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Posttransplant Outcomes of Kidneys Donated After Brain Death Followed by Circulatory Death: A Cohort Study of 128 Chinese Patients.

ABSTRACT: Donation after brain death followed by circulatory death (DBCD) is a new class in the unique Chinese donor classification system. Currently, in China, the organ transplantation of DBCD is rising. However, there is a dearth of research on the characteristics and outcomes of DBCD kidney transplantation.We collected 128 DBCD renal transplant patients who underwent surgery between June 2013 and May 2016 at our center to analyze clinical outcomes and to share our experience to enhance perioperative management in DBCD kidney transplantation.At the end of follow-up, no patients experienced primary nonfunction, but delayed graft function occurred in 25.8%. One- and 3-year graft survivals were 97.7% and 94.5%, respectively. The average length of stay was 20.88 ± 14.6 days, the incidence of posttransplant complications was 46.1% (59 patients), and 31 patients suffered more than 1 complication. In addition, the average length of stay of patients without complications and with at least 1 complication was 13.07 ± 2.01 days and 30.02 ± 17.4 days, respectively. There was a significantly higher incidence of complications associated with the postoperative hospital stay in DBCD patients.Patients who received a DBCD kidney demonstrated a good outcome in terms of both graft survival and graft function. Hence, DBCD is suitable for national reality and conditions and offers a feasible option for deceased-donor kidney transplantation in China. To prevent complications and reduce the duration of hospital stay, we should strengthen preoperative and postoperative management.

SUBMITTER: Na N

PROVIDER: S-EPMC5540627 | biostudies-other | 2017 Aug

REPOSITORIES: biostudies-other

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Project description:Kidney transplantation is the preferred treatment for ESRD, and donor kidney shortage urges proper donor-recipient matching. Zero-hour biopsies provide predictive values for short- and long-term transplantation outcomes, but are invasive and may not reflect the entire organ. Alternative, more representative methods to predict transplantation outcome are required. We hypothesized that proteins accumulating in preservation fluid during cold ischemic storage can serve as biomarkers to predict post-transplantation graft function.Levels of 158 proteins were measured in preservation fluids from kidneys donated after circulatory death (Maastricht category III) collected in two Dutch centers (University Medical Center Utrecht and Erasmus Medical Center Rotterdam) between 2013 and 2015. Five candidate biomarkers identified in a discovery set of eight kidneys with immediate function (IF) versus eight with delayed graft function (DGF) were subsequently analyzed in a verification set of 40 additional preservation fluids to establish a prediction model.Variables tested for their contribution to a prediction model included five proteins (leptin, periostin, GM-CSF, plasminogen activator inhibitor-1, and osteopontin) and two clinical parameters (recipient body mass index [BMI] and dialysis duration) that distinguished between IF and DGF in the discovery set. Stepwise multivariable logistic regression provided a prediction model on the basis of leptin and GM-CSF. Receiver operating characteristic analysis showed an area under the curve (AUC) of 0.87, and addition of recipient BMI generated a model with an AUC of 0.89, outperforming the Kidney Donor Risk Index and the DGF risk calculator, showing AUCs of 0.55 and 0.59, respectively.We demonstrate that donor kidney preservation fluid harbors biomarkers that, together with information on recipient BMI, predict short-term post-transplantation kidney function. Our approach is safe, easy, and performs better than current prediction algorithms, which are only on the basis of clinical parameters.

Dataset Information

Posttransplant Outcomes of Kidneys Donated After Brain Death Followed by Circulatory Death: A Cohort Study of 128 Chinese Patients.

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