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E-163 Long-term experience using the save technique for treatment of intracranial large vessel occlusions
  1. M Psychogios1,
  2. S Henkel1,
  3. A Riabikin2,
  4. C Riedel3,
  5. D Behme1,
  6. I Tsogkas1,
  7. A Hesse1,
  8. N Abdullayev4,
  9. O Jansen3,
  10. M Wiesmann2,
  11. A Mpotsaris2,
  12. V Maus1
  1. 1Neuroradiology, University Medical Center Goettingen, Goettingen, Germany
  2. 2Neuroradiology, University Hospital Aachen, Aachen, Germany
  3. 3Neuroradiology, University Hospital Kiel, Kiel, Germany
  4. 4Neuroradiology, University Hospital Cologne, Cologne, Germany


Background The Stent Retriever Assisted Vacuum-locked Extraction (SAVE) technique has been introduced as an effective embolectomy method in stroke patients suffering from intracranial large vessel occlusion (LVO). We present our multicenter, long-term experience with SAVE.

Methods Retrospective, core-team analysis of 200 patients undergoing embolectomy using the SAVE technique due to intracranial LVO at 4 German centers. Primary endpoints were first-pass and overall complete/near-complete reperfusion, defined as a modified Thrombolysis in Cerebral Infarction (mTICI) score of 2 c and 3. Secondary endpoints were number of passes, time from groin puncture to reperfusion, embolization to new territories (ENT), and post-interventional symptomatic intracranial hemorrhage (sICH).

Results Median age was 78 years (IQR 68–85). Median NIHSS at admission was 16 (IQR 12–20). Occlusions sites were: ICA-T in 39/200 (19.5%), M1 in 126/200 (63%), M2 in 30/200 (15%), and others in 5/200 (2.5%) cases. The primary endpoints were documented in 114/200 (57% first-pass mTICI2c or 3) and 154/200 (77% overall mTICI2c or 3) patients, respectively. The overall median time from groin puncture to reperfusion was 34 min (IQR 25–52) with a median of 1 (IQR 1–2) attempts. ENTs were observed in 3 patients (1.5%) and the rate of sICH was 2.6%. The rate of successful reperfusion (mTICI ≥2 b) on final angiograms was 95%.

Conclusion SAVE is an effective, fast and secure embolectomy method. First-line use of SAVE leads to high-rates of complete/near-complete reperfusion.

Disclosures M. Psychogios: 3; C; Stryker, Phenox, Acandis, Penumbra, Siemens. S. Henkel: None. A. Riabikin: None. C. Riedel: None. D. Behme: 3; C; Stryker, Phenox, Penumbra. I. Tsogkas: None. A. Hesse: None. N. Abdullayev: None. O. Jansen: None. M. Wiesmann: 1; C; Abbott. 3; C; Stryker, Bracco, Medtronic, Siemens. A. Mpotsaris: 2; C; Neuravi, Penumbra, Sequent Medical. V. Maus: None.

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