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Bodington R, Hazara AM, Lamplugh A, Syed A, Bhandari S. Reassessing the utility of access recirculation and Kt/V for the prediction of arteriovenous fistula failure using online clearance monitoring: the SHUNT STUDY. J Nephrol 2023; 36:677-686. [PMID: 36445562 DOI: 10.1007/s40620-022-01525-4] [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: 04/07/2022] [Accepted: 11/06/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND The arteriovenous fistula (AVF) is prone to thrombosis which can be avoided by use of monitoring and surveillance programmes. Although surveillance imaging techniques have been shown to be more sensitive and specific than clinical monitoring during dialysis, monitoring may have significant advantages in terms of cost and time saving. In this study we evaluate the yield of two monitoring techniques [blood temperature monitoring (BTM) access recirculation (AR) and Kt/V via online-clearance-monitoring (OCM)]. METHODS In this single-centre prospective observational study, 101 patients were followed-up for one year. The primary outcome measure was a composite of AVF failure. OCM-Kt/V and BTM-AR were recorded at every dialysis session. RESULTS Of all baseline characteristics only a prior history of percutaneous transluminal angioplasty (PTA) to the AVF conferred a significant change in AVF survival (failure events/100 pt years with prior PTA vs. without = 64.0 vs. 17.3, log-rank p = 0.0014; unadjusted hazard ratio (HR) 3.74 (95% CI 1.56-8.94) p = 0.003). Participants with baseline AR < 10% vs. > 15% had poorer AVF survival (p = 0.0002) and HR for baseline AR 10-15% group vs. AR > 15% group = 4.5 (95% CI 1.55-13.05). There was no combination of change in (Δ) AR, ΔKt/V or its presence over any number of dialysis sessions that provided an acceptable combination of sensitivity and specificity or discrimination for AVF failure. CONCLUSIONS BTM-AR and OCM-Kt/V are specific but insufficiently sensitive tools for the prediction of AVF failure. BTM-AR and OCM-Kt/V use at every dialysis session appears to add little to the traditional, infrequent use of these evaluations.
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Affiliation(s)
- Richard Bodington
- Sheffield Kidney Institute, Northern General Hospital, Sheffield, S5 7AU, UK.
| | - Adil M Hazara
- Renal Research Department, Hull University Teaching Hospitals NHS Trust, Hull, UK
| | - Archie Lamplugh
- Renal Research Department, Hull University Teaching Hospitals NHS Trust, Hull, UK
| | - Ahsan Syed
- Department of Renal Medicine, Bradford Teaching Hospitals NHS Foundation Trust, Bradford, UK
| | - Sunil Bhandari
- Renal Research Department, Hull University Teaching Hospitals NHS Trust, Hull, UK
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Brzuszek A, Hazara AM, Bhandari S. The prevalence and potential aetiological factors associated with restless legs syndrome in patients with chronic kidney disease: a cross-sectional study. Int Urol Nephrol 2022; 54:2599-2607. [PMID: 35275357 DOI: 10.1007/s11255-022-03166-9] [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: 10/04/2021] [Accepted: 02/28/2022] [Indexed: 11/28/2022]
Abstract
BACKGROUND There is limited understanding of aetiological factors of and treatment options for restless leg syndrome (RLS) in patients with chronic kidney disease (CKD). This study aimed to estimate the prevalence of RLS in CKD patients and identify factors that may contribute to RLS. METHODS A questionnaire-based cross-sectional study of patients with CKD stage 4 (CKD 4), pre-dialysis stage 5 (CKD-5ND) and haemodialysis-dependent stage 5 (CKD-5D) was conducted. Eligible patients were enrolled from the local dialysis units and renal clinics. The International RLS Study Group rating scale was used to establish the diagnosis of RLS and quantify its severity. RESULTS 212 patients with CKD 4 (n = 92), CKD-5ND (n = 14) and CKD-5D (n = 106) were included. The overall prevalence of RLS was 32.1%. Women had a significantly higher odds of having RLS despite adjustment for age, diabetes, cardiovascular disease and whether patients were on dialysis (odds ratio 2.8 [95% confidence intervals 1.5-5.2]). In pre-dialysis groups, patients with RLS had significantly higher serum ferritin (323.9 [SD 338.1] vs 177.5 [SD 178.5] µg/L, p = 0.020) compared to non-RLS patients. In dialysis patients (CKD-5D), those with RLS had significantly higher total white cell (8.0 [SD 3.5] vs 6.8 [SD 1.9] × 109/L, p = 0.026) and neutrophil (6.4 [SD 3.9] vs 4.6 [SD1.7] × 109/L, p = 0.002) counts compared to patients without RLS. CONCLUSION RLS remains a significant problem in patients with CKD and may be related to underlying inflammation. Targeting this pathway may be useful. Prevalence of RLS, diagnosed using validated measures, is higher than previous reports. TRIAL REGISTRATION N/A (the current study is not a trial).
