. RESULTS During a median follow-up of 31.9 months, 248 (10%) patients reached composite kidney disease progression events. A linear relationship was observed between serum phosphorus and composite kidney disease progression events. With higher levels of phosphorus, the risk of kidney disease progression events increased {hazard ratio [HR] 3.54 [95% confidence interval (CI) 1.37-9.12]; P = 0.009}. Compared with the first quartile group, the HR of kidney disease progression events was 1.66 (95% CI 0.91-301) for the second quartile, 1.67 (95% CI 0.91-3.08) for the third and 2.62 (95% CI 1.44-4.77) for the fourth (P for trend = 0.002). The association between serum phosphorus and kidney disease progression was detectable [HR 8.94 (95% CI 2.33-34.21); P = 0.001] within the subgroup with eGFR <60 mL/min/1.73 m2 but not among patients with eGFR ≥60 mL/min/1.73 m2 [HR 0.87 (95% CI 0.17-4.44); P = 0.87]. After adjustment for traditional risk factors, a higher level of serum calcium was not associated with kidney disease progression events [HR 0.33 (95% CI 0.10-1.09)]. CONCLUSIONS Higher serum phosphorus rather than serum calcium was independently associated with kidney disease progression in IgA nephropathy.
Collapse
Affiliation(s)
- Guizhen Yu
- Kidney Disease Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
- Key Laboratory of Kidney Disease Prevention and Control Technology, Zhejiang Province, China
- National Key Clinical Department of Kidney Diseases, Hangzhou, China
- Institute of Nephrology, Zhejiang University, Hangzhou, China
- Third Grade Laboratory under the National State, Administration of Traditional Chinese Medicine, Hangzhou, China
| | - Jun Cheng
- Kidney Disease Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
- Key Laboratory of Kidney Disease Prevention and Control Technology, Zhejiang Province, China
- National Key Clinical Department of Kidney Diseases, Hangzhou, China
- Institute of Nephrology, Zhejiang University, Hangzhou, China
- Third Grade Laboratory under the National State, Administration of Traditional Chinese Medicine, Hangzhou, China
| | - Yan Jiang
- Kidney Disease Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
- Key Laboratory of Kidney Disease Prevention and Control Technology, Zhejiang Province, China
- National Key Clinical Department of Kidney Diseases, Hangzhou, China
- Institute of Nephrology, Zhejiang University, Hangzhou, China
- Third Grade Laboratory under the National State, Administration of Traditional Chinese Medicine, Hangzhou, China
| | - Heng Li
- Kidney Disease Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
- Key Laboratory of Kidney Disease Prevention and Control Technology, Zhejiang Province, China
- National Key Clinical Department of Kidney Diseases, Hangzhou, China
- Institute of Nephrology, Zhejiang University, Hangzhou, China
- Third Grade Laboratory under the National State, Administration of Traditional Chinese Medicine, Hangzhou, China
| | - Xiayu Li
- Kidney Disease Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
- Key Laboratory of Kidney Disease Prevention and Control Technology, Zhejiang Province, China
- National Key Clinical Department of Kidney Diseases, Hangzhou, China
- Institute of Nephrology, Zhejiang University, Hangzhou, China
- Third Grade Laboratory under the National State, Administration of Traditional Chinese Medicine, Hangzhou, China
| | - Jianghua Chen
- Kidney Disease Center, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
- Key Laboratory of Kidney Disease Prevention and Control Technology, Zhejiang Province, China
- National Key Clinical Department of Kidney Diseases, Hangzhou, China
- Institute of Nephrology, Zhejiang University, Hangzhou, China
- Third Grade Laboratory under the National State, Administration of Traditional Chinese Medicine, Hangzhou, China
| |
Collapse
|
4
|
Xu Y, Evans M, Barany P, James G, Sjölander A, Carrero JJ. Factors affecting pre-end-stage kidney disease haemoglobin control and outcomes following dialysis initiation: a nationwide study. Clin Kidney J 2021; 14:1780-1788. [PMID: 34221385 PMCID: PMC8243267 DOI: 10.1093/ckj/sfaa213] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 09/02/2020] [Indexed: 12/13/2022] Open
Abstract
