Table 3:

Summary of previously published tandem occlusion series

Authors, Year Published	Patients (No.)	% of TO Etiologies^{^a}	TICI 2b/3 or TIMI 2–3	mRS ≤2	mRS 6	sICH	Periprocedural Complications
Malik et al, 2011²¹	77	100/0/0/0	58.0 (75.3)^{^b}	32.0 (41.6)	18.0 (23.4)	8.0 (10.4)	NA
Kwak et al, 2013²	35	100/0/0/0	26.0 (74.3)	22.0 (62.9)	4.0 (11.4)	1.0 (2.9)	0.0 (0.0)
Stampfl et al, 2014²³	24	100/0/0/0	15.0 (62.5)	7.0 (29.2)	4.0 (16.7)	4.0 (16.7)	1.0 (4.2)
Maurer et al, 2015²⁴	43	77/7/0/6	33.0 (76.7)	14.0 (32.6)	9.0 (20.9)	5.0 (11.6)	1.0 (2.3)
Cohen et al, 2015²⁵	24	100/0/0/0	19.0 (79.2)	13.0 (54.2)	2.0 (8.3)	0.0 (0.0)	0.0 (0.0)
Lockau et al, 2015⁷	37	65/35/0/0	27.0 (73.0)	17.0 (45.9)	7.0 (18.9)	4.0 (10.8)	8.0 (21.6)
Spiotta et al, 2015²⁶	16	100/0/0/0	16.0 (100.0)	8.0 (50.0)	3.0 (18.8)	2.0 (12.5)	0.0 (0.0)
Lescher et al, 2015¹³	39	28/18/54/0	25.0 (64.1)	14.0 (35.9)	4.0 (10.3)	4.0 (10.3)	0.0 (0.0)
Behme et al, 2015²⁷	170	100/0/0/0	130.0 (76.5)	62.0 (36.5)	32.0 (18.8)	15.0 (8.8)	NA
Grigoryan et al, 2016¹⁵	100	89/11/0/0	88.0 (88.0)	42.0 (42.0)	20.0 (20.0)	NA	NA
Fahed et al, 2016¹⁴	70	54/19/19/8	47.0 (67.1)	33.0 (47.1)	9.0 (13.4)	NA	12.0 (17.1)
This series	86	77/23/0/0	56.0 (65.1)	41.0 (48.2)	17.0 (20.0)	11.0 (12.8)	24.0 (27.9)
Atherothrombotic TOs	66		42.0 (63.6)	27.0 (41.5)	15.0 (23.1)	10.0 (15.2)	22.0 (33.3)
Dissecting TOs¹⁹	20		14.0 (70.0)	14.0 (70.0)	2.0 (10.0)	1.0 (5.0)	2.0 (10.0)

Note:—NA indicates non-available data; TIMI, Thrombolysis in Myocardial Infarction.
↵a Distribution of the TO etiologies in percentages: atheromatous/dissection/cardioembolic/other causes.
↵b Recanalization assessed with the TIMI score.