127 results on '"RACHEL E. PATZER"'
Search Results
2. Referral and Evaluation for Kidney Transplantation Following Implementation of the 2014 National Kidney Allocation System
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Rachel E. Patzer, Mengyu Di, Rebecca Zhang, Laura McPherson, Derek A. DuBay, Matthew Ellis, Joshua Wolf, Heather Jones, Carlos Zayas, Laura Mulloy, Amber Reeves-Daniel, Sumit Mohan, Aubriana C. Perez, Amal N. Trivedi, Stephen O. Pastan, Joel Adler, Alexander Berlin, Teri Browne, Kelley Canavan, Rosalyn Carter, Hannah Graves, Jessica Harding, Mark Kleman, Sana Malik, Prince Mohan, Rebekah Moshiri, Dorothy Muench, Rich Mutell, Jessica Newsome, Michael O’Shea, Laura Plantinga, Samantha Retzloff, Ana Rossi, Leighann Sauls, Robert Stratta, Larissa Teunis, and Megan Urbanski
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Cohort Studies ,Waiting Lists ,Nephrology ,Humans ,Kidney Failure, Chronic ,Kidney ,Kidney Transplantation ,Referral and Consultation ,United States - Abstract
The national kidney allocation system (KAS) implemented in December 2014 in the United States redefined the start of waiting time from the time of waitlisting to the time of kidney failure. Waitlisting has declined post-KAS, but it is unknown if this is due to transplant center practices or changes in dialysis facility referral and evaluation. The purpose of this study was to assess the impact of the 2014 KAS policy change on referral and evaluation for transplantation among a population of incident and prevalent patients with kidney failure.Cohort study.37,676 incident (2012-2016) patients in Georgia, North Carolina, and South Carolina identified within the US Renal Data System at 9 transplant centers and followed through December 2017. A prevalent population of 6,079 patients from the same centers receiving maintenance dialysis in 2012 but not referred for transplantation in 2012.KAS era (pre-KAS vs post-KAS).Referral for transplantation, start of transplant evaluation, and waitlisting.Multivariable time-dependent Cox models for the incident and prevalent population.Among incident patients, KAS was associated with increased referrals (adjusted HR, 1.16 [95% CI, 1.12-1.20]) and evaluation starts among those referred (adjusted HR, 1.16 [95% CI, 1.10-1.21]), decreased overall waitlisting (adjusted HR, 0.70 [95% CI, 0.65-0.76]), and lower rates of active waitlisting among those evaluated compared to the pre-KAS era (adjusted HR, 0.81 [95% CI, 0.74-0.90]). Among the prevalent population, KAS was associated with increases in overall waitlisting (adjusted HR, 1.74 [95% CI, 1.15-2.63]) and active waitlisting among those evaluated (adjusted HR, 2.01 [95% CI, 1.16-3.49]), but had no significant impact on referral or evaluation starts among those referred.Limited to 3 states, residual confounding.In the southeastern United States, the impact of KAS on steps to transplantation was different among incident and prevalent patients with kidney failure. Dialysis facilities referred more incident patients and transplant centers evaluated more incident patients after implementation of KAS, but fewer evaluated patients were placed onto the waitlist. Changes in dialysis facility and transplant center behaviors after KAS implementation may have influenced the observed changes in access to transplantation.
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- 2022
3. A Population Health Approach to Transplant Access: Challenging the Status Quo
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Rachel E. Patzer, Joel T. Adler, Jessica L. Harding, Anne Huml, Irene Kim, Keren Ladin, Paulo N. Martins, Sumit Mohan, Katie Ross-Driscoll, and Stephen O. Pastan
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Population Health ,Waiting Lists ,Nephrology ,Humans ,Kidney Transplantation ,Health Services Accessibility - Abstract
Transplant referral and evaluation are critical steps to waitlisting yet remain an elusive part of the transplant process. Despite calls for more data collection on pre-waitlisting steps, there are currently no national surveillance data to aid in understanding the causes and potential solutions for the extreme variation in access to transplantation. As population health scientists, epidemiologists, clinicians, and ethicists we submit that the transplant community has an obligation to better understand disparities in transplant access as a first necessary step to effectively mitigating these inequities. Our position is grounded in a population health approach, consistent with several new overarching national policy and quality initiatives. The purpose of this Perspective is to (1) provide an overview of how a population health approach should inform current multisystem policies impacting kidney transplantation and demonstrate how these efforts could be enhanced with national data collection on pre-waitlisting steps; (2) demonstrate the feasibility and concrete next steps for pre-waitlisting data collection; and (3) identify potential opportunities to use these data to implement effective population-level interventions, policies, and quality measures to improve equity in access to kidney transplantation.
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- 2022
4. Racial and Ethnic Disparities in Kidney Replacement Therapies Among Adults With Kidney Failure: An Observational Study of Variation by Patient Age
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Adam S, Wilk, Janet R, Cummings, Laura C, Plantinga, Harold A, Franch, Janice P, Lea, and Rachel E, Patzer
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Adult ,Renal Replacement Therapy ,Young Adult ,Nephrology ,Ethnicity ,Hemodialysis, Home ,Humans ,Kidney Failure, Chronic ,Hispanic or Latino ,Renal Insufficiency ,Healthcare Disparities ,Article ,Retrospective Studies - Abstract
RATIONALE AND OBJECTIVE: Non-Hispanic Black and Hispanic patients present with kidney failure at younger ages than white patients. Younger patients are also more likely to receive transplants and home dialysis than in-center hemodialysis (ICHD), but it is unknown whether racial/ethnic disparities in treatment differ by age. We compared use of kidney replacement therapies between racial/ethnic groups among patients with incident kidney failure, overall, and by age. STUDY DESIGN: Retrospective cohort study. SETTING AND PARTICIPANTS: 830,402 U.S. adult (>21 years) patients initiating kidney failure treatment during 2011–2018. EXPOSURES: Patient race/ethnicity (non-Hispanic Black, non-Hispanic white, Hispanic, or other) and age group (22–44, 45–64, 65–74, or 75–99). OUTCOME: Treatment modality (transplantation, peritoneal dialysis [PD], home hemodialysis [HHD], or ICHD) as of day 90 of treatment. ANALYTICAL APPROACH: Differences in treatment modalities were quantified for patient subgroups defined by race/ethnicity and age. Log-binomial regression models were fit to estimate adjusted risk ratios (ARRs). RESULTS: Eighty-one percent of patients were treated with ICHD, 3.0% underwent transplantation (85% pre-emptive, 57% living donor), 10.5% were treated with PD, and 0.7% were treated with HHD. Absolute disparities in treatment were most pronounced among patients aged 22–44. Compared to non-Hispanic White patients whose percentages of treatment with transplantation, PD, and HHD were 10.9%, 19.0%, and 1.2%, non-Hispanic Black patients were less commonly treated with each modality (unadjusted percentages: 1.8%, 13.8%, and 0.6%, respectively) as were Hispanic patients (4.4%, 16.9%, and 0.5%, respectively; all differences p
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- 2022
5. County-Level Characteristics Associated with Variation in ESKD Mortality in the United States, 2010–2018
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Kylie K. Snow, Rachel E. Patzer, Shivani A. Patel, and Jessica L. Harding
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Appalachian Region ,Insurance, Health ,Renal Dialysis ,Residence Characteristics ,Humans ,Kidney Failure, Chronic ,Female ,General Medicine ,Poverty ,United States ,Original Investigation - Abstract
BACKGROUND: Geographic and neighborhood-level factors, such as poverty and education, have been associated with an increased risk for incident ESKD, likelihood of receiving pre-ESKD care, and likelihood of receiving a transplant. However, few studies have examined whether these same factors are associated with ESKD mortality. In this study, we examined county-level variation in ESKD mortality and identified county-level characteristics associated with this variation. METHODS: We identified 1,515,986 individuals (aged 18–84 years) initiating RRT (dialysis or transplant) between 2010 and 2018 using the United States Renal Data System. Among 2781 counties, we estimated county-level, all-cause, age-standardized mortality rates (ASMR) among patients with ESKD. We then identified county-level demographic (e.g., percent female), socioeconomic (e.g., percent unemployed), healthcare (e.g., percent without health insurance), and health behavior (e.g., percent current smokers) characteristics associated with ASMR using multivariable hierarchic linear mixed models and quantified the percentage of ASMR variation explained by county-level characteristics. RESULTS: County-level ESKD ASMR ranged from 45 to 1022 per 1000 person-years (PY) (mean, 119 per 1000 PY). ASMRs were highest in counties located in the Tennessee Valley and Appalachia regions, and lowest in counties located in New England, the Pacific Northwest, and Southern California. In fully adjusted models, county-level characteristics significantly associated with higher ESKD mortality included a lower percentage of Black residents (−4.94 per 1000 PY), lower transplant rate (−4.08 per 1000 PY), and higher healthcare expenditures (5.21 per 1000 PY). Overall, county-level characteristics explained 19% of variation in ESKD mortality. CONCLUSIONS: Counties with high ESKD-related mortality may benefit from targeted and multilevel interventions that combine knowledge from a growing evidence base on the interplay between individual and community-level factors associated with ESKD mortality.
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- 2022
6. Changes in excess mortality among adults with diabetes-related end-stage kidney disease: a comparison between the USA and Australia
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Rachel E. Patzer, Jonathan E. Shaw, Jessica L Harding, Stephen P. McDonald, Jedidiah I. Morton, and Dianna J Magliano
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Adult ,Male ,medicine.medical_specialty ,medicine.medical_treatment ,Population ,Type 2 diabetes ,Young Adult ,Renal Dialysis ,Epidemiology ,Diabetes Mellitus ,medicine ,Humans ,Diabetic Nephropathies ,Registries ,Renal replacement therapy ,education ,Dialysis ,Aged ,Retrospective Studies ,Aged, 80 and over ,Transplantation ,education.field_of_study ,business.industry ,Retrospective cohort study ,Middle Aged ,medicine.disease ,United States ,Renal Replacement Therapy ,Nephrology ,Kidney Failure, Chronic ,Pacific islanders ,Female ,Original Article ,business ,New Zealand ,Demography ,Kidney disease - Abstract
Background The number of people with diabetes-related end-stage kidney disease (ESKD-DM) has doubled in the last two decades. We examined changes in excess mortality for people with ESKD-DM in the USA and Australia. Methods In this retrospective cohort study, we included adults (ages 20–84 years) receiving renal replacement therapy (RRT) for ESKD-DM in the USA (n = 1 178 860 from the United States Renal Data System, 2002–17) and Australia (n = 10 381 from the Australia and New Zealand Dialysis and Transplant Registry, 2002–13). ESKD-DM was defined as those with diagnosed diabetes at time of RRT initiation and mortality status was captured from national death registries. Annual standardized mortality ratios (SMR) were stratified by treatment modality, and age, sex and race (USA only). Trends were assessed using join point regression and annual percent change (APC) was reported. Results Overall, in the dialysis population SMR decreased from 2006 to 2014 in the USA (from 12.0 to 10.1; APC −2.1) and from 2002 to 2013 in Australia (from 12.0 to 9.4; APC −3.4). In the transplant population, SMR decreased from 6.2 to 4.0 from 2002 to 2013 in the USA, and did not significantly change from 2002 to 2013 in Australia. By subgroup, excess mortality was higher in women (versus men), younger (versus older) adults, dialysis (versus transplant) patients, and in Asian or Pacific Islanders and American Indian or Alaskan Natives (AI/AN) (versus Whites and Blacks). SMRs declined similarly across all subgroups excluding AI/AN (USA) and transplant patients (Australia), where relative declines were smaller. Conclusions Excess mortality for people with ESKD-DM treated with dialysis or transplant has decreased in the USA and Australia, but progress has stalled from ∼2013 in the USA. Nevertheless, mortality remains more than nine times higher in ESKD-DM versus the general population, with important variations by subgroups. Given the increasing burden of diabetes in the population, a focus on reducing excess mortality risk in the ESKD-DM population is needed.
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- 2021
7. Nonmedical barriers to early steps in kidney transplantation among underrepresented groups in the United States
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Rachel E. Patzer, Jessica L Harding, and Aubriana Perez
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Transplantation ,medicine.medical_specialty ,Referral ,business.industry ,media_common.quotation_subject ,Ethnic group ,Psychological intervention ,Trust ,Kidney Transplantation ,Racism ,Health Services Accessibility ,United States ,Underrepresented Minority ,Family medicine ,Health care ,Ethnicity ,Humans ,Immunology and Allergy ,Medicine ,Social determinants of health ,Healthcare Disparities ,business ,Socioeconomic status ,Minority Groups ,media_common - Abstract
Purpose of review Despite numerous targeted interventions and policy reforms, underrepresented minorities and patients with low socioeconomic status (SES) continue to have unequal access to kidney transplant. In this review, we summarize the most recent evidence on barriers to early kidney transplant steps (i.e. referral and evaluation) among underrepresented racial and ethnic minorities and low SES groups in the United States. Recent findings This review highlights the interconnectedness of several patient-level (e.g. medical mistrust, transplant knowledge, access to care), provider-level (e.g. dialysis profit status, patient--provider communication; staff accessibility), and system-level (e.g. center-specific criteria, healthcare logistics, neighborhood poverty, healthcare logistics) factors associated with lower rates of referral and evaluation among underrepresented minorities and low SES groups, and the influence of systemic racism operating at all levels. Summary Collection of national surveillance data on early transplant steps, as well as routinely captured data on upstream social determinants of health, including the measurement of racism rather than race, is necessary to enhance our understanding of barriers to referral and evaluation. A multipronged approach (e.g. targeted and systemwide interventions, and policy change) implemented at multiple levels of the healthcare system will be necessary to reduce disparities in early transplant steps.
