Table 1

Demographic, clinical, and procedural data of 24 patients with tandem occlusions of the anterior circulation

  
Demographic characteristics
 GenderMen: 20 (83%), women: 4 (17%)
 AgeMean 66 years (range 51–77)
Presentation
 NIHSSMean 20.4, median 18 (range 14–28)
 ASPECTSMean 9, median 9 (range 7–10)
Tandem occlusions
 Lt ICA–Lt MCA trunk11 (46%)
 Rt ICA–Rt MCA trunk6 (25%)
 Lt ICT–Lt ICA terminus4 (17%)
 Rt ICA–Rt ICA terminus2 (8%)
 ICA–MCA trunk–ACA1 (4%)
 ASITN/SIR0–2 (poor): 24
Endovascular procedure
 Unprotected pre-angioplasty24 (100%)
 Unprotected ICA stenting16 (67%)
 Protected ICA stenting8 (33%)
 Conservative post-dilation14 (58%)
 Extracranial ICA recanalization24 (100%)
 Stent-thrombectomy of distal occlusion(s)24 patients/25 occlusions (100%)
Outcomes
 Time to therapyMean 3.3 hours (range 2–5.2)
 Time to recanalizationMean 51 min (range 38–69)
 Complete recanalization/complete reperfusion (TIMI 3/TICI 2b)19 (79%)
 Complete recanalization/partial reperfusion (TIMI 3/TICI 2a)3 (13%)
 Partial recanalization/partial reperfusion (TIMI 2/TICI 2a)2 (8%)
 Procedural complications0
 Procedure-related mortality0
 Mortality (all cause, within 3 months)2 (8%)
 3-month mRS (17/22 living patients, 71%)0–2: 13 (76%)
3: 4 (24%)
 6-month mRS (20/22 living patients)0–2: 14 (70%)
3: 6 (30%)
  • ACA, anterior cerebral artery; ASITN/SIR, American Society of Interventional and Therapeutic Neuroradiology/Society of Interventional Radiology collateral flow grading system; ASPECTS, Alberta Stroke Program Early CT Score; ICA, internal carotid artery; Lt, left; MCA, middle cerebral artery; mRS, modified Rankin Scale; NIHSS, National Institutes of Health Stroke Score; Rt, right; TICI, Thrombolysis in Cerebral Infarction grade; TIMI, Thrombolysis in Myocardial Infarction grade.