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Lazarus B, Polkinghorne KR, Gallagher M, Coggan S, Gray NA, Talaulikar G, Kotwal S. Tunneled Hemodialysis Catheter Tip Design and Risk of Catheter Dysfunction: An Australian Nationwide Cohort Study. Am J Kidney Dis 2024; 83:445-455. [PMID: 38061534 DOI: 10.1053/j.ajkd.2023.09.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 09/12/2023] [Accepted: 09/22/2023] [Indexed: 01/15/2024]
Abstract
RATIONALE & OBJECTIVE Hemodialysis catheter dysfunction is an important problem for patients with kidney failure. The optimal design of the tunneled catheter tip is unknown. This study evaluated the association of catheter tip design with the duration of catheter function. STUDY DESIGN Observational cohort study using data from the nationwide REDUCCTION trial. SETTING & PARTICIPANTS 4,722 adults who each received hemodialysis via 1 or more tunneled central venous catheters in 37 Australian nephrology services from December 2016 to March 2020. EXPOSURE Design of tunneled hemodialysis catheter tip, classified as symmetrical, step, or split. OUTCOME Time to catheter dysfunction requiring removal due to inadequate dialysis blood flow assessed by the treating clinician. ANALYTICAL APPROACH Mixed, 3-level accelerated failure time model, assuming a log-normal survival distribution. Secular trends, the intervention, and baseline differences in service, patient, and catheter factors were included in the adjusted model. In a sensitivity analysis, survival times and proportional hazards were compared among participants' first tunneled catheters. RESULTS Among the study group, 355 of 3,871 (9.2%), 262 of 1,888 (13.9%), and 38 of 455 (8.4%) tunneled catheters with symmetrical, step, and split tip designs, respectively, required removal due to dysfunction. Step tip catheters required removal for dysfunction at a rate 53% faster than symmetrical tip catheters (adjusted time ratio, 0.47 [95% CI, 0.33-0.67) and 76% faster than split tip catheters (adjusted time ratio, 0.24 [95% CI, 0.11-0.51) in the adjusted accelerated failure time models. Only symmetrical tip catheters had performance superior to step tip catheters in unadjusted and sensitivity analyses. Split tip catheters were infrequently used and had risks of dysfunction similar to symmetrical tip catheters. The cumulative incidence of other complications requiring catheter removal, routine removal, and death before removal were similar across the 3 tip designs. LIMITATIONS Tip design was not randomized. CONCLUSIONS Symmetrical and split tip catheters had a lower risk of catheter dysfunction requiring removal than step tip catheters. FUNDING Grants from government (Queensland Health, Safer Care Victoria, Medical Research Future Fund, National Health and Medical Research Council, Australia), academic (Monash University), and not-for-profit (ANZDATA Registry, Kidney Health Australia) sources. TRIAL REGISTRATION Registered at ANZCTR with study number ACTRN12616000830493. PLAIN-LANGUAGE SUMMARY Central venous catheters are widely used to facilitate vascular access for life-sustaining hemodialysis treatments but often fail due to blood clots or other mechanical problems that impede blood flow. A range of adaptations to the design of tunneled hemodialysis catheters have been developed, but it is unclear which designs have the greatest longevity. We analyzed data from an Australian nationwide cohort of patients who received hemodialysis via a tunneled catheter and found that catheters with a step tip design failed more quickly than those with a symmetrical tip. Split tip catheters performed well but were infrequently used and require further study. Use of symmetrical rather than step tip hemodialysis catheters may reduce mechanical failures and unnecessary procedures for patients.
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Affiliation(s)
- Benjamin Lazarus
- The George Institute for Global Health, University of New South Wales, Sydney, Australia; Department of Medicine, Monash University, Clayton, Australia; Department of Nephrology, Monash Health, Clayton, Australia.
| | - Kevan R Polkinghorne
- Department of Medicine, Monash University, Clayton, Australia; Department of Epidemiology and Preventive Medicine, Monash University, Prahran, Australia; Department of Nephrology, Monash Health, Clayton, Australia
| | - Martin Gallagher
- The George Institute for Global Health, University of New South Wales, Sydney, Australia; South Western Sydney Campus, University of New South Wales, Sydney, Australia
| | - Sarah Coggan
- The George Institute for Global Health, University of New South Wales, Sydney, Australia
| | - Nicholas A Gray
- Sunshine Coast University Hospital, Birtinya, Australia; University of the Sunshine Coast, Sippy Downs, Australia
| | - Girish Talaulikar
- Department of Nephrology, Canberra Hospital, Garran, Australia; School of Medicine, Australian National University, Acton, Australia
| | - Sradha Kotwal
- The George Institute for Global Health, University of New South Wales, Sydney, Australia; Prince of Wales Hospital, University of New South Wales, Sydney, Australia
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Catiwa J, Gallagher M, Talbot B, Kerr PG, Semple DJ, Roberts MA, Polkinghorne KR, Gray NA, Talaulikar G, Cass A, Kotwal S. Clinical Adjudication of Hemodialysis Catheter-Related Bloodstream Infections: Findings from the REDUCCTION Trial. Kidney360 2024; 5:550-559. [PMID: 38329768 DOI: 10.34067/kid.0000000000000389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Accepted: 02/01/2024] [Indexed: 02/09/2024]
Abstract
Key Points
The inter-rater reliability of reporting hemodialysis catheter-related infectious events between site investigators and trial adjudicators in Australia and New Zealand was substantial.The high concordance level in reporting catheter infections improves confidence in using site-level bacteremia rates as a clinical metric for quality benchmarking and future pragmatic clinical trials.A rigorous adjudication protocol may not be needed if clearly defined criteria to ascertain catheter-associated bacteremia are used.
Background
Hemodialysis catheter-related bloodstream infection (HD-CRBSI) are a significant source of morbidity and mortality among dialysis patients, but benchmarking remains difficult because of varying definitions of HD-CRBSI. This study explored the effect of clinical adjudication process on HD-CRBSI reporting.
Methods
The REDUcing the burden of Catheter ComplicaTIOns: a National approach trial implemented an evidence-based intervention bundle using a stepped-wedge design to reduce HD-CRBSI rates in 37 Australian kidney services. Six New Zealand services participated in an observational capacity. Adult patients with a new hemodialysis catheter between December 2016 and March 2020 were included. HD-CRBSI events reported were compared with the adjudicated outcomes using the end point definition and adjudication processes of the REDUcing the burden of Catheter ComplicaTIOns: a National approach trial. The concordance level was estimated using Gwet agreement coefficient (AC1) adjusted for service-level effects and implementation tranches (Australia only), with the primary outcome being the concordance of confirmed HD-CRBSI.
Results
A total of 744 hemodialysis catheter-related infectious events were reported among 7258 patients, 12,630 catheters, and 1.3 million catheter-exposure days. The majority were confirmed HD-CRBSI, with 77.9% agreement and substantial concordance (AC1=0.77; 95% confidence interval [CI], 0.73 to 0.81). Exit site infections have the highest concordance (AC1=0.85; 95% CI, 0.78 to 0.91); the greatest discordance was in events classified as other (AC1=0.33; 95% CI, 0.16 to 0.49). The concordance of all hemodialysis catheter infectious events remained substantial (AC1=0.80; 95% CI, 0.76 to 0.83) even after adjusting for the intervention tranches in Australia and overall service-level clustering.
Conclusions
There was a substantial level of concordance in overall and service-level reporting of confirmed HD-CRBSI. A standardized end point definition of HD-CRBSI resulted in comparable hemodialysis catheter infection rates in Australian and New Zealand kidney services. Consistent end point definition could enable reliable benchmarking outside clinical trials without the need for independent clinical adjudication.
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Affiliation(s)
- Jayson Catiwa
- The George Institute for Global Health, University of New South Wales, Sydney, New South Wales, Australia
- St George Hospital, Sydney, New South Wales, Australia
| | - Martin Gallagher
- The George Institute for Global Health, University of New South Wales, Sydney, New South Wales, Australia
- South Western Sydney Clinical School, University of New South Wales, Sydney, New South Wales, Australia
| | - Benjamin Talbot
- The George Institute for Global Health, University of New South Wales, Sydney, New South Wales, Australia
- Ellen Medical Devices, Sydney, New South Wales, Australia
- School of Population Health, University of New South Wales, Sydney, New South Wales, Australia
| | - Peter G Kerr
- Department of Nephrology, Monash Medical Centre, Monash Health, Melbourne, Victoria, Australia
| | - David J Semple
- Department of Renal Medicine, Te Whatu Ora Te Toka Tumai Auckland, Auckland, New Zealand
- Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Matthew A Roberts
- Eastern Health Clinical School, Monash University, Melbourne, Victoria, Australia
| | - Kevan R Polkinghorne
- Department of Nephrology, Monash Medical Centre, Monash Health, Melbourne, Victoria, Australia
- Departments of Medicine, Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Nicholas A Gray
- Sunshine Coast University Hospital, Birtinya, Queensland, Australia
- School of Health and Behavioural Sciences, University of the Sunshine Coast, Sippy Downs, Queensland, Australia
| | - Girish Talaulikar
- Renal Services, ACT Health, Canberra, Australian Capital Territory, Australia
| | - Alan Cass
- Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia
| | - Sradha Kotwal
- The George Institute for Global Health, University of New South Wales, Sydney, New South Wales, Australia
- Prince of Wales Hospital, University of New South Wales, Sydney, New South Wales, Australia
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Lazarus B, Kotwal S, Gallagher M, Gray NA, Coggan S, Rogers K, Talaulikar G, Polkinghorne KR. Effect of a Multifaceted Intervention on the Incidence of Hemodialysis Catheter Dysfunction in a National Stepped-Wedge Cluster Randomized Trial. Kidney Int Rep 2023; 8:1941-1950. [PMID: 37849996 PMCID: PMC10577327 DOI: 10.1016/j.ekir.2023.07.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 07/10/2023] [Accepted: 07/19/2023] [Indexed: 10/19/2023] Open
Abstract
Introduction Effective strategies to prevent hemodialysis (HD) catheter dysfunction are lacking and there is wide variation in practice. Methods In this post hoc analysis of the REDUcing the burden of dialysis Catheter ComplicaTIOns: a national (REDUCCTION) stepped-wedge cluster randomized trial, encompassing 37 Australian nephrology services, 6361 participants, and 9872 catheters, we investigated whether the trial intervention, which promoted a suite of evidence-based practices for HD catheter insertion and management, reduced the incidence of catheter dysfunction, which is defined by catheter removal due to inadequate dialysis blood flow. We also analyzed outcomes among tunneled cuffed catheters and sources of event variability. Results A total of 873 HD catheters were removed because of dysfunction over 1.12 million catheter days. The raw incidence was 0.91 events per 1000 catheter days during the baseline phase and 0.68 events per 1000 catheter days during the intervention phase. The service-wide incidence of catheter dysfunction was 33% lower during the intervention after adjustment for calendar time (incidence rate ratio = 0.67; 95% confidence interval [CI], 0.50-0.89; P = 0.006). Results were consistent among tunneled cuffed catheters (adjusted incidence rate ratio = 0.68; 95% CI, 0.49-0.94), which accounted for 75% of catheters (n = 7403), 97.4% of catheter exposure time and 88.2% of events (n = 770). Among tunneled catheters that survived for 6 months (21.5% of tunneled catheters), between 2% and 5% of the unexplained variation in the number of catheter dysfunction events was attributable to service-level differences, and 18% to 36% was attributable to patient-level differences. Conclusion Multifaceted interventions that promote evidence-based catheter care may prevent dysfunction, and patient factors are an important source of variation in events.
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Affiliation(s)
- Benjamin Lazarus
- The George Institute for Global Health, UNSW, Sydney, Australia
- Department of Medicine, Monash University, Clayton, Victoria, Australia
- Department of Nephrology, Monash Health, Clayton, Victoria, Australia
| | - Sradha Kotwal
- The George Institute for Global Health, UNSW, Sydney, Australia
- Prince of Wales Hospital, UNSW Sydney, Australia
| | - Martin Gallagher
- The George Institute for Global Health, UNSW, Sydney, Australia
- South Western Sydney Campus, UNSW, Sydney, Australia
| | - Nicholas A. Gray
- Sunshine Coast University Hospital, Birtinya, Queensland, Australia
- University of the Sunshine Coast, Sippy Downs, Queensland, Australia
| | - Sarah Coggan
- The George Institute for Global Health, UNSW, Sydney, Australia
| | - Kris Rogers
- The George Institute for Global Health, UNSW, Sydney, Australia
- Graduate School of Health, The University of Technology Sydney, Sydney, Australia
| | - Girish Talaulikar
- Department of Nephrology, The Canberra Hospital, Garran, ACT, Australia
- Australian National University School of Medicine, Acton, ACT, Australia
| | - Kevan R. Polkinghorne
- Department of Medicine, Monash University, Clayton, Victoria, Australia
- Department of Nephrology, Monash Health, Clayton, Victoria, Australia
- Department of Epidemiology and Preventive Medicine, Monash University, Prahran, Victoria, Australia
| | - REDUCCTION Investigators12
- The George Institute for Global Health, UNSW, Sydney, Australia
- Department of Medicine, Monash University, Clayton, Victoria, Australia
- Department of Nephrology, Monash Health, Clayton, Victoria, Australia
- Prince of Wales Hospital, UNSW Sydney, Australia
- South Western Sydney Campus, UNSW, Sydney, Australia
- Sunshine Coast University Hospital, Birtinya, Queensland, Australia
- University of the Sunshine Coast, Sippy Downs, Queensland, Australia
- Graduate School of Health, The University of Technology Sydney, Sydney, Australia
- Department of Nephrology, The Canberra Hospital, Garran, ACT, Australia
- Australian National University School of Medicine, Acton, ACT, Australia
- Department of Epidemiology and Preventive Medicine, Monash University, Prahran, Victoria, Australia
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Siriwardana A, Gray NA, Makris A, Li CK, Yong K, Mehta Y, Ramos J, Di Tanna GL, Gianacas C, Addo IY, Roxburgh S, Naganathan V, Foote C, Gallagher M. Treatment decision-making and care among older adults with kidney failure: protocol for a multicentre, prospective observational cohort study with nested substudies and linked qualitative research (the Elderly Advanced CKD Programme). BMJ Open 2022; 12:e066156. [PMID: 36581411 PMCID: PMC9806093 DOI: 10.1136/bmjopen-2022-066156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
INTRODUCTION Shared treatment decision-making and planning of care are fundamental in advanced chronic kidney disease (CKD) management. There are limited data on several key outcomes for the elderly population including survival, quality of life, symptom burden, changes in physical functioning and experienced burden of healthcare. Patients, caregivers and clinicians consequently face significant uncertainty when making life-impacting treatment decisions. The Elderly Advanced CKD Programme includes quantitative and qualitative studies to better address challenges in treatment decision-making and planning of care among this increasingly prevalent elderly cohort. METHODS AND ANALYSIS The primary component is OUTcomes of Older patients with Kidney failure (OUTLOOK), a multicentre prospective observational cohort study that will enrol 800 patients ≥75 years with kidney failure (estimated glomerular filtration rate ≤15 mL/min/1.73 m2) across a minimum of six sites in Australia. Patients entered are in the decision-making phase or have recently made a decision on preferred treatment (dialysis, conservative kidney management or undecided). Patients will be prospectively followed until death or a maximum of 4 years, with the primary outcome being survival. Secondary outcomes are receipt of short-term acute dialysis, receipt of long-term maintenance dialysis, changes in biochemistry and end-of-life care characteristics. Data will be used to formulate a risk prediction tool applicable for use in the decision-making phase. The nested substudies Treatment modalities for the InfirM ElderLY with end stage kidney disease (TIMELY) and Caregivers of The InfirM ElderLY with end stage kidney disease (Co-TIMELY) will longitudinally assess quality of life, symptom burden and caregiver burden among 150 patients and 100 caregivers, respectively. CONsumer views of Treatment options for Elderly patieNts with kiDney failure (CONTEND) is an additional qualitative study that will enrol a minimum of 20 patients and 20 caregivers to explore experiences of treatment decision-making and care. ETHICS AND DISSEMINATION Ethics approval was obtained through Sydney Local Health District Human Research Ethics Committee (2019/ETH07718, 2020/ETH02226, 2021/ETH01020, 2019/ETH07783). OUTLOOK is approved to have waiver of individual patient consent. TIMELY, Co-TIMELY and CONTEND participants will provide written informed consent. Final results will be disseminated through peer-reviewed journals and presented at scientific meetings.