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- 2021
8. Racial and Ethnic Differences and Clinical Outcomes of Patients With Coronavirus Disease 2019 (COVID-19) Presenting to the Emergency Department
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Zhensheng Wang, Rachel E. Patzer, Laken Smothers, Zanthia Wiley, Aneesh K. Mehta, and Katie Ross-Driscoll
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0301 basic medicine ,Microbiology (medical) ,emergency department ,030106 microbiology ,Ethnic group ,Psychological intervention ,law.invention ,Cohort Studies ,03 medical and health sciences ,symbols.namesake ,0302 clinical medicine ,law ,Major Article ,Humans ,Medicine ,030212 general & internal medicine ,Poisson regression ,Social determinants of health ,race ,disparities ,SARS-CoV-2 ,business.industry ,COVID-19 ,Emergency department ,Intensive care unit ,COVID-19 Drug Treatment ,AcademicSubjects/MED00290 ,Infectious Diseases ,Relative risk ,symbols ,ethnicity ,Emergency Service, Hospital ,business ,Demography ,Cohort study - Abstract
Background Since the introduction of remdesivir and dexamethasone for severe COVID-19 treatment, few large multi-hospital-system US studies have described clinical characteristics and outcomes of minority COVID-19 patients who present to the emergency department (ED). Methods This cohort study from the Cerner Real World Database (87 US health systems) from 1 December 2019 to 30 September 2020 included PCR-confirmed COVID-19 patients who self-identified as non-Hispanic Black (Black), Hispanic White (Hispanic), or non-Hispanic White (White). The main outcome was hospitalization among ED patients. Secondary outcomes included mechanical ventilation, intensive care unit care, and in-hospital mortality. Descriptive statistics and Poisson regression compared sociodemographics, comorbidities, receipt of remdesivir or dexamethasone, and outcomes by racial/ethnic groups and geographic region. Results 94 683 COVID-19 patients presented to the ED. Blacks comprised 26.7% and Hispanics 33.6%. Nearly half (45.1%) of ED patients presented to hospitals in the South. 31.4% (n = 29 687) were hospitalized. Lower proportions of Blacks were prescribed dexamethasone (29.4%; n = 7426) compared with Hispanics (40.9%; n = 13 021) and Whites (37.5%; n = 14 088). Hospitalization risks, compared with Whites, were similar in Blacks (RR: .94; 95% CI: .82–1.08; P = .4) and Hispanics (.99; .81–1.21; P = .91), but risk of in-hospital mortality was higher in Blacks (1.18; 1.06–1.31; P = .002) and Hispanics (1.28; 1.13–1.44; P < .001). Conclusions Minority patients were overrepresented among COVID-19 ED patients, and while their risks of hospitalization were similar to Whites, in-hospital mortality risk was higher. Interventions targeting upstream social determinants of health are needed to reduce racial/ethnic disparities in COVID-19.
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- 2021
9. An opt-out model for kidney transplant referral: The time has come
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Emilio D. Poggio, Anne M. Huml, Jesse D. Schold, John R. Sedor, and Rachel E. Patzer
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medicine.medical_specialty ,Waiting Lists ,Referral ,Psychological intervention ,Kidney ,Kidney transplant ,Article ,Opt-out ,Humans ,Immunology and Allergy ,Medicine ,Pharmacology (medical) ,Intensive care medicine ,Referral and Consultation ,Kidney transplantation ,Transplantation ,urogenital system ,business.industry ,medicine.disease ,Kidney Transplantation ,United States ,Clinical trial ,medicine.anatomical_structure ,Kidney Failure, Chronic ,business ,Kidney disease - Abstract
Disparities that impact equity in access to kidney transplantation for patients with kidney failure have been well described. Many robust clinical trials have tested the effectiveness of interventions to reduce disparities and equilibrate access to kidney transplantation. Moreover, policy changes have been enacted to achieve the same aims. Despite these efforts, rates of kidney transplant wait listing within the first year of end-stage kidney disease have remained unchanged over the past two decades, while incident rates of end-stage kidney disease have climbed. Since prior interventions have not durably increased transplant access, disruptive change is clearly needed. The Advancing American Kidney Health Executive Order sets bold goals to transform kidney care for patients and caregivers. In this spirit, we discuss an Opt Out for Transplant Referral Model as a compelling solution to improve equity in access to kidney transplantation.
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- 2021
10. Response to 'non-local kidney transplantation and transplant outcomes'
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Katherine Ross-Driscoll, Jonathan Gunasti, Raymond J. Lynch, Allan Massie, Dorry L. Segev, Jon Snyder, David Axelrod, and Rachel E. Patzer
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Transplantation ,Tissue and Organ Procurement ,Graft Survival ,Immunology and Allergy ,Humans ,Transplants ,Pharmacology (medical) ,Kidney Transplantation - Published
- 2022
11. Measuring Disease and Transplant Knowledge among Patients with Advanced CKD: Tools to Increase Access and Advance Equity
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Megan A. Urbanski and Rachel E. Patzer
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Transplantation ,Health Knowledge, Attitudes, Practice ,Editorial ,Nephrology ,Epidemiology ,Ethnicity ,Humans ,Renal Insufficiency, Chronic ,Critical Care and Intensive Care Medicine ,Kidney Transplantation ,Minority Groups - Abstract
Many individuals with kidney disease, particularly those belonging to racial and ethnic minority groups and whose primary language is not English, lack knowledge related to kidney disease symptoms, physiologic functions of the kidney, and benefits and risks of kidney transplantation. Valid instruments to assess patients' knowledge of CKD and kidney transplantation are needed.Using a sample of 977 patients with stages 3-5 CKD in the Kaiser Permanente health system, we developed the Knowledge Assessment of Renal Transplantation (KART) 2.0 instrument. We conducted cognitive interviews followed by item response theory (IRT) to reduce 48 candidate items. Construct validity was tested by examining differences in scores between patients who spent1 and ≥1 hour receiving CKD and transplant education.Cognitive interviews modified four items and omitted 11. IRT analyses resulted in two scales: the KART 2.0-Transplant Knowledge Scale (16 items; Cronbach'sThe KART 2.0 is a valid tool to assess patients' knowledge of CKD and kidney transplantation.
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- 2022
12. Loss to Follow-up in Adolescent and Young Adult Renal Transplant Recipients
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Rachel E. Patzer, Karie Mersha, Taylor Melanson, and Roshan P. George
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Adult ,Male ,Transition to Adult Care ,Pediatrics ,medicine.medical_specialty ,Time Factors ,Adolescent ,Population ,030230 surgery ,Logistic regression ,Risk Assessment ,Article ,Young Adult ,03 medical and health sciences ,0302 clinical medicine ,Risk Factors ,Humans ,Medicine ,Registries ,Significant risk ,Young adult ,Child ,education ,Quality Indicators, Health Care ,Retrospective Studies ,Transplantation ,education.field_of_study ,business.industry ,Age Factors ,Retrospective cohort study ,Kidney Transplantation ,Confidence interval ,Treatment Outcome ,Renal transplant ,Population study ,Female ,Lost to Follow-Up ,030211 gastroenterology & hepatology ,business - Abstract
BACKGROUND Patients' loss to follow-up (LFU) has significant impacts on outcomes and is a barrier to improving care, especially in adolescent and young adult (AYA) renal transplant recipients. There is limited information regarding the relationship between transfer of care from pediatric to adult transplant centers, age, and LFU among AYA renal transplant recipients. METHODS We studied 16 386 individuals aged 10-29 years who received kidney transplants between January 1, 2005 and December 31, 2015 using the Scientific Registry of Transplant Recipients. The primary outcome was LFU, which was defined as >1 year without follow-up in a transplant clinic/program. Death or graft failure within a year of the last follow-up was not classified as LFU. We performed a retrospective cohort study describing LFU using Pearson's chi-square tests. Multivariable logistic regression was used to estimate the change in likelihood of LFU associated with recipient characteristics and institution transfer. RESULTS In total, 22.26% (n = 3647) of our study population met criteria for LFU. About 11.17% (n = 1830) transferred institutions during the study period. LFU occurred in 50.18% of recipients who transferred institutions. LFU peaked at the age of 20 years, with 7.4% of 20-year-olds having LFU. The odds of LFU among renal transplant recipients who transferred institutions were 3.36 times greater (95% confidence interval, 3.1-3.6) than the odds of LFU among those who did not transfer institutions. CONCLUSIONS LFU is a critical problem faced by AYA renal transplant recipients, and institution transfer is a significant risk factor for LFU. Additional studies investigating the interplay between age, institution transfer, and LFU in the AYA population are still needed.
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- 2020
13. A dual efficacy-implementation trial of a novel mobile application for childhood nephrotic syndrome management: the UrApp for childhood nephrotic syndrome management pilot study protocol (UrApp pilot study)
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Cam Escoffery, Rachel E. Patzer, Michelle N. Rheault, Diana Ross, Courtney McCracken, Chia-shi Wang, Larry A. Greenbaum, and Amira Al-Uzri
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Adult ,medicine.medical_specialty ,Nephrotic syndrome ,Mobile application ,lcsh:RC870-923 ,law.invention ,Formative assessment ,Study Protocol ,Randomized controlled trial ,law ,Internal medicine ,Intervention (counseling) ,Preventive Health Services ,medicine ,Self-management ,Humans ,Age of Onset ,Medical diagnosis ,Child ,Randomized Controlled Trials as Topic ,Protocol (science) ,Audiovisual Aids ,business.industry ,Stakeholder ,Disease Management ,Standard of Care ,medicine.disease ,lcsh:Diseases of the genitourinary system. Urology ,Mobile Applications ,Caregivers ,Nephrology ,Adherence ,Physical therapy ,business - Abstract
Background Idiopathic nephrotic syndrome has a relapsing-remitting course in the majority of pediatric patients, demanding vigilant monitoring and self-management. A novel, expert-designed, user-informed mobile application (app), UrApp©, was created to support management tasks, including home urine protein monitoring. Methods The UrApp Pilot Study (ClinicalTrials.gov, NCT04075656) is a randomized trial comparing UrApp-supported nephrotic syndrome management with standard-of-care with parallel process evaluation of the intervention delivery. Sixty caregivers of children with newly diagnosed, steroid-sensitive nephrotic syndrome will be randomized 1:1 to UrApp-supported care or standard-of-care. Follow-up will be 1 year, with primary outcomes of adherence to urine monitoring and medications assessed at 6 and 12 months. Secondary outcomes at 6 and 12 months include self-efficacy, quality-of-life, hospitalizations and delayed relapse diagnoses. A mixed-methods approach will evaluate UrApp engagement, use retention, features used, user perceptions, and contextual barriers and facilitators of UrApp use. User behavior will be assessed for relationships to the primary and secondary outcomes. A Stakeholder Committee of volunteer trial participants, clinicians, and engineers will examine the trial results and design a pragmatic UrApp-enhanced nephrotic syndrome intervention with potential for wide implementation. The final UrApp intervention will be tested in a user-centered hybrid effectiveness-implementation trial designed with stakeholder input. Discussion The UrApp Pilot Study examines the efficacy of a novel app designed specifically for nephrotic syndrome. The protocol involves dual efficacy and process evaluation aims to increase efficiency and incorporates the stakeholders’ perspective in formative assessment to inform intervention redesign and the design of a future user-centered trial. Trial registration ClinicalTrials.gov, NCT04075656. Registered on September 2, 2019, https://clinicaltrials.gov/ct2/show/NCT04075656
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- 2020
14. Sex and Glomerular Filtration Rate Trajectories in Children
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Julien Hogan, Cécile Couchoud, Rachel E. Patzer, Stéphanie Bonnéric, Geeta Karadkhele, and Larry A. Greenbaum
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Male ,medicine.medical_specialty ,Time Factors ,Adolescent ,Epidemiology ,medicine.medical_treatment ,Renal function ,Kidney ,urologic and male genital diseases ,Critical Care and Intensive Care Medicine ,Risk Assessment ,Sex Factors ,Renal Dialysis ,Risk Factors ,Internal medicine ,medicine ,Humans ,Longitudinal Studies ,Prospective Studies ,Renal Insufficiency, Chronic ,Child ,Kidney transplantation ,Dialysis ,Transplantation ,Proteinuria ,urogenital system ,business.industry ,Infant ,Glomerulonephritis ,Original Articles ,medicine.disease ,Kidney Transplantation ,Progression-Free Survival ,female genital diseases and pregnancy complications ,medicine.anatomical_structure ,Nephrology ,Child, Preschool ,Disease Progression ,Female ,medicine.symptom ,business ,Glomerular Filtration Rate ,Kidney disease - Abstract
Background and objectives Differences in CKD progression by sex have been hypothesized to explain disparities in access to kidney transplantation in children. This study aims to identify distinct trajectories of eGFR decline and to investigate the association of sex with eGFR decline. Design, setting, participants, & measurements We used data from the CKD in Children study. Latent class mixed models were used to identify eGFR trajectories and patient characteristics were compared between trajectories. Progression was studied to two outcomes: ESKD (dialysis or transplantation) and a combined outcome of ESKD or 50% eGFR decline from baseline, using multivariable parametric failure time models. Results Among 888 patients, 613 with nonglomerular and 275 with glomerular diseases, we observed four and two distinct GFR trajectories, respectively. Among patients with nonglomerular diseases, there was a higher proportion of males in the group with a low baseline GFR. This group had an increased risk of ESKD or 50% GFR decline, despite a similar absolute decline in GFR. Eight patients with nonglomerular diseases, mostly males with obstructive uropathies, had a more rapid absolute GFR decline. However, the association between male sex and rapid absolute GFR decline was NS after adjustment for age, baseline GFR, and proteinuria. Among patients with glomerular diseases, a subgroup including mostly females with systemic immunologic diseases or crescentic GN had a rapid absolute GFR decline. Conclusions This study identifies different trajectories of CKD progression in children and found a faster progression of CKD in females in patients with glomerular diseases, but no significant sex difference in patients with nonglomerular diseases. The differences in progression seem likely explained by sex differences in the underlying primary kidney disease and in baseline GFR rather than by a direct effect of sex on progression.
