Why the study?
Does oesophageal stimulation alter neurocardiac function and heart rate variability in healthy male volunteers?
Population
14 healthy male volunteers
Comparison
Distal oesophageal stimulation using either… vs At rest (baseline)
Design
Other
Authors
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Oesophageal stimulation boosts vagal HRV in healthy volunteers; hypothesis-generating for gastrocardiac reflexes, should not change practice.
Does oesophageal stimulation alter neurocardiac function and heart rate variability in healthy male volunteers?
Oesophageal stimulation amplifies respiratory-driven cardiac vagoafferent modulation and decreases sympathetic modulation, demonstrating a neurocardiac reflex pathway.
Tougas et al. (1997) studied this question.
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