Background Attaining the narrow haemoglobin (Hb) range recommended by European Renal Best Practice Guidelines renal anaemia guidelines may be difficult, and whether this leads to better outcomes following dialysis initiation is not known. Methods This was an observational study from the Swedish Renal Registry 2012–16, including all patients with non-dialysis-dependent chronic kidney disease (CKD) initiating renal anaemia treatment. We evaluated factors associated with off-target Hb attainment (<10 and >12 g/dL). For those who initiated dialysis, we explored associations between the pre-end-stage kidney disease (pre-ESKD) time in which Hb was within or above range, and pre-ESKD Erythropoietin Resistance Index (ERI) with the 1-year risk of death or major adverse cardiovascular events + (MACE+). Results About 5000 patients initiated anaemia treatment, contributing to 25 431 consecutive visits over time. Patients with polycystic kidney disease, diabetic nephropathy and nephrosclerosis, with recent bleeding/transfusion, with higher C-reactive protein or abnormal phosphate had higher odds of maintaining Hb below range. Conversely, patients with older age, CKD Stages 3b–4, pyelonephritis, kidney transplant, iron medication, higher ESA doses or abnormal serum calcium and albumin had higher odds of maintaining Hb above range. A total of 1361 patients initiated dialysis, among whom 220 deaths and 453 MACE+ occurred. A greater time spent with a pre-ESKD Hb >12 g/dL was associated with a lower risk of MACE+ (hazard ratio = 0.76; 95% confidence interval 0.61–0.94) after dialysis initiation, and a lower pre-ESKD Erythropoietin Resistance Index (ERI) was associated with improved survival (1.39; 1.02–1.90). Conclusions Our study identified populations that require additional efforts to control their Hb. Our outcome analysis supports the value of pre-ESKD anaemia care while illustrating the problems of ESA hyporesponsiveness in clinical practice.
Collapse
Affiliation(s)
- Yang Xu
- Medical Epidemiology and Biostatistics, Karolinska Institutet, Solna, Sweden
| | - Marie Evans
- Renal Medicine, Karolinska Institutet, Solna, Sweden
| | - Peter Barany
- Renal Medicine, Karolinska Institutet, Solna, Sweden
| | | | - Arvid Sjölander
- Medical Epidemiology and Biostatistics, Karolinska Institutet, Solna, Sweden
| | - Juan Jesus Carrero
- Medical Epidemiology and Biostatistics, Karolinska Institutet, Solna, Sweden
| |
Collapse
|
5
|
Piccoli GB, Nielsen L, Gendrot L, Fois A, Cataldo E, Cabiddu G. Prescribing Hemodialysis or Hemodiafiltration: When One Size Does Not Fit All the Proposal of a Personalized Approach Based on Comorbidity and Nutritional Status. J Clin Med 2018; 7:E331. [PMID: 30297628 PMCID: PMC6210736 DOI: 10.3390/jcm7100331] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 09/26/2018] [Accepted: 09/26/2018] [Indexed: 12/14/2022] Open
Abstract
There is no simple way to prescribe hemodialysis. Changes in the dialysis population, improvements in dialysis techniques, and different attitudes towards the initiation of dialysis have influenced treatment goals and, consequently, dialysis prescription. However, in clinical practice prescription of dialysis still often follows a "one size fits all" rule, and there is no agreed distinction between treatment goals for the younger, lower-risk population, and for older, high comorbidity patients. In the younger dialysis population, efficiency is our main goal, as assessed by the demonstrated close relationship between depuration (tested by kinetic adequacy) and survival. In the ageing dialysis population, tolerance is probably a better objective: "good dialysis" should allow the patient to attain a stable metabolic balance with minimal dialysis-related morbidity. We would like therefore to open the discussion on a personalized approach to dialysis prescription, focused on efficiency in younger patients and on tolerance in older ones, based on life expectancy, comorbidity, residual kidney function, and nutritional status, with particular attention placed on elderly, high-comorbidity populations, such as the ones presently treated in most European centers. Prescription of dialysis includes reaching decisions on the following elements: dialysis modality (hemodialysis (HD) or hemodiafiltration (HDF)); type of membrane (permeability, surface); and the frequency and duration of sessions. Blood and dialysate flow, anticoagulation, and reinfusion (in HDF) are also briefly discussed. The approach described in this concept paper was developed considering the following items: nutritional markers and integrated scores (albumin, pre-albumin, cholesterol; body size, Body Mass Index (BMI), Malnutrition Inflammation Score (MIS), and Subjective Global Assessment (SGA)); life expectancy (age, comorbidity (Charlson Index), and dialysis vintage); kinetic goals (Kt/V, normalized protein catabolic rate (n-PCR), calcium phosphate, parathyroid hormone (PTH), beta-2 microglobulin); technical aspects including vascular access (fistula versus catheter, degree of functionality); residual kidney function and weight gain; and dialysis tolerance (intradialytic hypotension, post-dialysis fatigue, and subjective evaluation of the effect of dialysis on quality of life). In the era of personalized medicine, we hope the approach described in this concept paper, which requires validation but has the merit of providing innovation, may be a first step towards raising attention on this issue and will be of help in guiding dialysis choices that exploit the extraordinary potential of the present dialysis "menu".
