Table 4.

Summary of present study and other studies of tandem stroke endovascular treatment.

Study	Methods	Sample	Treatment strategy	Recanalisation	sICH	mRS 0–2 at 90 days	Mortality at 90 days
Rangel-Castilla et al.12	Retrospective single-centre	45	Anterograde/retrograde	87% TICI ≥ 2b	4.4%	73.3%	11%a
Lockau et al.13	Retrospective single-centre	37	Anterograde/retrograde	73% TICI ≥ 2b	10.8%b	45.9%	18.9%
Lescher et al.20	Retrospective single-centre	39	Anterograde/retrograde	64% TICI ≥ 2b	10%	36%	10%
Heck and Brown21	Retrospective single-centre	23	Anterograde	91% TICI ≥ 2b	22%	52%	39%
Stampf et al.22	Retrospective single-centre	24	Anterograde/retrograde	62.5% TICI ≥ 2b	16.6%	29.2%	16.6%
Cohen et al.23	Retrospective single-centre	24	Anterograde	79% TIMI 3, TICI ≥ 2b	0	76%	8%
Maurer et al.24	Retrospective single-centre	43	Anterograde	76.7% TICI ≥ 2b	11.6%b	32.6%	32.6%c
Our study	Retrospective multi-centre	60	Anterograde/retrograde	78.3% mTICI ≥ 2b	11.7%	50%	20%

^aMortality in hospital.

^bSymptomatic parenchymal haemorrhage.

^cMortality at discharge.

TIMI: thrombolysis in myocardial infarction; TICI: thrombolysis in cerebral ischaemia.