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SNIS 20th annual meeting electronic poster abstracts
E-029 Thrombectomy in stroke patients with low ASPECTS: is TICI 2C/3 superior to TICI 2B?
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  1. S Samir Elawady1,
  2. M Mahdi Sowlat1,
  3. I Maier2,
  4. P Jabbour3,
  5. J Kim4,
  6. S Quintero Wolfe5,
  7. A Rai6,
  8. RM Starke7,
  9. M Psychogios8,
  10. E Samaniego9,
  11. A Arthur10,
  12. S Yoshimura11,
  13. JA Grossberg12,
  14. A Alawieh12,
  15. J Mascitelli13,
  16. I Fragata14,
  17. H Cuellar15,
  18. A Polifka16,
  19. J Osbun17,
  20. R Crosa18,
  21. C Matouk19,
  22. MS Park20,
  23. MR Levitt21,
  24. W Brinjikji22,
  25. T Dumont23,
  26. R Williamson24,
  27. P Navia25,
  28. AM Spiotta1,
  29. S Al Kasab1
  1. 1Division of Neuroendovascular Surgery, Department of Neurosurgery, Medical University of South Carolina, Charleston, SC, USA
  2. 2Universitätsmedizin Göttingen, Göttingen, Germany
  3. 3Thomas Jefferson University, Philadelphia, PA, USA
  4. 4Chonnam National University Hospital, Gwangju, Korea, Republic Of
  5. 5Wake Forest Baptist Health, Winston-Salem, NC, USA
  6. 6West Virginia University, Morgantown, WV, USA
  7. 7University of Miami Health System, Miami, FL, USA
  8. 8Universitätsspital Basel, Basel, Switzerland
  9. 9University of Iowa, Iowa City, IA, USA
  10. 10University of Tennessee Health Science Center/Semmes Murphey Foundation, Memphis, TN, USA
  11. 11Hyogo College of Medicine, Hyogo, Japan
  12. 12Emory University, Atlanta, GA, USA
  13. 13University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
  14. 14Centro Hospitalar Universitário de Lisboa Central, Lisboa, Portugal
  15. 15LSU Health Shreveport, Shreveport, LA, USA
  16. 16University of Florida, Gainesville, FL, USA
  17. 17Washington University in St. Louis, St. Louis, MO, USA
  18. 18Médica Uruguaya, Departamento de Montevideo, Uruguay
  19. 19Yale University, New Haven, CT, USA
  20. 20University of Virginia, Charlottesville, VA, USA
  21. 21University of Washington, Seattle, WA, USA
  22. 22Mayo Clinic, Rochester, MN, USA
  23. 23University of Arizona, Tucson, AZ, USA
  24. 24Alleghany Hospital, Sparta, NC, USA
  25. 25Hospital Universitario La Paz, Madrid, Spain

Abstract

Introduction/Purpose the procedural success of mechanical thrombectomy (MT) has been traditionally defined by a final thrombolysis in cerebral infarction (TICI) score of 2B/3. However, several studies have shown that patients with a TICI score of 2C and 3 have a significantly better outcome than those with a TICI score of 2B. This retrospective cohort study aimed to compare the outcomes of patients with low Alberta Stroke Program Early Computed Tomography Score (ASPECTS) (2-5) who achieved TICI 2B versus those who achieved TICI 2C/3 after MT in the early and late time window periods.

Materials and Methods This study utilized data from the Stroke Thrombectomy and Aneurysm Registry (STAR), which combined databases from 32 thrombectomy-capable stroke centers between 2013 and 2023. The study included only patients with low ASPECTS who achieved TICI 2B, 2C, or 3 after MT for internal carotid artery (ICA) or middle cerebral artery (M1) stroke.

Results Of the 10,081 patients who underwent MT, 309 met the inclusion criteria. Of these, 138 (44.6%) achieved TICI 2B, and 171 (55.4%) achieved TICI 2C/3. There were no significant differences in baseline characteristics between the two groups. The 90-day favorable outcome (Modified Rankin Score [mRS]: 0-3) was significantly better in the TICI 2C/3 group than in the TICI 2B group (42.0% versus 25.4%; P=0.047). After adjusting for Age, NIHSS, intravenous tPA administration, total attempts, distal embolization, successful recanalization, symptoms onset to groin puncture, and ICA involvement, binary regression analysis revealed that achieving TICI 2C/3 was significantly associated with higher odds of a favorable 90-day outcome (OR 3.30; 95% CI 1.24-9.51; P=0.02).

Conclusion In patients with low ASPECTS, achieving a TICI 2C/3 score after MT is associated with a more favorable 90-day outcome. These findings suggest that TICI 2C/3 is a better target for MT than TICI 2B in patients with low ASPECTS.

Abstract E-029 Figure 1
Abstract E-029 Figure 1

Disclosures S. Samir Elawady: None. M. Mahdi Sowlat: None. I. Maier: None. P. Jabbour: None. J. Kim: None. S. Quintero Wolfe: None. A. Rai: None. R. M Starke: None. M. Psychogios: None. E. Samaniego: None. A. Arthur: None. S. Yoshimura: None. J. A. Grossberg: None. A. Alawieh: None. J. Mascitelli: None. I. Fragata: None. H. Cuellar: None. A. Polifka: None. J. Osbun: None. R. Crosa: None. C. Matouk: None. M. S. Park: None. M. R. Levitt: None. W. Brinjikji: None. T. Dumont: None. R. Williamson Jr: None. P. Navia: None. A. M Spiotta: None. S. Al Kasab: None.

https://doi.org/10.1136/jnis-2023-SNIS.129

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