Collapse
Affiliation(s)
- Giorgina Barbara Piccoli
- Néphrologie Centre Hospitalier Le Mans, Avenue Roubillard 196, 72000 Le Mans, France.
- Dipartimento di Scienze Cliniche e Biologiche, University of Torino, Ospedale san Luigi, Regione Gonzole, 10100 Torino, Italy.
| | - Louise Nielsen
- Néphrologie Centre Hospitalier Le Mans, Avenue Roubillard 196, 72000 Le Mans, France.
| | - Lurilyn Gendrot
- Néphrologie Centre Hospitalier Le Mans, Avenue Roubillard 196, 72000 Le Mans, France.
| | - Antioco Fois
- Néphrologie Centre Hospitalier Le Mans, Avenue Roubillard 196, 72000 Le Mans, France.
| | - Emanuela Cataldo
- Néphrologie Centre Hospitalier Le Mans, Avenue Roubillard 196, 72000 Le Mans, France.
- Nefrologia, Università Aldo Moro, Piazza Umberto I, 70121 Bari, Italy.
| | - Gianfranca Cabiddu
- Nefrologia Ospedale Brotzu, Piazzale Alessandro Ricchi, 1, 09134 Cagliari, Italy.
| |
Collapse
|
6
|
Afsar B, Agca E, Turk S. Comparison of erythropoietin resistance in hemodialysis patients using calcitriol, cinacalcet, or paricalcitol. J Clin Pharmacol 2015; 55:1280-5. [PMID: 26032009 DOI: 10.1002/jcph.556] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2015] [Accepted: 05/20/2015] [Indexed: 11/07/2022]
Abstract
The erythropoiesis-stimulating agent (ESA) hyporesponsiveness index (EHRI) calculated as the weekly dose of EPO divided by weight (kg) divided by hemoglobin level (g/dL) has been considered useful to assess ESA resistance. Recent evidence suggests that active vitamin D, cinacalcet, and paricalcitol use may be related with lower ESA resistance. We conducted this observational cross-sectional study to investigate ESA resistance calculated by the EHRI among patients using calcitriol, cinacalcet, and paricalcitol. Participants underwent a medical history taken, physical examination, measurement of biochemical analysis, calculation of dialysis adequacy, and EHRI. Sixty-five patients did not receive any treatment regarding vitamin D, paricalcitol, and cinacalcet (group 1), 41 were taking only vitamin D (group 2), 50 were taking only paricalcitol (group 3), 19 were taking only cinacalcet (group 4), and 21 were taking paricalcitol + cinacalcet (group 5). The EHRI values for groups 1, 2, 3, 4, and 5 were 11.36 ± 8.72, 11.58 ± 5.72, 8.29 ± 5.54, 9.49 ± 4.61, and 8.91 ± 4.44 respectively (P =.034). Post hoc analysis showed that the EHRI differed between group 1 and group 3 (P =.017) and between group 2 and group 3 (P =.006). In linear regression analysis, use of paricalcitol was independently associated with EHRI. In conclusion, paricalcitol use was associated with lower EHRI levels as a measure of ESA resistance.
