Transplantation proceedings
-
The aim of this study was to evaluate liver arteries to depict variations by using multidetector computed tomography (CT) in donor candidates for living related liver transplantation. ⋯ Preoperative imaging evaluation of hepatic vascular anatomy is crucial for surgical planning in living related transplant donors. Multidetector CT is useful to depict hepatic arterial anatomy with high accuracy.
-
Over the years, the frequency of heart transplant candidates with HLA sensitization has increased as a result of the number of patients bridged to transplant using left ventricular assist devices (LVAD). Here we have examined 119 patients who were bridged to transplant with LVAD for a relationship between HLA antibodies and early (30 days) and late (2 years or more) rejection, as evidenced by endomyocardial biopsies. Both cytotoxic panel-reactive antibody reactions against a panel of T lymphocytes (T-PRA) and the percentage of transplants that occurred across a positive class I flow cross-match were examined. ⋯ None of the patients who had a grade 0 biopsy at 30 days posttransplant had a positive flow cytometry class I cross-match (P = .02), although the same pattern did not occur later due to a small number of patients (n = 3) who had negative biopsies. Thus, when biopsy results were examined early or late posttransplant, patients with negative biopsy results tended to have less HLA sensitization. While the methods of HLA sensitization involve humoral responses, more aggressive immunosuppression might be warranted to attempt to reduce cellular rejection posttransplant if HLA class I antibodies are present at the time of transplant.
-
Procurement of kidneys and livers from non-heart-beating donors (NHBDs) raises ethical and legal issues that need to be considered carefully before wider use of these donors. Although NHBDs were used in kidney transplantation as early as the 1960s, retrieval of these organs is by no means universally accepted today. From a medical point of view, these organs have long been considered "marginal" because the majority show delayed or impaired graft function. ⋯ Recent legislation in the Netherlands also supports the use of NHBDs by making possible the use of organ preservation measures after circulatory arrest, even in the absence of family consent. As a result, one of every three kidneys transplanted in the Netherlands in 2004 was obtained from a NHBD. In this study, Dutch NHBD protocols, practice, and results are analyzed and compared with international practices.
-
We undertook a prospective audit of all the deaths in the trauma unit, the emergency unit, and the intensive care units to estimate the number of potential organ donors in the hospital and identify the reasons for nonreferral of potential donors. The transplant coordinators undertook daily visits to the above units and documented all of the deaths occurring in the previous 24 hours. The patient records were reviewed, and the medical and nursing staff interviewed to determine the precise circumstances surrounding the death. ⋯ In the emergency unit, only one of 76 patients who died was certified brain dead and referred as an organ donor. Although many of the deaths in the above units are related to a head injury or cerebral event, very few are actually certified brain dead. All potential donors who were certified brain dead were referred to the transplant team.
-
To study the effects of N-acetylcysteine and ischemic preconditioning on the portal triad clamping compared to arterial and portal clamping alone. ⋯ IPC protects the liver from IR injury; classic portal triad clamping results in a less severe hepatic IR injury when compared to bile duct exclusion.