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- 2020
15. Racial and Sex Disparities in Catheter Use and Dialysis Access in the United States Medicare Population
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Kara A. Rothenberg, Taylor Melanson, Rachel E. Patzer, Jason M. Hockenberry, Elizabeth L. George, Manjula Kurella Tamura, and Shipra Arya
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Male ,Pediatrics ,medicine.medical_specialty ,Databases, Factual ,medicine.medical_treatment ,Fistula ,030232 urology & nephrology ,Arteriovenous fistula ,030204 cardiovascular system & hematology ,Medicare ,Cohort Studies ,03 medical and health sciences ,Dialysis access ,Arteriovenous Shunt, Surgical ,Racism ,Sex Factors ,0302 clinical medicine ,Clinical Research ,Renal Dialysis ,medicine ,Central Venous Catheters ,Humans ,Healthcare Disparities ,Aged ,Retrospective Studies ,Aged, 80 and over ,business.industry ,digestive, oral, and skin physiology ,General Medicine ,equipment and supplies ,medicine.disease ,United States ,Catheter ,Nephrology ,Medicare population ,Kidney Failure, Chronic ,Female ,Hemodialysis ,business ,Central venous catheter ,Cohort study - Abstract
Background Despite efforts to increase arteriovenous fistula and graft use, 80% of patients in the United States start hemodialysis on a central venous catheter (CVC). Methods To better understand in incident hemodialysis patients how sex and race/ethnicity are associated with time on a central venous catheter and transition to an arteriovenous fistula and graft, our observational cohort study analyzed US Renal Data System data for patients with incident ESKD aged ≥66 years who started hemodialysis on a CVC in July 2010 through 2013. Results At 1 year, 32.7% of 74,194 patients transitioned to an arteriovenous fistula, 10.8% transitioned to an arteriovenous graft, 32.1% stayed on a CVC, and 24.5% died. Women spent a significantly longer time on a CVC than men. Compared with white patients, patients who were black, Hispanic, or of another racial/ethnicity minority spent significantly more days on a CVC. In competing risk regression, women were significantly less likely than men to transition to a fistula and more likely to transition to a graft. Compared with white patients, blacks were significantly less likely to transition to a fistula but more likely to transition to a graft, Hispanics were significantly more likely to transition to a fistula, and other races/ethnicities were significantly more likely to transition to either a fistula or a graft. Conclusions Female patients spend a longer time on a CVC and are less likely to transition to permanent access. Compared with white patients, minorities also spend longer time on a CVC, but are more likely to eventually transition to permanent access. Strategies to speed transition to permanent access should target groups that currently lag in this area.
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- 2020
16. Association of sociocultural factors with initiation of the kidney transplant evaluation process
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Rachel E. Patzer, Erica L. Hartmann, Jennifer C. Gander, Carlos Zayas, Laura C. Plantinga, Reem E. Hamoda, Kristie Lipford, Laura McPherson, Laura L. Mulloy, Kimberly R. Jacob Arriola, Stephen O. Pastan, and Kyung Na Lee
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Male ,Psychological intervention ,Disease ,030230 surgery ,Trust ,Logistic regression ,Article ,End stage renal disease ,03 medical and health sciences ,0302 clinical medicine ,Ethnicity ,Humans ,Immunology and Allergy ,Medicine ,Pharmacology (medical) ,Healthcare Disparities ,Socioeconomic status ,Transplantation ,business.industry ,Odds ratio ,Middle Aged ,Prognosis ,Kidney Transplantation ,Confidence interval ,Telephone ,Cross-Sectional Studies ,Socioeconomic Factors ,Evaluation Studies as Topic ,Kidney Failure, Chronic ,Female ,business ,Follow-Up Studies ,Demography - Abstract
Although research shows that minorities exhibit higher levels of medical mistrust, perceived racism, and discrimination in healthcare settings, the degree to which these underlying sociocultural factors preclude end-stage renal disease (ESRD) patients from initiating kidney transplant evaluation is unknown. We telephone surveyed 528 adult ESRD patients of black or white race referred for evaluation to a Georgia transplant center (N = 3) in 2014–2016. We used multivariable logistic regression to examine associations between sociocultural factors and evaluation initiation, adjusting for demographic, clinical, and socioeconomic characteristics. Despite blacks (n = 407) reporting higher levels of medical mistrust (40.0% vs 26.4%, P < .01), perceived racism (55.5% vs 18.2%, P < .01), and experienced discrimination (29.0% vs 15.7%, P < .01) than whites (n = 121), blacks were only slightly less likely than whites to initiate evaluation (49.6% vs 57.9%, P = .11). However, after adjustment, medical mistrust (odds ratio [OR]: 0.59; 95% confidence interval [CI]: 0.39, 0.91), experienced discrimination (OR: 0.62, 95% CI: 0.41, 0.95), and perceived racism (OR: 0.61; 95% CI: 0.40, 0.92) were associated with lower evaluation initiation. Results suggest that sociocultural disparities exist in early kidney transplant access and occur despite the absence of a significant racial disparity in evaluation initiation. Interventions to reduce disparities in transplantation access should target underlying sociocultural factors, not just race.
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- 2020
17. Community Based Participatory Research (CBPR): An Underutilized Approach to Address Surgical Disparities
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Rachel R. Adler, Randi N. Smith, Kevin J. Fowler, Jeffery Gates, Nichole M. Jefferson, Joel T. Adler, and Rachel E. Patzer
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Community-Based Participatory Research ,Surgical Procedures, Operative ,Humans ,Surgery ,Healthcare Disparities ,United States - Abstract
Disparities are well-documented across the continuum of surgical care. Counteracting such disparities requires new multidisciplinary approaches that utilize the expertise of affected individuals, such as community-based participatory research (CBPR). CBPR is an approach to research that is anchored in equitable, sustainable community-academic partnerships, and has been shown to improve intervention implementation and outcomes. In this article, community stakeholders and researchers outline the principles and benefits of CBPR, examples of CBPR in trauma and transplant, and future directions for CBPR within surgery.
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- 2021
18. Early steps to kidney transplantation among persons with HIV and end‐stage renal disease in ESRD network 6
- Author
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Rebecca Zhang, Aneesh K. Mehta, Ruth O Adekunle, Rachel E. Patzer, and Zhengsheng Wang
- Subjects
Male ,medicine.medical_specialty ,Waiting Lists ,Referral ,HIV Positivity ,medicine.medical_treatment ,Population ,HIV Infections ,Article ,End stage renal disease ,Renal Dialysis ,Internal medicine ,medicine ,Humans ,education ,Referral and Consultation ,Dialysis ,Kidney transplantation ,Transplantation ,Kidney ,education.field_of_study ,business.industry ,medicine.disease ,Kidney Transplantation ,United States ,Infectious Diseases ,medicine.anatomical_structure ,Kidney Failure, Chronic ,business - Abstract
End-stage renal disease is a significant cause of morbidity and mortality in persons with HIV (PWH). Limited data exist on access to kidney transplantation for this population.A dataset inclusive of incident dialysis patients between 2012 and 2016 with follow-up through December 2017 that identifies PWH and the general dialysis population of Network 6 (Georgia, North Carolina, South Carolina) was created through merging the United States Renal Data System with the southeastern early transplant access registry. Early steps to kidney transplantation and patient and dialysis facility-level characteristics that serve as barriers to transplantation were described.Twenty-three thousand four hundred fourteen patients were identified; 469 were PWH. Compared to non-HIV individuals, PWH were younger (49 vs. 58 years, p 0.001), predominantly Black (87% vs. 56% p 0.001) and male (72% vs. 56% p 0.001). PWH were less likely to be referred to kidney transplant within 1 year of starting dialysis (36% vs. 41% p 0.001) and waitlisted within 1 year of evaluation-start (14% vs. 30%, p = 0.05). PWH (vs. non-PWH) waited longer for referral, evaluation-start, and waitlisting and in multivariable analysis; HIV positivity was associated with a lower probability of referral (hazard ratios [HR]: 0.70; 95% confidence intervals [CIs]: 0.62-0.80), evaluation (HR 0.66; 95% CI: 0.55-0.80), and waitlisting (HR 0.29; 95% CI: 0.20-0.41).Targeted interventions are needed to improve access to kidney transplants, particularly in waitlisting, for PWH.
- Published
- 2021
19. Rural-Urban Disparities in Mortality From Cirrhosis in the United States From 1999 to 2019
- Author
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Nneka N. Ufere, Rachel E. Patzer, Dio Kavalieratos, Jeremy Louissaint, Alyson Kaplan, and Sarah H. Cross
- Subjects
Liver Cirrhosis ,Rural Population ,Hepatology ,Urban Population ,Gastroenterology ,Humans ,United States - Abstract
We examined trends in rural-urban cirrhosis mortality disparities in the United States from decedents aged 25 years and older from 1999 to 2019.We calculated cirrhosis age-adjusted mortality rates across 3 population categories: large metropolitan (≥1 million), medium/small metropolitan (50,000-999,999), and rural (50,000) areas using the US Centers for Disease Control and Prevention Wide-ranging ONline Data for Epidemiologic Research database.We found an almost 20-fold increase in the absolute difference in cirrhosis age-adjusted mortality rates between rural and large metropolitan areas between 1999 and 2019.Future research is needed to investigate reasons for this widening rural-urban disparity to improve rural cirrhosis care.
- Published
- 2021
20. Trends in inpatient admissions and emergency department visits for heart failure in adults with versus without diabetes in the USA, 2006–2017
- Author
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Stephen R. Benoit, Israel Hora, Lakshmi Sridharan, Mohammed K. Ali, K.M. Venkat Narayan, Ram Jagannathan, Rachel E. Patzer, and Jessica L Harding
- Subjects
Male ,Research design ,medicine.medical_specialty ,Endocrinology, Diabetes and Metabolism ,Population ,Diseases of the endocrine glands. Clinical endocrinology ,Young Adult ,Diabetes mellitus ,Epidemiology ,medicine ,Humans ,National Health Interview Survey ,Young adult ,education ,Heart Failure ,Inpatients ,education.field_of_study ,business.industry ,Incidence (epidemiology) ,Emergency department ,medicine.disease ,RC648-665 ,United States ,Hospitalization ,type 2 ,diabetes mellitus ,Emergency medicine ,Epidemiology/Health services research ,epidemiology ,Female ,Emergency Service, Hospital ,business - Abstract
IntroductionHeart failure (HF) is a major contributor to cardiovascular morbidity and mortality in people with diabetes. In this study, we estimated trends in the incidence of HF inpatient admissions and emergency department (ED) visits by diabetes status.Research design and methodsPopulation-based age-standardized HF rates in adults with and without diabetes were estimated from the 2006–2017 National Inpatient Sample, Nationwide ED Sample and year-matched National Health Interview Survey, and stratified by age and sex. Trends were assessed using Joinpoint.ResultsHF inpatient admissions did not change in adults with diabetes between 2006 and 2013 (from 53.9 to 50.4 per 1000 persons; annual percent change (APC): −0.3 (95% CI −2.5 to 1.9) but increased from 50.4 to 62.3 between 2013 and 2017 (APC: 4.8 (95% CI 0.3 to 9.6)). In adults without diabetes, inpatient admissions initially declined (from 14.8 in 2006 to 12.9 in 2014; APC −2.3 (95% CI −3.2 to –1.2)) and then plateaued. Patterns were similar in men and women, but relative increases were greatest in young adults with diabetes. HF-related ED visits increased overall, in men and women, and in all age groups, but increases were greater in adults with (vs without) diabetes.ConclusionsCauses of increased HF rates in hospital settings are unknown, and more detailed data are needed to investigate the aetiology and determine prevention strategies, particularly among adults with diabetes and especially young adults with diabetes.
