Effect of ST36 Acupuncture on Hyperventilation-Induced CO₂ Reactivity of the Basilar and Middle Cerebral Arteries and Heart Rate Variability in Normal Subjects

Table 1

Changes in hyperventilation-induced CO₂ reactivity (%/min) before and after ST36 acupuncture.

	Before	After	𝑃 value
Ipsilateral MCA	1.92±0.62	2.19±0.56	0.013
Contralateral MCA	1.71±0.41	1.92±0.35	0.022
BA	2.78±0.76	3.29±0.85	0.037

MCA, middle cerebral artery; BA, basilar artery.