Why the study?
Does high thoracic spinal anesthesia alter heart rate variability and autonomic regulation in former premature infants?
Population
8 ASA grade II former premature infants undergoing inguinal hernia repairs
Comparison
High thoracic spinal anesthesia vs Preoperative baseline and postoperative active…
Design
Cohort
Follow-up
Perioperative period
Authors
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Suggests vagal withdrawal offsets sympatholysis to preserve hemodynamics in former premature infants; hypothesis-generating and needs prospective validation.
Does high thoracic spinal anesthesia alter heart rate variability and autonomic regulation in former premature infants?
High thoracic spinal anesthesia in former premature infants maintains cardiovascular stability through a withdrawal of cardiac vagal activity that offsets expected sympatholysis.
Oberlander et al. (1995) studied this question.
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