Table 1

Frequency of intracranial lodgment of clot fragments for the four SAV conditions tested

Embolus locationTotal emboli*
(n=406)		Patent
SAV
(n=97)		Ipsilateral CA occluded
(n=88)		Contralateral CA occluded
(n=122)		Vertebral arteries occluded
(n=99)		P value
Ipsilateral MCA159
(39.2%)		47
(48.5%)		33
(37.5%)		39
(32%)		40
(40.4%)		<0.0001
Ipsilateral A1 and A2 segments99
(24.4%)		28
(28.9%)		14
(15.9%)		30
(24.6%)		27
(27.3%)
Ipsilateral PCA56
(13.8%)		11
(11.3%)		12
(13.6%)		8
(6.6%)		25
(25.3%)
Contralateral MCA33
(8.1%)		0
–		7
(8%)		25
(20.5%)		1
(1%)
Contralateral A1 and A2 segments+ACoA30
(7.4%)		1
(1%)		5
(5.7%)		20
(16.4%)		4
(4%)
Floating ICA thrombus16
(3.9%)		6
(6.2%)		10
(11.4%)		0
–		0
–
Terminal ICA11
(2.7%)		4
(4.1%)		5
(5.7%)		0
–		2
(2%)
Contralateral PCA2
(0.5%)		0
–		2
(2.3%)		0
–		0
–

  • Markov Chain Monte Carlo estimated p value.

  • *Fragments of the same clot repeating an anchor location have also been included.

  • ACoA, anterior communicating artery; CA, carotid artery; MCA, middle cerebral artery; PCA, posterior cerebral artery; SAV, supra-aortic vessel.