“…In both allogeneic and orthotopic heart transplantation, the donor heart faces denervation and is vulnerable to a variety of cardiovascular events in the absence of central innervation, such as arrhythmias, abnormal chest pain, sudden atrial fibrillation, sudden cardiac death, and stroke ( Joglar et al, 2021 ; Firoz et al, 2022 ). With the popularity of the heart transplantation approach and extensive research, it has been reported that the sympathetic nerves of the heart gradually regenerate over time, restoring sympathetic innervation to the heart and participating in the rhythm regulation of the heart and the perfusion of the heart muscle ( Jakus et al, 2022 ). The state of cardiac transplant sympathetic reinnervation varies from one heart transplant patient to another, with some heterogeneity in various regions of the heart ( Wilson et al, 1991 ).…”