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Affiliation(s)
- Amanda Siriwardana
- Renal and Metabolic Division, The George Institute for Global Health, Sydney, New South Wales, Australia
- Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australia
| | - Nicholas A Gray
- Department of Renal Medicine, Sunshine Coast Hospital and Health Service, Birtinya, Queensland, Australia
- School of Health and Behavioural Science, University of the Sunshine Coast, Sippy Downs, Queensland, Australia
| | - Angela Makris
- Department of Renal Medicine, Liverpool Hospital, Sydney, New South Wales, Australia
- Faculty of Medicine, University of New South Wales, Sydney, New South Wales, Australia
| | - Chenlei Kelly Li
- Department of Renal Medicine, St George Hospital, Sydney, New South Wales, Australia
| | - Kenneth Yong
- Department of Renal Medicine, Prince of Wales Hospital and Community Health Services, Sydney, New South Wales, Australia
- Prince of Wales Clinical School, University of New South Wales, Sydney, New South Wales, Australia
| | - Yachna Mehta
- Renal and Metabolic Division, The George Institute for Global Health, Sydney, New South Wales, Australia
| | - Jannel Ramos
- Renal and Metabolic Division, The George Institute for Global Health, Sydney, New South Wales, Australia
| | - Gian Luca Di Tanna
- Statistics Division, George Institute for Global Health, Sydney, New South Wales, Australia
| | - Chris Gianacas
- Statistics Division, George Institute for Global Health, Sydney, New South Wales, Australia
| | - Isaac Yeboah Addo
- Faculty of Arts and Social Sciences, University of New South Wales Centre for Social Research in Health, Sydney, New South Wales, Australia
| | - Sarah Roxburgh
- Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australia
- Department of Renal Medicine, Royal North Shore Hospital, Sydney, New South Wales, Australia
| | - Vasi Naganathan
- Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australia
- Department of Geriatric Medicine, Concord Repatriation General Hospital, The University of Sydney Centre for Education and Research on Ageing, Sydney, New South Wales, Australia
| | - Celine Foote
- Department of Renal Medicine, Concord Repatriation General Hospital, Sydney, New South Wales, Australia
| | - Martin Gallagher
- Renal and Metabolic Division, The George Institute for Global Health, Sydney, New South Wales, Australia
- Department of Renal Medicine, Liverpool Hospital, Sydney, New South Wales, Australia
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Gray NA, Toy L, Dalla-Bona K, Broom J, Gray M. The lived experience of haemodialysis patients managed with transmission-based precautions for MDRO colonisation: A qualitative study. Infect Dis Health 2022; 27:211-218. [PMID: 35690584 DOI: 10.1016/j.idh.2022.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 05/11/2022] [Accepted: 05/17/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND Patients undergoing haemodialysis colonised with multi-drug resistant organisms (MDROs) are commonly managed with transmission-based precautions (TBP) to prevent nosocomial transmission. TBP have been linked to mixed effects on patient psychological well-being and clinical care. This study was designed to report the lived experience of dialysis patients managed with TBP. METHODS A qualitative study of 15 patients undergoing haemodialysis managed with TBP was performed. Participants took part in individual semi-structured interviews. Data was analysed utilising an interpretive phenomenological approach. RESULTS Four themes were identified. 1. Communication of what MDRO screening meant, the results, and implications of MDRO positivity was perceived by many patients as insufficient and inconsistent. 2. Experiences of care in isolation were described, with both positive (privacy) and negative (reduced interaction) experiences identified. 3. Psychosocial and emotional responses including concern about health implications and stigma were reported, but also screening was described by some as increasing their perception of being cared for by health care workers, as they felt all health risks were being managed. 4. Confusion around perceived inconsistencies of management, particularly across different environments (eg hospital vs home) and staff. CONCLUSION TBP have complex positive and negative impacts on patients which should be considered when developing MDRO management policy and communication around such policy. Strategies to improve communication, patient and staff education, and remove (or explain) perceived inconsistencies of practice may reduce the negative consequences of TBP leading to improved delivery of quality, person-centred care.
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Affiliation(s)
- Nicholas A Gray
- Department of Nephrology, Sunshine Coast University Hospital, Birtinya, Queensland, Australia; University of the Sunshine Coast, Sippy Downs, Queensland, Australia; Sunshine Coast Health Institute, Birtinya, Queensland, Australia.
| | - Lisa Toy
- University of the Sunshine Coast, Sippy Downs, Queensland, Australia
| | - Kim Dalla-Bona
- Department of Nephrology, Sunshine Coast University Hospital, Birtinya, Queensland, Australia
| | - Jennifer Broom
- Infectious Diseases Research Network, Sunshine Coast University Hospital, Birtinya, Queensland, Australia; The University of Queensland, Herston, Queensland, Australia. https://twitter.com/jenniferkbroom
| | - Marion Gray
- University of Southern Queensland, Ipswich, Queensland, Australia
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Walavalkar A, Craswell A, Gray NA. Experiences of Caregivers of Patients With Conservatively Managed Kidney Failure: A Mixed Methods Systematic Review. Can J Kidney Health Dis 2022; 9:20543581221089080. [PMID: 35450152 PMCID: PMC9016578 DOI: 10.1177/20543581221089080] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 02/07/2022] [Indexed: 11/24/2022] Open
Abstract
Background: Older people with kidney failure often choose conservative kidney care. The
experiences and quality of life (QOL) of caregivers who support them are
incompletely characterized. Objective: To determine the burden, QOL, and understand experiences of caregivers
supporting patients managed conservatively. Design: Systematic review of quantitative and qualitative studies. Sources of information: PubMed, Embase, PsycINFO, CINAHL, and MEDLINE electronic databases were
systematically searched for quantitative and qualitative studies published
between January 2000 and July 2020. Subjects: Caregivers of adults with kidney failure (estimated glomerular filtration
rate < 15 mL/min/1.73 m2) managed conservatively. Methods: Data were extracted by 2 independent reviewers using a prespecified
extraction tool. Study quality was assessed using the Critical Appraisal
Skills Program (CASP) tool. Measurements: Descriptive reports of demographics, measurement scales, and outcomes.
Thematic synthesis of qualitative data. Results: Six studies met inclusion criteria, including 3 quantitative and 3
descriptive qualitative studies. Caregivers of patients receiving
conservative kidney management (CKM) experienced significant caregiver
burden and similar impacts to their QOL as those caring for patients
receiving dialysis. Thematic synthesis revealed 5 themes: Understanding the
concept of CKM, Need for involvement in the decision for CKM, Identifying
available supports, Uncertainty about the future and negotiating
deteriorations and dying, and Burden of care impacting on QOL. Limitations: Low numbers of included studies, data collection and recruitment biases in
qualitative studies and small caregiver numbers in quantitative studies,
limit transferability of findings. Heterogeneity in study design and outcome
measures precluded meta-analysis. Conclusions: Caregivers of patients with conservatively managed kidney failure suffer
significant burden and experience QOL comparable with those caring for
patients on dialysis. Limited understanding and involvement in conservative
management decision making, and a fear of deterioration and dying, result in
anxiety in caregivers. Further research into the experiences of caregivers
will help support both caregivers and the patients who choose conservative
management. Registration: PROSPERO registration number CRD42021209811.
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Affiliation(s)
- Anisha Walavalkar
- Renal Unit, Department of Nephrology, Sunshine Coast University Hospital, Birtinya, Queensland, Australia
| | - Alison Craswell
- University of the Sunshine Coast, Sippy Downs, Queensland, Australia
- Sunshine Coast Health Institute, Birtinya, Queensland, Australia
| | - Nicholas A. Gray
- Renal Unit, Department of Nephrology, Sunshine Coast University Hospital, Birtinya, Queensland, Australia
- University of the Sunshine Coast, Sippy Downs, Queensland, Australia
- Sunshine Coast Health Institute, Birtinya, Queensland, Australia
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De Souza L, Krishnasamy R, Waugh J, Gray NA. Complementary and alternative medicine use in an Australian kidney transplant recipient population. Intern Med J 2022; 52:671-675. [PMID: 35419957 DOI: 10.1111/imj.15735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 12/11/2021] [Accepted: 12/15/2021] [Indexed: 11/30/2022]
Abstract
The prevalence of complementary and alternative medicine (CAM) use in kidney transplant recipients in Australia is unknown. Chronic transplant recipients completed a questionnaire, and participants who did not report CAM use also had medical chart audits. Among 127 participants, CAM use was reported by 26.8%, considerably lower than the general population. These findings may reflect underreporting due to misperception about what constitutes CAM (commonly vitamin use was not reported by the group denying CAM use), or perhaps a motivated population who are receptive to education efforts from the transplant team.
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Affiliation(s)
- Laura De Souza
- Department of Nephrology, Sunshine Coast University Hospital, Sunshine Coast, Queensland, Australia
| | - Rathika Krishnasamy
- Department of Nephrology, Sunshine Coast University Hospital, Sunshine Coast, Queensland, Australia.,The University of Queensland, Brisbane, Queensland, Australia.,Sunshine Coast Health Institute, Sunshine Coast, Queensland, Australia
| | - Jane Waugh
- Department of Nephrology, Sunshine Coast University Hospital, Sunshine Coast, Queensland, Australia
| | - Nicholas A Gray
- Department of Nephrology, Sunshine Coast University Hospital, Sunshine Coast, Queensland, Australia.,Sunshine Coast Health Institute, Sunshine Coast, Queensland, Australia.,University of the Sunshine Coast, Sunshine Coast, Queensland, Australia
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Kotwal S, Cass A, Coggan S, Gray NA, Jan S, McDonald S, Polkinghorne KR, Rogers K, Talaulikar G, Di Tanna GL, Gallagher M. Multifaceted intervention to reduce haemodialysis catheter related bloodstream infections: REDUCCTION stepped wedge, cluster randomised trial. BMJ 2022; 377:e069634. [PMID: 35414532 PMCID: PMC9002320 DOI: 10.1136/bmj-2021-069634] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
OBJECTIVE To identify whether multifaceted interventions, or care bundles, reduce catheter related bloodstream infections (CRBSIs) from central venous catheters used for haemodialysis. DESIGN Stepped wedge, cluster randomised design. SETTING 37 renal services across Australia. PARTICIPANTS All adults (age ≥18 years) under the care of a renal service who required insertion of a new haemodialysis catheter. INTERVENTIONS After a baseline observational phase, a service-wide, multifaceted intervention bundle that included elements of catheter care (insertion, maintenance, and removal) was implemented at one of three randomly assigned time points (12 at the first time point, 12 at the second, and 13 at the third) between 20 December 2016 and 31 March 2020. MAIN OUTCOMES MEASURE The primary endpoint was the rate of CRBSI in the baseline phase compared with intervention phase at the renal service level using the intention-to-treat principle. RESULTS 1.14 million haemodialysis catheter days of use were monitored across 6364 patients. Patient characteristics were similar across baseline and intervention phases. 315 CRBSIs occurred (158 in the baseline phase and 157 in the intervention phase), with a rate of 0.21 per 1000 days of catheter use in the baseline phase and 0.29 per 1000 days in the intervention phase, giving an incidence rate ratio of 1.37 (95% confidence interval 0.85 to 2.21; P=0.20). This translates to one in 10 patients who undergo dialysis for a year with a catheter experiencing an episode of CRBSI. CONCLUSIONS Among patients who require a haemodialysis catheter, the implementation of a multifaceted intervention did not reduce the rate of CRBSI. Multifaceted interventions to prevent CRBSI might not be effective in clinical practice settings. TRIAL REGISTRATION Australia New Zealand Clinical Trials Registry ACTRN12616000830493.
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Affiliation(s)
- Sradha Kotwal
- George Institute for Global Health, University of New South Wales, Sydney, NSW, Australia
- Prince of Wales Hospital, University of New South Wales, Sydney, NSW, Australia
| | - Alan Cass
- Menzies School of Health Research, Charles Darwin University, Darwin, NT, Australia
| | - Sarah Coggan
- George Institute for Global Health, University of New South Wales, Sydney, NSW, Australia
| | - Nicholas A Gray
- Sunshine Coast University Hospital, Birtinya, QLD, Australia
- Department of Health and Behavioural Science,University of the Sunshine Coast, Sippy Downs, QLD, Australia
| | - Stephen Jan
- George Institute for Global Health, University of New South Wales, Sydney, NSW, Australia
| | - Stephen McDonald
- ANZDATA Registry, South Australia Health and Medical Research Institute, Adelaide, SA, Australia
- Adelaide Medical School, University of Adelaide, Adelaide, SA, Australia
- Renal Unit, Royal Adelaide Hospital, Adelaide, SA, Australia
| | - Kevan R Polkinghorne
- Department of Epidemiology and Preventive Medicine, Monash University, VIC, Australia
- Departments of Nephrology and Medicine, Monash Medical Centre, Monash University, VIC, Australia
| | - Kris Rogers
- George Institute for Global Health, University of New South Wales, Sydney, NSW, Australia
- Graduate School of Health, University of Technology Sydney, Sydney, NSW, Australia
- School of Population Health, University of New South Wales, Sydney, NSW, Australia
| | | | - Gian Luca Di Tanna
- George Institute for Global Health, University of New South Wales, Sydney, NSW, Australia
| | - Martin Gallagher
- George Institute for Global Health, University of New South Wales, Sydney, NSW, Australia
- South Western Sydney Clinical School, University of New South Wales, NSW, Sydney, Australia
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9
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Gray NA, Tod B, Rohwer A, Fincham L, Visser WI, McCaul M. Pharmacological interventions for periorificial (perioral) dermatitis in children and adults: a systematic review. J Eur Acad Dermatol Venereol 2021; 36:380-390. [PMID: 34779023 DOI: 10.1111/jdv.17817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 11/03/2021] [Indexed: 11/30/2022]
Abstract
The plethora of pharmacologic treatments used for periorificial dermatitis (POD) makes clinical decision-making challenging. The objectives of this review were to assess the efficacy and safety of pharmacological interventions for POD in children and adults. The search was performed on 2 February 2021 and included seven databases and trial registries, with no date or language restrictions Study selection, data extraction and risk of bias assessments were performed independently and in duplicate by two authors, in accordance with a prespecified protocol. Meta-analyses were performed and reported in accordance with PRISMA guidelines. Where meta-analysis was not possible, a narrative synthesis was performed and reported in accordance with SWiM guidelines. The certainty of evidence was assessed using the Grading of Recommendation, Assessment, Development and Evaluation approach. Eleven studies representing 733 participants were included. Oral tetracycline may improve physician-reported severity of POD from day 20 onwards (low certainty evidence). Adverse effects may include abdominal discomfort, facial dryness and pruritus. Pimecrolimus cream may improve physician-reported severity slightly after 4 weeks of treatment (MD -0.49, 95% CI -1.02 to 0.04, n = 164, low certainty evidence). Adverse effects may include erythema, herpes simplex virus infection, burning and pruritus. Azelaic acid gel may result in no change in either physician- or patient-reported severity after 6 weeks of treatment. The evidence is very uncertain about the effect of praziquantel ointment on physician-reported severity and skin-related quality of life after 4 weeks of treatment. The evidence is also very uncertain about the effect of topical clindamycin/benzoyl peroxide on physician-reported severity. The body of evidence to inform treatment of POD currently consists of low and very low certainty evidence for important outcomes. Well-designed trials are needed to further investigate treatment options. Data are required for children and from low-middle income countries to improve external validity. Future trials should also include adequate post-treatment follow-up and standardized outcome measures.
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Affiliation(s)
- N A Gray
- Division of Dermatology, Department of Medicine, Tygerberg Academic Hospital and Stellenbosch University, Cape Town, South Africa
| | - B Tod
- Division of Dermatology, Department of Medicine, Tygerberg Academic Hospital and Stellenbosch University, Cape Town, South Africa
| | - A Rohwer
- Centre for Evidence Based Health Care (CEBHC), Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - L Fincham
- Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - W I Visser
- Division of Dermatology, Department of Medicine, Tygerberg Academic Hospital and Stellenbosch University, Cape Town, South Africa
| | - M McCaul
- Centre for Evidence Based Health Care (CEBHC), Division of Epidemiology and Biostatistics, Department of Global Health, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
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10
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Yaxley J, Campbell SB, Gray NA, Viecelli AK. A Survey Study of Trends in Adult Nephrology Advanced Training in Australia and New Zealand. Intern Med J 2021; 52:206-213. [PMID: 34528751 DOI: 10.1111/imj.15535] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 09/06/2021] [Accepted: 09/10/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND There has been considerable growth in nephrology advanced trainee numbers in Australia and New Zealand, with uncertain effects on clinical experience, competence and employment outcomes. AIM To review the perceived adequacy and temporal trends of advanced training in nephrology in Australia and New Zealand by evaluating training experiences, personal views on important aspects of training and nephrology, career paths and early employment outcomes. METHODS An online survey was distributed to members of the Australian and New Zealand Society of Nephrology via email in December 2020. Responses were sought from current trainees and from nephrologists qualifying since 2014. Likert scale proportions were calculated and group comparisons made using the Chi-square test. RESULTS A total of 88 participants returned the survey yielding a response rate of 32%, with a representative sample of trainees and consultants from across Australia and New Zealand. Training was reported as adequate in most aspects of clinical nephrology, although 88% of respondents felt poorly prepared for entering private practice and 61% reported inadequate training in kidney histopathology. Exposure to clinical procedures was variable, with adequate training in percutaneous kidney biopsy but mostly inadequate training in dialysis access insertion. Sixty-nine percent of nephrologists completed their advanced training entirely in large urban centres and 85% worked in an urban area after training. Only 23% of consultants were engaged in full-time clinical employment in their first year post-training and 78% were undertaking at least one of dual specialty training or a higher degree by research. Demand for subspecialty fellowships was high. CONCLUSION Trainees and nephrologists in Australia and New Zealand are currently satisfied with their training in most aspects of nephrology, however some clinical experiences are perceived as inadequate and early career paths after advanced training are increasingly diverse. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Julian Yaxley
- Department of Nephrology, Princess Alexandra Hospital, Brisbane, Queensland, Australia
| | - Scott B Campbell
- Department of Nephrology, Princess Alexandra Hospital, Brisbane, Queensland, Australia
| | - Nicholas A Gray
- Department of Renal Medicine, Sunshine Coast University Hospital, Birtinya, Queensland, Australia
| | - Andrea K Viecelli
- Department of Nephrology, Princess Alexandra Hospital, Brisbane, Queensland, Australia.,Australasian Kidney Trials Network, University of Queensland, Brisbane, Queensland, Australia
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11
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Campbell VK, Gately RP, Krishnasamy R, Burg D, Robertson GR, Gray NA. Midkine and chronic kidney disease-associated multisystem organ dysfunctions. Nephrol Dial Transplant 2021; 36:1577-1584. [PMID: 32542315 DOI: 10.1093/ndt/gfaa084] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2019] [Accepted: 02/18/2020] [Indexed: 12/18/2022] Open
Abstract
Chronic kidney disease (CKD) is a progressive multisystem condition with yet undefined mechanistic drivers and multiple implicated soluble factors. If identified, these factors could be targeted for therapeutic intervention for a disease that currently lacks specific treatment. There is increasing preclinical evidence that the heparin/endothelial glycocalyx-binding molecule midkine (MK) has a pathological role in multiple CKD-related, organ-specific disease processes, including CKD progression, hypertension, vascular and cardiac disease, bone disease and CKD-related cancers. Concurrent with this are studies documenting increases in circulating and urine MK proportional to glomerular filtration rate (GFR) loss in CKD patients and evidence that administering soluble MK reverses the protective effects of MK deficiency in experimental kidney disease. This review summarizes the growing body of evidence supporting MK's potential role in driving CKD-related multisystem disease, including MK's relationship with the endothelial glycocalyx, the deranged MK levels and glycocalyx profile in CKD patients and a proposed model of MK organ interplay in CKD disease processes and highlights the importance of ongoing research into MK's potential as a therapeutic target.