Collapse
Affiliation(s)
- Baris Afsar
- Konya Numune State Hospital, Department of Nephrology, Konya, Turkey
| | - Erhan Agca
- Konya Numune State Hospital, Department of Nephrology, Konya, Turkey
| | - Suleyman Turk
- Selcuklu Faculty of Medicine, Selcuk University, Department of Nephrology, Konya, Turkey
| |
Collapse
|
7
|
Gesualdo L, London G, Turner M, Lee C, Macdonald K, Goldsmith D, Covic A, Zaoui P, Combe C, Mann J, Dellanna F, Muenzberg M, Abraham I. A pharmacoepidemiological study of the multi-level determinants, predictors, and clinical outcomes of biosimilar epoetin alfa for renal anaemia in haemodialysis patients: background and methodology of the MONITOR-CKD5 study. Intern Emerg Med 2013; 8:389-99. [PMID: 21590439 DOI: 10.1007/s11739-011-0622-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2011] [Accepted: 04/29/2011] [Indexed: 11/24/2022]
Abstract
Prior longitudinal observational studies have examined the practice patterns and outcomes of anaemia management, including the use of erythropoiesis-stimulating agents (ESAs). Several dimensions of effectiveness remain unaddressed; especially considering the revised ESA label (target Hb levels between 10 and 12 g/dL), the recently published TREAT study, and the European approval of the first ESA biosimilar (HX575). Anecdotal evidence suggests that patient outcomes are influenced by physician-related variables and whether anaemia management is congruent with practice guidelines, but this has not been studied systematically. MONITOR-CKD5 is an international, prospective, observational, pharmacoepidemiological study evaluating the multi-level factors and outcomes of treatment with HX575 for renal anaemia in haemodialysis patients. Driven by a novel, integrated, multi-focal framework for post-approval observational studies, it examines determinants of response at both the patient and the physician level; integrates an advocated statistical methodology here to fore used mainly in the social and behavioural sciences; assesses factors potentially predictive of a poor treatment response; and evaluates the extent to which treatment is congruent with evidence-based guidelines, good practice evidence, and the revised ESA label. This pan-European study will recruit at least 1,000 patients from a minimum of 75 centres, and follow them for up to 24 months following initiation of anaemia management with biosimilar epoetin alfa. MONITOR-CKD5 will not only study the core issues addressed by prior observational studies but also aims to take knowledge discovery a step further by assessing outcomes across varying cohorts of patients, and examining the impact of evidence-based practice on clinical outcomes, differentiating, in the process, between physician-level and patient-level determinants.
Collapse
Affiliation(s)
- Loreto Gesualdo
- Department of Nephrology, Università degli Studi di Bari, Bari, Italy.
| | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
8
|
Clinical, sociodemographic, and psychological correlates of health-related quality of life in chronic hemodialysis patients. PSYCHOSOMATICS 2012; 53:30-7. [PMID: 22221719 DOI: 10.1016/j.psym.2011.07.002] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2011] [Revised: 07/08/2011] [Accepted: 07/11/2011] [Indexed: 11/20/2022]
Abstract
BACKGROUND Physical comorbidities and depression are associated with poor health-related quality of life (HRQoL) in patients undergoing chronic hemodialysis, but little is known about the impact of psychological determinants such as coping strategies in this association. This study examined the relation between psychosocial factors, particularly health-related locus of control (HLOC) and quality of life (QoL) in chronic hemodialisys patients. METHODS Three hundred hemodialysis patients underwent assessment of QoL (SF-36), depression (Beck Depression Inventory score), anxiety (State-Trait Anxiety Inventory), and HLOC profile (Multidimensional Health Locus of Control scale). Comorbidities and sociodemographic factors were assessed. RESULTS All QoL scores were low. Depression and comorbidities were negatively correlated with physical QoL components and depression, anxiety, and comorbidities were negatively correlated with mental components. However, internal locus of control (LOC) and external LOC (influence of "powerful others") were positively correlated with mental QoL components. Multiple regression analysis showed internal LOC significantly and positively associated with mental QoL components, especially mental health score (P < 0.01). CONCLUSIONS Altered QoL of patients undergoing chronic hemodialysis is associated with physical and psychiatric comorbidities, in particular depression and anxiety. However, internal and external LOC seem to have differential impact on QoL. Increasing awareness and empowerment of the internal and external components of the LOC could help patients improving QoL.
Collapse
|
9
|
Abstract
BACKGROUND Anemia and mineral and bone disorders (MBD) are both important and common complications in kidney transplant recipients. Studies in patients with chronic kidney disease indicated a possible independent association of higher serum phosphorus with anemia, but similar associations have not been examined in kidney transplant recipients. We hypothesized that higher serum phosphorus is associated with anemia independent of other components of MBD. METHODS We examined the association of serum phosphorus with hemoglobin level and the prevalence of anemia in a prevalent cohort of 992 kidney transplant recipients in a single outpatient transplant center. Associations were examined in linear and logistic regression models with adjustment for demographic and comorbid conditions for various known risk factors of anemia, including measures of iron deficiency, inflammation, and components of MBD including serum levels of 25(OH) vitamin D, parathyroid hormone, and fibroblast growth factor 23. RESULTS In multivariable adjusted regression models, a 1 standard deviation (0.8 mg/dL) higher serum phosphorus level was associated with 0.26 g/dL lower blood hemoglobin concentration (95% confidence intervals -0.36 to -0.15, P<0.001) and with an odds ratio for anemia of 1.77 (95% confidence intervals 1.33-2.37, P<0.001). These associations were consistent across the entire spectrum of the physiologic serum phosphorus concentration and were more accentuated in patients with lower estimated glomerular filtration rate. CONCLUSIONS Higher serum phosphorus is independently associated with anemia in kidney transplant recipients.
