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Scurt FG, Hammoud B, Bose K, Mertens PR, Chatzikyrkou C. Short-Term, Mid-Term, and Long-Term Outcomes after Deceased Donor Kidney Transplantation in Patients with AKI: A Systematic Review and Meta-Analysis. KIDNEY360 2024; 5:1012-1031. [PMID: 38668857 PMCID: PMC11296548 DOI: 10.34067/kid.0000000000000450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 04/17/2024] [Indexed: 07/26/2024]
Abstract
Key Points This study reviews the willingness to use kidneys from donors who have experienced AKI during transplantation and provides a thorough analysis of the existing literature. While delayed graft function is more common, primary nonfunction and acute rejection rates appear comparable, as do allograft function and graft survival compared with non-AKI donor kidneys. Considering the shortage of available organs and the high mortality rate of patients on dialysis, the use of donors with AKI as a source for kidney transplantation is a viable alternative. Background AKI is a common complication in hospitalized patients and may occur in potential kidney donors. Observational studies have suggested that kidney transplantation in patients with AKI is feasible and safe, but no systematic evaluation has been performed. Methods We performed a systematic review and meta-analysis to evaluate the outcomes of kidney transplantation in patients with AKI. We searched MEDLINE, Embase, Cochrane, Google Scholar, and other databases for studies reporting outcomes of donor kidneys with AKI. We included single-center, multicenter, and registry-based studies and analyzed them according to the definition and severity of AKI. End points were primary and delayed graft function (DGF), primary nonfunction (PNF), length of hospital stay, rejection, graft function, and patient and graft survival at 1, 3, 5, and 8–10 years after transplantation. This study was registered in PROSPERO, number CRD42021260088. Results We identified 33 single-center, four multicenter, and seven registry studies with more than 100,000 patients published between 2005 and 2022. Recipients from donors with AKI had a higher risk of DGF (relative risk, 1.51; 95% confidence interval [CI], 1.35 to 1.68). Graft function at discharge was worse in the AKI group (MDCrea [95% CI]: 0.96 mg/dl [0.36 to 1.56, I2=96%], MDGFR [95% CI]: −8.88 ml/min per 1.73 m2 [−15.32 to −2.44, I2=93%]), but improved thereafter and was similar in both groups at 3 months after transplantation (MDCrea [95% CI]: −0.05 mg/dl [−0.18 to 0.07, I2=0%], MDGFR [95% CI]: −1.83 ml/min per 1.73 m2 [−5.29 to 1.63, I2=91%]). Primary nonfunction and patient and graft survival were similar at 1, 3, 5, and 8–10 years after transplantation. There were no differences in rejections regardless of AKI definition and severity. Conclusions Transplantation of kidneys with AKI is associated with satisfactory short-term and long-term outcomes and should be pursued to increase the donor pool.
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Affiliation(s)
- Florian G. Scurt
- University Clinic for Nephrology and Hypertension, Diabetology and Endocrinology, University Hospital Magdeburg, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Ben Hammoud
- University Clinic for Nephrology and Hypertension, Diabetology and Endocrinology, University Hospital Magdeburg, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Katrin Bose
- Department of Gastroenterology, Hepatology and Infectious Diseases, University Hospital Magdeburg, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Peter R. Mertens
- University Clinic for Nephrology and Hypertension, Diabetology and Endocrinology, University Hospital Magdeburg, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
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Punukollu R, Ohara SY, Budhiraja P, Smith ML, Kumm K, Ruch B, Misra S, Reddy KS, Heilman RL, Jadlowiec CC. Duration of Dialysis in Acute Kidney Injury Donors and Transplant Outcomes. J Am Coll Surg 2024; 238:61-69. [PMID: 37870238 DOI: 10.1097/xcs.0000000000000870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2023]
Abstract
BACKGROUND Acute kidney injury (AKI) kidneys, including those from donors on dialysis, are often underutilized, although there is increasing data available demonstrating good transplant outcomes. To date, data on the duration of donor dialysis and transplant outcomes are limited. STUDY DESIGN This was a single-center study of deceased donor kidney transplants from 2010 to 2022. The study cohort consisted of recipients of deceased donor kidney transplants from donors with AKI and on dialysis. Three groups were identified based on the predetermined interquartile range of donor dialysis duration: 1 to 2 dialysis days, 3 to 4 dialysis days, and 5 or more dialysis days. RESULTS During this period, 765 AKI deceased donor transplants were performed, of which 230 were from donors on dialysis. The median dialysis duration was 2 days with a maximum of 13 days. Across the 3 groups, there were no differences in recipient age (p = 0.23) or dialysis vintage (p = 0.70). Donor age (p = 0.86) and kidney donor profile index (p = 0.57) were comparable between the groups. Recipients of deceased donor kidney transplants from donors on dialysis 5 or more days had lower terminal creatinine levels (p = 0.003) and longer cold ischemia times (p = 0.04). Posttransplant, the median length of hospital stay was 3 days for all groups (p = 0.75). There were no differences in delayed graft function occurrence (94.4% vs 86.8% vs 92.1%, p = 0.19), duration of delayed graft function (p = 0.56), or readmissions (p = 0.99). At 1 year posttransplant, the estimated glomerular filtration rate (p = 0.76), patient survival (p = 0.82), or death-censored graft survival (p = 0.28) were comparable. CONCLUSIONS Excellent outcomes have been observed in AKI deceased donor kidney transplants, including those coming from donors on dialysis. In this small cohort, the duration of donor dialysis did not adversely affect outcomes. Cautious expansion of the donor pool, including donors on dialysis, should be considered given the ongoing organ shortage.