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Affiliation(s)
- Victoria K Campbell
- Renal Unit, Sunshine Coast University Hospital, Birtinya, Queensland, Australia.,University of Queensland, St Lucia, Queensland, Australia.,Intensive Care Unit, Sunshine Coast University Hospital, Birtinya, Queensland, Australia
| | - Ryan P Gately
- Renal Unit, Sunshine Coast University Hospital, Birtinya, Queensland, Australia
| | - Rathika Krishnasamy
- Renal Unit, Sunshine Coast University Hospital, Birtinya, Queensland, Australia.,University of Queensland, St Lucia, Queensland, Australia
| | | | | | - Nicholas A Gray
- Renal Unit, Sunshine Coast University Hospital, Birtinya, Queensland, Australia.,Sunshine Coast Health Institute, Birtinya, Queensland, Australia.,University of the Sunshine Coast, Sippy Downs, Queensland, Australia
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12
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Lambooy S, Krishnasamy R, Pollock A, Hilder G, Gray NA. Telemedicine for Outpatient Care of Kidney Transplant and CKD Patients. Kidney Int Rep 2021; 6:1265-1272. [PMID: 34013104 PMCID: PMC8116750 DOI: 10.1016/j.ekir.2021.02.016] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 01/17/2021] [Accepted: 02/08/2021] [Indexed: 11/18/2022] Open
Abstract
INTRODUCTION Telehealth videoconferencing (TVC) may improve access in rural areas, but reported uptake and outcomes among kidney transplant recipients (KTRs) and chronic kidney disease (CKD) patients are limited. This study aimed to assess the feasibility, sustainability, and clinical outcomes of TVC for this patient population. METHODS A total of 64 participants were recruited in this single-center, prospective, 2-year longitudinal, case-control study. Inclusion criteria for the telemedicine group included travel of ≥15 km to the hospital, and the control group was matched for transplant or CKD status, age, and sex. The primary outcome was feasibility (≥50% of consultations for each individual patient in the telemedicine group being conducted by TVC in year 1). Secondary outcomes were sustainability of telemedicine, change in blood pressure and creatinine, hospitalization, and travel distance. RESULTS There were 32 participants in both the telemedicine and control arms, with no baseline differences. The majority were male (65.6%) and the mean age was 63.9 years (SD = 12.3 years). TVC uptake in year 1 in the telemedicine arm was 71% (interquartile range [IQR] = 50.0-100.0) but reduced significantly in year 2 (50.0% [IQR = 33.3-71.4], P < 0.01). No significant differences in creatinine or blood pressure were observed between groups, including in the KTRs and CKD subgroup analysis. Patient satisfaction remained high for both groups. Compared with travel distance required if TVC was unavailable, travel distance in the TVC group decreased by 48% (16,644 km) in year 1 and by 37.0% (8177 km) in year 2. CONCLUSION TVC was feasible and sustainable, with outcomes comparable to those of standard care. Larger studies, especially among KTRs, are needed to confirm these findings.
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Affiliation(s)
- Sebastiaan Lambooy
- Department of Nephrology, Sunshine Coast University Hospital, Birtinya, Queensland, Australia
| | - Rathika Krishnasamy
- Department of Nephrology, Sunshine Coast University Hospital, Birtinya, Queensland, Australia
- The University of Queensland, Herston, Queensland, Australia
- Sunshine Coast Health Institute, Birtinya, Queensland, Australia
| | - Andrea Pollock
- Department of Nephrology, Sunshine Coast University Hospital, Birtinya, Queensland, Australia
| | - Gerald Hilder
- Department of Nephrology, Sunshine Coast University Hospital, Birtinya, Queensland, Australia
| | - Nicholas A. Gray
- Department of Nephrology, Sunshine Coast University Hospital, Birtinya, Queensland, Australia
- Sunshine Coast Health Institute, Birtinya, Queensland, Australia
- University of the Sunshine Coast, Sippy Downs, Queensland, Australia
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13
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Nataatmadja M, Krishnasamy R, Zuo L, Hong D, Smyth B, Jun M, de Zoysa JR, Howard K, Wang J, Lu C, Liu Z, Chan CT, Cass A, Perkovic V, Jardine M, Gray NA. Quality of Life in Caregivers of Patients Randomized to Standard- Versus Extended-Hours Hemodialysis. Kidney Int Rep 2021; 6:1058-1065. [PMID: 33912756 PMCID: PMC8071646 DOI: 10.1016/j.ekir.2021.01.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 01/04/2021] [Accepted: 01/11/2021] [Indexed: 11/24/2022] Open
Abstract
Introduction Caregivers are essential for the health, safety, and independence of many patients and incur financial and personal cost in this role, including increased burden and lower quality of life (QOL) compared to the general population. Extended-hours hemodialysis may be the preference of some patients, but little is known about its effects on caregivers. Methods Forty caregivers of participants of the ACTIVE Dialysis trial, who were randomized to 12 months extended (median 24 hours/wk) or standard (12 hours/wk) hemodialysis, were included. Utility-based QOL was measured by EuroQOL–5 Dimension–3 Level (EQ-5D-3L) and Short Form–6 Dimensions (SF-6D) and health-related QOL (HRQOL) was measured by the 36-Item Short Form Health Survey (SF-36) physical component summary (PCS) and mental component summary (MCS) and the Personal Wellbeing Index (PWI) at enrolment and then every 3 months until the end of the study. Results At baseline, utility-based QOL and HRQOL were similar in both groups. At follow-up, caregivers of people randomized to extended-hours dialysis experienced a greater decrease in utility-based QOL measured by EQ-5D-3L compared with caregivers of people randomized to standard hours (–0.18±0.30 vs. –0.02±0.16, P = 0.04). There were no differences between extended- and standard-hours groups in mean change in SF-6D (0.03±0.12 vs. –0.04±0.1, P = 0.8), PCS (–1.2±9.8 vs. –5.6±9.8, P = 0.2), MCS (–4.1±11.2 vs. –0.5±7.1, P = 0.4), and PWI (2.3±17.6 vs. 0.00±20.4, P = 0.9). Conclusion Poorer utility-based QOL, as measured by the EQ-5D-3L, was observed in caregivers of patients receiving extended-hours hemodialysis in this small study. Though the findings are exploratory, the possibility that mode of dialysis delivery negatively impacts on caregivers supports the prioritization of research on burden and impact of service delivery in this population.
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Affiliation(s)
- Melissa Nataatmadja
- Department of Nephrology, Sunshine Coast University Hospital, Birtinya, Australia.,Faculty of Medicine, University of Queensland, Herston, Australia
| | - Rathika Krishnasamy
- Department of Nephrology, Sunshine Coast University Hospital, Birtinya, Australia.,Faculty of Medicine, University of Queensland, Herston, Australia.,Australasian Kidney Trials Network, Woolloongabba, Australia
| | - Li Zuo
- Department of Nephrology, Peking University People's Hospital, Beijing, China
| | - Daqing Hong
- Renal Department, Sichuan Provincial People's Hospital, Chengdu, China.,Medical School, University of Electronic Science and Technology of China, Chengdu, China
| | - Brendan Smyth
- The George Institute for Global Health, UNSW, Sydney, Australia.,Sydney School of Public Health, University of Sydney, Australia.,Department of Renal Medicine, St George Hospital, Sydney, Australia
| | - Min Jun
- The George Institute for Global Health, UNSW, Sydney, Australia
| | - Janak R de Zoysa
- Department of Medicine, Faculty of Medicine and Health Sciences, University of Auckland, Auckland, New Zealand.,Renal Service, North Shore Hospital, Waitemata DHB, Auckland, New Zealand
| | - Kirsten Howard
- Sydney School of Public Health, University of Sydney, Australia
| | - Jing Wang
- Department of Nephrology, First Affiliated Hospital of Dalain Medical University, Dalain, China
| | - Chunlai Lu
- Department of Nephrology, Shanghai 85th Hospital, Shanghai, China
| | - Zhangsuo Liu
- Department of Nephrology, First Affiliated Hospital of Zhengzhou University, China
| | | | - Alan Cass
- Menzies School of Health Research, Charles Darwin University, Darwin, Australia
| | - Vlado Perkovic
- The George Institute for Global Health, UNSW, Sydney, Australia
| | - Meg Jardine
- The George Institute for Global Health, UNSW, Sydney, Australia.,Concord Repatriation General Hospital, Sydney, Australia
| | - Nicholas A Gray
- Department of Nephrology, Sunshine Coast University Hospital, Birtinya, Australia.,Sunshine Coast Health Institute, Birtinya, Australia.,University of the Sunshine Coast, Sippy Downs, Australia
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14
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Kotwal S, Coggan S, McDonald S, Talaulikar G, Cass A, Jan S, Polkinghorne KR, Gray NA, Gallagher M. REDUcing the burden of dialysis Catheter ComplicaTIOns: a National approach (REDUCCTION) - design and baseline results. Kidney360 2020; 1:746-754. [PMID: 35372959 PMCID: PMC8815740 DOI: 10.34067/kid.0001132020] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 05/29/2020] [Indexed: 04/13/2023]
Abstract
BACKGROUND Patients with hemodialysis central venous catheters (HD CVCs) are susceptible to health care-associated infections, particularly hemodialysis catheter-related bloodstream infection (HD-CRBSI), which is associated with high mortality and health care costs. There have been few systematic attempts to reduce this burden and clinical practice remains highly variable. This manuscript will summarize the challenges in preventing HD-CRBSI and describe the methodology of the REDUcing the burden of dialysis Catheter ComplicaTIOns: a National approach (REDUCCTION) trial. METHODS The REDUCCTION trial is a stepped-wedge cluster randomized trial of a suite of clinical interventions aimed at reducing HD-CRBSI across Australia. It clusters the intervention at the renal-service level with implementation randomly timed across three tranches. The primary outcome is the effect of this intervention upon the rate of HD-CRBSI. Patients who receive an HD CVC at a participating renal service are eligible for inclusion. A customized data collection tool allows near-to-real-time reporting of the number of active catheters, total exposure to catheters over time, and rates of HD-CRBSI in each service. The interventions are centered around the insertion, maintenance, and removal of HD CVC, informed by the most current evidence at the time of design (mid-2018). RESULTS A total of 37 renal services are participating in the trial. Data collection is ongoing with results expected in the last quarter of 2020. The baseline phase of the study has collected provisional data on 5385 catheters in 3615 participants, representing 603,506 days of HD CVC exposure. CONCLUSIONS The REDUCCTION trial systematically measures the use of HD CVCs at a national level in Australia, accurately determines the rate of HD-CRBSI, and tests the effect of a multifaceted, evidence-based intervention upon the rate of HD-CRBSI. These results will have global relevance in nephrology and other specialties commonly using CVCs.
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Affiliation(s)
- Sradha Kotwal
- The George Institute for Global Health, University of New South Wales, Sydney, New South Wales, Australia
- Department of Nephrology, Prince of Wales Hospital, Sydney, New South Wales, Australia
| | - Sarah Coggan
- The George Institute for Global Health, University of New South Wales, Sydney, New South Wales, Australia
| | | | - Girish Talaulikar
- Renal Services, ACT Health, Canberra, Australian Capital Territory, Australia
- Concord Clinical School, University of Sydney, Sydney, New South Wales, Australia
| | - Alan Cass
- Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia
| | - Stephen Jan
- The George Institute for Global Health, University of New South Wales, Sydney, New South Wales, Australia
| | - Kevan R. Polkinghorne
- Department of Epidemiology and Preventive Medicine, Monash University, Prahran, Victoria, Australia
- Departments of Nephrology and Medicine, Monash Medical Centre, Monash University, Clayton, Victoria, Australia
| | - Nicholas A. Gray
- Sunshine Coast University Hospital, Birtinya, Queensland, Australia
- University of the Sunshine Coast, Sippy Downs, Queensland, Australia
| | - Martin Gallagher
- The George Institute for Global Health, University of New South Wales, Sydney, New South Wales, Australia
- Concord Clinical School, University of Sydney, Sydney, New South Wales, Australia
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15
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Smyth B, Zuo L, Gray NA, Chan CT, de Zoysa JR, Hong D, Rogers K, Wang J, Cass A, Gallagher M, Perkovic V, Jardine M. No evidence of a legacy effect on survival following randomization to extended hours dialysis in the ACTIVE Dialysis trial. Nephrology (Carlton) 2020; 25:792-800. [PMID: 32500957 DOI: 10.1111/nep.13737] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 05/01/2020] [Accepted: 05/15/2020] [Indexed: 11/28/2022]
Abstract
AIM Extended hours haemodialysis is associated with superior survival to standard hours. However, residual confounding limits the interpretation of this observation. We aimed to determine the effect of a period of extended hours dialysis on long-term survival among participants in the ACTIVE Dialysis trial. METHODS Two-hundred maintenance haemodialysis recipients were randomized to extended hours dialysis (median 24 h/wk) or standard hours dialysis (median 12 h/wk) for 12 months. Further pre-specified observational follow up occurred at 24, 36 and 60 months. Vital status and modality of renal replacement therapy were ascertained. RESULTS Over the 5 years, 38 participants died, 30 received a renal transplant, and 6 were lost to follow up. Total weekly dialysis hours did not differ between standard and extended groups during the follow-up period (14.1 hours [95%CI 13.4-14.8] vs 14.8 hours [95%CI 14.1-15.6]; P = .16). There was no difference in all-cause mortality (hazard ratio for extended hours 0.91 [95%CI 0.48-1.72]; P = .77). Similar results were obtained after censoring participants at transplantation, and after adjusting for potential confounding variables. Subgroup analysis did not reveal differences in treatment effect by region, dialysis setting or vintage (P-interaction .51, .54, .12, respectively). CONCLUSION Twelve months of extended hours dialysis did not improve long-term survival nor affect dialysis hours after the intervention period. An urgent need remains to further define the optimal dialysis intensity across the broad range of dialysis recipients.
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Affiliation(s)
- Brendan Smyth
- Renal and Metabolic Division, The George Institute for Global Health and University of New South Wales, Sydney, New South Wales, Australia.,Sydney School of Public Health, University of Sydney, Sydney, New South Wales, Australia.,Department of Renal Medicine, St George Hospital, Sydney, New South Wales, Australia
| | - Li Zuo
- Department of Nephrology, Peking University People's Hospital, Beijing, China
| | - Nicholas A Gray
- Renal Department, Sunshine Coast University Hospital, Birtinya, Queensland, Australia.,Sunshine Coast Clinical School, University of Sunshine Coast, Sippy Downs, Queensland, Australia
| | - Christopher T Chan
- Department of Medicine, University Health Network, Toronto, Ontario, Canada
| | - Janak R de Zoysa
- Renal Services, North Shore Hospital, Auckland, New Zealand.,Department of Medicine, University of Auckland, Auckland, New Zealand
| | - Daqing Hong
- Renal Department, Sichuan Provincial People's Hospital, Chengdu, China.,School of Medicine, University of Electronic Science and Technology of China Medical School, Chengdu, China
| | - Kris Rogers
- Renal and Metabolic Division, The George Institute for Global Health and University of New South Wales, Sydney, New South Wales, Australia.,Graduate School of Health, University of Technology, Sydney, New South Wales, Australia
| | - Jia Wang
- School of Medicine, University of Electronic Science and Technology of China Medical School, Chengdu, China.,General Practice Department, Sichuan Provincial People's Hospital, Chengdu, China
| | - Alan Cass
- Menzies School of Health Research, Charles Darwin University, Darwin, North Territory, Australia
| | - Martin Gallagher
- Renal and Metabolic Division, The George Institute for Global Health and University of New South Wales, Sydney, New South Wales, Australia.,Renal Unit, Concord Repatriation General Hospital, Sydney, New South Wales, Australia
| | - Vlado Perkovic
- Renal and Metabolic Division, The George Institute for Global Health and University of New South Wales, Sydney, New South Wales, Australia
| | - Meg Jardine
- Renal and Metabolic Division, The George Institute for Global Health and University of New South Wales, Sydney, New South Wales, Australia.,Renal Unit, Concord Repatriation General Hospital, Sydney, New South Wales, Australia
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16
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Smyth B, Chan CT, Grieve SM, Puranik R, Zuo L, Hong D, Gray NA, De Zoysa JR, Scaria A, Gallagher M, Perkovic V, Jardine M. Predictors of Change in Left-Ventricular Structure and Function in a Trial of Extended Hours Hemodialysis. J Card Fail 2020; 26:482-491. [PMID: 32302717 DOI: 10.1016/j.cardfail.2020.03.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 03/14/2020] [Accepted: 03/20/2020] [Indexed: 10/24/2022]
Abstract
BACKGROUND Myocardial pathology is common in patients undergoing hemodialysis. To explore the effects of differing aspects of dialysis treatment on its evolution, we examined the impact of change in markers of volume status, hemodynamics and solute clearance on left ventricular (LV) parameters in a randomized trial of extended hours dialysis. METHODS AND RESULTS A Clinical Trial of IntensiVE (ACTIVE) Dialysis randomized 200 patients undergoing hemodialysis to extended dialysis hours (≥ 24 hours/week) or standard hours (12-18 hours/week) for 12 months. In a prespecified substudy, 95 participants underwent cardiac magnetic resonance imaging (CMR) at baseline and at the study's end. Generalized linear regression was used to model the relationship between changes in LV parameters and markers of volume status (normalized ultrafiltration rate and total weekly interdialytic weight gain), hemodynamic changes (systolic and diastolic blood pressure) and solute control (urea clearance, dialysis hours and phosphate). Randomization to extended hours dialysis was not associated with change in any CMR parameter. Reduction in ultrafiltration rate was associated with reduction in LV mass index (P = 0.049) and improved ejection fraction (P = 0.024); reduction in systolic blood pressure was also associated with improvement in ejection fraction (P = 0.045); reduction in interdialytic weight gain was associated with reduced stroke volume (P = 0.038). There were no associations between change in urea clearance, phosphate or total hours per week and CMR parameters. CONCLUSIONS Reduction in ultrafiltration rate and blood pressure are associated with improved myocardial parameters in hemodialysis recipients independently of solute clearance or dialysis time. These findings underscore the importance of fluid status and related parameters as potential treatment targets in this population.
