Acute intracranial stenting in acute ischemic stroke with underlying atherosclerosis: A two-center retrospective

Sofia Bettencourt1, Muhammed A Essibayi2, Mariana Baptista1,3

  • 1Neuroradiology Department, Centro Hospitalar de Lisboa Central, Lisbon, Portugal.

Insights

Acute intracranial stenting after mechanical thrombectomy is safe and effective for acute stroke patients with intracranial atherosclerotic disease (ICAD). Younger age predicts better outcomes, though ICAD remains associated with high mortality and poor functional results.

Area of Science:

  • Neurology
  • Interventional Neuroradiology
  • Vascular Neurology

Background:

  • Successful reperfusion in large vessel occlusion stroke predicts favorable outcomes.
  • Intracranial atherosclerotic disease (ICAD) increases the risk of reocclusion after mechanical thrombectomy (MT), often necessitating rescue stenting.

Purpose of the Study:

  • To investigate the safety, efficacy, and outcomes of acute intracranial stenting in acute stroke patients with underlying ICAD.
  • To evaluate the role of rescue stenting in patients with ICAD undergoing MT.

Main Methods:

  • A prospective review of databases from two centers (2012-2021) included adult patients undergoing ICAD-related acute intracranial stenting post-MT.
  • Data collected included clinical and procedural details, technical success (Modified Thrombolysis in Cerebral Infarction score), complications, restenosis, and 3-month modified Rankin Scale (mRS) scores.

Main Results:

  • Ninety-six patients with acute stroke and ICAD underwent stenting post-MT.
  • Successful reperfusion (TICI ≥ 2b) was achieved in 89.6% of patients.
  • Favorable functional outcome (mRS < 3) was observed in 37.6% of patients; older age was a negative predictor (OR: 0.477, p=0.046).
  • Symptomatic intracranial hemorrhage occurred in 9.5%, and mortality was 22.4%.

Conclusions:

  • Acute intracranial stenting is a safe and effective rescue treatment post-MT for acute stroke patients with ICAD.
  • Younger age is an independent predictor of favorable functional outcomes.
  • Despite treatment, ICAD remains associated with significant mortality and poor functional outcomes.