Start, Stop, Continue? The Benefit of Overlapping Intravenous Thrombolysis and Mechanical Thrombectomy: A Matched Case-control Analysis from the German Stroke Registry

GSR-ET Investigators

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Objective: Here we compare the procedural and clinical outcome of patients undergoing thrombectomy with running thrombolysis to matched controls with completed intravenous therapy and an only marginally overlapping activity. Methods: Patients from 25 sites in Germany were included, who presented with an acute ischemic stroke. Patients’ baseline characteristics (including ASPECTS, NIHSS and mRS), grade of reperfusion, and functional outcome 24 h and at day 90 after intervention were extracted from the German Stroke Registry (n = 2566). In a case-control design we stepwise matched the groups due to age, sex and time to groin puncture and time to flow restoration. Results: In the initial cohort (overlap group n = 864, control group n = 1702) reperfusion status (median TICI in overlap group vs. control group: 3 vs. 2b), NIHSS after 24 h, early neurological improvement parameters, mRS at 24 h and at day 90 were significantly better in the overlap group (p < 0.001) with a similar risk of bleeding (2.9% vs. 2.4%) and death (18% vs. 22%). After adjustment mRS at day 90 still showed a trend for lower disability scores in the overlap group (3 IQR 1-5 vs. 3 IQR 1-6, p = 0.09). While comparable bleeding risk could be maintained (4% in both groups), there were significantly more deaths in the control group (18% vs. 30%, p = 0.006). Conclusion: The presented results support the approach of continuing and completing a simultaneous administration of intravenous thrombolysis during mechanical thrombectomy procedures.

Original languageEnglish
Pages (from-to)187-197
Number of pages11
JournalClinical Neuroradiology
Volume33
Issue number1
DOIs
StatePublished - Mar 2023
Externally publishedYes

Keywords

  • Acute ischemic stroke
  • Alteplase
  • Anterior circulation
  • Brain infarction
  • Brain revascularization

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