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Affiliation(s)
- Brendan Smyth
- The George Institute for Global Health and University of New South Wales, Sydney, Australia; Sydney School of Public Health, University of Sydney, Sydney, Australia; Department of Renal Medicine, St George Hospital, Sydney, Australia.
| | | | - Stuart M Grieve
- Faculty of Medicine and Health, University of Sydney, Sydney, Australia; Sydney Translational Imaging Laboratory, Charles Perkins Centre, University of Sydney, Sydney, Australia; Department of Radiology, Royal Prince Alfred Hospital, Sydney, Australia
| | - Rajesh Puranik
- Specialist Magnetic Resonance Imaging, Newtown, Australia; Department of Cardiology, Royal Prince Alfred Hospital, Sydney, Australia
| | - Li Zuo
- Peking University People's Hospital, Beijing, China
| | - Daqing Hong
- Renal Department, Sichuan Provincial People's Hospital, Chengdu, China
| | - Nicholas A Gray
- Sunshine Coast University Hospital, Birtinya, Australia; School of Health and Sport Sciences, University of the Sunshine Coast, Australia
| | - Janak R De Zoysa
- North Shore Hospital, Auckland, New Zealand; Department of Medicine, University of Auckland, Auckland, New Zealand
| | - Anish Scaria
- The George Institute for Global Health and University of New South Wales, Sydney, Australia
| | - Martin Gallagher
- The George Institute for Global Health and University of New South Wales, Sydney, Australia; Renal Unit, Concord Repatriation General Hospital, Sydney, Australia
| | - Vlado Perkovic
- The George Institute for Global Health and University of New South Wales, Sydney, Australia
| | - Meg Jardine
- The George Institute for Global Health and University of New South Wales, Sydney, Australia; Renal Unit, Concord Repatriation General Hospital, Sydney, Australia
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17
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Smyth B, van den Broek-Best O, Hong D, Howard K, Rogers K, Zuo L, Gray NA, de Zoysa JR, Chan CT, Lin H, Zhang L, Xu J, Cass A, Gallagher M, Perkovic V, Jardine M. Varying Association of Extended Hours Dialysis with Quality of Life. Clin J Am Soc Nephrol 2019; 14:1751-1762. [PMID: 31672793 PMCID: PMC6895496 DOI: 10.2215/cjn.06800619] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Accepted: 09/17/2019] [Indexed: 01/01/2023]
Abstract
BACKGROUND AND OBJECTIVES Little is known about the effect of changes in dialysis hours on patient-reported outcome measures. We report the effect of doubling dialysis hours on a range of patient-reported outcome measures in a randomized trial, overall and separately for important subgroups. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS The A Clinical Trial of IntensiVE Dialysis trial randomized 200 participants to extended or standard weekly hours hemodialysis for 12 months. Patient-reported outcome measures included two health utility scores (EuroQOL-5 Dimensions-3 Level, Short Form-6 Dimension) and their derived quality-adjusted life year estimates, two generic health scores (Short Form-36 Physical Component Summary, Mental Component Summary), and a disease-specific score (Kidney Disease Component Score). Outcomes were assessed as the mean difference from baseline using linear mixed effects models adjusted for time point and baseline score, with interaction terms added for subgroup analyses. Prespecified subgroups were dialysis location (home- versus institution-based), dialysis vintage (≤6 months versus >6 months), region (China versus Australia, New Zealand, Canada), and baseline score (lowest, middle, highest tertile). Multiplicity-adjusted P values (Holm-Bonferroni) were calculated for the main analyses. RESULTS Extended dialysis hours was associated with improvement in Short Form-6 Dimension (mean difference, 0.027; 95% confidence interval [95% CI], 0.00 to 0.05; P=0.03) which was not significant after adjustment for multiple comparisons (Padjusted =0.05). There were no significant differences in EuroQOL-5 Dimensions-3 Level health utility (mean difference, 0.036; 95% CI, -0.02 to 0.09; P=0.2; Padjusted =0.2) or in quality-adjusted life years. There were small positive differences in generic and disease-specific quality of life: Physical Component Summary (mean difference, 2.3; 95% CI, 0.6 to 4.1; P=0.01; Padjusted =0.04), Mental Component Summary (mean difference, 2.5; 95% CI, 0.5 to 4.6; P=0.02; Padjusted =0.05) and Kidney Disease Component Score (mean difference, 3.5; 95% CI, 1.5 to 5.5; P=0.001; Padjusted =0.005). The results did not differ among predefined subgroups or by baseline score. CONCLUSIONS The effect of extended hours hemodialysis on patient-reported outcome measures reached statistical significance in some but not all measures. Within each measure the effect was consistent across predefined subgroups. The clinical importance of these differences is unclear.
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Affiliation(s)
- Brendan Smyth
- The George Institute for Global Health, University of New South Wales Sydney, Sydney, Australia.,Sydney School of Public Health University of Sydney, Sydney, Australia
| | - Oliver van den Broek-Best
- Department of Medicine, Westmead Hospital, Sydney, Australia.,Sydney Medical School, University of Sydney, Sydney, Australia
| | - Daqing Hong
- Renal Department, Sichuan Provincial People's Hospital, Chengdu, China.,University of Electronic Science and Technology of China, Medical School, Chengdu, China
| | - Kirsten Howard
- Sydney School of Public Health University of Sydney, Sydney, Australia
| | - Kris Rogers
- The George Institute for Global Health, University of New South Wales Sydney, Sydney, Australia.,Graduate School of Health, University of Technology Sydney, Ultimo, Australia
| | - Li Zuo
- Department of Nephrology, Peking University People's Hospital, Beijing, China
| | - Nicholas A Gray
- Renal Department, Sunshine Coast University Hospital, Birtinya, Australia.,Sunshine Coast Clinical School, University of Queensland, Brisbane, Australia
| | - Janak R de Zoysa
- Renal Services, North Shore Hospital, Auckland, New Zealand.,Department of Medicine, University of Auckland, Auckland, New Zealand
| | - Christopher T Chan
- Department of Medicine, University Health Network, Toronto, Ontario, Canada
| | - Hongli Lin
- Department of Nephrology, First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Ling Zhang
- Department of Nephrology, China-Japan Friendship Hospital, Beijing, China
| | - Jinsheng Xu
- Department of Nephrology, Fourth Hospital Affiliated to Hebei Medical University, Shijiazhuang, China
| | - Alan Cass
- Menzies School of Health Research, Charles Darwin University, Darwin, Australia; and
| | - Martin Gallagher
- The George Institute for Global Health, University of New South Wales Sydney, Sydney, Australia.,Renal Unit, Concord Repatriation General Hospital, Sydney, Australia
| | - Vlado Perkovic
- The George Institute for Global Health, University of New South Wales Sydney, Sydney, Australia
| | - Meg Jardine
- The George Institute for Global Health, University of New South Wales Sydney, Sydney, Australia; .,Renal Unit, Concord Repatriation General Hospital, Sydney, Australia
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Gray NA, Zuo L, Hong D, Smyth B, Jun M, De Zoysa J, Vo K, Howard K, Wang J, Lu C, Liu Z, Cass A, Perkovic V, Jardine M. Quality of life in caregivers compared with dialysis recipients: The Co-ACTIVE sub-study of the ACTIVE dialysis trial. Nephrology (Carlton) 2019; 24:1056-1063. [PMID: 30723975 DOI: 10.1111/nep.13530] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/10/2018] [Indexed: 02/05/2023]
Abstract
AIM To compare quality of life (QOL) of caregivers of dialysis patients with the cared for patients and population norms. METHODS The ACTIVE Dialysis study randomized participants to extended (median 24 h/week) or standard (median 12 h/week) haemodialysis hours for 12 months. A subgroup of participants and their nominated caregivers completed QOL questionnaires including the EuroQOL-5 Dimension-3 Level (EQ5D-3 L), short form-36 (SF-36, also allowing estimation of the SF-6D), as well as a bespoke questionnaire and the personal wellbeing index (PWI). Caregiver QOL was compared with dialysis patient QOL and predictors of caregiver QOL were determined using multivariable regression. RESULTS There were 54 patients and caregiver pairs, predominantly from China. Caregivers mean (SD) age was 53.4 (11.3) years, 60% were female, 71% cared for their spouse/partner, and 36% were educated to university level. Caregivers had better physical but similar mental QOL compared with dialysis patients (mean SF-36 physical component summary: 46.9 ± 8.7 vs 40.4 ± 10.2, P < 0.001; mental component summary: 47.8 ± 9.7 vs 49.6 ± 12.0, P = 0.84). Health utility measured with EQ5D-3 L was not significantly different between caregivers and dialysis patients (mean 0.869 ± 0.185 vs 0.798 ± 0.227, P = 0.083). Caregiver PWI was 43.7 ± 15.5, significantly lower than the Chinese population norm (68.2 ± 14.2, P < 0.001). Higher physical and mental QOL among caregivers was predicted by university education but not age, gender or daily hours caring. CONCLUSION Caregivers have higher physical and equivalent mental QOL to dialysis patients but poorer personal well-being than the Chinese population. University education predicts better QOL and may be a surrogate for socioeconomic or other factors. (NCT00649298).
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Affiliation(s)
- Nicholas A Gray
- Department of Nephrology, Sunshine Coast University Hospital, Birtinya, Queensland, Australia
- The University of Queensland, Sunshine Coast Clinical School, Birtinya, Queensland, Australia
| | - Li Zuo
- Department of Nephrology, Peking University People's Hospital, Beijing, China
| | - Daqing Hong
- The George Institute for Global Health, University of New South Wales, Sydney, New South Wales, Australia
- Renal Department, Sichuan Provincial People's Hospital, Chengdu, China
- University of Electronic Science and Technology of China Medical School, Chengdu, China
| | - Brendan Smyth
- The George Institute for Global Health, University of New South Wales, Sydney, New South Wales, Australia
- Sydney Medical School, University of Sydney, Sydney, New South Wales, Australia
| | - Min Jun
- The George Institute for Global Health, University of New South Wales, Sydney, New South Wales, Australia
| | - Janak De Zoysa
- Renal Service, North Shore Hospital, Waitemata DHB, Auckland, New Zealand
- Department of Medicine, Faculty of Medicine and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Kha Vo
- The George Institute for Global Health, University of New South Wales, Sydney, New South Wales, Australia
- Bureau of Health Information, NSW Health, Sydney, New South Wales, Australia
| | - Kirsten Howard
- Sydney School of Public Health, University of Sydney, Sydney, New South Wales, Australia
| | - Jing Wang
- Department of Nephrology, First Affiliated Hospital of Dalain Medical University, Dalain, China
| | - Chunlai Lu
- Department of Nephrology, Shanghai 85th Hospital, Shanghai, China
| | - Zhangsuo Liu
- Department of Nephrology, First Affiliated Hospital of Zhengzhou University, China
| | - Alan Cass
- Menzies School of Health Research, Charles Darwin University, Darwin, Northern Territory, Australia
| | - Vlado Perkovic
- The George Institute for Global Health, University of New South Wales, Sydney, New South Wales, Australia
| | - Meg Jardine
- The George Institute for Global Health, University of New South Wales, Sydney, New South Wales, Australia
- Department of Renal Medicine, Concord Repatriation General Hospital, Sydney, New South Wales, Australia
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19
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Ruderman I, Holt SG, Kirkland GS, Maslen S, Hawley CM, Oliver V, Krishnasamy R, Gray NA, Talaulikar GS, Nelson CL, Rajaram Y, Gock H, Au E, Elder GJ, Mainra R, Toussaint ND. Outcomes of cinacalcet withdrawal in Australian dialysis patients. Intern Med J 2019; 49:48-54. [PMID: 29992701 DOI: 10.1111/imj.14036] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 06/30/2018] [Indexed: 12/24/2022]
Abstract
BACKGROUND Secondary hyperparathyroidism (SHPT) in chronic kidney disease is associated with cardiovascular and bone pathology. Measures to achieve parathyroid hormone (PTH) target values and control biochemical abnormalities associated with SHPT require complex therapies, and severe SHPT often requires parathyroidectomy or the calcimimetic cinacalcet. In Australia, cinacalcet was publicly funded for dialysis patients from 2009 to 2015 when funding was withdrawn following publication of the EVOLVE study, which resulted in most patients on cinacalcet ceasing therapy. We examined the clinical and biochemical outcomes associated with this change at Australian renal centres. AIM To assess changes to biochemical and clinical outcomes in dialysis patients following cessation of cinacalcet. METHODS We conducted a retrospective study of dialysis patients who ceased cinacalcet after August 2015 in 11 Australian units. Clinical outcomes and changes in biochemical parameters were assessed over a 24- and 12-month period, respectively, from cessation of cinacalcet. RESULTS A total of 228 patients was included (17.7% of all dialysis patients from the units). Patients were aged 63 ± 15 years with 182 patients on haemodialysis and 46 on peritoneal dialysis. Over 24 months following cessation of cinacalcet, we observed 26 parathyroidectomies, 3 episodes of calciphylaxis, 8 fractures and 50 deaths. Eight patients recommenced cinacalcet, meeting criteria under a special access scheme. Biochemical changes from baseline to 12 months after cessation included increased levels of serum PTH from 54 (interquartile range 27-90) pmol/L to 85 (interquartile range 41-139) pmol/L (P < 0.0001), serum calcium from 2.3 ± 0.2 mmol/L to 2.5 ± 0.1 mmol/L (P < 0.0001) and alkaline phosphatase from 123 (92-176) IU/L to 143 (102-197) IU/L (P < 0.0001). CONCLUSION Significant increases in serum PTH, calcium and alkaline phosphatase occurred over a 12-month period following withdrawal of cinacalcet. Longer-term follow up will determine if these biochemical and therapeutic changes are associated with altered rates of parathyroidectomies and cardiovascular mortality and morbidity.
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Affiliation(s)
- Irene Ruderman
- Department of Nephrology, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of Medicine (RMH), The University of Melbourne, Melbourne, Victoria, Australia
| | - Stephen G Holt
- Department of Nephrology, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of Medicine (RMH), The University of Melbourne, Melbourne, Victoria, Australia
| | - Geoffrey S Kirkland
- Department of Nephrology, Royal Hobart Hospital, Hobart, Tasmania, Australia
| | - Sophie Maslen
- Department of Nephrology, Royal Hobart Hospital, Hobart, Tasmania, Australia
| | - Carmel M Hawley
- Department of Nephrology, Princess Alexandra Hospital, Brisbane, Queensland, Australia
| | - Veronica Oliver
- Department of Nephrology, Princess Alexandra Hospital, Brisbane, Queensland, Australia
| | - Rathika Krishnasamy
- Department of Nephrology, Sunshine Coast Hospital University Hospital, Sunshine Coast, Queensland, Australia
| | - Nicholas A Gray
- Department of Nephrology, Sunshine Coast Hospital University Hospital, Sunshine Coast, Queensland, Australia
| | - Girish S Talaulikar
- Department of Nephrology, Canberra Hospital, Canberra, Australian Capital Territory, Australia
| | - Craig L Nelson
- Department of Nephrology, Western Health, Melbourne, Victoria, Australia.,Department of Medicine, Western Health, Melbourne, Victoria, Australia.,Western Health Chronic Disease Alliance, Melbourne, Victoria, Australia
| | - Yogeshwar Rajaram
- Department of Nephrology, St Vincent's Health, Melbourne, Victoria, Australia
| | - Hilton Gock
- Department of Nephrology, St Vincent's Health, Melbourne, Victoria, Australia
| | - Eric Au
- Department of Nephrology, Westmead Hospital, Sydney, New South Wales, Australia
| | - Grahame J Elder
- Department of Nephrology, Westmead Hospital, Sydney, New South Wales, Australia.,Osteoporosis and Bone Biology Division, Garvan Institute of Medical Research, Sydney, New South Wales, Australia
| | - Rahul Mainra
- Department of Nephrology, Sir Charles Gairdner Hospital, Perth, Western Australia, Australia
| | - Nigel D Toussaint
- Department of Nephrology, The Royal Melbourne Hospital, Melbourne, Victoria, Australia.,Department of Medicine (RMH), The University of Melbourne, Melbourne, Victoria, Australia
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20
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Craswell A, Massey D, Wallis M, Sriram D, Gray NA, Kotwal S. Current practice in dialysis central venous catheter management: Multi-disciplinary renal team perspectives. Nephrology (Carlton) 2019; 25:406-412. [PMID: 31260594 DOI: 10.1111/nep.13626] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/20/2019] [Indexed: 11/28/2022]
Abstract
AIM To explore the current practices related to the insertion, management and removal of dialysis central venous catheters (CVCs) used in patients with chronic kidney disease requiring haemodialysis. METHODS This qualitative descriptive study involved semi-structured interviews with surgeons, interventional radiologists, renal physicians, dialysis nurses, renal access nurses and renal researchers involved in the care of patients with chronic kidney disease requiring haemodialysis. Data were collected from staff at eight hospitals in six states and territories of Australia. Thirty-eight face-to-face interviews were conducted. A modified five-step qualitative content analysis approach was used to analyse the data. RESULTS Improved visualization technology and its use by interventional radiologists has steered insertions to specialist teams in specialist locations. This is thought to have decreased risk and improved patient outcomes. Nurses were identified as the professional group responsible for maintaining catheter access integrity, preventing access failure and reducing access-related complications. While best practice was considered important, justifications for variations in practice related to local patient and environment challenges were identified. CONCLUSION The interdisciplinary team is central in the insertion, maintenance, removal and education of patients regarding dialysis CVCs. Clinicians temper research-based decision-making about central dialysis access catheter management with knowledge of individual, environmental and patient factors. Strategies to ensure guidelines are appropriately translated for use in a wide variety of settings are necessary for patient safety.