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Affiliation(s)
- Rachana Punukollu
- From the Division of Transplant Surgery, Department of Surgery (Punukollu, Kumm, Ruch, Reddy, Jadlowiec) Mayo Clinic, Phoenix, AZ
| | - Stephanie Y Ohara
- Division of Surgery, Valleywise Health Medical Center, Creighton University (Ohara), Phoenix, AZ
| | - Pooja Budhiraja
- Division of Nephrology (Budhiraja, Misra, Heilman) Mayo Clinic, Phoenix, AZ
| | - Maxwell L Smith
- Division of Anatomic Pathology (Smith) Mayo Clinic, Phoenix, AZ
| | - Kayla Kumm
- From the Division of Transplant Surgery, Department of Surgery (Punukollu, Kumm, Ruch, Reddy, Jadlowiec) Mayo Clinic, Phoenix, AZ
| | - Brianna Ruch
- From the Division of Transplant Surgery, Department of Surgery (Punukollu, Kumm, Ruch, Reddy, Jadlowiec) Mayo Clinic, Phoenix, AZ
| | - Suman Misra
- Division of Nephrology (Budhiraja, Misra, Heilman) Mayo Clinic, Phoenix, AZ
| | - Kunam S Reddy
- From the Division of Transplant Surgery, Department of Surgery (Punukollu, Kumm, Ruch, Reddy, Jadlowiec) Mayo Clinic, Phoenix, AZ
| | - Raymond L Heilman
- Division of Nephrology (Budhiraja, Misra, Heilman) Mayo Clinic, Phoenix, AZ
| | - Caroline C Jadlowiec
- From the Division of Transplant Surgery, Department of Surgery (Punukollu, Kumm, Ruch, Reddy, Jadlowiec) Mayo Clinic, Phoenix, AZ
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Webb CJ, McCracken E, Jay CL, Sharda B, Garner M, Farney AC, Orlando G, Reeves-Daniel A, Mena-Gutierrez A, Sakhovskaya N, Stratta B, Stratta RJ. Single center experience and literature review of kidney transplantation from non-ideal donors with acute kidney injury: Risk and reward. Clin Transplant 2023; 37:e15115. [PMID: 37646473 DOI: 10.1111/ctr.15115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 08/18/2023] [Accepted: 08/22/2023] [Indexed: 09/01/2023]
Abstract
INTRODUCTION There is limited experience transplanting kidneys from either expanded criteria donors (ECD) or donation after circulatory death (DCD) deceased donors with terminal acute kidney injury (AKI). METHODS AKI kidneys were defined by a donor terminal serum creatinine level >2.0 mg/dL whereas non-ideal deceased donor (NIDD) kidneys were defined as AKI/DCD or AKI/ECDs. RESULTS From February 2007 to March 2023, we transplanted 266 single AKI donor kidneys including 29 from ECDs, 29 from DCDs (n = 58 NIDDs), and 208 from brain-dead standard criteria donors (SCDs). Mean donor age (43.7 NIDD vs. 33.5 years SCD), KDPI (66% NIDD vs. 45% SCD), and recipient age (57 NIDD vs. 51 years SCD) were higher in the NIDD group (all p < .01). Mean waiting times (17.8 NIDD vs. 24.2 months SCD) and dialysis duration (34 NIDD vs. 47 months SCD) were shorter in the NIDD group (p < .05). Delayed graft function (DGF, 48%) and 1-year graft survival (92.7% NIDD vs. 95.9% SCD) was similar in both groups. Five-year patient and kidney graft survival rates were 82.1% versus 89.9% and 82.1% versus 75.2% (both p = NS) in the NIDD versus SCD groups, respectively. CONCLUSIONS The use of kidneys from AKI donors can be safely liberalized to include selected ECD and DCD donors.
