Absence of parasympathetic control of heart rate after human orthotopic cardiac transplantation.

@article{Arrowood1997AbsenceOP,
  title={Absence of parasympathetic control of heart rate after human orthotopic cardiac transplantation.},
  author={James Arrowood and Anthony J. Minisi and E. Scott Goudreau and Adriane B. Davis and Alistair L. King},
  journal={Circulation},
  year={1997},
  volume={96 10},
  pages={3492-8}
}
BACKGROUND Partial reinnervation of cardiac sympathetic nerves has been observed after heart transplantation; we hypothesized that parasympathetic control to the heart after transplantation may return as well. To test this hypothesis, we examined heart rate responses produced by two cardiovascular reflexes whose efferent limbs are subserved by vagal fibers to the heart: (1) trigeminal reflex (simulated diving reflex) and (2) arterial baroreflex with phenylephrine injection. METHODS AND… CONTINUE READING
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