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Intensive Home Hemodialysis Survival Comparable to Deceased Donor Kidney Transplantation.

ABSTRACT: Introduction:Kidney transplantation (KT) remains the treatment of choice for end-stage kidney disease (ESKD), but access to transplantation is limited by a disparity between supply and demand for suitable organs. This organ shortfall has resulted in the use of a wider range of donor kidneys and, in parallel, a reexamination of potential alternative renal replacement therapies. Previous studies comparing Canadian intensive home hemodialysis (IHHD) with deceased donor (DD) KT in the United States reported similar survival, suggesting IHHD might be a plausible alternative. Methods:Using data from the Scientific Registry of Transplant Recipients and an experienced US-based IHHD program in Lynchburg, VA, we retrospectively compared mortality outcomes of a cohort of IHHD patients with transplant recipients within the same geographic region between October 1997 and June 2014. Results:We identified 3073 transplant recipients and 116 IHHD patients. Living donor KT (n = 1212) had the highest survival and 47% reduction in risk of death compared with IHHD (hazard ratio [HR]: 0.53; 95% confidence interval [CI]: 0.34-0.83). Survival of IHHD patients did not statistically differ from that of DD transplant recipients (n = 1834) in adjusted analyses (HR: 0.96; 95% CI: 0.62-1.48) or when exclusively compared with marginal (Kidney Donor Profile Index >85%) transplant recipients (HR: 1.35; 95% CI: 0.84-2.16). Conclusion:Our study showed comparable overall survival between IHHD and DD KT. For appropriate patients, IHHD could serve as bridging therapy to transplant and a tenable long-term renal replacement therapy.

SUBMITTER: Nishio-Lucar AG

PROVIDER: S-EPMC7056865 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Intensive Home Hemodialysis Survival Comparable to Deceased Donor Kidney Transplantation.

Nishio-Lucar Angie G AG Bose Subhasish S Lyons Genevieve G Awuah Kwabena T KT Ma Jennie Z JZ Lockridge Robert S RS

Kidney international reports 20200109 3

<h4>Introduction</h4>Kidney transplantation (KT) remains the treatment of choice for end-stage kidney disease (ESKD), but access to transplantation is limited by a disparity between supply and demand for suitable organs. This organ shortfall has resulted in the use of a wider range of donor kidneys and, in parallel, a reexamination of potential alternative renal replacement therapies. Previous studies comparing Canadian intensive home hemodialysis (IHHD) with deceased donor (DD) KT in the United ...[more]

PMID: 32154451

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Project description:To compare the mortality of elderly adults with end-stage renal disease (ESRD) treated with home hemodialysis (HD) with that of those receiving a kidney transplant (KTx).Prospective cohort.Pertinent data for the two groups were obtained from electronic medical records from a large dialysis provider and the U.S. Renal Data System.Using data from elderly adults (aged ?65) who started home HD and underwent KTx in the US between 2007 and 2011, a 1:1 propensity score (PS)-matched cohort of 960 elderly adults was created, and the association between treatment modality and all-cause mortality was examined using Cox proportional hazards and competing risk regression survival models using modality failure as a competing event.Modality of renal replacement therapy.The baseline mean age ± standard deviation of the PS-matched individuals undergoing home HD was 71 ± 6, and that of KTx recipients was 71 ± 5, 69% of both groups were male, 81% of those undergoing home HD and 79% of KTx recipients were white, and 11% and 12%, respectively, were African American. Median follow-up time was 205 days (interquartile range (IQR) 78-364 days) for those undergoing home HD and 795 days (IQR 366-1,221 days) for KTx recipients. There were 97 deaths (20%, 253/1,000 patient-years, 95% confidence interval (CI) = 207-309/1,000 patient-years) in the home HD group and 48 deaths (10%, 45/1,000 patient-years, 95% CI = 34-60/1,000 patient-years) in the KTx group. Elderly adults undergoing home HD had a risk of mortality that was almost five times as high as that of KTx recipients (hazard ratio = 4.74, 95% CI = 3.25-6.91). Similar results were seen in competing risk regression analyses (subhazard ratio = 4.71, 95% CI = 3.27-6.79). Results were consistent across different types of kidney donors and subgroups divided according to various recipient characteristics.Elderly adults with ESRD who receive a KTx have greater survival than those who undergo home HD. Further studies are needed to assess whether KTx receipt is associated with other benefits such as better quality of life and lower hospitalization rates.