Collapse
|
10
|
Tsubakihara Y, Nishi S, Akiba T, Hirakata H, Iseki K, Kubota M, Kuriyama S, Komatsu Y, Suzuki M, Nakai S, Hattori M, Babazono T, Hiramatsu M, Yamamoto H, Bessho M, Akizawa T. 2008 Japanese Society for Dialysis Therapy: guidelines for renal anemia in chronic kidney disease. Ther Apher Dial 2010; 14:240-75. [PMID: 20609178 DOI: 10.1111/j.1744-9987.2010.00836.x] [Citation(s) in RCA: 183] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The Japanese Society for Dialysis Therapy (JSDT) guideline committee, chaired by Dr Y. Tsubakihara, presents the Japanese guidelines entitled "Guidelines for Renal Anemia in Chronic Kidney Disease." These guidelines replace the "2004 JSDT Guidelines for Renal Anemia in Chronic Hemodialysis Patients," and contain new, additional guidelines for peritoneal dialysis (PD), non-dialysis (ND), and pediatric chronic kidney disease (CKD) patients. Chapter 1 presents reference values for diagnosing anemia that are based on the most recent epidemiological data from the general Japanese population. In both men and women, hemoglobin (Hb) levels decrease along with an increase in age and the level for diagnosing anemia has been set at <13.5 g/dL in males and <11.5 g/dL in females. However, the guidelines explicitly state that the target Hb level in erythropoiesis stimulating agent (ESA) therapy is different to the anemia reference level. In addition, in defining renal anemia, the guidelines emphasize that the reduced production of erythropoietin (EPO) that is associated with renal disorders is the primary cause of renal anemia, and that renal anemia refers to a condition in which there is no increased production of EPO and serum EPO levels remain within the reference range for healthy individuals without anemia, irrespective of the glomerular filtration rate (GFR). In other words, renal anemia is clearly identified as an "endocrine disease." It is believed that defining renal anemia in this way will be extremely beneficial for ND patients exhibiting renal anemia despite having a high GFR. We have also emphasized that renal anemia may be treated not only with ESA therapy but also with appropriate iron supplementation and the improvement of anemia associated with chronic disease, which is associated with inflammation, and inadequate dialysis, another major cause of renal anemia. In Chapter 2, which discusses the target Hb levels in ESA therapy, the guidelines establish different target levels for hemodialysis (HD) patients than for PD and ND patients, for two reasons: (i) In Japanese HD patients, Hb levels following hemodialysis rise considerably above their previous levels because of ultrafiltration-induced hemoconcentration; and (ii) as noted in the 2004 guidelines, although 10 to 11 g/dL was optimal for long-term prognosis if the Hb level prior to the hemodialysis session in an HD patient had been established at the target level, it has been reported that, based on data accumulated on Japanese PD and ND patients, in patients without serious cardiovascular disease, higher levels have a cardiac or renal function protective effect, without any safety issues. Accordingly, the guidelines establish a target Hb level in PD and ND patients of 11 g/dL or more, and recommend 13 g/dL as the criterion for dose reduction/withdrawal. However, with the results of, for example, the CHOIR (Correction of Hemoglobin and Outcomes in Renal Insufficiency) study in mind, the guidelines establish an upper limit of 12 g/dL for patients with serious cardiovascular disease or patients for whom the attending physician determines high Hb levels would not be appropriate. Chapter 3 discusses the criteria for iron supplementation. The guidelines establish reference levels for iron supplementation in Japan that are lower than those established in the Western guidelines. This is because of concerns about long-term toxicity if the results of short-term studies conducted by Western manufacturers, in which an ESA cost-savings effect has been positioned as a primary endpoint, are too readily accepted. In other words, if the serum ferritin is <100 ng/mL and the transferrin saturation rate (TSAT) is <20%, then the criteria for iron supplementation will be met; if only one of these criteria is met, then iron supplementation should be considered unnecessary. Although there is a dearth of supporting evidence for these criteria, there are patients that have been surviving on hemodialysis in Japan for more than 40 years, and since there are approximately 20 000 patients who have been receiving hemodialysis for more than 20 years, which is a situation that is different from that in many other countries. As there are concerns about adverse reactions due to the overuse of iron preparations as well, we therefore adopted the expert opinion that evidence obtained from studies in which an ESA cost-savings effect had been positioned as the primary endpoint should not be accepted unquestioningly. In Chapter 4, which discusses ESA dosing regimens, and Chapter 5, which discusses poor response to ESAs, we gave priority to the usual doses that are listed in the package inserts of the ESAs that can be used in Japan. However, if the maximum dose of darbepoetin alfa that can currently be used in HD and PD patients were to be used, then the majority of poor responders would be rescued. Blood transfusions are discussed in Chapter 6. Blood transfusions are attributed to the difficulty of managing renal anemia not only in HD patients, but also in end-stage ND patients who respond poorly to ESAs. It is believed that the number of patients requiring transfusions could be reduced further if there were novel long-acting ESAs that could be used for ND patients. Chapter 7 discusses adverse reactions to ESA therapy. Of particular concern is the emergence and exacerbation of hypertension associated with rapid hematopoiesis due to ESA therapy. The treatment of renal anemia in pediatric CKD patients is discussed in Chapter 8; it is fundamentally the same as that in adults.