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Affiliation(s)
- Alison Craswell
- Schoolof Nursing, Midwifery and Paramedicine, University of the Sunshine Coast (USC), Sippy Downs, Queensland, Australia.,Sunshine Coast Health Institute (SCHI), Birtinya, Queensland, Australia
| | - Debbie Massey
- School of Health and Human Sciences, Southern Cross University, Lismore, New South Wales, Australia
| | - Marianne Wallis
- Schoolof Nursing, Midwifery and Paramedicine, University of the Sunshine Coast (USC), Sippy Downs, Queensland, Australia.,Sunshine Coast Health Institute (SCHI), Birtinya, Queensland, Australia
| | - Deepa Sriram
- Schoolof Nursing, Midwifery and Paramedicine, University of the Sunshine Coast (USC), Sippy Downs, Queensland, Australia.,Sunshine Coast Health Institute (SCHI), Birtinya, Queensland, Australia
| | - Nicholas A Gray
- Renal Unit, Sunshine Coast University Hospital, Birtinya, Queensland, Australia.,Sunshine Coast Clinical School, University of Queensland, Brisbane, Queensland, Australia
| | - Sradha Kotwal
- Renal and Metabolic Division, The George institute for Global Health, Sydney, New South Wales, Australia
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21
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Zhan Z, Smyth B, Toussaint ND, Gray NA, Zuo L, de Zoysa JR, Chan CT, Jin C, Scaria A, Hawley CM, Perkovic V, Jardine MJ, Zhang L. Effect of extended hours dialysis on markers of chronic kidney disease-mineral and bone disorder in the ACTIVE Dialysis study. BMC Nephrol 2019; 20:258. [PMID: 31299919 PMCID: PMC6624904 DOI: 10.1186/s12882-019-1438-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 06/24/2019] [Indexed: 02/08/2023] Open
Abstract
Background Chronic Kidney Disease - Mineral and Bone Disorder (CKD-MBD) is a significant cause of morbidity among haemodialysis patients and is associated with pathological changes in phosphate, calcium and parathyroid hormone (PTH). In the ACTIVE Dialysis study, extended hours dialysis reduced serum phosphate but did not cause important changes in PTH or serum calcium. This secondary analysis aimed to determine if changes in associated therapies may have influenced these findings and to identify differences between patient subgroups. Methods The ACTIVE Dialysis study randomised 200 participants to extended hours haemodialysis (≥24 h/week) or conventional haemodialysis (≤18 h/week) for 12 months. Mean differences between treatment arms in serum phosphate, calcium and PTH; and among key subgroups (high vs. low baseline phosphate/PTH, region, time on dialysis, dialysis setting and frequency) were examined using mixed linear regression. Results Phosphate binder use was reduced with extended hours (− 0.83 tablets per day [95% CI -1.61, − 0.04; p = 0.04]), but no differences in type of phosphate binder, use of vitamin D, dose of cinacalcet or dialysate calcium were observed. In adjusted analysis, extended hours were associated with lower phosphate (− 0.219 mmol/L [− 0.314, − 0.124; P < 0.001]), higher calcium (0.046 mmol/L [0.007, 0.086; P = 0.021]) and no change in PTH (0.025 pmol/L [− 0.107, 0.157; P = 0.713]). The reduction in phosphate with extended hours was greater in those with higher baseline PTH and dialysing at home. Conclusion Extended hours haemodialysis independently reduced serum phosphate levels with minimal change in serum calcium and PTH levels. With a few exceptions, these results were consistent across patient subgroups. Trial registration Clinicaltrials.gov NCT00649298. Registered 1 April 2008. Electronic supplementary material The online version of this article (10.1186/s12882-019-1438-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Zhipeng Zhan
- Department of Nephrology, China-Japan Friendship Hospital, 2 Yinghuayuan E St, Chaoyang Qu, Beijing Shi, 100096, China.,Department of Nephrology, Second Clinical Medical Institution of North Sichuan Medical College, Nanchong, China
| | - Brendan Smyth
- The George Institute for Global Health, UNSW, 1 King St, Newtown, Sydney, 2042, Australia.,Sydney School of Public Health, University of Sydney, Sydney, Australia
| | - Nigel D Toussaint
- Department of Nephrology, The Royal Melbourne Hospital, Melbourne, Australia
| | - Nicholas A Gray
- Sunshine Coast University Hospital, Birtinya, Australia.,Sunshine Coast Clinical School, University of Queensland, Birtinya, Australia
| | - Li Zuo
- Peking University People's Hospital, Beijing, China
| | - Janak R de Zoysa
- North Shore Hospital, Auckland, New Zealand.,Department of Medicine, University of Auckland, Auckland, New Zealand
| | | | - Chenggang Jin
- School of Social Development and Public Policy, Beijing Normal University, Beijing, China
| | - Anish Scaria
- The George Institute for Global Health, UNSW, 1 King St, Newtown, Sydney, 2042, Australia
| | - Carmel M Hawley
- Department of Nephrology, Princess Alexandra Hospital, Brisbane, Australia
| | - Vlado Perkovic
- The George Institute for Global Health, UNSW, 1 King St, Newtown, Sydney, 2042, Australia
| | - Meg J Jardine
- The George Institute for Global Health, UNSW, 1 King St, Newtown, Sydney, 2042, Australia. .,Renal Unit, Concord Repatriation General Hospital, Sydney, Australia.
| | - Ling Zhang
- Department of Nephrology, China-Japan Friendship Hospital, 2 Yinghuayuan E St, Chaoyang Qu, Beijing Shi, 100096, China.
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Abstract
AIM Lower socioeconomic status (SES) has been associated with increased dialysis mortality. This study aimed to determine if the quality of care (QOC) delivered to dialysis patients varied by SES. METHODS All non-Indigenous adults commencing haemodialysis (HD) or peritoneal dialysis (PD) registered with the Australia and New Zealand Dialysis and Transplant Registry between 2002 and 2012 were included. Each patient's location at dialysis start was classified into SES quartiles of advantaged to disadvantaged. Guidelines were used to determine attainment of adequate QOC at 6-<18 months and 18-<30 months after dialysis start, using logistic regression models. QOC measures included pre-dialysis phosphate, calcium, haemoglobin, transferrin saturation and ferritin. HD-related parameters included single pool Kt/V and percentage with functioning arteriovenous fistula/graft. PD-related parameters included weekly Kt/V and percentage transferring to HD. RESULTS Of 19 486 commencing dialysis, the median age was 65 years (interquartile range 53-74), 62.2% were male and 85.1% were Caucasian. At 6-<18 months after dialysis start, there were no significant differences by SES in attainment of biochemical targets, PD or HD adequacy. The disadvantaged quartile was less likely to achieve haemoglobin targets (odds ratio 0.88, 0.80-0.96, P = 0.01) or have a functioning arteriovenous fistula or graft (odds ratio 0.79, 0.68-0.92, P = 0.003) compared with the most advantaged group. Vascular access differences persisted at 18-<30 months. CONCLUSION Other than vascular access, area-level SES has minimal impact on QOC attainment among non-Indigenous dialysis patients in Australia. Increased mortality in lower SES groups may be due to pre-dialysis factors and other variables such as health-related behaviours, lifestyle and literacy.
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Affiliation(s)
- Rathika Krishnasamy
- Department of Nephrology, Sunshine Coast University Hospital, Sunshine Coast Region, Queensland, Australia.,The University of Queensland, Sunshine Coast Clinical School, Sunshine Coast University Hospital, Sunshine Coast Region, Queensland, Australia.,Australia and New Zealand Dialysis and Transplant Registry, Adelaide, South Australia, Australia
| | - Dev Jegatheesan
- Australia and New Zealand Dialysis and Transplant Registry, Adelaide, South Australia, Australia.,Department of Nephrology, Princess Alexandra Hospital, Brisbane, Queensland, Australia.,School of Medicine, The University of Queensland, Brisbane, Queensland, Australia
| | - Paul Lawton
- Australia and New Zealand Dialysis and Transplant Registry, Adelaide, South Australia, Australia.,Menzies School of Health Research, Darwin, Northern Territory, Australia
| | - Nicholas A Gray
- Department of Nephrology, Sunshine Coast University Hospital, Sunshine Coast Region, Queensland, Australia.,The University of Queensland, Sunshine Coast Clinical School, Sunshine Coast University Hospital, Sunshine Coast Region, Queensland, Australia.,Australia and New Zealand Dialysis and Transplant Registry, Adelaide, South Australia, Australia
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23
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Abstract
BACKGROUND The creation and maintenance of dialysis vascular access is associated with significant morbidity. Structured management pathways can reduce this morbidity, yet practice patterns in Australia and New Zealand are not known. We aimed to describe the arteriovenous access practices in dialysis units in Australia and New Zealand. METHODS An online survey comprising 51 questions was completed by representatives from dialysis units from both countries. In addition to descriptive analysis, responses were compared between units inside and outside of major cities. RESULTS Of 64 contacted units, 48 (75%) responded (Australia 43, New Zealand 5), representing 38% of dialysis units in Australia and New Zealand. While 94% of units provided pre-dialysis education, only 60% reported a structured pre-dialysis pathway and 69% had a dedicated vascular access nurse. Most units routinely monitored fistula/graft function using flow rate measurement (73%) or recirculation studies (63%). A minority used routine ultrasound (35%). Thrombectomy, fistuloplasty and peritoneal dialysis catheter insertion were rarely performed by nephrologists (4%, 4% and 17% of units, respectively). Units outside of a major city were less likely to have access to a local vascular access surgeon (6/13 (46%) vs 35/35 (100%), P < 0.001). There were no other significant differences between units on the basis of location. CONCLUSION Much variation exists in unit management of arteriovenous access. Structured pre-dialysis pathways and dedicated vascular access nurses may be underutilised in Australia and New Zealand. The use of regular access blood flow measurement and ultrasound is common in both countries despite a lack of data supporting its effectiveness. There is room for both practice improvement and a need for further evidence to ensure optimal arteriovenous access care.
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Affiliation(s)
- Brendan Smyth
- The George Institute for Global Health, UNSW, Newtown, NSW, Australia.,Sydney School of Public Health, University of Sydney, Sydney, NSW, Australia
| | - Sradha Kotwal
- The George Institute for Global Health, UNSW, Newtown, NSW, Australia.,Department of Nephrology, Prince of Wales Hospital, Sydney, NSW, Australia
| | - Martin Gallagher
- The George Institute for Global Health, UNSW, Newtown, NSW, Australia.,Concord Clinical School, University of Sydney, Sydney, NSW, Australia
| | - Nicholas A Gray
- Sunshine Coast University Hospital, Birtinya, QLD, Australia.,Sunshine Coast Clinical School, University of Queensland, Brisbane QLD, Australia
| | - Kevan R Polkinghorne
- Department of Epidemiology and Preventive Medicine, Monash University, Prahran, VIC, Australia.,Departments of Nephrology & Medicine, Monash Medical Centre, Monash University, Clayton, VIC, Australia
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24
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Gilbertson EL, Krishnasamy R, Foote C, Kennard AL, Jardine MJ, Gray NA. Burden of Care and Quality of Life Among Caregivers for Adults Receiving Maintenance Dialysis: A Systematic Review. Am J Kidney Dis 2018; 73:332-343. [PMID: 30454885 DOI: 10.1053/j.ajkd.2018.09.006] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Accepted: 09/16/2018] [Indexed: 01/11/2023]
Abstract
RATIONALE & OBJECTIVE Dialysis is a burdensome and complex treatment for which many recipients require support from caregivers. The impact of caring for people dependent on dialysis on the quality of life of the caregivers has been incompletely characterized. STUDY DESIGN Systematic review of quantitative studies of quality of life and burden to caregivers. SETTING & STUDY POPULATION Caregivers of adults receiving maintenance dialysis. SELECTION CRITERIA FOR STUDIES The Cochrane Library, Embase, PsycINFO, CINAHL, PubMed, and MEDLINE were systematically searched from inception until December 2016 for quantitative studies of caregivers. Pediatric and non-English language studies were excluded. Study quality was assessed using a modified Newcastle-Ottawa scale. DATA EXTRACTION 2 independent reviewers selected studies and extracted data using a prespecified extraction instrument. ANALYTICAL APPROACH Descriptive reports of demographics, measurement scales, and outcomes. Quantitative meta-analysis using random effects when possible. RESULTS 61 studies were identified that included 5,367 caregivers from 21 countries and assessed the impact on caregivers using 70 different scales. Most (85%) studies were cross-sectional. The largest identified group of caregivers was female spouses who cared for recipients of facility-based hemodialysis (72.3%) or peritoneal dialysis (20.6%). Caregiver quality of life was poorer than in the general population, mostly comparable with caregivers of people with other chronic diseases, and often better than experienced by the dialysis patients cared for. Caregiver quality of life was comparable across dialysis modalities. LIMITATIONS Heterogeneity in study design and outcome measures made comparisons between studies difficult and precluded quantitative meta-analysis. Study quality was generally poor. CONCLUSIONS Quality of life of caregivers of dialysis recipients is poorer than in the general population and comparable to that of caregivers of individuals with other chronic diseases. The impact of caring for recipients of home hemodialysis or changes in the impact of caring over time have not been well studied. Further research is needed to optimally inform dialysis programs how to educate and support caregivers.
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Affiliation(s)
- Elise L Gilbertson
- Department of Nephrology, Sunshine Coast Clinical School, Sunshine Coast University Hospital, Birtinya, Queensland; The University of Queensland, Sunshine Coast Clinical School, Sunshine Coast University Hospital, Birtinya, Queensland
| | - Rathika Krishnasamy
- Department of Nephrology, Sunshine Coast Clinical School, Sunshine Coast University Hospital, Birtinya, Queensland; The University of Queensland, Sunshine Coast Clinical School, Sunshine Coast University Hospital, Birtinya, Queensland
| | - Celine Foote
- The George Institute for Global Health, UNSW, Sydney, New South Wales, Australia; Concord and Repatriation General Hospital, Concord, New South Wales, Australia
| | - Alice L Kennard
- Department of Nephrology, Sunshine Coast Clinical School, Sunshine Coast University Hospital, Birtinya, Queensland
| | - Meg J Jardine
- The George Institute for Global Health, UNSW, Sydney, New South Wales, Australia; Concord and Repatriation General Hospital, Concord, New South Wales, Australia
| | - Nicholas A Gray
- Department of Nephrology, Sunshine Coast Clinical School, Sunshine Coast University Hospital, Birtinya, Queensland; The University of Queensland, Sunshine Coast Clinical School, Sunshine Coast University Hospital, Birtinya, Queensland.
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Smyth B, Kotwal S, Gallagher M, Gray NA, Polkinghorne K. Dialysis catheter management practices in Australia and New Zealand. Nephrology (Carlton) 2018; 24:827-834. [PMID: 30267459 DOI: 10.1111/nep.13507] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/22/2018] [Indexed: 12/20/2022]
Abstract
AIM Dialysis catheter-associated infections (CAI) are a serious and costly burden on patients and the health-care system. Many approaches to minimizing catheter use and infection prophylaxis are available and the practice patterns in Australia and New Zealand are not known. We aimed to describe dialysis catheter management practices in dialysis units in Australia and New Zealand. METHODS Online survey comprising 52 questions, completed by representatives from dialysis units from both countries. RESULTS Of 64 contacted units, 48 (75%) responded (Australia 43, New Zealand 5), representing 79% of the dialysis population in both countries. Nephrologists (including trainees) inserted non-tunnelled catheters at 60% and tunnelled catheters at 31% of units. Prophylactic antibiotics were given with catheter insertion at 21% of units. Heparin was the most common locking solution for both non-tunnelled (77%) and tunnelled catheters (69%), with antimicrobial locks being predominant only in New Zealand (80%). Eight different combinations of exit site dressing were in use, with an antibiotic patch being most common (35%). All units in New Zealand and 84% of those in Australia undertook CAI surveillance. However, only 51% of those units were able to provide a figure for their most recent rate of catheter-associated bacteraemia per 1000 catheter days. CONCLUSION There is wide variation in current dialysis catheter management practice and CAI surveillance is suboptimal. Increased attention to the scope and quality of CAI surveillance is warranted and further evidence to guide infection prevention is required.
