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  • E-026 Long-term clinical outcomes of arteriovenous fistula treated with the penumbra smart coil system: a subset analysis of the prospective, multicenter smart registry

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SNIS 20th annual meeting electronic poster abstracts
E-026 Long-term clinical outcomes of arteriovenous fistula treated with the penumbra smart coil system: a subset analysis of the prospective, multicenter smart registry
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  1. A Abdelsalam1,
  2. J Burks1,
  3. T Eatz1,
  4. I Ramsay1,
  5. H Fountain1,
  6. M Park2,
  7. R Bellon3,
  8. C Schirmer4,
  9. A Spiotta5,
  10. R Starke1
  1. 1Neurological surgery, University of Miami Miller School of Medicine, Miami, FL, USA
  2. 2Neurological surgery and Neuroradiology, University of Virginia, Charlottesville, VA, USA
  3. 3Radiology, Swedish Medical Center, Englewood, CO, USA
  4. 4Neurological surgery, Geisinger and Geisinger Commonwealth School of Medicine, Wilkes-Barre, PA, USA
  5. 5Neurological surgery, Medical University of South Carolina, Charleston, SC, USA

Abstract

Background Endovascular embolization techniques are generally the primary therapeutic modality for the treatment of arteriovenous fistula (AVF). This subset analysis aimed to assess the prospective long-term clinical outcomes of AVF treated with the SMART COIL System.

Methods Forty-one patients from the SMART registry (a prospective, multicenter, single-arm, postmarket registry) had AVF treated with endovascular coiling and were followed up to 12 ± 6 months after the procedure.

Results No patients (0/41) had a procedural device-related serious adverse event (SAE). Re-access with a guidewire due to catheter kickout was not required in 85.4% (35/41) of patients. Complete or adequate occlusion immediately after the procedure was achieved in 87.8% (36/41) of patients. The periprocedural SAE rate was 2.4% (1/41), and no periprocedural deaths occurred (0/41). Retreatment through follow-up occurred in 3.4% (1/29) of patients. At one year, the lesion occlusion was better or stable in 93.3% (28/30) of patients. The SAE rate after 24 hours through 365 days after the procedure was 26.8% (11/41). The one-year all-cause mortality rate was 2.4% (1/41), and 90.9% (20/22) of patients had a modified Rankin Scale score of 0 to 2 at one-year follow-up.

Conclusion Coiling of arteriovenous fistula with the SMART COIL System was safe and effective at one year.

View this table:
Abstract E-026 Table 1

Clinical outcomes at (12 ± 6 months) follow-up of patients with arteriovenous fistula treated with the Penumbra SMART COIL System. Data are reported as percentage (n/N)

Disclosures A. Abdelsalam: None. J. Burks: None. T. Eatz: None. I. Ramsay: None. H. Fountain: None. M. Park: None. R. Bellon: None. C. Schirmer: 1; C; Penumbra. A. Spiotta: 1; C; Penumbra. 2; C; penumbra. R. Starke: 2; C; penumbra.

  • Arteriovenous fistula
  • carotid-cavernous sinus fistula
  • coils
  • embolization
  • therapeutic
  • endovascular procedures
  • treatment outcome.

https://doi.org/10.1136/jnis-2023-SNIS.126

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