Collapse
Affiliation(s)
- Yoshiharu Tsubakihara
- Department of Kidney Disease and Hypertension, Osaka General Medical Center, Sumiyoshi-ku, Osaka, Japan.
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
11
|
Tentori F. Mineral and bone disorder and outcomes in hemodialysis patients: results from the DOPPS. Semin Dial 2010; 23:10-4. [PMID: 20331811 DOI: 10.1111/j.1525-139x.2009.00676.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Francesca Tentori
- Arbor Research Collaborative for Health, Ann Arbor, Michigan 48103, USA.
| |
Collapse
|
12
|
MORTON AR, MURPHY S, HIRSCH D, LEBLANC M, BARRÉ P, LOK C, HERCZ G, HODSMAN A, RESLEROVA M, LEVIN A. Development and utility of a multi-dimensional grid to assess individual mineral metabolism control in hemodialysis patients: A potential aid for therapeutic decision making? Hemodial Int 2010; 14:200-10. [DOI: 10.1111/j.1542-4758.2009.00426.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
13
|
Blayney MJ, Tentori F. TRENDS AND CONSEQUENCES OF MINERAL BONE DISORDER IN HAEMODIALYSIS PATIENTS: LESSONS FROM THE DIALYSIS OUTCOMES AND PRACTICE PATTERNS STUDY (DOPPS). J Ren Care 2009; 35 Suppl 1:7-13. [DOI: 10.1111/j.1755-6686.2009.00048.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
|
14
|
|
15
|
Sehgal AR, Sullivan C, Leon JB, Bialostosky K. Public health approach to addressing hyperphosphatemia among dialysis patients. J Ren Nutr 2008; 18:256-61. [PMID: 18410881 PMCID: PMC2391002 DOI: 10.1053/j.jrn.2007.12.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2007] [Indexed: 11/11/2022] Open
Abstract
Elevated serum phosphorus levels are a major source of morbidity and mortality for the 350,000 Americans receiving chronic dialysis treatment. Despite the widespread application of medical and behavioral interventions, the prevalence of hyperphosphatemia remains exceedingly high. At first glance, a public health perspective may seem inappropriate for addressing a disorder of mineral metabolism among patients receiving a life-sustaining treatment. However, we analyzed this topic from a public health perspective and identified many opportunities to improve the management of hyperphosphatemia, including (1) media and cultural messages about food, (2) the availability of appropriate foods and medications, (3) physical structures such as the location of products in grocery stores, and (4) social structures such as food-labeling laws.