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Affiliation(s)
- Brendan Smyth
- The George Institute for Global Health, University of New South Wales, Sydney, New South Wales, Australia.,Sydney School of Public Health, University of Sydney, Sydney, New South Wales, Australia
| | - Sradha Kotwal
- The George Institute for Global Health, University of New South Wales, Sydney, New South Wales, Australia.,Department of Nephrology, Prince of Wales Hospital, Sydney, New South Wales, Australia
| | - Martin Gallagher
- The George Institute for Global Health, University of New South Wales, Sydney, New South Wales, Australia.,Concord Clinical School, University of Sydney, Sydney, New South Wales, Australia
| | - Nicholas A Gray
- Department of Renal Medicine, Sunshine Coast University Hospital, Sunshine Coast, Queensland, Australia.,Sunshine Coast Clinical School, University of Queensland, Sunshine Coast, Queensland, Australia
| | - Kevan Polkinghorne
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia.,Departments of Nephrology and Medicine, Monash Medical Centre, Monash University, Melbourne, Victoria, Australia
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Krishnasamy R, Gray NA. Low socio-economic status adversely effects dialysis survival in Australia. Nephrology (Carlton) 2018; 23:453-460. [PMID: 28383177 DOI: 10.1111/nep.13053] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Revised: 02/15/2017] [Accepted: 03/29/2017] [Indexed: 01/02/2023]
Abstract
AIM Low socio-economic status (SES) is associated with increased incidence of end-stage kidney disease and in the USA, poorer dialysis survival. All Australians have access to a universal healthcare system. METHODS The study included all non-indigenous adult Australians registered with the Australia and New Zealand Dialysis and Transplant Registry who commenced dialysis between 2003 and 2013. SES at dialysis start was classified into quartiles of advantaged through to disadvantaged using Australian Bureau of Statistics socio-economic indexes for areas. The primary outcome was survival assessed using a competing risk regression model with renal transplantation as a competing risk. There was a significant interaction between age and SES, and hence, age-stratified survival analyses were performed. RESULTS A total 20 810 commenced dialysis during the study period. Mortality for the most advantaged quartile was 102.4/1000 person-years (95% confidence interval (CI) 98.0-106.9) compared with 110.7/1000 person-years (95% CI 105.8-115.7) in the disadvantaged quartile. In adjusted analysis, dialysis survival, compared with quartile 1 (advantaged), was inferior in quartile 3 (sub-hazard ratio 1.10, 95% CI 1.03-1.17) and the disadvantaged quartile (sub-hazard ratio 1.09, 85% CI 1.02-1.16) and was significantly modified by age. This disparity in survival outcome between the different SES quartiles was only observed in younger patients but was attenuated in the older ones following an age-stratified analysis. CONCLUSIONS In Australia, low SES has an adverse effect on dialysis patient survival despite universal healthcare. This effect is mainly among younger patients where SES may have a greater proportional impact than co-morbidities.
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Affiliation(s)
- Rathika Krishnasamy
- Department of Nephrology, Nambour General Hospital, Nambour, Queensland, Australia.,The University of Queensland, Sunshine Coast Clinical School, Nambour General Hospital, Nambour, Queensland, Australia.,Australia and New Zealand Dialysis and Transplant Registry, Adelaide, South Australia, Australia
| | - Nicholas A Gray
- Department of Nephrology, Nambour General Hospital, Nambour, Queensland, Australia.,The University of Queensland, Sunshine Coast Clinical School, Nambour General Hospital, Nambour, Queensland, Australia.,Australia and New Zealand Dialysis and Transplant Registry, Adelaide, South Australia, Australia
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Haarsager J, Krishnasamy R, Gray NA. Impact of pay for performance on access at first dialysis in Queensland. Nephrology (Carlton) 2018; 23:469-475. [PMID: 28240802 DOI: 10.1111/nep.13037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Revised: 02/21/2017] [Accepted: 02/22/2017] [Indexed: 11/27/2022]
Abstract
AIM Commencement of haemodialysis with an arteriovenous fistula (AVF) or arteriovenous graft (AVG) is associated with improved survival compared with commencement with a central venous catheter. In 2011-2012, Queensland Health made incentive payments to renal units for early referred patients who commenced peritoneal dialysis (PD), or haemodialysis with an AVF/AVG. The aim of this study was to determine if pay for performance improved clinical care. METHODS All patients who commenced dialysis in Australia between 2009 and 2014 and were registered with the Australia and New Zealand Dialysis and Transplant Registry (ANZDATA) were included. A multivariable regression model was used to compare rates of commencing dialysis with a PD catheter or permanent AVF/AVG during the pay-for-performance period (2011-2012) with periods prior (2009-2010) and after (2013-2014). RESULTS A total of 10 858 early referred patients commenced dialysis during the study period, including 2058 in Queensland. In Queensland, PD as first modality increased with time (P < 0.001) but there was no change in AVF/AVG rate at first haemodialysis (P = 0.5). In a multivariate model using the pay-for-performance period as reference, the odds ratio for commencement with PD or haemodialysis with an AVF/AVG in Queensland was 1.02 (95% CI 0.81-1.29) in 2009-2010 and 1.28 (95% CI 1.01-1.61) in 2013-2014. There was no change for the rest of Australia (0.97 95% CI 0.87-1.09 in 2009-2010 and 1.00 95% CI 0.90-1.11 in 2013-14). CONCLUSION Pay for performance did not improve rates of commencement of dialysis with PD or an AVF/AVG during the payment period. A lag effect on clinical care may explain the improvement in later years.
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Affiliation(s)
- Jennie Haarsager
- Department of Nephrology, Nambour General Hospital, Nambour, Queensland, Australia
| | - Rathika Krishnasamy
- Department of Nephrology, Nambour General Hospital, Nambour, Queensland, Australia.,Sunshine Coast Clinical School, Nambour General Hospital, The University of Queensland, Nambour, Queensland, Australia.,Australia and New Zealand Dialysis and Transplant Registry, Adelaide, South Australia, Australia
| | - Nicholas A Gray
- Department of Nephrology, Nambour General Hospital, Nambour, Queensland, Australia.,Sunshine Coast Clinical School, Nambour General Hospital, The University of Queensland, Nambour, Queensland, Australia.,Australia and New Zealand Dialysis and Transplant Registry, Adelaide, South Australia, Australia
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28
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Liao JL, van den Broek-Best O, Smyth B, Hong D, Vo K, Zuo L, Gray NA, Chan CT, de Zoysa J, Perkovic V, Jiang L, Jardine M. Effect of extended hours dialysis on sleep quality in a randomized trial. Nephrology (Carlton) 2018; 24:430-437. [PMID: 29424935 DOI: 10.1111/nep.13236] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/05/2018] [Indexed: 02/05/2023]
Abstract
AIM Poor sleep quality is common in haemodialysis patients and associated with worse outcomes. In this pre-specified analysis, we examined the impact of extended hours haemodialysis on sleep quality. METHODS The ACTIVE Dialysis trial randomized 200 participants to extended (≥24 h/week) or standard (target 12-15 h) hours haemodialysis over 12 months. Sleep quality was measured in the Kidney Disease Quality of Life Short Form 1.3 (KDQOL-SF) by overall sleep quality score (0-10, 10 = 'very good') and the sleep subscale (0-100, 100 = 'best possible sleep') every 3 months via blinded telephone interview. The average intervention effect was calculated by mixed linear regression adjusted by time point and baseline score. Factors predicting sleep quality were assessed by multivariate regression analysis. RESULTS Overall sleep quality score and sleep subscale at baseline were similar in both groups (5.9 [95%CI 5.4-6.4] vs. 6.3 [5.9-6.8]; 65.0 [60.9-69.1] vs. 63.2 [59.1-67.3]; extended and standard hours, respectively). Extended hours haemodialysis led to a non-significant improvement in overall sleep quality score (average intervention effect 0.44 (-0.01 to 0.89), P = 0.053) and sleep subscale (average intervention effect 3.58 (-0.02 to 7.18), P = 0.051). Poor sleep quality was associated with being female and with current smoking. Sleep quality was positively associated with EuroQol-5D (EQ5D) and the SF-36 Physical Component and Mental Component Summary Scores but not with hospitalizations. CONCLUSION Sleep quality was not significantly improved by extended hours dialysis in this study. Sleep quality is positively correlated with quality of life in haemodialysis patients and is poorer in women and current smokers.
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Affiliation(s)
- Jin-Lan Liao
- Renal Division, Peking University Shenzhen Hospital, Shenzhen, China
| | | | - Brendan Smyth
- Renal & Metabolic Division, The George Institute for Global Health, UNSW, Sydney, New South Wales, Australia.,Sydney Medical School, University of Sydney, Sydney, New South Wales, Australia
| | - Daqing Hong
- Renal & Metabolic Division, The George Institute for Global Health, UNSW, Sydney, New South Wales, Australia.,Renal Department, Sichuan Provincial People's Hospital, Chengdu, China.,Medical School of UESTC, Chengdu, China
| | - Kha Vo
- Statistics Division, The George Institute for Global Health, UNSW, Sydney, Australia.,New South Wales Bureau of Health Information, University of Queensland, Brisbane, Queensland, Australia
| | - Li Zuo
- Department of Nephrology, Peking University People's Hospital, Beijing, China
| | - Nicholas A Gray
- The Sunshine Coast Clinical School, University of Queensland, Australia
| | | | - Janak de Zoysa
- Department of Medicine, The University of Auckland, New Zealand
| | - Vlado Perkovic
- Renal & Metabolic Division, The George Institute for Global Health, UNSW, Sydney, New South Wales, Australia
| | - Lei Jiang
- Renal Division, Peking University Shenzhen Hospital, Shenzhen, China
| | - Meg Jardine
- Renal & Metabolic Division, The George Institute for Global Health, UNSW, Sydney, New South Wales, Australia.,Statistics Division, The George Institute for Global Health, UNSW, Sydney, Australia
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Campbell VK, Anstey CM, Gately RP, Comeau DC, Clark CJ, Noble EP, Mahadevan K, Hollett PR, Pollock AJ, Hall ST, Jones DR, Burg D, Gray NA. Urine and serum midkine levels in an Australian chronic kidney disease clinic population: an observational study. BMJ Open 2017; 7:e014615. [PMID: 28963279 PMCID: PMC5623449 DOI: 10.1136/bmjopen-2016-014615] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Revised: 05/12/2017] [Accepted: 05/22/2017] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND AND OBJECTIVES The cytokine midkine (MK) is pathologically implicated in progressive chronic kidney disease (CKD) and its systemic consequences and has potential as both a biomarker and therapeutic target. To date, there are no published data on MK levels in patients with different stages of CKD. This study aims to quantify MK levels in patients with CKD and to identify any correlation with CKD stage, cause, progression, comorbid disease or prescribed medication. METHODS In this observational, single-centre study, demographic data were collected, and serum and urine assayed from 197 patients with CKD and 19 healthy volunteers in an outpatient setting. RESULTS The median serum and urine MK level in volunteers was 754 pg/mL (IQR: 554-1025) and 239 pg/mL (IQR: 154-568), respectively. Compared with serum MK in stage 1 CKD (660 pg/mL, IQR: 417-893), serum MK increased in stage 3 (1878 pg/mL, IQR: 1188-2756; p<0.001), 4 (2768 pg/mL, IQR: 2065-4735; p<0.001) and 5 (4816 pg/mL, IQ: 37477807; p<0.001). Urine MK levels increased from stage 1 CKD (343 pg/mL, IQR: 147-437) to stage 3 (1007 pg/mL, IQR: 465-2766; p=0.07), 4 (2961 pg/mL, IQR: 1368-5686; p=0.005) and 5 (6722 pg/mL, IQR: 3796-10 060; p=0.001). Fractional MK excretion (FeMK) increased from stage 1 CKD (0.159, IQR: 0.145-0.299) to stage 3 (1.024, IQR: 0.451-1.886, p=0.047), 4 (3.39, IQR: 2.10-5.82, p=0.004) and 5 (11.95, IQR: 5.36-24.41, p<0.001). When adjusted for estimated glomerular filtration rate, neither serum nor urine MK correlated with primary CKD diagnosis or CKD progression (small sample). There was a positive correlation between protein:creatinine ratio and FeMK (p=0.003). Angiotensin blockade (adjusted for proteinuria) was associated with lower urine MK (p=0.018) and FeMK (p=0.025). CONCLUSION MK levels sequentially rise with CKD stage beyond stage 2, and our data support existing animal evidence for an MK/renin angiotensin-system/proteinuria relationship. To what extent this is related to renal clearance versus pathology, or the consequences of chronically elevated MK levels requires further exploration.
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Affiliation(s)
- Victoria K Campbell
- Renal Unit, Nambour General Hospital, Nambour, Australia
- Sunshine Coast Clinical School, The University of Queensland, Nambour, Australia
- Intensive Care Unit, Nambour General Hospital, Nambour, Australia
| | - Chris M Anstey
- Sunshine Coast Clinical School, The University of Queensland, Nambour, Australia
- Intensive Care Unit, Nambour General Hospital, Nambour, Australia
| | - Ryan P Gately
- Renal Unit, Nambour General Hospital, Nambour, Australia
| | - Drew C Comeau
- Renal Unit, Nambour General Hospital, Nambour, Australia
| | - Carolyn J Clark
- Renal Unit, Nambour General Hospital, Nambour, Australia
- Sunshine Coast Clinical School, The University of Queensland, Nambour, Australia
| | - Euan P Noble
- Renal Unit, Nambour General Hospital, Nambour, Australia
| | - Kumar Mahadevan
- Renal Unit, Nambour General Hospital, Nambour, Australia
- Sunshine Coast Clinical School, The University of Queensland, Nambour, Australia
| | - Peter R Hollett
- Renal Unit, Nambour General Hospital, Nambour, Australia
- Sunshine Coast Clinical School, The University of Queensland, Nambour, Australia
| | | | | | | | | | - Nicholas A Gray
- Renal Unit, Nambour General Hospital, Nambour, Australia
- Sunshine Coast Clinical School, The University of Queensland, Nambour, Australia
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30
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Ngwanya MR, Gray NA, Gumedze F, Ndyenga A, Khumalo NP. Higher concentrations of dithranol appear to induce hair growth even in severe alopecia areata. Dermatol Ther 2017; 30. [PMID: 28598005 DOI: 10.1111/dth.12500] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Accepted: 04/17/2017] [Indexed: 11/26/2022]
Abstract
Alopecia areata (AA) is the commonest autoimmune cause of non-scarring alopecia. Topical treatments including corticosteroids and irritants maybe beneficial. Studies report variable hair regrowth with dithranol (anthralin) but all used low concentrations (0.1-1.25%) and inconsistent measurements of AA severity. We report retrospective data (2005-2014) of 102 patients who had failed ultra-potent topical steroids and were referred to a specialist hair clinic for treatment with dithranol up to 3%. The severity of alopecia areata tool was used and participants graded as mild (<25%), moderate (>25 to 75%), and severe (>75%) hair loss. Compared with baseline any and at-least 50% hair regrowth [72%, 68%, 50% and 61.5%, 48.4%, 37.5%, in mild, moderate and severe AA respectively] occurred in all groups (median treatment duration 12 months). Twenty-nine patients (28.4%) were discharged with complete regrowth; with no difference in proportions in severity groups (33.3%, 29%, and 21.9%) but in the period to discharge [7.9, 6.3, and 29.4 months (p-values <.05)] for mild, moderate, and severe AA. Treatment trials of 12 months with dithranol at higher concentrations may be an option in patients who failed potent topical or intra-lesional steroids) regardless of AA severity. Randomized trials (of less staining formulations) of dithranol are warranted.
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Affiliation(s)
- M R Ngwanya
- Division of Dermatology, Groote Schuur Hospital, University of Cape Town, South Africa
| | - N A Gray
- Division of Dermatology, Groote Schuur Hospital, University of Cape Town, South Africa
| | - F Gumedze
- Department of Statistical Sciences, University of Cape Town, South Africa
| | - A Ndyenga
- Division of Dermatology, Groote Schuur Hospital, University of Cape Town, South Africa
| | - N P Khumalo
- Division of Dermatology, Groote Schuur Hospital, University of Cape Town, South Africa
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Jardine MJ, Zuo L, Gray NA, de Zoysa JR, Chan CT, Gallagher MP, Monaghan H, Grieve SM, Puranik R, Lin H, Eris JM, Zhang L, Xu J, Howard K, Lo S, Cass A, Perkovic V. A Trial of Extending Hemodialysis Hours and Quality of Life. J Am Soc Nephrol 2017; 28:1898-1911. [PMID: 28151412 PMCID: PMC5461782 DOI: 10.1681/asn.2015111225] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Accepted: 11/28/2016] [Indexed: 02/05/2023] Open
Abstract
The relationship between increased hemodialysis hours and patient outcomes remains unclear. We randomized (1:1) 200 adult recipients of standard maintenance hemodialysis from in-center and home-based hemodialysis programs to extended weekly (≥24 hours) or standard (target 12-15 hours, maximum 18 hours) hemodialysis hours for 12 months. The primary outcome was change in quality of life from baseline assessed by the EuroQol 5 dimension instrument (3 level) (EQ-5D). Secondary outcomes included medication usage, clinical laboratory values, vascular access events, and change in left ventricular mass index. At 12 months, median weekly hemodialysis hours were 24.0 (interquartile range, 23.6-24.0) and 12.0 (interquartile range, 12.0-16.0) in the extended and standard groups, respectively. Change in EQ-5D score at study end did not differ between groups (mean difference, 0.04 [95% confidence interval, -0.03 to 0.11]; P=0.29). Extended hours were associated with lower phosphate and potassium levels and higher hemoglobin levels. Blood pressure (BP) did not differ between groups at study end. Extended hours were associated with fewer BP-lowering agents and phosphate-binding medications, but were not associated with erythropoietin dosing. In a substudy with 95 patients, we detected no difference between groups in left ventricular mass index (mean difference, -6.0 [95% confidence interval, -14.8 to 2.7] g/m2; P=0.18). Five deaths occurred in the extended group and two in the standard group (P=0.44); two participants in each group withdrew consent. Similar numbers of patients experienced vascular access events in the two groups. Thus, extending weekly hemodialysis hours did not alter overall EQ-5D quality of life score, but was associated with improvement in some laboratory parameters and reductions in medication burden. (Clinicaltrials.gov identifier: NCT00649298).
