<p>This study evaluated the feasibility and efficacy of the Trans-Radial telescoping catheter technique using a Distal Access catheter and Simmons catheter (RDAS) compared to the traditional Catheter Exchange Technique (CET) in neurointerventional procedures via the transradial approach (TRA). A retrospective analysis was performed for 149 consecutive patients undergoing neurointerventions via TRA in 2 dedicated neurointerventional centers, using either RDAS (<i>n</i> = 124) or CET (<i>n</i> = 25). Key endpoints included technical success rate, procedural time, and fluoroscopy time. RDAS demonstrated a 100% technical success rate, compared to 88% in the CET group. Mean procedural time taken (RDAS 13.4&#xa0;min [range = 6.1–23.7] versus CET 19.3&#xa0;min [range = 8.7–45.7]; <i>p</i> = 0.003) and fluoroscopy time length (RDAS 8.1&#xa0;min [range = 3.9–16.5] versus CET 10.6&#xa0;min [range = 6.2–23.6]; <i>p</i> = 0.024) were significantly lower in RDAS than in CET. RDAS consistently allowed placement of the guiding catheter into the petrous ICA or beyond in 94.4% of cases. No procedure-related complications were observed. Compared to CET, RDAS technique allows improved efficacy and time-efficiency in neurointerventional procedures via TRA.</p><p><?noindent??><b>Clinical trial number</b> Not applicable.</p>

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The application of Trans-Radial telescoping catheter technique with a Distal Access catheter and Simmons catheter (RDAS) in neurointerventional procedures: A dual-center experience

  • Deyuan Zhu,
  • Chuanchuan Wang,
  • Rongguo Hu,
  • Jihu Zhao,
  • Wei Cao,
  • Dayong Qi,
  • Kangqing Zhang,
  • Tonghui Song,
  • Jianmin Liu,
  • Sizhao Tang,
  • Yibin Fang

摘要

This study evaluated the feasibility and efficacy of the Trans-Radial telescoping catheter technique using a Distal Access catheter and Simmons catheter (RDAS) compared to the traditional Catheter Exchange Technique (CET) in neurointerventional procedures via the transradial approach (TRA). A retrospective analysis was performed for 149 consecutive patients undergoing neurointerventions via TRA in 2 dedicated neurointerventional centers, using either RDAS (n = 124) or CET (n = 25). Key endpoints included technical success rate, procedural time, and fluoroscopy time. RDAS demonstrated a 100% technical success rate, compared to 88% in the CET group. Mean procedural time taken (RDAS 13.4 min [range = 6.1–23.7] versus CET 19.3 min [range = 8.7–45.7]; p = 0.003) and fluoroscopy time length (RDAS 8.1 min [range = 3.9–16.5] versus CET 10.6 min [range = 6.2–23.6]; p = 0.024) were significantly lower in RDAS than in CET. RDAS consistently allowed placement of the guiding catheter into the petrous ICA or beyond in 94.4% of cases. No procedure-related complications were observed. Compared to CET, RDAS technique allows improved efficacy and time-efficiency in neurointerventional procedures via TRA.

Clinical trial number Not applicable.