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Affiliation(s)
- Christopher J Webb
- Department of Surgery, Section of Transplantation and the Section of Nephrology, Winston-Salem, North Carolina, USA
| | - Emily McCracken
- Department of Surgery, Section of Transplantation and the Section of Nephrology, Winston-Salem, North Carolina, USA
| | - Colleen L Jay
- Department of Surgery, Section of Transplantation and the Section of Nephrology, Winston-Salem, North Carolina, USA
| | - Berjesh Sharda
- Department of Surgery, Section of Transplantation and the Section of Nephrology, Winston-Salem, North Carolina, USA
| | - Matthew Garner
- Department of Surgery, Section of Transplantation and the Section of Nephrology, Winston-Salem, North Carolina, USA
| | - Alan C Farney
- Department of Surgery, Section of Transplantation and the Section of Nephrology, Winston-Salem, North Carolina, USA
| | - Giuseppe Orlando
- Department of Surgery, Section of Transplantation and the Section of Nephrology, Winston-Salem, North Carolina, USA
| | - Amber Reeves-Daniel
- Department of Medicine, Section of Nephrology, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Alejandra Mena-Gutierrez
- Department of Medicine, Section of Nephrology, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Natalia Sakhovskaya
- Department of Medicine, Section of Nephrology, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Bobby Stratta
- Department of Surgery, Section of Transplantation and the Section of Nephrology, Winston-Salem, North Carolina, USA
| | - Robert J Stratta
- Department of Surgery, Section of Transplantation and the Section of Nephrology, Winston-Salem, North Carolina, USA
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Punukollu R, Ryan M, Misra S, Budhiraja P, Ohara S, Kumm K, Guerra G, Reddy KS, Heilman R, Jadlowiec CC. Past, Current, and Future Perspectives on Transplanting Acute Kidney Injury Kidneys. Clin Pract 2023; 13:944-958. [PMID: 37623267 PMCID: PMC10453697 DOI: 10.3390/clinpract13040086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 07/24/2023] [Accepted: 08/08/2023] [Indexed: 08/26/2023] Open
Abstract
(1) Background: Acute kidney injury (AKI) kidneys have high non-utilization rates due to concerns regarding unfavorable outcomes. In this paper, we aimed to review the past, present, and future opinions on AKI kidneys. (2) Methods: A PubMed search was conducted for topics relevant to AKI kidney transplantation. (3) Results: Current short- and long-term data on AKI kidneys have demonstrated good outcomes including favorable graft function and survival. The role of procurement biopsies is controversial, but they have been shown to be beneficial in AKI kidneys by allowing clinicians to differentiate between reversible tubular injury and irreversible cortical necrosis. Machine perfusion has also been applied to AKI kidneys and has been shown to reduce delayed graft function (DGF). The incidence of DGF increases with AKI severity and its management can be challenging. Strategies employed to counteract this have included early initiation of dialysis after kidney transplantation, early targeting of adequate immunosuppression levels to minimize rejection risk, and establishment of outpatient dialysis. (4) Conclusions: Despite good outcomes, there continue to be barriers that impact AKI kidney utilization. Successful strategies have included use of procurement biopsies or machine perfusion and expectant management of DGF. With increasing experience, better use of AKI kidneys can result in additional opportunities to expand the donor pool.