Collapse
Affiliation(s)
- Ashwini R Sehgal
- Division of Nephrology, MetroHealth Medical Center, Cleveland, OH 44109, USA.
| | | | | | | |
Collapse
|
16
|
|
17
|
Achinger SG, Ayus JC. Left ventricular hypertrophy: is hyperphosphatemia among dialysis patients a risk factor? J Am Soc Nephrol 2007; 17:S255-61. [PMID: 17130271 DOI: 10.1681/asn.2006080923] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Cardiovascular disease occurs in ESRD patients at rates that are far higher than is seen in the general population, and cardiovascular deaths account for the majority of deaths among dialysis patients. Abnormal mineral metabolism is a novel cardiovascular risk factor among dialysis patients. Recently published results demonstrated that even with good control of BP and anemia, conventional hemodialysis is associated with significant left ventricular hypertrophy (LVH); however, daily hemodialysis was associated with a significant reduction in LV mass index (LVMI). Furthermore, it was shown that control of serum phosphorus correlates with the reduction in LVMI. These data suggest a novel mechanism for the deleterious effect of elevated serum phosphorus on cardiovascular outcomes among hemodialysis patients: LVH. Other investigators have noted an association of hyperphosphatemia and LVH; however, this study was the first to demonstrate that improvement in serum phosphorus is associated with reduction in LVM. In addition, it is shown that daily hemodialysis is an effective modality in improving serum phosphorus through significantly improved phosphorus removal. Elevated serum phosphorus leads to vascular calcification, which can lead to LVH by decreasing vascular compliance. However, our study showed an improvement in LVMI during a 12-mo period. Because vascular calcification is unlikely to remit over this time period, it is proposed that serum phosphorus has a reversible, cardiotoxic effect that leads to LVH that can be reversed successfully with good control of serum phosphorus.
Collapse
Affiliation(s)
- Steven G Achinger
- Dialysis Service, Texas Diabetes Institute, Bextar County Hospital District, San Antonio, TX 78201, USA
| | | |
Collapse
|
18
|
Sullivan CM, Leon JB, Sehgal AR. Phosphorus-containing food additives and the accuracy of nutrient databases: implications for renal patients. J Ren Nutr 2007; 17:350-4. [PMID: 17720105 PMCID: PMC2020846 DOI: 10.1053/j.jrn.2007.05.008] [Citation(s) in RCA: 120] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2007] [Indexed: 11/11/2022] Open
Abstract
OBJECTIVE Phosphorus-containing additives are increasingly being added to food products. We sought to determine the potential impact of these additives. We focused on chicken products as an example. METHODS We purchased a variety of chicken products, prepared them according to package directions, and performed laboratory analyses to determine their actual phosphorus content. We used ESHA Food Processor SQL Software (version 9.8, ESHA Research, Salem, OR) to determine the expected phosphorus content of each product. RESULTS Of 38 chicken products, 35 (92%) had phosphorus-containing additives listed among their ingredients. For every category of chicken products containing additives, the actual phosphorus content was greater than the content expected from nutrient database. For example, actual phosphorus content exceeded expected phosphorus content by an average of 84 mg/100 g for breaded breast strips. There was also a great deal of variation within each category. For example, the difference between actual and expected phosphorus content ranged from 59-165 mg/100 g for breast patties. Two 100-g servings of additive-containing products contained, on average, 440 mg of phosphorus, or about half the total daily recommended intake for dialysis patients. CONCLUSIONS Phosphorus-containing additives significantly increase the amount of phosphorus in chicken products. Available nutrient databases do not reflect this higher phosphorus content, and the variation between similar products makes it impossible for patients and dietitians to accurately estimate phosphorus content. We recommend that dialysis patients limit their intake of additive-containing products, and that the phosphorus content of food products be included on nutrition facts labels.
Collapse
Affiliation(s)
- Catherine M Sullivan
- Division of Nephrology, MetroHealth Medical Center, Case Western Reserve University, Cleveland, Ohio 44109, USA
| | | | | |
Collapse
|
19
|
Abstract
Chronic kidney disease is associated with profound alterations in mineral metabolism. A growing body of evidence, based largely on observational studies, indicates that patient mortality is associated with altered mineral metabolism. Evidence is reviewed concerning the association between mortality and high concentrations of serum phosphorus, calcium, calcium-phosphate product, and parathyroid hormone. In addition, mortality may be independently associated with dialysate calcium concentration, type of phosphate binder therapy, and use of vitamin D analogs. Practices related to management of altered mineral metabolism may prove to be a promising means of improving outcomes for patients with chronic kidney disease.