- Published
- 2021
21. Association of Public Reporting of Medicare Dialysis Facility Quality Ratings With Access to Kidney Transplantation
- Author
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Rachel E. Patzer, Lingwei Xiang, James R. Rodrigue, Joel T. Adler, Thomas C. Tsai, Joel S. Weissman, and Sushrut S. Waikar
- Subjects
Male ,medicine.medical_specialty ,Waiting Lists ,Social Determinants of Health ,medicine.medical_treatment ,Population ,Medicare ,Centers for Medicare and Medicaid Services, U.S ,Health Services Accessibility ,Cohort Studies ,Renal Dialysis ,medicine ,Humans ,education ,Dialysis ,Kidney transplantation ,Aged ,Quality of Health Care ,Original Investigation ,education.field_of_study ,business.industry ,Patient Selection ,Research ,Health Policy ,General Medicine ,Middle Aged ,medicine.disease ,Kidney Transplantation ,United States ,Transplantation ,Online Only ,Emergency medicine ,Cohort ,Kidney Failure, Chronic ,Female ,Hemodialysis ,business ,Kidney disease ,Cohort study - Abstract
Key Points Question Are patient, facility, and/or kidney transplant waitlisting characteristics associated with variations in dialysis center quality? Findings In this cohort study of US Renal Data System and Medicare Dialysis Facility Compare data, higher-quality dialysis facilities were associated with approximately 47% higher odds of transplant waitlisting. Meaning These findings suggest that waitlisting rates for kidney transplantation should be considered for integration into the current Centers for Medicare & Medicaid Services Dialysis Facility Compare star ratings to improve care quality and access., This cohort study examines whether patient, facility, and kidney transplant waitlisting characteristics are associated with variations in dialysis center quality., Importance Improving the quality of dialysis care and access to kidney transplantation for patients with end-stage kidney disease is a national clinical and policy priority. The role of dialysis facility quality in increasing access to kidney transplantation is not known. Objective To determine whether patient, facility, and kidney transplant waitlisting characteristics are associated with variations in dialysis center quality. Design, Setting, and Participants This population-based cohort study is an analysis of US Renal Data System data and Medicare Dialysis Facility Compare (DFC) data from 2013 to 2018. Participants included all adult (aged ≥18 years) patients in the US Renal Data System beginning long-term dialysis in the US from 2013 to 2017 with follow-up through the end of 2018. Patients with a prior kidney transplant and matched Medicare DFC star ratings to each annual cohort of recipients were excluded. Patients at facilities without a star rating in that year were also excluded. Data analysis was performed from January to April 2021. Exposures Dialysis center quality, as defined by Medicare DFC star ratings. Main Outcomes and Measures The primary outcome was the proportion of patients undergoing incident dialysis who were waitlisted within 1 year of dialysis initiation. Secondary outcomes were patient and facility characteristics. Results Of 507 581 patients beginning long-term dialysis in the US from 2013 to 2017, 291 802 (57.4%) were male, 266 517 (52.5%) were White, and the median (interquartile range) age was 65 (55-75) years. Of 5869 dialysis facilities in 2017, 132 (2.2%) were 1-star, 436 (7.4%) were 2-star, 2047 (34.9%) were 3-star, 1660 (28.3%) were 4-star, and 1594 (27.2%) were 5-star. Higher-quality dialysis facilities were associated with 47% higher odds of transplant waitlisting (odds ratio [OR], 1.47; 95% CI, 1.39-1.57 for 5-star facilities vs 1-star facilities; P
- Published
- 2021
22. Long-term mortality among kidney transplant recipients with and without diabetes: a nationwide cohort study in the USA
- Author
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Giuseppina Imperatore, Rachel E. Patzer, Nilka Ríos Burrows, Zhensheng Wang, Ann L. Albright, Meda E. Pavkov, Stephen R. Benoit, and Jessica L Harding
- Subjects
diabetes mellitus type 1 ,Adult ,diabetes mellitus type 2 ,medicine.medical_specialty ,endocrine system ,Adolescent ,endocrine system diseases ,Endocrinology, Diabetes and Metabolism ,Population ,kidney transplantation ,Disease ,Diseases of the endocrine glands. Clinical endocrinology ,renal insufficiency ,Cohort Studies ,Internal medicine ,Diabetes mellitus ,Epidemiology ,medicine ,Humans ,education ,Kidney transplantation ,education.field_of_study ,Proportional hazards model ,business.industry ,nutritional and metabolic diseases ,medicine.disease ,RC648-665 ,Transplant Recipients ,United States ,Diabetes Mellitus, Type 1 ,Editorial ,type 1 ,type 2 ,diabetes mellitus ,Kidney Failure, Chronic ,Epidemiology/Health services research ,epidemiology ,business ,Cohort study ,Kidney disease - Abstract
IntroductionLittle is known about the role diabetes (type 1 (T1D) and type 2 (T2D)) plays in modifying prognosis among kidney transplant recipients. Here, we compare mortality among transplant recipients with T1D, T2D and non-diabetes-related end-stage kidney disease (ESKD).Research design and methodsWe included 254 188 first-time single kidney transplant recipients aged ≥18 years from the US Renal Data System (2000–2018). Diabetes status, as primary cause of ESKD, was defined using International Classification of Disease 9th and 10th Clinical Modification codes. Multivariable-adjusted Cox regression models (right-censored) computed risk of death associated with T1D and T2D relative to non-diabetes. Trends in standardized mortality ratios (SMRs) (2000–2017), relative to the general US population, were assessed using Joinpoint regression.ResultsA total of 72 175 (28.4%) deaths occurred over a median survival time of 14.6 years. 5-year survival probabilities were 88%, 85% and 77% for non-diabetes, T1D and T2D, respectively. In adjusted models, mortality was highest for T1D (HR=1.95, (95% CI: 1.88 to 2.03)) and then T2D (1.65 (1.62 to 1.69)), as compared with non-diabetes. SMRs declined for non-diabetes, T1D, and T2D. However, in 2017, SMRs were 2.38 (2.31 to 2.45), 6.55 (6.07 to 7.06), and 3.82 (3.68 to 3.98), for non-diabetes, T1D and T2D, respectively.ConclusionsIn the USA, diabetes type is an important modifier in mortality risk among kidney transplant recipients with highest rates among people with T1D-related ESKD. Development of effective interventions that reduce excess mortality in transplant recipients with diabetes is needed, especially for T1D.
- Published
- 2021
23. Ecological factors and posttransplant outcomes: Causation or correlation?
- Author
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Rachel E. Patzer, Katherine Ross-Driscoll, and David A. Axelrod
- Subjects
Gerontology ,Adult ,Graft Rejection ,Transplantation ,medicine.medical_specialty ,business.industry ,Graft Survival ,Kidney Transplantation ,Post transplant ,Article ,Transplant Recipients ,Correlation ,Risk Factors ,Air Pollution ,Epidemiology ,medicine ,Immunology and Allergy ,Humans ,Pharmacology (medical) ,Registries ,Causation ,business - Abstract
Fine particulate matter (PM
- Published
- 2021
24. Dialysis Facility Profit Status and Early Steps in Kidney Transplantation in the Southeastern United States
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Laura J, McPherson, Elizabeth R, Walker, Yi-Ting Hana, Lee, Jennifer C, Gander, Zhensheng, Wang, Amber M, Reeves-Daniel, Teri, Browne, Matthew J, Ellis, Ana P, Rossi, Stephen O, Pastan, Rachel E, Patzer, and Eddie, Zimmerman
- Subjects
Adult ,Male ,medicine.medical_specialty ,Georgia ,Time Factors ,Referral ,Adolescent ,Epidemiology ,medicine.medical_treatment ,South Carolina ,030232 urology & nephrology ,030230 surgery ,Capitalism ,Critical Care and Intensive Care Medicine ,Kidney ,Ambulatory Care Facilities ,Cohort Studies ,03 medical and health sciences ,Young Adult ,0302 clinical medicine ,Renal Dialysis ,medicine ,North Carolina ,Humans ,Referral and Consultation ,Dialysis ,Kidney transplantation ,health care economics and organizations ,Aged ,Retrospective Studies ,Transplantation ,business.industry ,Hazard ratio ,Retrospective cohort study ,Original Articles ,Middle Aged ,medicine.disease ,Kidney Transplantation ,Confidence interval ,Editorial ,Nephrology ,Emergency medicine ,Kidney Failure, Chronic ,Female ,business ,Cohort study - Abstract
Background and objectives Dialysis facilities in the United States play a key role in access to kidney transplantation. Previous studies reported that patients treated at for-profit facilities are less likely to be waitlisted and receive a transplant, but their effect on early steps in the transplant process is unknown. The study's objective was to determine the association between dialysis facility profit status and critical steps in the transplantation process in Georgia, North Carolina, and South Carolina. Design, setting, participants, & measurements In this retrospective cohort study, we linked referral and evaluation data from all nine transplant centers in the Southeast with United States Renal Data System surveillance data. The cohort study included 33,651 patients with kidney failure initiating dialysis from January 1, 2012 to August 31, 2016. Patients were censored for event (date of referral, evaluation, or waitlisting), death, or end of study (August 31, 2017 for referral and March 1, 2018 for evaluation and waitlisting). The primary exposure was dialysis facility profit status: for profit versus nonprofit. The primary outcome was referral for evaluation at a transplant center after dialysis initiation. Secondary outcomes were start of evaluation at a transplant center after referral and waitlisting. Results Of the 33,651 patients with incident kidney failure, most received dialysis treatment at a for-profit facility (85%). For-profit (versus nonprofit) facilities had a lower cumulative incidence difference for referral within 1 year of dialysis (-4.5%; 95% confidence interval, -6.0% to -3.2%). In adjusted analyses, for-profit versus nonprofit facilities had lower referral (hazard ratio, 0.84; 95% confidence interval, 0.80 to 0.88). Start of evaluation within 6 months of referral (-1.0%; 95% confidence interval, -3.1% to 1.3%) and waitlisting within 6 months of evaluation (1.0%; 95% confidence interval, -1.2 to 3.3) did not meaningfully differ between groups. Conclusions Findings suggest lower access to referral among patients dialyzing in for-profit facilities in the Southeast United States, but no difference in starting the evaluation and waitlisting by facility profit status.
- Published
- 2021
25. Prediction of emergency department patient disposition based on natural language processing of triage notes
- Author
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Nicholas W. Sterling, Justin D. Schrager, Rachel E. Patzer, and Mengyu Di
- Subjects
020205 medical informatics ,Health Informatics ,02 engineering and technology ,computer.software_genre ,Medical Records ,03 medical and health sciences ,0302 clinical medicine ,Documentation ,Patient disposition ,0202 electrical engineering, electronic engineering, information engineering ,Humans ,Medicine ,030212 general & internal medicine ,Natural Language Processing ,Retrospective Studies ,business.industry ,Medical record ,Retrospective cohort study ,Disposition ,Emergency department ,Triage ,Hospitalization ,Neural Networks, Computer ,Artificial intelligence ,Paragraph ,Emergency Service, Hospital ,business ,computer ,Natural language processing - Abstract
Background : Nursing triage documentation is the first free-form text data created at the start of an emergency department (ED) visit. These 1–3 unstructured sentences reflect the clinical impression of an experienced nurse and are key in gauging a patient’s illness. We aimed to predict final ED disposition using three commonly-employed natural language processing (NLP) techniques of nursing triage notes in isolation from other data. Methods : We constructed a retrospective cohort of all 260,842 consecutive ED encounters in 2015-16, from three clinically heterogeneous academically-affiliated EDs. After exclusion of 3964 encounters based on completeness of triage, and disposition data, we included 256,878 encounters. We defined the outcome as: 1) admission, transfer, or in-ED death [68,092 encounters] vs. 2) discharge, “left without being seen,” and “left against medical advice” [188,786 encounters]. The dataset was divided into training and testing subsets. Neural network regression models were trained using bag-of-words, paragraph vectors, and topic distributions to predict disposition and were evaluated using the testing dataset. Results : Area under the curve for disposition using triage notes as bag-of-words, paragraph vectors, and topic distributions were 0.737 (95% CI: 0.734 - 0.740), 0.785 (95% CI: 0.782 - 0.788), and 0.687 (95% CI: 0.684 - 0.690), respectively. Conclusions : Nursing triage notes can be used to predict final ED patient disposition, even when used separately from other clinical information. These findings have substantial implications for future studies, suggesting that free text from medical records may be considered as a critical predictor in research of patient outcomes.