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Affiliation(s)
- Rachana Punukollu
- Division of Transplant Surgery, Department of Surgery, Mayo Clinic, Phoenix, AZ 85054, USA
| | - Margaret Ryan
- Division of Anatomic Pathology, Mayo Clinic, Phoenix, AZ 85054, USA
| | - Suman Misra
- Division of Nephrology, Mayo Clinic, Phoenix, AZ 85054, USA
| | | | - Stephanie Ohara
- Division of Surgery, Valleywise Health Medical Center, Creighton University, Phoenix, AZ 85008, USA
| | - Kayla Kumm
- Division of Transplant Surgery, Department of Surgery, Mayo Clinic, Phoenix, AZ 85054, USA
| | - Giselle Guerra
- Division of Nephrology, Miami Transplant Institute, Miami, FL 33136, USA
| | - Kunam S. Reddy
- Division of Transplant Surgery, Department of Surgery, Mayo Clinic, Phoenix, AZ 85054, USA
| | | | - Caroline C. Jadlowiec
- Division of Transplant Surgery, Department of Surgery, Mayo Clinic, Phoenix, AZ 85054, USA
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Garner M, Jay CL, Sharda B, Webb C, Farney AC, Orlando G, Rogers J, Reeves-Daniel A, Mena-Gutierrez A, Sakhovskaya N, Stratta B, Stratta RJ. Long-term outcomes of kidney transplantation from deceased donors with terminal acute kidney injury: Single center experience and literature review. Clin Transplant 2023; 37:e14886. [PMID: 36524320 DOI: 10.1111/ctr.14886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 11/05/2022] [Accepted: 12/11/2022] [Indexed: 12/23/2022]
Abstract
INTRODUCTION Long-term outcomes of kidney transplantation from deceased donors (DDKTs) with terminal acute kidney injury (AKI) are not well defined. METHODS Single center retrospective review of DDKTs from 1/31/07-12/31/19. AKI kidneys were defined by a doubling of the donor's admission serum creatinine (SCr) level AND a terminal SCr ≥2.0 mg/dl. RESULTS A total of 188 AKI DDKTs were performed, including 154 from brain-dead standard criteria donors (SCD). Mean donor age was 36 years and mean Kidney Donor Profile Index was 50%; mean admission and terminal SCr levels were 1.3 and 3.1 mg/dl, respectively. With a mean follow-up of 94 months (median 89 months), overall patient (both 71.3%) and graft survival (54% AKI vs. 57% non-AKI) rates were comparable to concurrent DDKTs from brain-dead non-AKI SCDs (n = 769). Delayed graft function (DGF) was higher in AKI kidney recipients (47% vs. 20% non-AKI DDKTs, p < .0001). DGF was associated with lower graft survival in recipients of both AKI and non-AKI SCD kidneys but the impact was earlier and more pronounced in non-AKI recipients. CONCLUSIONS Despite having more than twice the incidence of DGF, kidneys from deceased donors with terminal AKI have long-term outcomes comparable to non-AKI SCD kidneys and represent a safe and effective method to expand the donor pool.
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Affiliation(s)
- Matthew Garner
- Department of Surgery, Section of Transplantation, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Colleen L Jay
- Department of Surgery, Section of Transplantation, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Berjesh Sharda
- Department of Surgery, Section of Transplantation, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Christopher Webb
- Department of Surgery, Section of Transplantation, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Alan C Farney
- Department of Surgery, Section of Transplantation, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Giuseppe Orlando
- Department of Surgery, Section of Transplantation, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Jeffrey Rogers
- Department of Surgery, Section of Transplantation, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Amber Reeves-Daniel
- Department of Medicine, Section of Nephrology, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Alejandra Mena-Gutierrez
- Department of Medicine, Section of Nephrology, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Natalia Sakhovskaya
- Department of Medicine, Section of Nephrology, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Bobby Stratta
- Department of Surgery, Section of Transplantation, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | - Robert J Stratta
- Department of Surgery, Section of Transplantation, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
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Yu K, Husain SA, King K, Stevens JS, Parikh CR, Mohan S. Kidney nonprocurement in deceased donors with acute kidney injury. Clin Transplant 2022; 36:e14788. [PMID: 35924345 PMCID: PMC9771943 DOI: 10.1111/ctr.14788] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 07/12/2022] [Accepted: 07/29/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND Acute kidney injury (AKI) is common in deceased organ donors and is associated with high rates of kidney discard by transplant centers. High discard rates may consequently drive nonprocurement of these kidneys by organ procurement organizations. We aimed to study the relationship between donor AKI and kidney nonprocurement. METHODS Using U.S. registry data, we identified donors with at least one organ recovered from 2008 to 2018. We compared characteristics of donors with no kidneys procured across AKI stages, and used multivariable logistic regression to evaluate the relationship between AKI severity and kidney nonprocurement. RESULTS Overall 14 543 kidneys from 7620 donors were not procured, among which 93% were from donors with AKI. For 6945 donors with no kidneys procured but an extrarenal organ recovered, most had stage 3 (51%), followed by stage 1 (27%) and stage 2 AKI (15%). Nonprocured stage 3 donors were the youngest and had the lowest Kidney Donor Risk Index of all nonprocured donors. Adjusted odds of kidney nonprocurement were 1.14 (95%CI 1.02-1.27) for stage 1, 1.25 (95%CI 1.12-1.41) for stage 2, and 10.37 (95%CI 9.30-11.56) for stage 3 donors, compared to non-AKI donors. Among donors with minimum creatinine <1.5 mg/dl, stage 2 and 3 AKI were still associated with significantly higher odds of nonprocurement. CONCLUSIONS AKI severity is a strong risk factor for kidney nonprocurement. Efforts to address the organ shortage should focus on encouraging procurement and utilization of kidneys from deceased donors with severe AKI, given the large and rising prevalence of donor AKI and excellent transplant outcomes with these kidneys.
