Table 2.

MRA lesions at baseline and recanalization status at follow-up

	DEFUSE				EPITHET
MRA Lesion	Baseline N (%)	Follow-Up Recanalization Status			Baseline N (%)	Follow-Up Recanalization Status
		None	Partial	Complete		None	Partial	Complete
ICA complete occlusion	6 (8%)	17%	83%	0%	15 (15%)	60%	40%	0%
ICA partial occlusion	6 (8%)	83%	-	17%	5 (5%)	100%	-	0%
MCA M1 complete occlusion	16 (22%)	50%	25%	25%	18 (18%)	11%	56%	33%
MCA M1 partial occlusion	12 (16%)	58%	-	42%	7 (7%)	14%	-	86%
MCA M2 complete occlusion	2 (3%)	0%	0%	100%	2 (2%)	0%	0%	100%
MCA M2 partial occlusion	2 (3%)	0%	-	100%	1 (1%)	0%	-	100%
PCA occlusion	3 (4%)	33%	0%	67%	0 (0%)	0%	0%	0%
No lesion	16 (22%)				33 (33%)
Inadequate study	11 (15%)				19 (19%)

Follow-up MRAs were obtained at 3–6 hours after treatment in DEFUSE and at 3–5 days after treatment in EPITHET. ICA indicates internal carotid artery; MCA M1 middle cerebral artery, first branch; MCA M2 middle cerebral artery, second branch; PCA posterior cerebral artery.