This document was developed through the collaborative efforts of the Society of Critical Care Medicine, the American College of Chest Physicians, and the Association of Organ Procurement Organizations. Under the auspices of these societies, a multidisciplinary, multi-institutional task force was convened, incorporating expertise in critical care medicine, organ donor management, and transplantation. Members of the task force were divided into 13 subcommittees, each focused on one of the following general or organ-specific areas: death determination using neurologic criteria, donation after circulatory death determination, authorization process, general contraindications to donation, hemodynamic management, endocrine dysfunction and hormone replacement therapy, pediatric donor management, cardiac donation, lung donation, liver donation, kidney donation, small bowel donation, and pancreas donation. Subcommittees were charged with generating a series of management-related questions related to their topic. For each question, subcommittees provided a summary of relevant literature and specific recommendations. The specific recommendations were approved by all members of the task force and then assembled into a complete document. Because the available literature was overwhelmingly comprised of observational studies and case series, representing low-quality evidence, a decision was made that the document would assume the form of a consensus statement rather than a formally graded guideline. The goal of this document is to provide critical care practitioners with essential information and practical recommendations related to management of the potential organ donor, based on the available literature and expert consensus.

/pdf/management-of-the-potential-organ-donor-in-the-icu-society-17ltdvdbv2.pdf

Management of the Potential Organ Donor in the ICU: Society of Critical Care Medicine/American College of Chest Physicians/Association of Organ Procurement Organizations Consensus Statement

Background Poor graft function early after liver transplantation is an important cause of morbidity and mortality. We defined early allograft dysfunction (EAD) using readily available indices of function and identified donor, graft, and pretransplant recipient factors associated with this outcome. Methods This study examined 710 adult recipients of a first, single-organ liver transplantation for non-fulminant liver disease at three United States centers. EAD was defined by the presence of at least one of the following between 2 and 7 days after liver transplantation: serum bilirubin >10 mg/dl, prothrombin time (PT) > or =17 sec, and hepatic encephalopathy. Results EAD incidence was 23%. Median intensive care unit (ICU) and hospital stays were longer for recipients with EAD than those without (4 days vs. 3 days, P = 0.0001; 24 vs. 15 days, P = 0.0001, respectively). Three-year recipient and graft survival were worse in those with EAD than in those without (68% vs. 83%, P = .0001; 61% vs. 79%, P = 0.0001). A logistic regression model combining donor, graft, and recipient factors predicted EAD better than models examining these factors in isolation. Pretransplant recipient elevations in PT and bilirubin, awaiting a graft in hospital or ICU, donor age > or =50 years, donor hospital stay >3 days, preprocurement acidosis, and cold ischemia time > or =15 hr were independently associated with EAD. Conclusion Recipients who develop EAD have longer ICU and hospital stays and greater mortality than those without. Donor, graft, and recipient risk factors all contribute to the development of EAD. Results of these analyses identify factors that, if modified, may alter the risk of EAD.

Early allograft dysfunction after liver transplantation: a definition and predictors of outcome. National Institute of Diabetes and Digestive and Kidney Diseases Liver Transplantation Database.

Objective:The objective of this study was to evaluate the effect of systematic utilization of extended donor criteria liver allografts (EDC), including living donor allografts (LDLT), on patient access to liver transplantation (LTX)Summary Background Data:Utilization of liver allografts that do not

Utilization of extended donor criteria liver allografts maximizes donor use and patient access to liver transplantation.

https://onlinelibrary.wiley.com/doi/pdf/10.1034/j.1600-6143.2001.10205.x

Heme oxygenase-1 overexpression protects rat livers from ischemia/reperfusion injury with extended cold preservation.

Background. The urgent need to increase the organ donor pool has led to the expansion of criteria for donor selection. The aim of this study was to analyze the influence of donor age on early graft function, subsequent graft loss, and mortality after liver transplantation (LT). Methods. Data on LT were evaluated retrospectively in a population-based cohort of 400 LTs in 348 patients. Of these, 21 (5%) were from donors >70 years old. Pretransplantation donor and recipient characteristics and the evolution of recipients were analyzed. The influence of donor age as a risk factor was assessed using univariate and multivariate analyses. Results. Actuarial graft survival was 89% at 1 month after LT, 81% after 6 months, and 59% after 60 months. Multivariate analysis demonstrated that only donor age (>70 years old) was associated with a higher risk of long-term graft loss (relative risk [RR] = 1.4, 95% confidence interval [CI] = 1-1.9; P=0.03) and mortality (RR=1.7, 95% CI=1.2-2.3; P=0.01). Graft survival of septuagenarian livers was 80% at 1 month after LT, 56% after 6 months, and 25% after 54 months. Actuarial survival analysis (Kaplan-Meier curves) also demonstrated worse evolution in recipients of livers from old donors (log-rank test, P<0.001). Conclusions. Advanced donor age is associated with lower graft and recipient survival.

The impact of donor age on liver transplantation: influence of donor age on early liver function and on subsequent patient and graft survival.

The aim of this study was to analyze the donor risk factors associated with second orthotopic liver transplantation (reOLT) and graft loss after OLT within 1 month. A total of 649 OLTs performed in 11 centers in Spain during the period from 1992 to 1993 were analyzed retrospectively. Eleven donor and recipient variables were studied. Biochemical evolution of the OLT, biliary and arterial complications, patient status (alive, retransplanted, or dead), and follow-up were also recorded. Bivariate study demonstrated that extended preservation ( > 12 hr) was associated with increased biliary complications (P = 0.02), and lower prothrombin time (P = 0.04). In a logistic model regression for biliary complications, ischemia > 12 hr was an independent risk factor (odds ratio = 2.2, 95% confidence interval [CI] = 1.1-4.3). The multivariate Cox proportional model of potential risk factors showed that only urgent reOLT (relative risk [RR] = 2.7, 95% CI = 1.4-5.4) was independently associated with higher 30-day mortality. Donor plasma sodium > 155 mmol/L (RR = 1.4, 95% CI = 1.0-2.2) and incompatible ABO graft (RR = 3.2, 95% CI = 1.3-7.9) were independently associated with increased rate of reOLT before 30 days. Donor plasma sodium > 155 mmol/L (RR = 2, 95% CI = 1.1-3.6) and incompatible graft (RR = 3.3, 95% CI = 1.4-8.2) were independently associated with graft loss (death or reOLT) before 1 month. We conclude that cold ischemia should be kept less than 12 hr in order to avoid biliary complications. Donors over 60 years old or with plasma sodium > 155 should be carefully evaluated before OLT.

The deleterious effect of donor high plasma sodium and extended preservation in liver transplantation. A multivariate analysis.

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The deleterious effect of donor high plasma sodium and extended preservation in liver transplantation. A multivariate analysis.