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Affiliation(s)
- Kathleen Yu
- Department of Medicine, Division of Nephrology, Columbia University Medical Center, New York, New York, USA
| | - Syed A Husain
- Department of Medicine, Division of Nephrology, Columbia University Medical Center, New York, New York, USA
| | - Kristen King
- Department of Medicine, Division of Nephrology, Columbia University Medical Center, New York, New York, USA
| | - Jacob S Stevens
- Department of Medicine, Division of Nephrology, Columbia University Medical Center, New York, New York, USA
| | - Chirag R Parikh
- Division of Nephrology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Sumit Mohan
- Department of Medicine, Division of Nephrology, Columbia University Medical Center, New York, New York, USA
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York, USA
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Budhiraja P, Reddy KS, Butterfield RJ, Jadlowiec CC, Moss AA, Khamash HA, Kodali L, Misra SS, Heilman RL. Duration of delayed graft function and its impact on graft outcomes in deceased donor kidney transplantation. BMC Nephrol 2022; 23:154. [PMID: 35440023 PMCID: PMC9017045 DOI: 10.1186/s12882-022-02777-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 03/30/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND There is controversy regarding the impact of delayed graft function (DGF) on kidney transplant outcomes. We hypothesize that the duration of DGF, rather than DGF itself, is associated with long-term kidney graft function. METHODS We analyzed all deceased donor kidney transplants (DDKT) done at our center between 2008 to 2020. We determined factors associated with DGF duration. DGF duration was assessed at three 14-day intervals: < 14 DGF days, 14-27 DGF days, > 28 DGF days. We studied the impact of DGF duration on survival and graft function and resource utilization, including hospital length of stay and readmissions. RESULTS 1714 DDKT recipients were included, 59.4% (n = 1018) had DGF. The median DGF duration was 10 days IQR (6,15). The majority of recipients (95%) had resolution of DGF within 28 days. Donor factors associated with DGF days were longer cold ischemia time, donor on inotropes, older age, donation after circulatory death, higher terminal creatinine, and hypertension. Recipient factors associated with increased DGF duration included male sex, length on dialysis before transplant, and higher body mass index. There were no differences in acute rejection events or interstitial fibrosis progression by 4 months when comparing DGF days. The median length of stay was 3 days. However, readmissions increased with increasing DGF duration. Death-censored graft survival was not associated with the length of DGF except when DGF lasted > 28 days. CONCLUSIONS Inferior graft survival was observed only in recipients of DDKT with DGF lasting beyond 28 days. DGF lasting < 28 days had no impact on graft survival. Duration of DGF, rather than DGF itself, is associated with graft survival. TRIAL REGISTRATION Retrospective study approved by Mayo Clinic IRB number ID: 20-011561.
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Affiliation(s)
- Pooja Budhiraja
- Division of Nephrology, Mayo Clinic Hospital, 5777 East Mayo Blvd, Phoenix, AZ, 85054, USA.
| | - Kunam S Reddy
- Department of Surgery, Mayo Clinic, 5777 East Mayo Blvd, Phoenix, AZ, 85054, USA
| | | | - Caroline C Jadlowiec
- Department of Surgery, Mayo Clinic, 5777 East Mayo Blvd, Phoenix, AZ, 85054, USA
| | - Adyr A Moss
- Department of Surgery, Mayo Clinic, 5777 East Mayo Blvd, Phoenix, AZ, 85054, USA
| | - Hassan A Khamash
- Division of Nephrology, Mayo Clinic Hospital, 5777 East Mayo Blvd, Phoenix, AZ, 85054, USA
| | - Lavanya Kodali
- Division of Nephrology, Mayo Clinic Hospital, 5777 East Mayo Blvd, Phoenix, AZ, 85054, USA
| | - Suman S Misra
- Division of Nephrology, Mayo Clinic Hospital, 5777 East Mayo Blvd, Phoenix, AZ, 85054, USA
| | - Raymond L Heilman
- Division of Nephrology, Mayo Clinic Hospital, 5777 East Mayo Blvd, Phoenix, AZ, 85054, USA
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