Transplantation proceedings
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Despite an increase in patients with end-stage heart failure, the acceptance rate has been going down in recent years owing to a change in donor demographics. Furthermore, the rate of emergency heart transplantation has progressively increased. The result is an increase in the time awaiting heart transplantation in elective patients and therefore in the risk of sudden death in this population. Implantable cardioverter defibrillators (ICDs) could be a preventive option in these cases. However, indications for the implantation in this population are not well established. ⋯ This study suggests that ICD could reduce the risk of sudden death in patients with LVEF ≤ 30% while awaiting heart transplantation. However, more studies are needed to confirm these results.
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Observational Study
Outcomes in renal transplantation with expanded-criteria donors.
Kidney transplantation is the treatment of choice for patients with end-stage renal disease. In recent years donor criteria have changed to increase the percentage of expanded-criteria donors (ECDs). The aim of this study was to analyze transplants from ECDs obtained at our institution from. 2010 to 2012. We studied the comorbidity of ECD, preimplantation histologic study, renal function, and survival of transplanted grafts. ⋯ We found no differences in graft survival from ECD compared with the control group of standard-criteria donors. The evaluation of grafts from ECD may be a strategy to increase the number of kidney transplants.
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Approaches to preserve renal function after liver transplantation (OLT), such as the delayed use of calcineurin inhibitors (CNI), may reduce the need for postoperative renal replacement therapy (RRT) or simultaneous liver-kidney transplantation (SLK). ⋯ This noninduction, RS protocol is effective in patients not on pre-OLT RRT. Patients on RRT pre-OLT should be considered for more aggressive renal sparing approaches (induction therapy with more delayed CNI initiation or SLK).
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Regional oxygen saturation (rSO(2)) is a sensitive marker of cerebral hypoperfusion during liver transplantation. However, bilirubin absorbs near-infrared light, resulting in falsely low rSO(2) values. We sought to determine whether rSO(2) values vary in response to bilirubin concentrations during liver transplantation and to assess whether rSO(2) changes were associated with factors reflecting cerebral oxygen delivery in patients with hyperbilirubinemia. ⋯ Our findings showed that rSO(2) changes were independently associated with factors reflecting cerebral oxygen delivery, such as Hb, CO, PaCO(2), and pH, whereas rSO(2) values did not correlate with changes in bilirubin concentrations, indicating that rSO(2) changes reveal cerebral oxygen balance regardless of TB levels among patients undergoing liver transplantation.
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We investigated the prevalence and clinical characteristics of obstructive sleep apnea syndrome (OSAS) among heart transplantation patients. ⋯ OSA is prevalent among heart transplantation patients. Obesity is a risk factor and waist circumference, and independent predictor for OSA.