- Published
- 2019
26. Geographic inequity in transplant access
- Author
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Rachel E. Patzer and Raymond J. Lynch
- Subjects
Transplantation ,medicine.medical_specialty ,Tissue and Organ Procurement ,Geography ,business.industry ,medicine.medical_treatment ,media_common.quotation_subject ,MEDLINE ,Economic shortage ,Transplant Waiting List ,Liver transplantation ,Tissue Donors ,Scarcity ,surgical procedures, operative ,medicine ,Humans ,Immunology and Allergy ,Lung transplantation ,In patient ,Intensive care medicine ,business ,media_common - Abstract
Purpose of review Scarcity is a defining feature of the modern transplant landscape, and in light of chronic shortages in donor organs, there is cause for concern about geographic inequities in patients' access to lifesaving resources. Recent policy changes designed to ameliorate unequal donor supply and demand have brought new interest to measuring and addressing disparities at all stages of transplant care. The purpose of this review is to describe an overview of recent literature on geographic inequities in transplant access, focusing on kidney, liver, and lung transplantation and the impact of policy changes on organ allocation. Recent findings Despite a major change to the kidney allocation policy in 2014, geographic inequity in kidney transplant access remains. In liver transplantation, the debate has centered on the median acuity score at transplantation; however, a more thorough examination of disparities in access and survival has emerged. Summary Geographic differences in access and quality of transplant care are undeniable, but existing disparity metrics reflect disparities only among candidates who are waitlisted. Future research should address major gaps in our understanding of geographic inequity in transplant access, including patients who may be transplant-eligible but experience a wide variety of barriers in accessing the transplant waiting list.
- Published
- 2019
27. Recent History of Serious Fall Injuries and Posttransplant Outcomes Among US Kidney Transplant Recipients
- Author
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Laura C. Plantinga, Raymond J. Lynch, C. Barrett Bowling, Rachel E. Patzer, and Stephen O. Pastan
- Subjects
Adult ,Graft Rejection ,Male ,medicine.medical_specialty ,Waiting Lists ,030230 surgery ,Head trauma ,03 medical and health sciences ,0302 clinical medicine ,Humans ,Medicine ,Kidney transplantation ,Aged ,Retrospective Studies ,Skilled Nursing Facilities ,Transplantation ,business.industry ,Proportional hazards model ,Incidence ,Incidence (epidemiology) ,Hazard ratio ,Retrospective cohort study ,Middle Aged ,medicine.disease ,Kidney Transplantation ,Transplant Recipients ,United States ,Confidence interval ,Hospitalization ,Treatment Outcome ,Preoperative Period ,Emergency medicine ,Kidney Failure, Chronic ,Accidental Falls ,Female ,030211 gastroenterology & hepatology ,Diagnosis code ,business ,Follow-Up Studies - Abstract
Background Serious fall injuries are associated with poor outcomes among dialysis patients, but whether these associations hold in patients with a history of serious fall injury before kidney transplantation is unknown. Methods In national administrative data, 22 474 US adults receiving a first kidney transplant in 2011-2014 with at least 1 year of follow-up before transplant were identified. Serious fall injuries in the year before transplant were identified using diagnostic codes for falls and simultaneous fractures, dislocations, or head trauma in inpatient or outpatient claims. We used multivariable Cox proportional hazards models to estimate associations of incident posttransplant outcomes with serious fall injury in the year before transplant. Results A total of 620 (2.8%) recipients had serious fall injuries before transplant and were more likely to be white, female, and have more comorbid conditions than those without a fall injury. Although posttransplant recipient survival did not differ by recent serious fall injuries (hazard ratio [HR], 1.03; 95% confidence interval [CI], 0.78-1.36), these injuries were associated with 33% higher rates of graft failure (HR, 1.33; 95% CI, 1.03-1.72). Patients with serious fall injuries spent 12.1% of posttransplant follow-up hospitalized, a 3.3-fold higher rate than those without a fall, and had nearly 2-fold higher rates of skilled nursing facility utilization (HR, 1.98; 95% CI, 1.52-2.57). Conclusions Serious fall injuries are independently associated with significantly greater resource requirements and lower graft survival. Further study is needed to delineate the relationship between falls and adverse outcomes in transplant and reduce the incidence and deleterious effects of these events.
- Published
- 2019
28. Treatment Patterns and Characteristics of Dialysis Facilities Randomly Assigned to the Medicare End-Stage Renal Disease Treatment Choices Model
- Author
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Adam S, Wilk, Kelsey M, Drewry, Rebecca, Zhang, Stephen O, Pastan, Rebecca, Thorsness, Amal N, Trivedi, and Rachel E, Patzer
- Subjects
Male ,Cross-Sectional Studies ,Renal Dialysis ,Humans ,Kidney Failure, Chronic ,Female ,General Medicine ,Middle Aged ,Medicare ,Health Facilities, Proprietary ,United States ,Aged - Abstract
In 2021, Medicare launched the End-Stage Renal Disease Treatment Choices (ETC) model, which randomly assigned approximately 30% of dialysis facilities to new financial incentives to increase use of transplantation and home dialysis; these financial bonuses and penalties are calculated by comparing living-donor transplantation, transplant wait-listing, and home dialysis use in ETC-assigned facilities vs benchmarks from non-ETC-assigned (ie, control) facilities. Because model participation is randomly assigned, evaluators may attribute any downstream differences in outcomes to facility performance rather than any imbalance in baseline characteristics.To identify preintervention imbalances in dialysis facility characteristics that should be recognized in any ETC model evaluations.This cross-sectional study compared ETC-assigned and control dialysis facility characteristics in the United States from 2017 to 2018. A total of 6062 facilities were included. Data were analyzed from February 2021 to May 2022.Assignment to the ETC model.Dialysis facilities' preintervention transplantations and home dialysis use, facility characteristics (notably, profit and chain status), patient demographic characteristics, and community socioeconomic characteristics.Among 316 927 patients, with 6 178 855 attributed patient-months, the mean (SD) age in January 2017 was 59 (11) years, and 132 462 (42%) were female. Patients in ETC-assigned facilities had 9% (0.2 [95% CI, 0.1-0.2] percentage points) lower prevalence of living donor transplantation, 12% (3.2 [95% CI, 3.0-3.3] percentage points) lower prevalence of transplantation wait-listing, and 4% (0.4 [95% CI, 0.3-0.4] percentage points) lower prevalence of peritoneal dialysis use compared with control facilities. ETC-assigned facilities were 14% (5.1 [95% CI, 0.9-9.4] percentage points) more likely than control facilities to be owned by the second largest dialysis organization. Relative to control facilities, ETC-assigned facilities also treated 34% (6.6 [95% CI, 6.5-6.7] percentage point) fewer patients with Hispanic ethnicity and were located in communities with median household incomes that were 4% ($2500; 95% CI, $500-$4500) lower on average.In this study, dialysis facilities in ETC-assigned regions had lower preintervention prevalence of transplantation wait-listing, living donor transplantation, and peritoneal dialysis use, relative to control facilities. ETC-assigned and control facilities also differed with respect to other facility, patient, and community characteristics. Evaluators should account for these preintervention imbalances to minimize bias in their inferences about the model's association with postintervention outcomes.
- Published
- 2022
29. TRIPOD Reporting Guidelines for Diagnostic and Prognostic Studies
- Author
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Amy H. Kaji, Rachel E. Patzer, and Yuman Fong
- Subjects
medicine.medical_specialty ,Tripod (surveying) ,Models, Statistical ,business.industry ,Guidelines as Topic ,Prognosis ,Predictive Value of Tests ,Research Design ,Multivariate Analysis ,medicine ,Humans ,Surgery ,Medical physics ,business - Published
- 2021
30. A Framework for Mobilizing Health Care to Respond to the Community Within the COVID-19 Pandemic
- Author
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Theodore M. Johnson, Fayron Epps, Nicole Franks, Rachel E. Patzer, Larissa J Teunis, Igho Ofotokun, and Zanthia Wiley
- Subjects
medicine.medical_specialty ,Government ,SARS-CoV-2 ,business.industry ,Health Policy ,Public health ,Public Health, Environmental and Occupational Health ,Ethnic group ,COVID-19 ,Context (language use) ,Health Status Disparities ,Public relations ,Health Services Accessibility ,Health equity ,Outreach ,Tools for Public Health Practice ,Health care ,medicine ,Humans ,Community Health Services ,Healthcare Disparities ,business ,Public Health Administration ,Socioeconomic status - Abstract
Cultural mistrust of government with regard to health issues has pressed the need to engage trusted community leaders with influence and reach in disproportionately affected communities to ensure that essential public health activities related to COVID-19 occur among populations experiencing disproportionate impact from the pandemic. In April of 2020, a Georgia-based integrated academic health care system created a Community Outreach and Health Disparities Collaborative to unite trusted community leaders from faith-based, civic, and health-sector organizations to work with the health system and Emory University to develop tailored approaches and mobilize support within the context of the communities' cultural and individual needs to reduce the burden of COVID-19. We describe the framework used to join health care and academic collaborators with community partners to mobilize efforts to address the disproportionate impact of COVID-19 on racial, ethnic, and socioeconomic minority groups. The framework outlines a series of steps taken that led to a community-driven collaboration designed to engage local influential community leaders as partners in improving access to care for disproportionately affected communities, collaborations that could be replicated by other large health care systems. This framework can also be applied to other chronic diseases or future public health emergencies to improve communication, education, and health care access for communities experiencing disproportionate impact.
- Published
- 2021
31. Using Geographic Catchment Areas to Measure Population-based Access to Kidney Transplant in the United States
- Author
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Katherine, Ross-Driscoll, David, Axelrod, Raymond, Lynch, and Rachel E, Patzer
- Subjects
Waiting Lists ,Kidney Transplantation ,Health Services Accessibility ,United States ,Liver Transplantation ,Catchment Area, Health ,Heart Transplantation ,Humans ,Kidney Failure, Chronic ,Pancreas Transplantation ,Healthcare Disparities ,Referral and Consultation ,Lung Transplantation ,Quality Indicators, Health Care - Abstract
Monitoring efforts to improve access to transplantation requires a definition of the population attributable to a transplant center. Previously, assessment of variation in transplant care has focused on differences between administrative units-such as states-rather than units derived from observed care patterns. We defined catchment areas (transplant referral regions [TRRs]) from transplant center care patterns for population-based assessment of transplant access.We used US adult transplant listings (2006-2016) and Dartmouth Atlas catchment areas to assess the optimal method of defining TRRs. We used US Renal Data System and Scientific Registry of Transplant Recipient data to compare waitlist- and population-based kidney transplant rates.We identified 110 kidney, 67 liver, 85 pancreas, 68 heart, and 43 lung TRRs. Most patients were listed in their assigned TRR (kidney: 76%; liver: 75%; pancreas: 75%; heart: 74%; lung: 72%), although the proportion varied by organ (interquartile range for kidney, 65.7%-82.5%; liver, 58.2%-78.8%; pancreas, 58.4%-81.1%; heart, 63.1%-80.9%; lung, 61.6%-76.3%). Patterns of population- and waitlist-based kidney transplant rates differed, most notably in the Northeast and Midwest.Patterns of TRR-based kidney transplant rates differ from waitlist-based rates, indicating that current metrics may not reflect transplant access in the broader population. TRRs define populations served by transplant centers and could enable future studies of how transplant centers can improve access for patients in their communities.
