Patient Population
Because of the sensitive nature of the data collected for this study,
requests to access the dataset from qualified researchers trained in
human subject confidentiality protocols may be sent to the United
Network for Organ Sharing (UNOS). We conducted a retrospective review of
prospectively collected data in the UNOS database. The database was
queried for all patients that underwent orthotopic heart transplantation
(OHT) between 2000-2019. Patients were excluded if they underwent
transplantation before the year 2000, were less than 18 years old, had a
history of prior heart transplantation, underwent multiorgan transplant,
or had incomplete survival status at one year. This retrospective
analysis of deidentified data was deemed except from Institutional
Review Board approval and patient consent was not required.