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Mitochondrial transplantation normalizes transcriptomic and proteomic shift associated with ischemia reperfusion injury in neonatal hearts donated after circulatory death.
Sci Rep
December 2024
Department of Cardiac Surgery, Boston Children's Hospital, 300 Longwood Ave, Boston, MA, 02115, USA.
Heart transplantation remains the ultimate treatment strategy for neonates and children with medically refractory end-stage heart failure and utilization of donors after circulatory death (DCD) can expand th donor pool. We have previously shown that mitochondrial transplantation preserves myocardial function and viability in neonatal swine DCD hearts to levels similar to that observed in donation after brain death (DBD). Herein, we sought to investigate the transcriptomic and proteomic pathways implicated in these phenotypic changes using ex situ perfused swine hearts.
View Article and Find Full Text PDFDonation After Circulatory Determination of Death in Pediatric Patients on Extracorporeal Membrane Oxygenation at the Time of Death.
Pediatr Transplant
February 2025
Division of Critical Care, Department of Pediatrics, Baylor College of Medicine and Texas Children's Hospital, Houston, Texas, USA.
Background: Pediatric solid organ transplantation is challenging due to the limited availability of suitable organs resulting in an increasing waitlist. Many pediatric transplant recipients receive organs from deceased donors, often after neurologic determination of death. Organ donation from patients on extracorporeal membrane oxygenation (ECMO) at the time of death has been described in adults, offering the potential for donation after circulatory determination of death (DCDD) with minimal ischemia time.
View Article and Find Full Text PDFThe Impact of Donor Obesity on Outcomes of Donation After Circulatory Death Heart Transplantation.
J Thorac Cardiovasc Surg
December 2024
Division of Cardiothoracic Surgery, Department of Surgery, Pauley Heart Center, Virginia Commonwealth University School of Medicine, Richmond, VA.
Objectives: In the setting of the obesity epidemic and donor organ shortage in the United States, there's a growing need to expand the donor organ eligibility criteria for orthotopic heart transplantation (OHT). Donation after circulatory death (DCD) has emerged as a promising solution, but the outcomes with obese donor hearts in DCD remains unknown.
Methods: Using the UNOS registry between 2019 and 2024, recipients of DCD OHT were stratified into three donor obesity categories by body mass index (BMI): underweight/normal (BMI <25kg/m), overweight (BMI 25-30kg/m), and obese (BMI >30kg/m).
Does the utilization of machine perfusion require a boundary for livers donated after circulatory death?
Liver Transpl
October 2024
Department of Hepatobiliary and Pancreatic Surgery and Minimally Invasive Surgery, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), School of Clinical Medicine, Hangzhou Medical College, Hangzhou, China.
Molecular Xenomonitoring (MX) allows real-time surveillance of West Nile and Usutu virus in mosquito populations.
PLoS Negl Trop Dis
December 2024
Unité des Virus Émergents (UVE: Aix-Marseille Univ, Università di Corsica, IRD 190, Inserm 1207, IRBA), France.
West Nile Virus (WNV) and Usutu virus (USUV) circulate through complex cryptic transmission cycles involving mosquitoes as vectors, birds as amplifying hosts and several mammal species as dead-end hosts. Both viruses can be transmitted to humans through mosquito bites, which can lead to neuroinvasive and potentially fatal disease. Notably, WNV can also be transmitted through blood donations and organ transplants.
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