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Affiliation(s)
- Meg J Jardine
- The George Institute for Global Health,
- Department of Renal Medicine, Concord Repatriation General Hospital, Sydney, Australia
| | - Li Zuo
- Department of Nephrology, Peking University People's Hospital, Beijing, China
| | - Nicholas A Gray
- Department of Renal Medicine, Nambour General Hospital, Nambour, Australia
- Sunshine Coast Clinical School, The University of Queensland, Brisbane, Australia
| | - Janak R de Zoysa
- Department of Nephrology, North Shore Hospital, University of Auckland, Auckland, New Zealand
| | | | | | | | - Stuart M Grieve
- Sydney Translational Imaging Laboratory, Charles Perkins Centre, Sydney Medical School, and
- Departments of Radiology, Cardiology, and
| | - Rajesh Puranik
- Sunshine Coast Clinical School, The University of Queensland, Brisbane, Australia
- Specialist Magnetic Resonance Imaging, Newtown, Australia
| | - Hongli Lin
- First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Josette M Eris
- Department of Renal Medicine, Royal North Shore Hospital, Sydney, Australia
| | - Ling Zhang
- Department of Nephrology, China-Japan Friendship Hospital, Beijing, China
| | - Jinsheng Xu
- Fourth Hospital Affiliated to Hebei Medical University, Shijiazhuang, China
| | - Kirsten Howard
- School of Public Health, University of Sydney, Sydney, Australia
- Institute for Choice, University of South Australia, Sydney, Australia
| | | | - Alan Cass
- Menzies School of Health Research, Charles Darwin University, Darwin, Australia; and
| | - Vlado Perkovic
- The George Institute for Global Health
- Department of Renal Medicine, Royal North Shore Hospital, Sydney, Australia
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Beaton TJ, Krishnasamy R, Toussaint ND, Phoon RK, Gray NA. Nephrology training in Australia and New Zealand: A survey of outcomes and adequacy. Nephrology (Carlton) 2017; 22:35-42. [PMID: 26732068 DOI: 10.1111/nep.12720] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Revised: 12/23/2015] [Accepted: 12/23/2015] [Indexed: 11/27/2022]
Abstract
BACKGROUND Advanced training programmes in nephrology should provide broad exposure to all aspects of nephrology. In Australia and New Zealand (ANZ), the Advanced Training Committee in Nephrology oversees training, and recent increases in trainee numbers have led to concern about dilution of experience. AIM To investigate early career paths of nephrologists in ANZ and determine the adequacy of training by comparing self-determined competency and skill relevance among recently graduated nephrologists. METHODS In 2015, the Advanced Training Committee in Nephrology administered an online survey during the annual subscription for members of the Australian and New Zealand Society of Nephrology. Nephrologists who were awarded Fellowship after 2002 were invited to participate. RESULTS The survey was completed by 113 Fellows with 8 respondents excluded (response rate 44.1%). Initial post-Fellowship work included full-time public hospital appointments (34.3%) or undertaking full-time higher research degrees (41.9%). The majority reported securing their desired employment. Respondents indicated adequate training in most clinical skills; however, responses of 'well trained' in home haemodialysis (41.8%), conservative care (42.9%), automated peritoneal dialysis (38.8%), and assessment of kidney transplant recipients (48%) and living kidney donors (34.7%) were less adequate. Although considered highly relevant to current practice, responses of 'well trained' were low for management and research skills, including complaint management (16.3%), private practice management (2%), health system knowledge (14.3%) and regulations (6.1%), ethics approval (23.5%), research funding (11.2%) and quality assurance (26.5%). CONCLUSION Nephrology training in ANZ generally meets clinical needs and most secure their desired employment. Training in management and research are areas for improvement.
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Affiliation(s)
| | | | | | | | - Nicholas A Gray
- Nambour Hospital, Nambour, Australia.,Sunshine Coast Clinical School, The University of Queensland, Nambour, Queensland, Australia
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Morton RL, Webster AC, McGeechan K, Howard K, Murtagh FE, Gray NA, Kerr PG, Germain MJ, Snelling P. Conservative Management and End-of-Life Care in an Australian Cohort with ESRD. Clin J Am Soc Nephrol 2016; 11:2195-2203. [PMID: 27697783 PMCID: PMC5142079 DOI: 10.2215/cjn.11861115] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2015] [Accepted: 07/28/2016] [Indexed: 11/23/2022]
Abstract
BACKGROUND AND OBJECTIVES We aimed to determine the proportion of patients who switched to dialysis after confirmed plans for conservative care and compare survival and end-of-life care among patients choosing conservative care with those initiating RRT. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS A cohort study of 721 patients on incident dialysis, patients receiving transplants, and conservatively managed patients from 66 Australian renal units entered into the Patient Information about Options for Treatment Study from July 1 to September 30, 2009 were followed for 3 years. A two-sided binomial test assessed the proportion of patients who switched from conservative care to RRT. Cox regression, stratified by center and adjusted for patient and treatment characteristics, estimated factors associated with 3-year survival. RESULTS In total, 102 of 721 patients planned for conservative care, and median age was 80 years old. Of these, 8% (95% confidence interval, 3% to 13%), switched to dialysis, predominantly for symptom management. Of 94 patients remaining on a conservative pathway, 18% were alive at 3 years. Of the total 721 patients, 247 (34%) died by study end. In multivariable analysis, factors associated with all-cause mortality included older age (hazard ratio, 1.55; 95% confidence interval, 1.36 to 1.77), baseline serum albumin <3.0 versus 3.7-5.4 g/dl (hazard ratio, 4.31; 95% confidence interval, 2.72 to 6.81), and management with conservative care compared with RRT (hazard ratio, 2.18; 95% confidence interval, 1.39 to 3.40). Of 247 deaths, patients managed with RRT were less likely to receive specialist palliative care (26% versus 57%; P<0.001), more likely to die in the hospital (66% versus 42%; P<0.001) than home or hospice, and more likely to receive palliative care only within the last week of life (42% versus 15%; P<0.001) than those managed conservatively. CONCLUSIONS Survival after 3 years of conservative management is common, with relatively few patients switching to dialysis. Specialist palliative care services are used more frequently and at an earlier time point for conservatively managed patients, a practice associated with better symptom management and quality of life.
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Affiliation(s)
- Rachael L. Morton
- National Health and Medical Research Council Clinical Trials Centre, Sydney Medical School and
| | - Angela C. Webster
- Sydney School of Public Health, The University of Sydney, Camperdown, New South Wales, Australia
| | - Kevin McGeechan
- Sydney School of Public Health, The University of Sydney, Camperdown, New South Wales, Australia
| | - Kirsten Howard
- Sydney School of Public Health, The University of Sydney, Camperdown, New South Wales, Australia
| | - Fliss E.M. Murtagh
- Cicely Saunders Institute, King’s College London, Denmark Hill, United Kingdom
| | - Nicholas A. Gray
- Sunshine Coast Clinical School, The University of Queensland and Renal Unit, Nambour General Hospital, Nambour, Australia
| | - Peter G. Kerr
- Department of Nephrology, Monash Medical Centre, Clayton, Australia
| | - Michael J. Germain
- Department of Medicine, Division of Nephology, Baystate Medical Center, Springfield, Massachusetts; and
| | - Paul Snelling
- Department of Renal Medicine Royal Prince Alfred Hospital, Camperdown, Australia
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Chan S, Oliver KA, Gray NA. An association between membranoproliferative glomerulonephritis and metastatic colorectal carcinoma: a case report. J Med Case Rep 2016; 10:199. [PMID: 27439394 PMCID: PMC4955154 DOI: 10.1186/s13256-016-0979-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Accepted: 06/21/2016] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Membranoproliferative glomerulonephritis is a common pattern of glomerular injury in monoclonal gammopathy, but has only rarely been associated with solid organ tumors, mainly lung, renal, gastric, breast, and prostate. There have been two reported cases of membranoproliferative glomerulonephritis associated with adenocarcinoma of the colon and rectum, although the association may be coincidental. We report a case where nephrotic syndrome due to membranoproliferative glomerulonephritis developed in a patient with colorectal carcinoma and elucidate some of the pathophysiological mechanisms underpinning this presentation. CASE PRESENTATION A 54-year-old white man with a history of adenocarcinoma of the colon with metastasis to the liver and ureter presented with a 1-week history of bilateral pedal edema, and worsening hypertension and renal function. A renal biopsy confirmed membranoproliferative glomerulonephritis type I. Curative therapy for the malignancy was not possible, so treatment was commenced with prednisolone with consequential biochemical improvement in renal function and proteinuria, although his serum albumin remained low. CONCLUSIONS This case report illustrates an association between membranoproliferative glomerulonephritis and metastatic colorectal carcinoma and adds to the evidence to consider malignancy to be an underlying pathology among newly diagnosed cases of nephrotic syndrome. In the clinical setting, treatment of the underlying malignancy should be first considered in patients with a tumor presenting with kidney disease which is suspected to be paraneoplastic in etiology.
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Affiliation(s)
- Samuel Chan
- Department of Renal Medicine, Nambour General Hospital, Nambour, Queensland, Australia. .,The University of Queensland, School of Medicine, Brisbane, Queensland, Australia.
| | - Kimberley A Oliver
- The University of Queensland, School of Medicine, Brisbane, Queensland, Australia.,Department of Pathology, Princess Alexandra Hospital, Woolloongabba, Queensland, Australia
| | - Nicholas A Gray
- Department of Renal Medicine, Nambour General Hospital, Nambour, Queensland, Australia.,The University of Queensland, Sunshine Coast Clinical School, Nambour General Hospital, Nambour, Queensland, Australia
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Jardine MJ, Zuo LI, Gray NA, de Zoysa J, Chan CT, Gallagher MP, Howard K, Hertier S, Cass A, Perkovic V. Design and participant baseline characteristics of 'A Clinical Trial of IntensiVE Dialysis': the ACTIVE Dialysis Study. Nephrology (Carlton) 2015; 20:257-65. [PMID: 25529309 DOI: 10.1111/nep.12385] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/16/2014] [Indexed: 02/05/2023]
Abstract
AIMS Observational reports suggest extended dialysis hours are associated with improved outcomes. These findings are confounded by better prognostic characteristics among people practising extended hours. The aim of this article is to provide an overview of the methods and baseline characteristics for ACTIVE Dialysis Study participants. METHODS This multicentre, randomized, open-label, blinded endpoint-assessment trial randomized participants receiving maintenance haemodialysis therapy to either extended (≥24 h) or standard (12-18 h) weekly haemodialysis for 12 months. A web-based randomization system used minimization to ensure balanced allocation across regions, dialysis setting and dialysis vintage. The primary outcome is the change in quality of life over 12 months of study treatment assessed by EQ-5D. Secondary outcomes include change in left ventricular mass index assessed by magnetic resonance imaging and safety outcomes including dialysis access events. RESULTS A total of 200 participants were recruited between 2009 and 2013 from Australia (29.0%), China (62.0%), Canada (5.5%) and New Zealand (3.5%). Participants had a mean age of 52 (± 12) years and 11.5% were dialysing at home, with a mean duration of 13.9 h per week over a median of three sessions. At baseline, 32.5% had a history of cardiovascular disease and 36.5% had diabetes. CONCLUSION The ACTIVE Dialysis Study has met its planned recruitment target. The participant population are drawn from a range of health service settings in a global context. The study will contribute important evidence on the benefits and harms of extending weekly dialysis hours. The trial is registered at clinicaltrials.gov (NCT00649298).
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Affiliation(s)
- Meg J Jardine
- The George Institute for Global Health, Sydney, New South Wales, Australia; Renal Unit, Concord Repatriation General Hospital, Sydney, New South Wales, Australia
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Gray NA, Wolley M, Liew A, Nakayama M. Natural disasters and dialysis care in the Asia-Pacific. Nephrology (Carlton) 2015; 20:873-80. [DOI: 10.1111/nep.12522] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/22/2015] [Indexed: 11/27/2022]
Affiliation(s)
- Nicholas A Gray
- Department of Renal Medicine; Nambour General Hospital; Nambour Queensland Australia
- The University of Queensland; Sunshine Coast Clinical School; Nambour General Hospital; Nambour Queensland Australia
| | - Martin Wolley
- Department of Renal Medicine; Royal Brisbane and Women's Hospital; Brisbane Queensland Australia
- School of Medicine; The University of Queensland; Brisbane Queensland Australia
| | - Adrian Liew
- Department of Renal Medicine; Tan Tock Seng Hospital; Singapore
| | - Masaaki Nakayama
- Department of Nephrology and Hypertension; Fukushima Medical University School of Medicine; Fukushima Japan
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Gray NA, Kapojos JJ, Burke MT, Sammartino C, Clark CJ. Patient kidney disease knowledge remains inadequate with standard nephrology outpatient care. Clin Kidney J 2015; 9:113-8. [PMID: 26798471 PMCID: PMC4720188 DOI: 10.1093/ckj/sfv108] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2015] [Accepted: 10/01/2015] [Indexed: 11/23/2022] Open
Abstract
Background Chronic kidney disease (CKD) knowledge among patients newly referred to a nephrology clinic is limited. This study aimed to determine if CKD knowledge 1 year after initial consultation in a nephrology clinic improves with standard care. Methods Patients newly referred to a nephrology outpatient clinic received standard care from nephrologists, and had access to educational pamphlets, relevant internet sites and patient support groups. Those with estimated glomerular filtration rate <20 mL/min/1.73 m2 received individual education from a multi-disciplinary team. Knowledge was assessed by questionnaire at first visit and after 12 months. Results Of 210 patients at baseline, follow-up data were available at 12.7 (±1.7) months for 95. Median age was 70 [interquartile range (IQR) 60–76] years and 54% were male. Baseline median creatinine of the follow-up cohort was 137 (IQR 99–179) µmol/L. Eighty per cent had seen a nephrologist at least three times, 8% saw a CKD nurse, 50% reported collecting pamphlets and 16% reported searching the internet. At 12 months, fewer patients reported being uncertain why they had been referred (5 versus 20%, P = 0.002) and fewer reported being unsure of the meaning of CKD (37 versus 57%, P = 0.005). Unknown (44%) and alcohol (23%) remained the most common causes of CKD identified. Fewer patients responded ‘unsure’ regarding the treatment of CKD (38 versus 57%, P = 0.004). Conclusions After a year of standard care at nephrology outpatient clinics there were some minor improvements in patient knowledge; however, patient understanding of CKD remained poor.
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Affiliation(s)
- Nicholas A Gray
- Department of Nephrology, Nambour General Hospital, Nambour, QLD, Australia; The University of Queensland, Sunshine Coast Clinical School, Nambour General Hospital, Nambour, QLD, Australia
| | - Jola J Kapojos
- Department of Nephrology , Alice Springs Hospital , Alice Springs, NT , Australia
| | - Michael T Burke
- Department of Nephrology, Princess Alexandra Hospital, Brisbane, QLD, Australia; The University of Queensland, School of Medicine, Brisbane, QLD, Australia
| | | | - Carolyn J Clark
- Department of Nephrology, Nambour General Hospital, Nambour, QLD, Australia; The University of Queensland, Sunshine Coast Clinical School, Nambour General Hospital, Nambour, QLD, Australia
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Lawton PD, Cunningham J, Zhao Y, Gray NA, Chatfield MD, Baade PD, Murali K, Jose MD. Survival of Indigenous Australians receiving renal replacement therapy: closing the gap? Med J Aust 2015; 202:200-4. [PMID: 25716603 DOI: 10.5694/mja14.00664] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2014] [Accepted: 09/22/2014] [Indexed: 11/17/2022]
Abstract
OBJECTIVES To compare mortality rates for Indigenous and non-Indigenous Australians commencing renal replacement therapy (RRT) over time and by categories of remoteness of place of residence. DESIGN, SETTING AND PARTICIPANTS An observational cohort study of Australia and New Zealand Dialysis and Transplant Registry (ANZDATA) data on Indigenous and non-Indigenous Australians registered with ANZDATA who commenced RRT from 1 January 1995 to 31 December 2009 and were followed until 31 December 2011. MAIN OUTCOME MEASURES Five-year all-cause mortality for Indigenous and non-Indigenous patients in three cohorts (1995-1999, 2000-2004 and 2005-2009) and five remoteness (of place of residence) categories. RESULTS Indigenous patients were younger, more likely to have diabetes, be referred late and be from a more remote area than non-Indigenous patients. Age and comorbid conditions increased with successive cohorts for both groups. Unadjusted analysis (using the log-rank test) showed an increased risk of death for Indigenous patients in the 1995-1999 (P = 0.02) and 2000-2004 (P = 0.03) cohorts, but not for the 2005-2009 cohort (P = 0.7). However, a Cox proportional hazards model adjusted for covariates (age, sex, late referral and comorbid conditions [diabetes, coronary artery disease, peripheral vascular disease, cerebrovascular disease, lung disease], and body mass index < 18.5 kg/m(2) and > 30 kg/m(2)) showed the following Indigenous:non-Indigenous hazard ratios (with 95% CIs) for major capital cities: 1995-1999, 1.47 (1.21-1.79); 2000-2004, 1.35 (1.12-1.63); and 2005-2009, 1.37 (1.14-1.66). CONCLUSIONS Although unadjusted analysis suggests that the survival gap between Indigenous and non-Indigenous patients receiving RRT has closed, there remains a significant disparity in survival after adjusting for the variables considered in our study.