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Affiliation(s)
- Aleksandra Brzuszek
- Cardiology Department, Calderdale and Huddersfield NHS Foundation Trust, Salterhebble, Halifax, HX3 0PW, West Yorkshire, UK
| | - Adil M Hazara
- Department of Nephrology and Transplant Medicine, Hull Royal Infirmary, Hull University Teaching Hospitals NHS Trust, Anlaby Road, Hull, HU3 2JZ, UK.,Hull York Medical School, Hull, UK
| | - Sunil Bhandari
- Department of Nephrology and Transplant Medicine, Hull Royal Infirmary, Hull University Teaching Hospitals NHS Trust, Anlaby Road, Hull, HU3 2JZ, UK. .,Hull York Medical School, Hull, UK.
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Hazara AM, Allgar V, Twiddy M, Bhandari S. A mixed-method feasibility study of a novel transitional regime of incremental haemodialysis: study design and protocol. Clin Exp Nephrol 2021; 25:1131-1141. [PMID: 34101030 PMCID: PMC8421284 DOI: 10.1007/s10157-021-02072-1] [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: 03/08/2021] [Accepted: 04/26/2021] [Indexed: 12/12/2022]
Abstract
Background Incremental haemodialysis/haemodiafiltration (HD) may help reduce early mortality rates in patients starting HD. This mixed-method feasibility study aims to test the acceptability, tolerance and safety of a novel incremental HD regime, and to study its impact on parameters of patient wellbeing.
Method We aim to enrol 20 patients who will commence HD twice-weekly with progressive increases in duration and frequency, achieving conventional treatment times over 15 weeks (incremental group). Participants will be followed-up for 6 months and will undergo regular tests including urine collections, bio-impedance analyses and quality-of-life questionnaires. Semi-structured interviews will be conducted to explore patients’ prior expectations from HD, their motivations for participation and experiences of receiving incremental HD. For comparison of safety and indicators of dialysis adequacy, a cohort of 40 matched patients who previously received conventional HD will be constructed from local dialysis records (historical controls).
Results Data will be recorded on the numbers screened and proportions consented and completing the study (primary outcome). Incremental and conventional groups will be compared in terms of differences in blood pressure control, interdialytic weight changes, indicators of dialysis adequacy and differences in adverse and serious adverse events. In analyses restricted to incremental group, measurements of RRF, fluid load and quality-of-life during follow-up will be compared with baseline values. From patient interviews, a narrative description of key themes along with anonymised quotes will be presented. Conclusion Results from this study will address a significant knowledge gap in the prescription HD therapy and inform the development novel future therapy regimens.
Supplementary Information The online version contains supplementary material available at 10.1007/s10157-021-02072-1.
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Affiliation(s)
- Adil M Hazara
- Hull York Medical School, Hull, UK. .,Hull University Teaching Hospitals NHS Trust, Anlaby Road, Hull, HU3 2JZ, UK.
