Table 2. Clinical and thrombus characteristics of acute ischemic stroke patients with IV rt-PA naïve thrombi.

Age/gender	Time interval between symptom onset and thrombus retrieval (min)	Initial NIHSS score	Location of occlusion	Cardiovascular risk factors	Thrombus type	Thrombus topography	Outcome at discharge (mRS)
94/man	340	19	Middle cerebral artery	Hypertension, atrial fibrillation	Mixed region dominant	Erythrocyte aggregates	4
64/man	405	5	Middle cerebral artery	Hyperlipidemia, atrial fibrillation	Erythrocytes dominant	Erythrocyte aggregates	0
70/man	327	7	Vertebral artery	Hypertension, diabetes mellitus, hyperlipidemia, atrial fibrillation	Erythrocytes dominant	Random pattern†	5
64/woman	288	10	Middle cerebral artery	None	Mixed region dominant	Repeat pattern†	3
49/man	1213	2	Internal carotid artery	Hypertension, hyperlipidemia	Fibrin dominant	Repeat pattern†	4
93/woman	345	15	Middle cerebral artery	Hypertension	Fibrin dominant	Repeat pattern†	5
85/woman	245	14	Internal carotid artery	Hypertension, diabetes mellitus, hyperlipidemia	Mixed region dominant	Random pattern†	4
88/woman	586	10	Middle cerebral artery	Hypertension, hyperlipidemia, atrial fibrillation	Mixed region dominant	Random pattern†	2
68/man	126	18	Middle cerebral artery	Hypertension, hyperlipidemia, atrial fibrillation	Erythrocytes dominant	Random pattern†	4
79/woman	167	26	Middle cerebral artery	Hypertension, hyperlipidemia, atrial fibrillation	Fibrin dominant	Erythrocyte aggregates	6
49/man	211	15	Middle cerebral artery	Hypertension, hyperlipidemia	Fibrin dominant	Random pattern†	4

NIHSS – National institutes of Health stroke scale, mins – minutes, mRS-modified Rankin scale.

^†Random or repeated pattern of fibrin deposits with nest-like trapped erythrocytes.