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Affiliation(s)
- Paul D Lawton
- Menzies School of Health Research, Darwin, NT, Australia.
| | | | - Yuejen Zhao
- Northern Territory Department of Health, Darwin, NT, Australia
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Lawton PD, Cunningham J, Zhao Y, Gray NA, Chatfield MD, Baade PD, Murali K, Jose MD. Survival of Indigenous Australians receiving renal replacement therapy: closing the gap? Med J Aust 2015; 202:297. [DOI: 10.5694/mjac14.00664] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2014] [Accepted: 09/22/2014] [Indexed: 11/17/2022]
Affiliation(s)
| | | | - Yuejen Zhao
- Northern Territory Department of Health, Darwin, NT
| | | | | | | | | | - Matthew D Jose
- University of Tasmania, Hobart, TAS
- Royal Hobart Hospital, Hobart, TAS
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Lim WH, Gray NA, Chadban SJ, Pilmore H, Wong G. Graft and patient outcomes of zero-human leucocyte-antigen-mismatched deceased and live donor kidney transplant recipients. Transpl Int 2015; 28:610-8. [DOI: 10.1111/tri.12542] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2014] [Revised: 11/26/2014] [Accepted: 02/09/2015] [Indexed: 11/27/2022]
Affiliation(s)
- Wai H. Lim
- Department of Renal Medicine; Sir Charles Gairdner Hospital; Perth WA Australia
- Australia and New Zealand Dialysis and Transplant Registry; Adelaide SA Australia
| | - Nicholas A. Gray
- Australia and New Zealand Dialysis and Transplant Registry; Adelaide SA Australia
- Department of Renal Medicine; Nambour General Hospital; Nambour Qld Australia
| | - Steven J. Chadban
- Australia and New Zealand Dialysis and Transplant Registry; Adelaide SA Australia
- Renal Unit; Royal Prince Alfred Hospital; Sydney NSW Australia
| | - Helen Pilmore
- Australia and New Zealand Dialysis and Transplant Registry; Adelaide SA Australia
- Renal Unit; Auckland Hospital; Auckland New Zealand
- Department of Medicine; Auckland University; Auckland New Zealand
| | - Germaine Wong
- Australia and New Zealand Dialysis and Transplant Registry; Adelaide SA Australia
- Sydney School of Public Health; University of Sydney; Camperdown NSW Australia
- Centre for Kidney Research; The Children's Hospital at Westmead; Westmead NSW Australia
- Centre for Transplant and Renal Research; Westmead Hospital; Westmead NSW Australia
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Gray NA, Mahadevan K, Campbell VK, Noble EP, Anstey CM. Data quality of the Australia and New Zealand Dialysis and Transplant Registry: a pilot audit. Nephrology (Carlton) 2014; 18:665-70. [PMID: 23841726 DOI: 10.1111/nep.12126] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/01/2013] [Indexed: 11/28/2022]
Abstract
AIM Most clinical registries in Australia, including the Australia and New Zealand Dialysis and Transplant Registry (ANZDATA), do not audit submitted data. Inaccurate data can bias registry analysis. This study aimed to audit data submitted to ANZDATA from a single region. METHODS A retrospective audit of individual haemodialysis patient data recorded by ANZDATA at 31 December 2009 was completed by nephrologists in a blinded fashion. Original data were recorded by nursing staff. Patients received treatment at a public hospital, two affiliated satellite haemodialysis units, and three private haemodialysis units. RESULTS Fifty-one audits were completed of a total 175 patients (29.1%) undertaking haemodialysis in 2009. Primary renal disease was correct in 86.3% (95%CI: 74.3-93.2), although errors in type of glomerulonephritis were common. Date of first dialysis (± 1-month error margin) was correct for 93.6%. Creatinine at first dialysis (± 10% error margin) was correct in 74.4%. Baseline comorbidity accuracy included: peripheral vascular disease (sensitivity 36.4% (95%CI: 24.6-50.1), specificity 82.8% (95%CI: 70.2-90.7)), ischaemic heart disease (sensitivity 69.2% (95%CI: 55.6-80.2), specificity 88.0% (95%CI: 76.3-94.3)), chronic lung disease (sensitivity 25.0% (95%CI: 15.2-38.3), specificity 93.6% (95%CI: 83.4-97.7)), diabetes (sensitivity 86.4% (95%CI: 74.4-93.2), specificity 96.6% (95%CI: 87.5-99.1)), cerebrovascular disease (sensitivity 75.0% (95%CI: 61.7-84.8), specificity 95.3% (95%CI: 85.8-98.6)), and ever smoked (sensitivity 83.3% (95%CI: 70.3-91.4), specificity 71.4% (95%CI: 57.3-82.3)). Non-melanoma skin cancer was under-reported and inaccurate. CONCLUSION Data accuracy was favourable compared with other renal registry validation studies. Data accuracy may be improved by education and training of collectors. A larger audit is necessary to validate ANZDATA.
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Affiliation(s)
- Nicholas A Gray
- Department of Renal Medicine, Nambour General Hospital, Nambour, Queensland, Australia; The University of Queensland, Sunshine Coast Clinical School, Nambour General Hospital, Nambour, Queensland, Australia
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Grace BS, Clayton PA, Gray NA, McDonald SP. Socioeconomic differences in the uptake of home dialysis. Clin J Am Soc Nephrol 2014; 9:929-35. [PMID: 24763865 PMCID: PMC4011450 DOI: 10.2215/cjn.08770813] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2013] [Accepted: 01/17/2014] [Indexed: 11/23/2022]
Abstract
BACKGROUND AND OBJECTIVES Home dialysis creates fewer lifestyle disruptions while providing similar or better outcomes than in-center hemodialysis. Socioeconomically advantaged patients are more likely to commence home dialysis (peritoneal dialysis and home hemodialysis) in many developed countries. This study investigated associations between socioeconomic status and uptake of home dialysis in Australia, a country with universal access to health care and comparatively high rates of home dialysis. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS This study analyzed 23,281 non-Indigenous adult patients who commenced chronic RRT in Australia from 2000 to 2011 according to the Australia and New Zealand Dialysis and Transplant Registry in a retrospective cohort study. This study investigated the proportion of patients who were ever likely to use home dialysis using nonmixture cure models and followed patients until the end of 2011 (median follow-up time=3.0 years, interquartile range=1.3-5.5 years). The main predictor was area socioeconomic status from postcodes grouped into quartiles using standard indices. RESULTS Patients from the most advantaged quartile of areas were less likely to commence peritoneal dialysis (odds ratio, 0.63; 95% confidence interval, 0.58 to 0.69) and more likely to use in-center hemodialysis than patients from the most disadvantaged areas (odds ratio, 1.19; 95% confidence interval, 1.10 to 1.30). Socioeconomic status was not associated with uptake of home hemodialysis. Rural areas were more disadvantaged and had higher rates of peritoneal dialysis, and privately funded hospitals rarely used home dialysis. Patients from the most advantaged quartile of areas were more likely to use private hospitals than patients from the most disadvantaged quartile (odds ratio, 5.9; 95% confidence interval, 4.6 to 7.5). CONCLUSION The lower incidence of peritoneal dialysis among patients from advantaged areas seems to be multifactorial. Identifying and addressing barriers to home dialysis in Australia could improve patient quality of life and reduce costs.
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Affiliation(s)
- Blair S. Grace
- Australia and New Zealand Dialysis and Transplant Registry, Royal Adelaide Hospital, Adelaide, South Australia, Australia
- Faculty of Health Sciences, University of Adelaide, Adelaide, South Australia, Australia
| | - Philip A. Clayton
- Australia and New Zealand Dialysis and Transplant Registry, Royal Adelaide Hospital, Adelaide, South Australia, Australia
- Department of Renal Medicine, Royal Prince Alfred Hospital, Sydney, Australia
- Sydney Medical School, University of Sydney, Sydney, Australia
| | - Nicholas A. Gray
- Australia and New Zealand Dialysis and Transplant Registry, Royal Adelaide Hospital, Adelaide, South Australia, Australia
- Department of Renal Medicine, Nambour General Hospital, Nambour, Queensland, Australia; and
- University of Queensland, Sunshine Coast Clinical School, Nambour General Hospital, Nambour, Queensland, Australia
| | - Stephen P. McDonald
- Australia and New Zealand Dialysis and Transplant Registry, Royal Adelaide Hospital, Adelaide, South Australia, Australia
- Faculty of Health Sciences, University of Adelaide, Adelaide, South Australia, Australia
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Abstract
BACKGROUND Australians living in rural areas have lower incidence rates of renal replacement therapy and poorer dialysis survival compared with urban dwellers. This study compares peritoneal dialysis (PD) patient characteristics and outcomes in rural and urban Australia. METHODS Non-indigenous Australian adults who commenced chronic dialysis between 1 January 2000 and 31 December 2010 according to the Australia and New Zealand Dialysis and Transplant Registry (ANZDATA) were investigated. Each patient's residence was classified according to the Australian Bureau of Statistics remote area index as major city (MC), inner regional (IR), outer regional (OR), or remote/very remote (REM). RESULTS A total of 7657 patients underwent PD treatment during the study period. Patient distribution was 69.0% MC, 19.6% IR, 9.5% OR, and 1.8% REM. PD uptake increased with increasing remoteness. Compared with MC, sub-hazard ratios [95% confidence intervals] for commencing PD were 1.70 [1.61-1.79] IR, 2.01 [1.87-2.16] OR, and 2.60 [2.21-3.06] REM. During the first 6 months of PD, technique failure was less likely outside MC (sub-hazard ratio 0.47 [95% CI: 0.35-0.62], P < 0.001), but no difference was seen after 6 months (sub-hazard ratio 1.05 [95% CI: 0.84-1.32], P = 0.6). Technique failure due to technical (sub-hazard ratio 0.57 [95% CI: 0.38-0.84], P = 0.005) and non-medical causes (sub-hazard ratio 0.52 [95% CI: 0.31-0.87], P = 0.01) was less likely outside MC. Time to first peritonitis episode was not associated with remoteness (P = 0.8). Patient survival while on PD or within 90 days of stopping PD did not differ by region (P = 0.2). CONCLUSIONS PD uptake increases with increasing remoteness. In rural areas, PD technique failure is less likely during the first 6 months and time to first peritonitis is comparable to urban areas. Mortality while on PD does not differ by region. PD is therefore a good dialysis modality choice for rural patients in Australia.
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Affiliation(s)
- Nicholas A Gray
- Department of Renal Medicine, Nambour General Hospital, Nambour, Queensland, Australia.
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Abstract
BACKGROUND Clinical outcomes for patients treated in public and private hospitals may be different. AIM The aim of the study was to compare the characteristics and outcomes of patients receiving dialysis at public and private hospitals in Queensland. METHODS Incident adult dialysis patients in Queensland registered with the Australia and New Zealand Dialysis and Transplant Registry between 1999 and 2009 were classified by dialysis modality at either a public or private hospital. Outcomes were dialysis patient characteristics and survival. RESULTS Three thousand, three hundred and ten patients commenced dialysis in public hospitals, 1939 haemodialysis (HD) and 1371 peritoneal dialysis (PD). Seven hundred and ninety-three patients commenced dialysis in private hospitals, 757 HD and 36 PD. Compared with public HD, private HD patients were older, had more coronary artery disease and less diabetes, and were more likely to live in an urban area. Public HD patients were more likely to be obese and referred late to a nephrologist. Nearly all indigenous patients were managed in public hospitals. Private patients were more likely to have an arteriovenous fistula or graft at first HD (P < 0.001) but not after excluding late referrals (P = 0.09). Public hospitals provided longer HD sessions and more HD hours per week for all age groups except 75+ years. Compared with public hospital HD, patient survival adjusted for multiple variables was comparable for private hospital HD (hazard ratio 1.20 (95% confidence interval 0.98-1.46, P = 0.07)) but worse for public PD (hazard ratio 1.14 (95% confidence interval 1.05-1.24, P = 0.002)). CONCLUSION Private HD patients are older and less likely to be diabetic than public patients. Patient survival is worse for public PD than public HD.
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Affiliation(s)
- N A Gray
- Department of Renal Medicine, and The University of Queensland, Sunshine Coast Clinical School, Nambour General Hospital, Nambour, Queensland, Australia.
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Johnson DW, Hayes B, Gray NA, Hawley C, Hole J, Mantha M. Renal services disaster planning: lessons learnt from the 2011 Queensland floods and North Queensland cyclone experiences. Nephrology (Carlton) 2013; 18:41-6. [PMID: 23252802 DOI: 10.1111/nep.12008] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
In 2011, Queensland dialysis services experienced two unprecedented natural disasters within weeks of each other. Floods in south-east Queensland and Tropical Cyclone Yasi in North Queensland caused widespread flooding, property damage and affected the provision of dialysis services, leading to Australia's largest evacuation of dialysis patients. This paper details the responses to the disasters and examines what worked and what lessons were learnt. Recommendations are made for dialysis units in relation to disaster preparedness, response and recovery.
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Affiliation(s)
- David W Johnson
- Department of Nephrology, University of Queensland at Princess Alexandra Hospital, Brisbane, Queensland, Australia.
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Esposito T, Lea RA, Maher BH, Moses D, Cox HC, Magliocca S, Angius A, Nyholt DR, Titus T, Kay T, Gray NA, Rastaldi MP, Parnham A, Gianfrancesco F, Griffiths LR. Unique X-linked familial FSGS with co-segregating heart block disorder is associated with a mutation in the NXF5 gene. Hum Mol Genet 2013; 22:3654-66. [PMID: 23686279 DOI: 10.1093/hmg/ddt215] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Focal segmental glomerulosclerosis (FSGS) is the consequence of a disease process that attacks the kidney's filtering system, causing serious scarring. More than half of FSGS patients develop chronic kidney failure within 10 years, ultimately requiring dialysis or renal transplantation. There are currently several genes known to cause the hereditary forms of FSGS (ACTN4, TRPC6, CD2AP, INF2, MYO1E and NPHS2). This study involves a large, unique, multigenerational Australian pedigree in which FSGS co-segregates with progressive heart block with apparent X-linked recessive inheritance. Through a classical combined approach of linkage and haplotype analysis, we identified a 21.19 cM interval implicated on the X chromosome. We then used a whole exome sequencing approach to identify two mutated genes, NXF5 and ALG13, which are located within this linkage interval. The two mutations NXF5-R113W and ALG13-T141L segregated perfectly with the disease phenotype in the pedigree and were not found in a large healthy control cohort. Analysis using bioinformatics tools predicted the R113W mutation in the NXF5 gene to be deleterious and cellular studies support a role in the stability and localization of the protein suggesting a causative role of this mutation in these co-morbid disorders. Further studies are now required to determine the functional consequence of these novel mutations to development of FSGS and heart block in this pedigree and to determine whether these mutations have implications for more common forms of these diseases in the general population.
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Affiliation(s)
- Teresa Esposito
- Institute of Genetics and Biophysics Adriano Buzzati-Traverso, National Research Council of Italy, Naples, Italy
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Lopez-Vargas PA, Craig JC, Gallagher MP, Walker RG, Snelling PL, Pedagogos E, Gray NA, Divi MD, Gillies AH, Suranyi MG, Thein H, McDonald SP, Russell C, Polkinghorne KR. Barriers to timely arteriovenous fistula creation: a study of providers and patients. Am J Kidney Dis 2011; 57:873-82. [PMID: 21411202 DOI: 10.1053/j.ajkd.2010.12.020] [Citation(s) in RCA: 72] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2010] [Accepted: 12/16/2010] [Indexed: 11/11/2022]
Abstract
BACKGROUND Current clinical practice guidelines recommend a native arteriovenous fistula (AVF) as the vascular access of first choice. Despite this, most patients in western countries start hemodialysis therapy using a catheter. Little is known regarding specific physician and system characteristics that may be responsible for delays in permanent access creation. STUDY DESIGN Multicenter cohort study using mixed methods; qualitative and quantitative analysis. SETTING & PARTICIPANTS 9 nephrology centers in Australia and New Zealand, including 319 adult incident hemodialysis patients. PREDICTOR Identification of barriers and enablers to AVF placement. OUTCOMES Type of vascular access used at the start of hemodialysis therapy. MEASUREMENTS Prospective data collection included data concerning predialysis education, interviews of center staff, referral times, and estimated glomerular filtration rate (eGFR) at AVF creation and dialysis therapy start. RESULTS 319 patients started hemodialysis therapy during the 6-month period, 39% with an AVF and 59% with a catheter. Perceived barriers to access creation included lack of formal policies for patient referral, long wait times for surgical review and access placement, and lack of a patient database for management purposes. eGFR thresholds at referral for and creation of vascular accesses were considerably lower than appreciated (in both cases, median eGFR of 7 mL/min/1.73 m(2)), with median wait times for access creation of only 3.7 weeks. First assessment by a nephrologist less than 12 months before dialysis therapy start was an independent predictor of catheter use (OR, 8.71; P < 0.001). Characteristics of the best performing centers included the presence of a formalized predialysis pathway with a centralized patient database and low nephrologist and surgeon to patient ratios. LIMITATIONS A limited number of patient-based barriers was assessed. Cross-sectional data only. CONCLUSIONS A formalized predialysis pathway including patient education and eGFR thresholds for access placement is associated with improved permanent vascular access placement.
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Gray NA. Management of intraoral hemorrhage. Gen Dent 1987; 35:116-9. [PMID: 3494650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Mathers JC, Thomas RJ, Gray NA, Johnson IL. The nutritive value of feed proteins which escape degradation in the rumen. Proc Nutr Soc 1979; 38:122A. [PMID: 530994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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