Project description:Background and objectivesUse of diabetic donor kidneys has been a necessary response to the donor organ shortage. Recipients of diabetic donor kidneys have higher mortality risk compared with recipients of nondiabetic donor kidneys. However, the survival benefit of transplantation with diabetic donor kidneys over remaining on the waitlist has not been previously evaluated.Design, setting, participants, & measurementsWe performed an observational cohort study of 437,619 kidney transplant candidates from the Organ Procurement and Transplantation Network database, including 8101 recipients of diabetic donor kidneys and 126,560 recipients of nondiabetic donor kidneys. We used time-varying Cox proportional hazards modeling to assess the mortality risk of accepting a diabetic donor kidney compared with remaining on the waitlist or receiving a nondiabetic donor kidney.ResultsAmong transplant recipients, median follow-up was 8.9 years and mortality rate was 35 deaths per 1000 person-years. Recipients of diabetic donor kidneys had 9% lower mortality compared with remaining on the waitlist or transplantation with a nondiabetic donor kidney (adjusted hazard ratio, 0.91; 95% confidence interval, 0.84 to 0.98). Although recipients of nondiabetic donor kidneys with a Kidney Donor Profile Index score >85% had lower mortality risk (adjusted hazard ratio, 0.86; 95% confidence interval, 0.81 to 0.91), recipients of diabetic donor kidneys with an index score >85% did not show any difference (adjusted hazard ratio, 1.09; 95% confidence interval, 0.97 to 1.22). Patients aged <40 years attained no survival benefit from transplantation with diabetic donor kidneys; diabetic patients at centers with long waitlist times attained the greatest survival benefit.ConclusionsDiabetic donor kidneys appear associated with higher mortality risk compared with nondiabetic donor kidneys, but offer greater survival benefit compared with remaining on the waitlist for many candidates. Patients with high risk of mortality on the waitlist at centers with long wait times appear to benefit most from transplantation with diabetic donor kidneys.

Project description:Socioeconomically deprived individuals with renal disease are less likely to receive a live-donor kidney transplant than less-deprived individuals. This qualitative study aimed to identify reasons for the observed socioeconomic disparity in live-donor kidney transplantation.A qualitative study using face-to-face in-depth semistructured interviews.A UK tertiary renal referral hospital and transplant centre.Purposive sampling was used to select deceased-donor transplant recipients from areas of high socioeconomic deprivation (SED) (19 participants), followed by a low SED comparison group (13 participants), aiming for maximum diversity in terms of age, gender, ethnicity, primary renal disease and previous renal replacement therapy.Participants were interviewed following their routine transplant clinic review. Interviews were digitally audio-recorded and transcribed verbatim. Transcripts were coded using NVivo software and analysed using the constant comparison method described in Grounded Theory.Themes common and distinct to each socioeconomic group emerged. 6 themes appeared to distinguish between individuals from areas of high and low SED. 4 themes were distinct to participants from areas of high SED: (1) Passivity, (2) Disempowerment, (3) Lack of social support and (4) Short-term focus. 2 themes were distinct to the low SED group: (1) Financial concerns and (2) Location of donor.Several of the emerging themes from the high SED individuals relate to an individual's lack of confidence and skill in managing their health and healthcare; themes that are in keeping with low levels of patient activation. Inadequate empowerment of socioeconomically deprived individuals by healthcare practitioners was also described. Financial concerns did not emerge as a barrier from interviews with the high SED group. Interventions aiming to redress the observed socioeconomic inequity should be targeted at both patients and clinical teams to increase empowerment and ensure shared decision-making.

Dataset Information

Intensive Home Hemodialysis Survival Comparable to Deceased Donor Kidney Transplantation.

Publications

Intensive Home Hemodialysis Survival Comparable to Deceased Donor Kidney Transplantation.

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