Collapse
Affiliation(s)
- Eric W Young
- Division of Nephrology, VA Ann Arbor Healthcare System and University of Michigan, Ann Arbor, MI 48105, USA.
| |
Collapse
|
20
|
Al-Hilali N, Al-Humoud H, Ninan VT, Nampoory MRN, Puliyclil MA, Johny KV. Does parathyroid hormone affect erythropoietin therapy in dialysis patients? Med Princ Pract 2007; 16:63-7. [PMID: 17159367 DOI: 10.1159/000096143] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2005] [Accepted: 11/03/2005] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE The objective of this study was to assess the response to recombinant human erythropoietin (rHuEPO) during treatment of anemia in dialysis patients with hyperparathyroidism. SUBJECTS AND METHODS A total of 118 patients with stage 5 renal failure on dialysis therapy were selected for this study. Anemia was treated with rHuEPO. Laboratory data for each patient included intact parathyroid hormone (iPTH), hemoglobin (Hb), hematocrit (Hct), blood urea nitrogen, serum creatinine, calcium, phosphate, and alkaline phosphatase. Patients with iPTH >32 pmol/l were considered hyperparathyroid. Erythropoietin resistance index (ERI) was expressed as the ratio of weekly rHuEPO dose/Hct level. RESULTS Of the 118 patients, 83 (70.3%) were on hemodialysis (HD) and 35 (29.7%) were on continuous ambulatory peritoneal dialysis (CAPD). Sixty-three patients (64.3%) with iPTH >32 pmol/l had Hb <11 g/dl, while 34 (54.8%) with iPTH <32 had Hb >11 g/dl (p = 04). Thirty-three (56%) patients with iPTH >32 pmol/l had hemocrit <33%, while 38 (61.3%) with iPTH <32 had hemocrit <33% (p = 0.4). The median value of weekly rHuEPO dose in HD patients (12,000 units) was significantly higher in comparison with CAPD patients (6,000 units; p < 0.0001). ERI was significantly higher in HD than CAPD patients with iPTH <16 pmol/l (p = 0002) as well as with patients with 16-32 pmol/l (p = 0.012). CONCLUSIONS CAPD patients showed a reduced requirement for rHuEPO and better control of anemia compared with HD patients. ERI was also lower in CAPD than in HD patients. Hyperparathyroidism is a parameter predictive of rHuEPO hyporesponsiveness in dialysis patients.
Collapse
|
21
|
Yoshino M, Kuhlmann MK, Kotanko P, Greenwood RN, Pisoni RL, Port FK, Jager KJ, Homel P, Augustijn H, de Charro FT, Collart F, Erek E, Finne P, Garcia-Garcia G, Grönhagen-Riska C, Ioannidis GA, Ivis F, Leivestad T, Løkkegaard H, Lopot F, Jin DC, Kramar R, Nakao T, Nandakumar M, Ramirez S, van der Sande FM, Schön S, Simpson K, Walker RG, Zaluska W, Levin NW. International differences in dialysis mortality reflect background general population atherosclerotic cardiovascular mortality. J Am Soc Nephrol 2006; 17:3510-9. [PMID: 17108318 DOI: 10.1681/asn.2006020156] [Citation(s) in RCA: 106] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
Existing national, racial, and ethnic differences in dialysis patient mortality rates largely are unexplained. This study aimed to test the hypothesis that mortality rates related to atherosclerotic cardiovascular disease (ASCVD) in dialysis populations (DP) and in the background general populations (GP) are correlated. In a cross-sectional, multinational study, all-cause and ASCVD mortality rates were compared between GP and DP using the most recent data from the World Health Organization mortality database (67 countries; 1,571,852,000 population) and from national renal registries (26 countries; 623,900 population). Across GP of 67 countries (14,082,146 deaths), all-cause mortality rates (median 8.88 per 1000 population; range 1.93 to 15.40) were strongly related to ASCVD mortality rates (median 3.21; range 0.53 to 8.69), with Eastern European countries clustering in the upper and Southeast and East Asian countries in the lower rate ranges. Across DP (103,432 deaths), mortality rates from all causes (median 166.20; range 54.47 to 268.80) and from ASCVD (median 63.39 per 1000 population; range 21.52 to 162.40) were higher and strongly correlated. ASCVD mortality rates in DP and in the GP were significantly correlated; the relationship became even stronger after adjustment for age (R(2) = 0.56, P < 0.0001). A substantial portion of the variability in mortality rates that were observed across DP worldwide is attributable to the variability in background ASCVD mortality rates in the respective GP. Genetic and environmental factors may underlie these differences.
Collapse
Affiliation(s)
- Maki Yoshino
- Renal Research Institute, 207 East 94th Street, Suite 303, New York, NY 10128, USA
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
22
|
Bibliography. Current world literature. Mineral metabolism. Curr Opin Nephrol Hypertens 2006; 15:464-7. [PMID: 16775463 DOI: 10.1097/01.mnh.0000232889.65895.ae] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
|