| | - Victoria Allgar
- Peninsula Medical School, Faculty of Health, University of Plymouth, N15, ITTC Building 1, Plymouth Science Park, Plymouth, PL6 8BX, UK
| | - Maureen Twiddy
- Institute of Clinical and Applied Health Research, University of Hull, Hull, HU6 7RX, UK
| | - Sunil Bhandari
- Hull York Medical School, Hull, UK.,Hull University Teaching Hospitals NHS Trust, Anlaby Road, Hull, HU3 2JZ, UK
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Hazara AM, Bhandari S. Age, Gender and Diabetes as Risk Factors for Early Mortality in Dialysis Patients: A Systematic Review. Clin Med Res 2021; 19:54-63. [PMID: 33582647 PMCID: PMC8231690 DOI: 10.3121/cmr.2020.1541] [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] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Revised: 10/11/2020] [Accepted: 12/11/2020] [Indexed: 02/07/2023]
Abstract
Objective: To study the impact of age, gender, and presence of diabetes (any type) on the risk of early deaths (180-day mortality) in patients starting long-term hemodialysis (HD) therapy.Design: Systematic review of the literature.Setting: Out-patient (non-hospitalized), community-based HD therapy world-wide.Participants: Patients with advanced chronic kidney disease (CKD) starting long-term HD treatment for end-stage renal disease (ESRD).Methods: Medline and EMBASE were searched for studies published between 1/1/1985 and 12/31/2017. Observational studies involving adult subjects commencing HD were included. Data extracted included population characteristics and settings. In addition, patient or treatment related factors studied with reference to their relationship with the risk of early mortality were documented. The Quality in Prognosis Studies tool was used to assess risk of bias in individual studies. Findings were summarized, and a narrative account was drawn.Results: Included were 26 studies (combined population 1,098,769; representing 287,085 person-years of observation for early mortality). There were 17 cohort and 9 case-control studies. Risk of bias was low in 13 and high in a further 13 studies. Patients who died in the early period were older than those who survived. Mortality rates increased with advancing age. Female gender was associated with slightly increased early mortality rates in larger and higher quality studies. The available data showed conflicting results in relation to the association of diabetes and risk of early mortality.Conclusions: This systematic review evaluated the impact of key demographic and co-morbid factors on risk of early mortality in patients starting maintenance HD. The information could help in delivering more tailored prognostic information and planning of future interventions.
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Affiliation(s)
- Adil M Hazara
- Department of Renal Medicine, Hull University Teaching Hospitals NHS Trust, Hull, United Kingdom
- Hull York Medical School, Hull, United Kingdom
| | - Sunil Bhandari
- Department of Renal Medicine, Hull University Teaching Hospitals NHS Trust, Hull, United Kingdom
- Hull York Medical School, Hull, United Kingdom
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Spencer S, Dickson F, Sofroniadou S, Naudeer S, Bhandari S, Hazara AM. The impact of e-alerts on inpatient diagnosis and management of acute kidney injury. Br J Hosp Med (Lond) 2021; 82:1-11. [PMID: 33646040 DOI: 10.12968/hmed.2020.0213] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
AIMS/BACKGROUND Electronic alerts can help with the early detection of acute kidney injury in hospitalised patients. Evidence for their role in improving patient care is limited. The authors have completed an audit loop to evaluate the impact of electronic alerts, and an associated acute kidney injury management pathway, on patient care. METHODS The audits were conducted at a large tertiary care hospital in the UK. Case notes were reviewed for 99 patients over two periods: pre-alert (in 2013; n=55) and post-alert (in 2018; n=44), using the same methodology. Patients for case note reviews were randomly chosen from the list of acute kidney injury alerts generated by the local laboratory information management system. RESULTS Recognition of acute kidney injury, as documented in the case notes, increased from 15% to 43% between the two periods. Time to first medical review (following electronic alerts) improved by 17 minutes (median 4 hours 4 minutes in 2013 vs 3 hours 47 minutes in 2018). Completion of pre-defined acute kidney injury assessment tasks (review of vital signs, biochemistry and acid-base parameters, evidence of fluid balance assessment, consideration of possible sepsis, and examination or requesting urinalysis) improved in 2018. However, acute kidney injury management tasks (correction of hypovolaemia, addressing or investigating obstruction, medications review, renal referral, requesting of further biochemical tests, addressing possible sepsis) showed very little or no improvement. CONCLUSIONS The introduction of acute kidney injury electronic alerts and management pathway resulted in improved recognition and initial assessment of patients with acute kidney injury. Further steps are needed to translate this in to improved patient management.
