Brain Circulation during Panic Attack: A Transcranial Doppler Study with Clomipramine Challenge

Table 1

Comparison of average MFV values in the four phases of the test (CMI values split also into CMI₁ and CMI₂) for both left and right middle cerebral arteries, between panickers and nonpanickers.

	Mean MFV (cm/sec)		𝑃
	Panickers; (𝑛=14)	Nonpanickers; (𝑛=23)
Baseline
RMCA	67.2	67.2	0.99
LMCA	70.5	67.5	0.53
Placebo
RMCA	67.1	67.1	0.99
LMCA	71.5	65.4	0.21
CMI1
RMCA	67.2	67.3	0.97
LMCA	70.3	65.3	0.33
CMI2
RMCA	63.6	68.9	0.30
LMCA	67.9	66.8	0.84
CMI
RMCA	65.6	68.0	0.64
LMCA	69.3	65.9	0.52
Wash
RMCA	68.3	68.2	0.98
LMCA	70.4	65.6	0.48

MFV: mean flow velocity; RMCA: right middle cerebral artery; LMCA: left middle cerebral artery; CMI: clomipramine.