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

Table 2

Changes in corrected blood flow velocity at P_ETCO2=40 mmHg (CV40, cm/sec) before and after ST36 acupuncture.

	Before	After	𝑃 value
Ipsilateral MCA	58.1±11.7	60.7±14.4	0.241
Contralateral MCA	58.3±11.0	61.2±11.7	0.114
BA	29.2±6.6	35.5±10.6	0.005

MCA, middle cerebral artery; BA, basilar artery.