- Published
- 2020
32. Major Variation across Local Transplant Centers in Probability of Kidney Transplant for Wait-Listed Patients
- Author
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Jesse D. Schold, Rachel E. Patzer, Lloyd E. Ratner, Zhezhen Jin, Sumit Mohan, David J. Cohen, Kristen L. King, S. Ali Husain, Peter P. Reese, and Stephen O. Pastan
- Subjects
Adult ,Male ,Time Factors ,Tissue and Organ Procurement ,Waiting Lists ,030232 urology & nephrology ,030230 surgery ,Competing risks ,Kidney transplant ,Cohort Studies ,03 medical and health sciences ,0302 clinical medicine ,medicine ,Humans ,Clinical Epidemiology ,Kidney transplantation ,Aged ,Probability ,Deceased donor kidney ,business.industry ,General Medicine ,Middle Aged ,medicine.disease ,Kidney Transplantation ,United States ,Transplantation ,Nephrology ,Donation ,Cohort ,Kidney Failure, Chronic ,Female ,Living donor transplantation ,business ,Demography - Abstract
BACKGROUND: Geographic disparities in access to deceased donor kidney transplantation persist in the United States under the Kidney Allocation System (KAS) introduced in 2014, and the effect of transplant center practices on the probability of transplantation for wait-listed patients remains unclear. METHODS: To compare probability of transplantation across centers nationally and within donation service areas (DSAs), we conducted a registry study that included all United States incident adult kidney transplant candidates wait listed in 2011 and 2015 (pre-KAS and post-KAS cohorts comprising 32,745 and 34,728 individuals, respectively). For each center, we calculated the probability of deceased donor kidney transplantation within 3 years of wait listing using competing risk regression, with living donor transplantation, death, and waiting list removal as competing events. We examined associations between center-level and DSA-level characteristics and the adjusted probability of transplant. RESULTS: Candidates received deceased donor kidney transplants within 3 years of wait listing more frequently post-KAS (22%) than pre-KAS (19%). Nationally, the probability of transplant varied 16-fold between centers, ranging from 4.0% to 64.2% in the post-KAS era. Within DSAs, we observed a median 2.3-fold variation between centers, with up to ten-fold and 57.4 percentage point differences. Probability of transplantation was correlated in the post-KAS cohort with center willingness to accept hard-to-place kidneys (r=0.55, P
- Published
- 2020
33. Variation in Racial Disparities in Liver Transplant Outcomes Across Transplant Centers in the United States
- Author
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Rachel E. Patzer, Joel P. Wedd, Katherine Ross-Driscoll, Raymond J. Lynch, Laura C. Plantinga, and Michael R. Kramer
- Subjects
medicine.medical_treatment ,Psychological intervention ,030230 surgery ,Liver transplantation ,White People ,Article ,03 medical and health sciences ,0302 clinical medicine ,Medicine ,Humans ,Healthcare Disparities ,Socioeconomic status ,Survival analysis ,Transplantation ,Hepatology ,Proportional hazards model ,business.industry ,Hazard ratio ,Kidney Transplantation ,Confidence interval ,Health equity ,United States ,Liver Transplantation ,Black or African American ,030211 gastroenterology & hepatology ,Surgery ,business ,Demography - Abstract
Little is known about the role that transplant centers may play in perpetuating racial disparities after liver transplantation, which are unexplained by patient-level factors. We examined variation in between-center and within-center disparities among 34,114 Black and White liver transplant recipients in the United States from 2010 to 2017 using Scientific Registry of Transplant Recipient (SRTR) data. We used Cox proportional hazards models to calculate transplant center-specific Black-White hazard ratios and hierarchical survival analysis to examine potential effect modification of the race-survival association by transplant center characteristics, including transplant volume, proportion of Black patients, SRTR quality rating, and region. Models were sequentially adjusted for clinical, socioeconomic, and center characteristics. After adjustment, Black patients experienced 1.11 excess deaths after liver transplant per 100 person-years compared with White patients (95% confidence interval [CI], 0.65-1.56), corresponding to a 21% increased mortality risk (95% CI, 1.12-1.31). Although there was substantial variation in this disparity across transplant centers, there was no evidence of effect modification by transplant center volume, proportion of minority patients seen, quality rating, or region. We found significant racial disparities in survival after transplant, with substantial variation in this disparity across transplant centers that was not explained by selected center characteristics. This is the first study to directly evaluate the role transplant centers play in racial disparities in transplant outcomes. Further assessment of the qualitative factors that may drive disparities, such as selection processes and follow-up care, is needed to create effective center-level interventions to address health inequity.
- Published
- 2020
34. Dialysis facility referral and start of evaluation for kidney transplantation among patients treated with dialysis in the Southeastern United States
- Author
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Carlos Zayas, Heather Jones, Laura McPherson, Laura C. Plantinga, Joshua Wolf, Matthew J. Ellis, Laura L. Mulloy, Rachel E. Patzer, Derek Dubay, Stephen O. Pastan, Amber Reeves-Daniel, Sudeshna Paul, and Zhensheng Wang
- Subjects
Adult ,medicine.medical_specialty ,Referral ,medicine.medical_treatment ,030230 surgery ,Article ,03 medical and health sciences ,0302 clinical medicine ,Interquartile range ,Renal Dialysis ,Epidemiology ,medicine ,North Carolina ,Immunology and Allergy ,Humans ,Pharmacology (medical) ,Referral and Consultation ,Kidney transplantation ,Dialysis ,Transplantation ,business.industry ,Hazard ratio ,medicine.disease ,Kidney Transplantation ,Confidence interval ,United States ,Emergency medicine ,Kidney Failure, Chronic ,business ,Kidney disease - Abstract
Variability in transplant access exists, but barriers to referral and evaluation are underexplored due to lack of national surveillance data. We examined referral for kidney transplantation evaluation and start of the evaluation among 34 857 incident, adult (18-79 years) end-stage kidney disease patients from 690 dialysis facilities in the United States Renal Data System from January 1, 2012 through August 31, 2016, followed through February 2018 and linked data to referral and evaluation data from nine transplant centers in Georgia, North Carolina, and South Carolina. Multivariable-adjusted competing risk analysis examined each outcome. The median within-facility cumulative percentage of patients referred for kidney transplantation within 1 year of dialysis at the 690 dialysis facilities in Network 6 was 33.7% (interquartile range [IQR]: 25.3%-43.1%). Only 48.3% of referred patients started the transplant evaluation within 6 months of referral. In multivariable analyses, factors associated with referral vs evaluation start among those referred at any time differed. For example, black, non-Hispanic patients had a higher rate of referral (hazard ratio [HR]: 1.22; 95% confidence interval [CI]: 1.18-1.27), but lower evaluation start among those referred (HR: 0.93; 95% CI: 0.88-0.98), vs white non-Hispanic patients. Barriers to transplant varied by step, and national surveillance data should be collected on early transplant steps to improve transplant access.
- Published
- 2020
35. Kidney transplant program waitlisting rate as a metric to assess transplant access
- Author
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Rachel E. Patzer, Katherine Ross-Driscoll, Laura McPherson, Taylor Melanson, Stephen O. Pastan, Sumit Mohan, Sudeshna Paul, Denise Lo, and Raymond J. Lynch
- Subjects
South carolina ,medicine.medical_specialty ,Referral ,Waiting Lists ,Transplants ,030230 surgery ,Rate ratio ,Kidney transplant ,Article ,03 medical and health sciences ,0302 clinical medicine ,North Carolina ,Immunology and Allergy ,Medicine ,Humans ,Pharmacology (medical) ,Referral and Consultation ,National data ,Transplantation ,business.industry ,medicine.disease ,Kidney Transplantation ,Uncorrelated ,United States ,Emergency medicine ,Kidney Failure, Chronic ,Metric (unit) ,business ,Kidney disease - Abstract
Kidney transplant program performance in the United States is commonly measured by posttransplant outcomes. Inclusion of pretransplant measures could provide a more comprehensive assessment of transplant program performance and necessary information for patient decision-making. In this study, we propose a new metric, the waitlisting rate, defined as the ratio of patients who are waitlisted in a center relative to the person-years referred for evaluation to a program. Furthermore, we standardize the waitlisting rate relative to the state average in Georgia, North Carolina, and South Carolina. The new metric was used as a proof-of-concept to assess transplant-program access compared to the existing transplant rate metric. The study cohorts were defined by linking 2017 United States Renal Data System (USRDS) data with transplant-program referral data from the Southeastern United States between January 1, 2012 and December 31, 2016. Waitlisting rate varied across the 9 Southeastern transplant programs, ranging from 10 to 22 events per 100 patient-years, whereas the program-specific waitlisting rate ratio ranged between 0.76 and 1.33. Program-specific waitlisting rate ratio was uncorrelated with the transplant rate ratio (r = -.15, 95% CI, -0.83 to 0.57). Findings warrant collection of national data on early transplant steps, such as referral, for a more comprehensive assessment of transplant program performance and pretransplant access.
- Published
- 2020
36. eHealth literacy and web-based patient portal usage among kidney and liver transplant recipients
- Author
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Lauren Opsasnick, Morgan Eifler, Michael S. Wolf, Amy Moore, Kayla D. Smith, Laura M. Curtis, Joel P. Wedd, Rachel E. Patzer, and Kieran Maroney
- Subjects
medicine.medical_specialty ,media_common.quotation_subject ,medicine.medical_treatment ,education ,Population ,030230 surgery ,Liver transplantation ,Kidney ,Literacy ,03 medical and health sciences ,0302 clinical medicine ,Patient Portals ,Surveys and Questionnaires ,eHealth ,Medicine ,Web application ,Humans ,Kidney transplantation ,media_common ,Transplantation ,education.field_of_study ,Internet ,business.industry ,Patient portal ,medicine.disease ,Telemedicine ,Health Literacy ,Liver Transplantation ,Cross-Sectional Studies ,Family medicine ,Informatics ,030211 gastroenterology & hepatology ,business - Abstract
Patient portals promote self-management, but require skills with electronic health information which can be measured by a patient's eHealth literacy. We aimed to describe eHealth literacy among a population of kidney transplant (KT) and liver transplant (LT) recipients and to investigate the relationship between eHealth literacy and Web-based patient portal utilization. We conducted phone surveys (August 2016-March 2017) among 178 KT and 110 LT recipients at two large transplant centers, including the eHealth Literacy Scale (eHEALS) and items assessing routine portal usage. Portal users were defined as routine if usage was every day, weekly, or monthly. The mean eHEALS score was 30.9 (SD: 5.4), and 45.4% routinely used the patient portal more than a few times per month. Routine users had higher eHealth literacy than non-routine users and non-users (31.97 vs. 29.97 vs. 28.20, p
- Published
- 2020
37. Patients prioritize waitlist over posttransplant outcomes when evaluating kidney transplant centers
- Author
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Rachel E. Patzer, Sumit Mohan, Syed A. Husain, Demetra Tsapepas, Corey Brennan, Jesse D. Schold, and Ariane T. Michelson
- Subjects
Adult ,Graft Rejection ,Male ,Organ procurement organization ,Prioritization ,medicine.medical_specialty ,Adolescent ,Waiting Lists ,medicine.medical_treatment ,030232 urology & nephrology ,Patient characteristics ,030230 surgery ,Kidney transplant ,Young Adult ,03 medical and health sciences ,Postoperative Complications ,0302 clinical medicine ,Renal Dialysis ,Patient experience ,Humans ,Immunology and Allergy ,Medicine ,Pharmacology (medical) ,Dialysis ,Aged ,Transplantation ,business.industry ,Graft Survival ,Patient Preference ,Mean age ,Middle Aged ,Prognosis ,medicine.disease ,Kidney Transplantation ,Transplant Recipients ,Survival Rate ,Family medicine ,Female ,business ,Follow-Up Studies ,Kidney disease - Abstract
Factors that patients value when choosing a transplant center have not been well studied. In order to guide the improvement of patient-facing materials, we conducted an anonymous electronic survey of patients that assessed the relative importance of patient experience, practical considerations, transplant center reputation, center experience, and waitlist when selecting a transplant center. A total of 409 respondents completed the survey, of whom 68% were kidney transplant recipients and 32% had chronic kidney disease or were on dialysis. Participants had mean age 56 ± 12 years and were predominantly female (61%), white (79%), and had an associate’s degree or higher (68%). Participants most often prioritized waitlist when evaluating transplant centers (transplanted 26%, chronic kidney disease 40%), and waitlist was almost twice as likely as outcomes to be ranked most important (30% vs 17%). Education level and transplant status were significantly associated with factors used for center prioritization. Waitlisted respondents most commonly (48%) relied on physicians for information when selecting a center, while a minority cited transplant-specific organizations. In order to improve shared decision-making, materials outlining center- specific waitlist features should be prioritized. Novel patient-oriented metrics for measuring transplant center quality that align with patient priorities must be explored.
- Published
- 2018
38. Policies to promote timely referral for kidney transplantation
- Author
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Stephen O. Pastan and Rachel E. Patzer
- Subjects
Tissue and Organ Procurement ,Referral ,Waiting Lists ,medicine.medical_treatment ,030232 urology & nephrology ,MEDLINE ,030204 cardiovascular system & hematology ,Health Services Accessibility ,03 medical and health sciences ,0302 clinical medicine ,Patient Education as Topic ,Unfunded mandate ,medicine ,Humans ,Referral and Consultation ,Dialysis ,Kidney transplantation ,business.industry ,Health Policy ,Patient Selection ,medicine.disease ,Kidney Transplantation ,United States ,Transplantation ,surgical procedures, operative ,Nephrology ,Mandate ,Kidney Failure, Chronic ,Medical emergency ,business ,Medicaid - Abstract
There are numerous patient, provider, and health system barriers to accessing kidney transplantation. Patient barriers such as sociocultural and clinical characteristics and provider factors such as provider knowledge and awareness of transplantation play important roles in facilitating transplant. Health system factors like misaligned incentives and quality metrics for dialysis facilities and transplant centers also influence transplant access. While numerous studies have documented the impact of these barriers on wait-listing and transplant, few studies have examined referral from a dialysis facility to a transplant center and start of the transplant evaluation process. While the Centers for Medicare and Medicaid Services (CMS) require that dialysis facilities educate patients about transplant, there are no guidelines for the content and objectives for this education. In addition, policies to require timely referral for transplantation have been considered by CMS but are difficult to implement without national data on referral. Federal policies should be amended to mandate transplant center submission of referral data-while decreasing the unfunded mandate to collect other unusable data currently collected as part of regulatory monitoring of transplant centers-to promote timely access to transplant, increased transplant rates, and to better understand the multilevel barriers and facilitators to transplant referral.