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Affiliation(s)
- Sebastian Spencer
- Department of Renal Medicine, Hull University Teaching Hospitals NHS Trust, Hull, UK
| | - Fay Dickson
- Department of Renal Medicine, Hull University Teaching Hospitals NHS Trust, Hull, UK
| | - Sofia Sofroniadou
- Department of Renal Medicine, Hull University Teaching Hospitals NHS Trust, Hull, UK
| | - Sarah Naudeer
- Department of Renal Medicine, Hull University Teaching Hospitals NHS Trust, Hull, UK
| | - Sunil Bhandari
- Department of Renal Medicine, Hull University Teaching Hospitals NHS Trust, Hull, UK.,Hull York Medical School, Hull, UK
| | - Adil M Hazara
- Department of Renal Medicine, Hull University Teaching Hospitals NHS Trust, Hull, UK.,Hull York Medical School, Hull, UK
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Hazara AM, Durrans K, Bhandari S. The role of patient portals in enhancing self-care in patients with renal conditions. Clin Kidney J 2019; 13:1-7. [PMID: 32082547 PMCID: PMC7025346 DOI: 10.1093/ckj/sfz154] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 09/30/2019] [Indexed: 12/11/2022] Open
Abstract
Web-based portals enable patients to access their electronic health records, including test results and clinical documents, from anywhere with Internet access. Some portals also serve as a means of two-way communication between patients and healthcare professionals and provide a platform for the recording of patient-entered data such as home blood pressure readings. Such systems are designed to encourage patient participation in the management of their condition, and ultimately to increase patient empowerment and self-management, which are associated with improved clinical outcomes. As an example of portal use in patients with renal conditions, we discuss the PatientView portal, which is offered free of cost to patients under the care of renal physicians in the UK. We present an account of its various features and briefly describe the user experience. Previous studies examining the impact of this portal on patient care have been very positive; it appears to be popular among users and overall levels of satisfaction with the service are high. As the use of patient portals increases, we discuss barriers to the more widespread use of portals. We offer suggestions on how the care of patients with renal conditions can be enhanced in the future by further developing the existing features, learning from experiences of other patient portals and providing better integration of portal use into the current model of care.
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Affiliation(s)
- Adil M Hazara
- Department of Renal Medicine, Hull University Teaching Hospitals NHS Trust, Hull, UK.,Hull York Medical School, University of Hull, Hull, UK
| | - Katherine Durrans
- Department of Nutrition and Dietetics, Hull University Teaching Hospitals NHS Trust, Hull, UK
| | - Sunil Bhandari
- Department of Renal Medicine, Hull University Teaching Hospitals NHS Trust, Hull, UK.,Hull York Medical School, University of Hull, Hull, UK
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Hazara AM, Bhandari S. Early Mortality Rates After Commencement of Maintenance Hemodialysis: A Systematic Review and Meta-Analysis. Ther Apher Dial 2019; 24:275-284. [PMID: 31574577 DOI: 10.1111/1744-9987.13437] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 09/10/2019] [Accepted: 09/17/2019] [Indexed: 12/13/2022]
Abstract
Mortality rates are reported to be high soon after the commencement of maintenance HD for ESRD. Our aim was to estimate early mortality rates (deaths within 180 days of starting therapy), through a systematic review of literature, in this patient population. Medline and EMBASE were searched for publications between 1 January 1985 and 31 December 2017. Observational studies reporting deaths involving adults commencing HD were included. The Quality in Prognosis Studies tool was used to assess risk of bias in studies. Crude mortality rates (expressed in 100 person-years) and age-standardized mortality ratios (SMR) were calculated. Meta-analyses of these rates were conducted for studies with lowest risk of bias (i.e. highest quality). In total, 32 studies were included (combined population: 1 083 264) representing 283 277 person-years of observation; median follow-up: 90 days. Mortality rates ranged between 12.8 and 55.6 per 100 person-years. Cardiovascular causes accounted for the majority of early deaths. Meta-analysis of high-quality studies showed an overall crude mortality rate of 32.6 per 100 person-years (95% CI 32.4-32.8). This equates to 16.3% mortality in first 180 days of starting HD. Six high-quality studies contained sufficient data for calculation of SMR. Meta-analysis of SMRs showed that patients starting HD therapy sustain 8.8 times higher mortality rates compared to the general population. We have combined the results of high-quality studies to produce new estimates of early mortality rates after commencement of HD therapy. This information can help relay more reliable prognostic information to this patient population.
