Key result
Interventions such as valsalva maneuvers, controlled respiration, and tilt table result in a very small but significant change of heart rate variability in patients after heart transplantation.
Why the study?
Do physiological interventions affect heart rate variability in heart transplant recipients?
Population
Heart transplant recipients
Design
Review
Authors
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Minimal HRV shifts during maneuvers post-transplant merit cautious interpretation; leaves open sinus node autonomy or reinnervation.
Do physiological interventions affect heart rate variability in heart transplant recipients?
Small but significant changes in heart rate variability after heart transplantation during physiological maneuvers suggest local influences at the donor sinus node or potential reinnervation.
Frey et al. (1996) conducted a review in Heart transplantation. Valsalva maneuvers, controlled respiration, and tilt table was evaluated on Heart rate variability (HRV). Interventions such as valsalva maneuvers, controlled respiration, and tilt table result in a very small but significant change of heart rate variability in patients after heart transplantation.
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