- Published
- 2019
39. Understanding the pros and cons of organ donation decision-making: Decisional balance and expressing donation intentions among African Americans
- Author
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Jennie P. Perryman, Kimberly R. Jacob Arriola, Nancy J. Thompson, Dana H. Z. Williamson, Shauna St. Clair Flemming, Nakeva Redmond, and Rachel E. Patzer
- Subjects
Gerontology ,050103 clinical psychology ,Tissue and Organ Procurement ,Decision Making ,05 social sciences ,cons ,Psychological intervention ,Transtheoretical model ,050109 social psychology ,Intention ,Disease ,Odds ,Black or African American ,Balance (accounting) ,Donation ,Humans ,0501 psychology and cognitive sciences ,Organ donation ,Comprehension ,Psychology ,Applied Psychology - Abstract
Increasing public commitment to organ donation is critical to improving donor kidney availability for end-stage renal disease patients desiring transplant. This study surveyed ( N = 1339) African Americans, measuring perceived pros relative to cons of organ donation, to evaluate an existing Transtheoretical Model decisional balance scale and associations between decisional balance and expressing donation intentions. Findings supported the existing scale structure. More positive decisional balance ratios were associated with 1.76 times the odds of expressing intentions (95% confidence interval = 1.52–2.04). Pros were more strongly linked to donation intentions than cons. Greater understanding of organ donation decision-making is valuable for informing interventions that encourage donation.
- Published
- 2018
40. Transplant Center Patient Navigator and Access to Transplantation among High-Risk Population
- Author
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Thomas C. Pearson, Mohua Basu, Jennie P. Perryman, Lisa Petgrave-Nelson, Rachel E. Patzer, Christian P. Larsen, Kevin D. Clark, Sudeshna Paul, Stephen O. Pastan, and Kayla D. Smith
- Subjects
medicine.medical_specialty ,Referral ,Epidemiology ,Population ,030232 urology & nephrology ,030230 surgery ,Critical Care and Intensive Care Medicine ,Single Center ,law.invention ,03 medical and health sciences ,0302 clinical medicine ,Randomized controlled trial ,Renal Dialysis ,law ,Humans ,Patient Navigation ,Medicine ,education ,Kidney transplantation ,Transplantation ,education.field_of_study ,Proportional hazards model ,business.industry ,Original Articles ,Continuity of Patient Care ,medicine.disease ,Clinical trial ,Nephrology ,Emergency medicine ,Kidney Failure, Chronic ,business - Abstract
BACKGROUND AND OBJECTIVES: Barriers exist in access to kidney transplantation, where minority and patients with low socioeconomic status are less likely to complete transplant evaluation. The purpose of this study was to examine the effectiveness of a transplant center–based patient navigator in helping patients at high risk of dropping out of the transplant evaluation process access the kidney transplant waiting list. DESIGN, SETTING, PARTICIPANTS & MEASUREMENTS: We conducted a randomized, controlled trial of 401 patients (n=196 intervention and n=205 control) referred for kidney transplant evaluation (January 2013 to August 2014; followed through May 2016) at a single center. A trained navigator assisted intervention participants from referral to waitlisting decision to increase waitlisting (primary outcome) and decrease time from referral to waitlisting (secondary outcome). Time-dependent Cox proportional hazards models were used to determine differences in waitlisting between intervention and control patients. RESULTS: At study end, waitlisting was not significantly different among intervention (32%) versus control (26%) patients overall (P=0.17), and time from referral to waitlisting was 126 days longer for intervention patients. However, the effectiveness of the navigator varied from early (
- Published
- 2018
41. Association of Serious Fall Injuries among United States End Stage Kidney Disease Patients with Access to Kidney Transplantation
- Author
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Laura C. Plantinga, C. Barrett Bowling, Stephen O. Pastan, Raymond J. Lynch, and Rachel E. Patzer
- Subjects
Adult ,Male ,medicine.medical_specialty ,Waiting Lists ,Epidemiology ,medicine.medical_treatment ,Joint Dislocations ,030232 urology & nephrology ,030230 surgery ,Critical Care and Intensive Care Medicine ,Health Services Accessibility ,Fractures, Bone ,03 medical and health sciences ,0302 clinical medicine ,Renal Dialysis ,medicine ,Craniocerebral Trauma ,Humans ,Cumulative incidence ,Kidney transplantation ,Dialysis ,Aged ,Proportional Hazards Models ,Transplantation ,Trauma Severity Indices ,business.industry ,Incidence ,Hazard ratio ,Geriatric nephrology ,Original Articles ,Middle Aged ,medicine.disease ,Kidney Transplantation ,United States ,Nephrology ,Emergency medicine ,Cohort ,Kidney Failure, Chronic ,Wounds and Injuries ,Accidental Falls ,Female ,Diagnosis code ,business - Abstract
Background and objectives Serious fall injuries in the setting of ESKD may be associated with poor access to kidney transplant. We explored the burden of serious fall injuries among patients on dialysis and patients on the deceased donor waitlist and the associations of these fall injuries with waitlisting and transplantation. Design, setting, participants, & measurements Our analytic cohorts for the outcomes of (1) waitlisting and (2) transplantation included United States adults ages 18–80 years old who (1) initiated dialysis (n=183,047) and (2) were waitlisted for the first time (n=37,752) in 2010–2013. Serious fall injuries were determined by diagnostic codes for falls plus injury (fracture, joint dislocation, or head trauma) in inpatient and emergency department claims; the first serious fall injury after cohort entry was included as a time-varying exposure. Follow-up ended at the specified outcome, death, or the last date of follow-up (September 30, 2014). We used multivariable Cox proportional hazards models to determine the independent associations between serious fall injury and waitlisting or transplantation. Results Overall, 2-year cumulative incidence of serious fall injury was 6% among patients on incident dialysis; with adjustment, patients who had serious fall injuries were 61% less likely to be waitlisted than patients who did not (hazard ratio, 0.39; 95% confidence interval, 0.35 to 0.44). Among incident waitlisted patients (4% 2-year cumulative incidence), those with serious fall injuries were 29% less likely than their counterparts to be subsequently transplanted (hazard ratio, 0.71; 95% confidence interval, 0.63 to 0.80). Conclusions Serious fall injuries among United States patients on dialysis are associated with substantially lower likelihood of waitlisting for and receipt of a kidney transplant. Podcast This article contains a podcast at https://www.asn-online.org/media/podcast/CJASN/2018_03_06_CJASNPodcast_18_4_P.mp3
- Published
- 2018
42. Standardized Transplantation Referral Ratio to Assess Performance of Transplant Referral among Dialysis Facilities
- Author
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Stephen O. Pastan, Rachel E. Patzer, Sudeshna Paul, Sumit Mohan, Jennifer C. Gander, and Laura C. Plantinga
- Subjects
medicine.medical_specialty ,Referral ,Epidemiology ,medicine.medical_treatment ,030232 urology & nephrology ,030230 surgery ,Critical Care and Intensive Care Medicine ,Centers for Medicare and Medicaid Services, U.S ,End stage renal disease ,03 medical and health sciences ,0302 clinical medicine ,Case mix index ,Renal Dialysis ,medicine ,Humans ,Referral and Consultation ,Kidney transplantation ,Dialysis ,Social Responsibility ,Transplantation ,Proportional hazards model ,business.industry ,Original Articles ,medicine.disease ,Kidney Transplantation ,United States ,Confidence interval ,Nephrology ,Emergency medicine ,Kidney Failure, Chronic ,business - Abstract
Background and objectives For patients with ESRD, referral from a dialysis facility to a transplant center for evaluation is an important step toward kidney transplantation. However, a standardized measure for assessing clinical performance of dialysis facilities transplant access is lacking. We describe methodology for a new dialysis facility measure: the Standardized Transplantation Referral Ratio. Design, setting, participants, & measurements Transplant referral data from 8308 patients with incident ESRD within 249 dialysis facilities in the United States state of Georgia were linked with US Renal Data System data from January of 2008 to December of 2011, with follow-up through December of 2012. Facility-level expected referrals were computed from a two-stage Cox proportional hazards model after patient case mix risk adjustment including demographics and comorbidities. The Standardized Transplantation Referral Ratio (95% confidence interval) was calculated as a ratio of observed to expected referrals. Measure validity and reliability were assessed. Results Over 2008–2011, facility Standardized Transplantation Referral Ratios in Georgia ranged from 0 to 4.87 (mean =1.16, SD=0.76). Most (77%) facilities had observed referrals as expected, whereas 11% and 12% had Standardized Transplantation Referral Ratios significantly greater than and less than expected, respectively. Age, race, sex, and comorbid conditions were significantly associated with the likelihood of referral, and they were included in risk adjustment for Standardized Transplantation Referral Ratio calculations. The Standardized Transplantation Referral Ratios were positively associated with evaluation, waitlisting, and transplantation (r=0.46, 0.35, and 0.20, respectively; P Conclusions The majority of observed variation in dialysis facility referral performance was due to characteristics within a dialysis facility rather than patient factors included in risk adjustment models. Our study shows a method for computing a facility-level standardized measure for transplant referral on the basis of a pilot sample of Georgia dialysis facilities that could be used to monitor transplant referral performance of dialysis facilities.
- Published
- 2018
43. Awareness of the New Kidney Allocation System among United States Dialysis Providers with Low Waitlisting
- Author
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Laura C. Plantinga, Cam Escoffery, Joyce J. Kim, Taylor Melanson, Kayla D. Smith, Rachel E. Patzer, Sumit Mohan, Stephen O. Pastan, and Mohua Basu
- Subjects
Male ,Waiting time ,Tissue and Organ Procurement ,Waiting Lists ,medicine.medical_treatment ,Allied Health Personnel ,030232 urology & nephrology ,030230 surgery ,Kidney ,Article ,law.invention ,03 medical and health sciences ,0302 clinical medicine ,Randomized controlled trial ,Renal Dialysis ,law ,Surveys and Questionnaires ,medicine ,Humans ,Dialysis facility ,Kidney transplantation ,Dialysis ,Deceased donor ,business.industry ,medicine.disease ,Kidney allocation ,Nephrology ,Female ,Medical emergency ,business - Abstract
It is unknown whether dialysis facility staff are aware of the new kidney allocation system implemented in December 2014, which changed how deceased donor kidneys are allocated and waiting time is calculated. U.S. dialysis facilities with low annual waitlisting (
- Published
- 2018
44. Dialysis facility staff perceptions of racial, gender, and age disparities in access to renal transplantation
- Author
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Kristie Lipford, Jennifer C. Gander, Laura McPherson, Reem E. Hamoda, Teri Browne, Rachel E. Patzer, and Stephen O. Pastan
- Subjects
Male ,Nephrology ,medicine.medical_specialty ,Attitude of Health Personnel ,Health Personnel ,medicine.medical_treatment ,030232 urology & nephrology ,Psychological intervention ,Ethnic group ,Disease ,lcsh:RC870-923 ,Health Services Accessibility ,03 medical and health sciences ,Sex Factors ,0302 clinical medicine ,Renal Dialysis ,Internal medicine ,Health care ,parasitic diseases ,medicine ,Humans ,030212 general & internal medicine ,Healthcare Disparities ,Kidney transplant ,Socioeconomic status ,Dialysis ,Aged ,business.industry ,Racial Groups ,Age Factors ,Middle Aged ,lcsh:Diseases of the genitourinary system. Urology ,Kidney Transplantation ,3. Good health ,Transplantation ,South ,Cross-Sectional Studies ,End stage renal diseases ,Family medicine ,Kidney Failure, Chronic ,Female ,business ,Barriers ,Research Article - Abstract
Background Racial/ethnic, gender, and age disparities in access to renal transplantation among end-stage renal disease (ESRD) patients have been well documented, but few studies have explored health care staff attitudes towards these inequalities. Staff perceptions can influence patient care and outcomes, and identifying staff perceptions on disparities could aid in the development of potential interventions to address these health inequities. The objective of this study was to investigate dialysis staff (n = 509), primarily social workers and nurse managers, perceptions of renal transplant disparities in the Southeastern United States. Methods This is a mixed methods study that uses both deductive and inductive qualitative analysis of a dialysis staff survey conducted in 2012 using three open-ended questions that asked staff to discuss their perceptions of factors that may contribute to transplant disparities among African American, female, and elderly patients. Results Study results suggested that the majority of staff (n = 255, 28%) perceived patients’ low socioeconomic status as the primary theme related to why renal transplant disparities exist between African Americans and non-Hispanic whites. Staff cited patient perception of old age as a primary contributor (n = 188, 23%) to the disparity between young and elderly patients. The dialysis staff responses on gender transplant disparities suggested that staff were unaware of differences due to limited experience and observation (n = 76, 14.7%) of gender disparities. Conclusions These findings suggest that dialysis facilities should educate staff on existing renal transplantation disparities, particularly gender disparities, and collaboratively work with transplant facilities to develop strategies to actively address modifiable patient barriers for transplant.