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Affiliation(s)
- Adil M Hazara
- Department of Renal Medicine, Hull University Teaching Hospitals NHS Trust, Hull, UK.,Hull York Medical School, Hull, UK
| | - Sunil Bhandari
- Department of Renal Medicine, Hull University Teaching Hospitals NHS Trust, Hull, UK.,Hull York Medical School, Hull, UK
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Hazara AM, Elgaali M, Naudeer S, Holding S, Bhandari S. The Use of Automated Electronic Alerts in Studying Short-Term Outcomes Associated with Community-Acquired Acute Kidney Injury. Nephron Clin Pract 2016; 135:181-188. [PMID: 28030861 DOI: 10.1159/000454779] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Accepted: 11/26/2016] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND/AIMS The use of electronic alerts (e-alerts) may increase the detection rate of acute kidney injury (AKI) since they are sensitive to small changes in serum creatinine. Our aim was to follow-up a cohort of patients presenting to hospital from the community with AKI (community-acquired AKI [c-AKI]), detected through the use of e-alerts, and describe their short-term outcomes regardless of whether they were subsequently admitted to hospital. METHODS Blood samples for all hospital attenders from the community either to the Accidents and Emergency department or one of the acute care areas of the hospital during a 6-month period (November 1, 2013-April 30, 2014) were screened for presence of c-AKI using a locally developed e-alerts system based on Kidney Disease: Improving Global Outcomes criteria. Follow-up data were obtained for a period of 3 months. RESULTS A total of 1,277 c-AKI episodes were identified in 1,185 patients (incidence 579 per 100,000 persons). Episodes that lead to hospitalization (n = 1,096 [86%]) were associated with a median length of hospital stay of 6.6 days; a graded increase in duration of stay was noted with increasing severity of AKI. Acute dialysis was needed during 21 (1.6%) episodes. For mortality rates, only the first AKI episode was considered. There were 298 deaths within 30 days of diagnosis irrespective of admissions status (30-day mortality rate: 25%). CONCLUSIONS Using e-alerts in acute care settings to detect c-AKI is novel and may be used to stage and follow-up AKI using existing diagnostic criteria. c-AKI is relatively common and leads to significant mortality.
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Affiliation(s)
- Adil M Hazara
- Department of Renal Medicine, Hull and East Yorkshire Hospitals NHS Trust, Kingston-upon-Hull, UK
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9
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Hazara AM, Owen SJ, Bhandari S. The Impact of Lowering Haemoglobin Targets on Patterns of Erythropoiesis-Stimulating Agent Use in Patients on Haemodialysis. Blood Purif 2016; 41:287-92. [PMID: 26820617 DOI: 10.1159/000442280] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Accepted: 11/08/2015] [Indexed: 11/19/2022]
Abstract
BACKGROUND/AIMS Haemoglobin (Hb) targets have been reduced in patients receiving haemodialysis (HD). We have investigated the impact of new guidance on current practices and costs. METHODS Anaemia management in all patients undergoing thrice-weekly HD was retrospectively reviewed. Hb targets were compared against Kidney Disease: Improving Global Outcomes 2012 recommendations. The impact of new guidance was assessed by comparing anaemia parameters pre- and post-guideline publication. RESULTS Two hundred and ninety two patients, with a mean age of 64 years were included. The Hb target range was achieved in 44% patients and was above target in 51%. In a sub-group of 230 patients, the mean Hb did not differ during Q4-2011 and Q4-2012. A reduction in erythropoiesis-stimulating agent (ESA) use was observed. ESA efficiency (Hb/ESA) increased in the later period (6.08 vs. 6.41 g/l/μg) and was associated with a 3% cost reduction. CONCLUSION Introduction of guidelines lowering Hb targets in HD patients led to more efficient ESA usage and cost-savings. Anaemia treatment, however, remains unnecessarily aggressive in some patients. Further reductions in Hb and ESA dose are achievable.
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Affiliation(s)
- Adil M Hazara
- Department of Renal Medicine, Hull and East Yorkshire Hospitals NHS Trust, Kingston upon Hull, UK
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Hazara AM, Bhandari S. Barriers to patient participation in a self-management and education website Renal PatientView: A questionnaire-based study of inactive users. Int J Med Inform 2015; 87:10-4. [PMID: 26806707 DOI: 10.1016/j.ijmedinf.2015.12.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [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: 06/05/2015] [Revised: 12/02/2015] [Accepted: 12/07/2015] [Indexed: 11/15/2022]
Abstract
OBJECTIVES The Renal PatientView (RPV) website is an information and education tool aimed at increasing patient involvement in their care. We have conducted this study to elucidate why some users remain inactive on RPV despite initially signing up for the service. METHODS Patients at a teaching hospital in United Kingdom, who originally signed up for RPV but are no longer active (no logins during previous 6 months), were sent paper questionnaires. Responses were collected for up to 6 months. RESULTS Of the 190 questionnaires, 69 (39%) were returned partially or fully completed. Majority of respondents could access computer (94%) and internet (91%) from home. Reasons for inactivity among survey respondents included: loss of login credentials (45%), perception that it did not add anything to existing care (37%), being too busy (13%) and anxiety of viewing results from home (10%). Thirty-seven respondents provided free-text comments. Thematic analysis of these reinforced above findings and also indicated that despite infrequent use, some patients valued RPV availability. Patients made very little reference to using sections of the website other than test results. CONCLUSIONS Patients find RPV a valuable resource. It is, however, mainly seen as a portal to check blood test results; other sections of the website aimed at promoting self-management remain underutilized. Several local and central level changes, such as a robust system of user accounts handling, improved promotion, and emphasis on further development of self-management sections of RPV may help improve participation.