- Published
- 2018
45. Association of Social Risk Factors With Home Dialysis and Kidney Transplant Rates in Dialysis Facilities
- Author
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Rebecca, Thorsness, Virginia, Wang, Rachel E, Patzer, Kelsey, Drewry, Vincent, Mor, Momotazur, Rahman, and Amal N, Trivedi
- Subjects
Adult ,Socioeconomic Factors ,Medicaid ,Risk Factors ,Hemodialysis, Home ,Humans ,Kidney Failure, Chronic ,General Medicine ,Ambulatory Care Facilities ,Kidney Transplantation ,Health Services Accessibility ,United States ,Article - Published
- 2021
46. Non-medical barriers in access to early steps of kidney transplantation in the United States – A scoping review
- Author
-
Kylie Snow, Mia S. White, Rachel E. Patzer, Aubriana Perez, Megan A Urbanski, Jessica L Harding, and Samantha Retzloff
- Subjects
Transplantation ,medicine.medical_specialty ,Referral ,business.industry ,Psychological intervention ,Kidney ,medicine.disease ,Kidney Transplantation ,Article ,United States ,Provider perceptions ,Family medicine ,Health care ,medicine ,Humans ,Kidney Failure, Chronic ,business ,Referral and Consultation ,Socioeconomic status ,Kidney transplantation ,Kidney disease ,Healthcare system - Abstract
Background In the United States (US), barriers in access to later steps in the kidney transplantation process (i.e. waitlisting) have been well documented. Barriers in access to earlier steps (i.e. referral and evaluation) are less well described due to the lack of national surveillance data. In this review, we summarize the available literature on non-medical barriers in access to kidney transplant referral and evaluation. Methods Following PRISMA guidelines, we conducted a scoping review of the literature through June 3, 2021. We included all studies (quantitative and qualitative) reporting on barriers to kidney transplant referral and evaluation in the US published from 1990 onwards in English and among adult end-stage kidney disease (ESKD) patients (PROSPERO registration number: CRD42014015027). We narratively synthesized results across studies. Results We retrieved information from 33 studies published from 1990 to 2021 (reporting data between 1990 and 2018). Most studies (n = 28, 85%) described barriers among patient populations, three (9%) among provider populations, and two (6%) included both patients and providers. Key barriers were identified across multiple levels and included patient- (e.g. demographic, socioeconomic, sociocultural, and knowledge), provider- (e.g. miscommunication, staff availability, provider perceptions and attitudes), and system- (e.g. geography, distance to care, healthcare logistics) level factors. Conclusions A multi-pronged approach (e.g. targeted and systemwide interventions, and policy change) implemented at multiple levels of the healthcare system will be necessary to reduce identified barriers in access to early kidney transplant steps. Collection of national surveillance data on these early kidney transplant steps is also needed to enhance our understanding of barriers to referral and evaluation.
- Published
- 2021
47. Characteristics and Performance of Unilateral Kidney Transplants from Deceased Donors
- Author
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Samnang Lee, Rachel E. Patzer, Syed A. Husain, Lloyd E. Ratner, Mariana C. Chiles, Sumit Mohan, Stephen O. Pastan, and Bekir Tanriover
- Subjects
medicine.medical_specialty ,Tissue and Organ Procurement ,Epidemiology ,030232 urology & nephrology ,030230 surgery ,Critical Care and Intensive Care Medicine ,03 medical and health sciences ,chemistry.chemical_compound ,0302 clinical medicine ,Diabetes mellitus ,Biopsy ,medicine ,Humans ,Survival rate ,Kidney transplantation ,Transplantation ,Creatinine ,Kidney ,medicine.diagnostic_test ,business.industry ,Retrospective cohort study ,Original Articles ,Hepatitis C ,medicine.disease ,Kidney Transplantation ,Tissue Donors ,United States ,Surgery ,medicine.anatomical_structure ,chemistry ,Nephrology ,business - Abstract
Background and objectives The fraction of kidneys procured for transplant that are discarded is rising in the United States. Identifying donors from whom only one kidney was discarded allows us to control for donor traits and better assess reasons for organ discard. Design, setting, participants, & measurements We conducted a retrospective cohort study using United Network for Organ Sharing Standard Transplant Analysis and Research file data to identify deceased donors from whom two kidneys were procured and at least one was transplanted. Unilateral pairs were defined as kidney pairs from a single donor from whom one kidney was discarded (“unilateral discard”) but the other was transplanted (“unilateral transplant”). Organ quality was estimated using the Kidney Donor Risk Index and Kidney Donor Profile Index (KDPI). We compared all-cause graft failure rates for unilateral transplants to those for bilateral transplant Kaplan–Meier methods, and life table methodology was used to evaluate 1-, 2-, 3-, and 5-year survival rates of transplants from bilateral and unilateral donors. Results Compared with bilateral donors (i.e., both kidneys transplanted) (n=80,584), unilateral donors (i.e., only one kidney transplanted) (n=7625) had higher mean terminal creatinine (1.3±2.1 mg/dl versus 1.1±0.9 mg/dl) and KDPI (67%±25% versus 42%±27%), were older, and were more likely to have hypertension, diabetes, hepatitis C, terminal stroke, or meet Centers for Disease Control and Prevention high-risk donor criteria. Unilateral discards were primarily attributed to factors expected to be similar in both kidneys from a donor: biopsy findings (22%), no interested recipient (13%), and donor history (7%). Anatomic abnormalities (14%), organ damage (11%), and extended ischemia (6%) accounted for about 30% of discards, but were the commonest reasons among low KDPI kidneys. Among kidneys with KDPI≥60%, there was an incremental difference in allograft survival over time (for unilateral versus bilateral transplants, 1-year survival: 83% versus 87%; 3-year survival: 69% versus 73%; 5-year survival: 51% versus 58%). Conclusions A large number of discarded kidneys were procured from donors whose contralateral kidneys were transplanted with good post-transplant outcomes.
- Published
- 2017
48. Belatacept Combined With Transient Calcineurin Inhibitor Therapy Prevents Rejection and Promotes Improved Long-Term Renal Allograft Function
- Author
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Kenneth A. Newell, Ashtar Chami, Cristen Garrett, Allan D. Kirk, J Goldstein, Nicole A. Turgeon, Stephen O. Pastan, Antonio Guasch, Thomas C. Pearson, Rachel E. Patzer, Rebecca Zhang, Andrew B. Adams, and Christian P. Larsen
- Subjects
Adult ,Graft Rejection ,Male ,medicine.medical_specialty ,medicine.medical_treatment ,030232 urology & nephrology ,Urology ,Renal function ,030230 surgery ,Kidney Function Tests ,Belatacept ,Article ,Abatacept ,03 medical and health sciences ,Postoperative Complications ,0302 clinical medicine ,Isoantibodies ,Risk Factors ,medicine ,Humans ,Immunology and Allergy ,Pharmacology (medical) ,Retrospective Studies ,Transplantation ,business.industry ,Graft Survival ,Immunosuppression ,Middle Aged ,Prognosis ,Kidney Transplantation ,Transplant Recipients ,Tacrolimus ,Surgery ,Calcineurin ,Clinical trial ,Regimen ,surgical procedures, operative ,Kidney Failure, Chronic ,Female ,business ,Immunosuppressive Agents ,Follow-Up Studies ,Glomerular Filtration Rate ,medicine.drug - Abstract
Belatacept, a T cell costimulation blocker, demonstrated superior renal function, lower cardiovascular risk, and improved graft and patient survival in renal transplant recipients. Despite the potential benefits, adoption of belatacept has been limited in part due to concerns regarding higher rates and grades of acute rejection in clinical trials. Since July 2011, we have utilized belatacept-based immunosuppression regimens in clinical practice. In this retrospective analysis of 745 patients undergoing renal transplantation at our center, we compared patients treated with belatacept (n = 535) with a historical cohort receiving a tacrolimus-based protocol (n = 205). Patient and graft survival were equivalent for all groups. An increased rate of acute rejection was observed in an initial cohort treated with a protocol similar to the low-intensity regimen from the BENEFIT trial versus the historical tacrolimus group (50.5% vs. 20.5%). The addition of a transient course of tacrolimus reduced rejection rates to acceptable levels (16%). Treatment with belatacept was associated with superior estimated GFR (belatacept 63.8 mL/min vs. tacrolimus 46.2 mL/min at 4 years, p < 0.0001). There were no differences in serious infections including rates of cytomegalovirus or BK viremia. We describe the development of a costimulatory blockade-based strategy that ultimately allows renal transplant recipients to achieve calcineurin inhibitor-free immunosuppression.
- Published
- 2017
49. Sociodemographic Determinants of Waitlist and Posttransplant Survival Among End-Stage Liver Disease Patients
- Author
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Katherine Ross, Raymond J. Lynch, Rachel E. Patzer, and David S. Goldberg
- Subjects
Male ,Tissue and Organ Procurement ,Waiting Lists ,medicine.medical_treatment ,030230 surgery ,Liver transplantation ,Health Services Accessibility ,End Stage Liver Disease ,03 medical and health sciences ,Liver disease ,0302 clinical medicine ,Sociodemographic determinants ,Risk Factors ,medicine ,Humans ,Immunology and Allergy ,Pharmacology (medical) ,Registries ,Competing risks analysis ,Retrospective Studies ,Excess mortality ,Transplantation ,business.industry ,End stage liver disease ,Middle Aged ,Prognosis ,medicine.disease ,Tissue Donors ,Transplant Recipients ,Liver Transplantation ,Survival Rate ,Socioeconomic Factors ,Quartile ,Community health ,Female ,030211 gastroenterology & hepatology ,business ,Follow-Up Studies ,Demography - Abstract
While regional organ availability dominates discussions of distribution policy, community-level disparities remain poorly understood. We studied micro-geographic determinants of survival risk and their distribution across Donor Service Areas (DSAs). Scientific Registry of Transplant Recipients records for all adults waitlisted for liver transplantation 2002-2014 were reviewed. The primary exposure variables were county-level sociodemographic risk, as measured by the Community Health Score (CHS), a previously-validated composite index local health conditions, and distance to listing transplant center. Among 114 347 patients, the median CHS was 19.4 (range: 0-40). Compared the lowest risk counties (CHS 1-10), highest-risk counties (CHS 31-40) had more black (14.6% vs. 5.4%), publicly insured (44.9% vs. 33.0), and remote candidates (34.0% vs. 15.1% living >100 miles away). Higher-CHS candidates had greater waitlist mortality in Cox multivariable (HR 1.16 for CHS 31-40, 95% CI 1.11-1.21) and competing risks analysis (sHR 1.07, 95% CI 0.99-1.14). Post-transplant survival was similar across CHS quartiles. Living >25 miles from the transplant center conferred excess mortality risk (sHR 1.08, 95% CI 1.03-1.12). Proposed distribution changes would disproportionately impact DSAs with more high-CHS or distant candidates. Low-income, rural and minority patients experience excess mortality while awaiting transplant, and risk disproportionately worse outcomes with reduced organ availability under current proposals.
- Published
- 2017
50. Early hospital readmission among hemodialysis patients in the United States is associated with subsequent mortality
- Author
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Bernard G. Jaar, Laura C. Plantinga, Rachel E. Patzer, Laura M King, John M. Burkart, Janice P. Lea, and Jason M. Hockenberry
- Subjects
Male ,Pediatrics ,medicine.medical_specialty ,Time Factors ,medicine.medical_treatment ,Population ,030232 urology & nephrology ,030204 cardiovascular system & hematology ,Medicare ,Patient Readmission ,03 medical and health sciences ,0302 clinical medicine ,Renal Dialysis ,Risk Factors ,medicine ,Humans ,Hospital Mortality ,education ,Dialysis ,Proportional Hazards Models ,Retrospective Studies ,education.field_of_study ,Hospital readmission ,business.industry ,Proportional hazards model ,Hazard ratio ,Middle Aged ,United States ,Confidence interval ,Nephrology ,Emergency medicine ,Kidney Failure, Chronic ,Female ,Hemodialysis ,National registry ,business - Abstract
Dialysis providers in the United States may soon be held accountable for their patients' 30-day hospital readmissions. However, few studies have evaluated the timing of readmissions, which determines the window in which dialysis providers could act to prevent readmission. We therefore examined the timing of readmissions of hemodialysis patients in the United States and its association with mortality among 285,795 prevalent adult Medicare-primary hemodialysis patients from a national registry. Patients had at least one hospitalization in 2010-2013 (first index) and survived for 30 days or more. Readmission timing was defined as 0-7, 8-14, or 15-30 days after the index discharge. Multivariable Cox proportional hazards models were used to estimate the association between readmission timing (referent no readmission) and mortality, censored at one year. Overall, 23.1% of patients had readmissions within 30 days of the index discharge, of which over one-third (35.9%) were within the first week. Regardless of timing, patients with readmissions had a higher risk of death within one year, compared to those with no readmissions, with hazard ratios of 2.04 (95% confidence interval 2.00-2.09) for being readmitted within 15-30 days; 1.98 (1.93-2.04) for being readmitted within 8-14 days; and 1.76 (1.71-1.80) for being readmitted within 0-7 days. Thus, opportunities for dialysis providers to intervene and prevent early readmission may be limited. Regardless of the timing, readmission appears independently associated with a substantially increased risk of mortality in this population.
- Published
- 2017
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