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Affiliation(s)
- Adil M Hazara
- Department of Renal Medicine, Hull and East Yorkshire Hospitals NHS Trust, Kingston upon Hull, United Kingdom; Hull York Medical School, Kingston upon Hull, United Kingdom.
| | - Sunil Bhandari
- Department of Renal Medicine, Hull and East Yorkshire Hospitals NHS Trust, Kingston upon Hull, United Kingdom; Hull York Medical School, Kingston upon Hull, United Kingdom
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Hazara AM, Bhandari S. Intravenous iron administration is associated with reduced platelet counts in patients with chronic kidney disease. J Clin Pharm Ther 2014; 40:20-3. [PMID: 25302541 DOI: 10.1111/jcpt.12218] [Citation(s) in RCA: 14] [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: 06/11/2014] [Accepted: 09/10/2014] [Indexed: 12/15/2022]
Abstract
WHAT IS KNOWN AND OBJECTIVE In the management of anaemia associated with chronic kidney disease (CKD), optimal use of intravenous (i.v.) iron has a central role. It minimizes reliance on erythropoiesis-stimulating agents (ESAs) and may be beneficial in reducing overall cardiovascular risks through its effects on platelet counts (PLT). We have examined the effects of i.v. iron on PLT in patients with CKD. METHODS Two hundred and three patients with CKD, referred to a single teaching hospital in UK for i.v. iron therapy, received low molecular-weight iron dextran at a median dose of 1000 milligrams given over a median time of 2 h and 40 min. PLT at baseline were compared with the measurements taken during a 4-month follow-up period post-infusion. RESULTS PLT were checked at various points following i.v. iron treatment. Compared with baseline, mean reduction in PLT ranged between 10.1 and 23.6 (×10(9) /L) during consecutive 15-days intervals post-treatment. At the reference point of 90-days post-infusion, the drop in PLT was statistically significant (P < 0.001). WHAT IS NEW AND CONCLUSION Low molecular-weight iron dextran in patients with CKD leads to reduction in PLT. This reduction appears soon after treatment and is maximal after 3 months. Prospective data are required to confirm these findings and examine whether this translates to a reduction in thrombotic episodes.
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Affiliation(s)
- A M Hazara
- Department of Renal of Medicine, Hull and East Yorkshire Hospitals NHS Trust, Kingston-upon-Hull, UK
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Hazara AM, Edey M, Roy A, Bhandari S. Rapidly growing non-tuberculous mycobacterial infection in a renal transplant patient after alemtuzumab induction. Transpl Infect Dis 2014; 16:847-52. [PMID: 25040696 DOI: 10.1111/tid.12269] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2013] [Revised: 02/17/2014] [Accepted: 05/04/2014] [Indexed: 11/27/2022]
Abstract
Renal transplant recipients are at high risk of developing opportunistic infections particularly in the first 6 months after transplantation. Organisms causing such infections include rapidly growing non-tuberculous mycobacteria (NTM). Lymphocytes have a central role in combating mycobacterial infections. The use of lymphocyte-depleting agents, such as alemtuzumab, in the renal transplant population has increased in recent years. A case of multifocal osteomyelitis caused by one of the NTM, Mycobacterium chelonae, in a renal transplant recipient, after alemtuzumab induction, is presented.
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Affiliation(s)
- A M Hazara
- Department of Renal Medicine, Hull and East Yorkshire Hospitals NHS Trust, Hull, UK
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Abstract
In patients with chronic digoxin toxicity, especially in the presence of renal impairment, a prolonged duration of continuous monitoring is required with consideration given to further doses of immune fab if necessary for re-emergence of toxicity.
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Affiliation(s)
- A M Hazara
- Academic Renal Research, 2nd Floor Alderson House, Hull Royal Infirmary, Analby Road, Hull HU3 2JZ, UK.
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