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Transradial Neuroendovascular Procedures in Adolescents: Initial Single-Center Experience.

H Alshehri1, A A Dmytriw1, K Bhatia2

  • 1From the Divisions of Neuroradiology and Image-Guided Therapy (H.A., A.A.D., S.B., V.R., N.S., P.M.), Department of Diagnostic Imaging, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada.

AJNR. American Journal of Neuroradiology
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Summary

Transradial neuroangiography is safe and feasible in adolescents, mirroring adult outcomes. This study supports extending the technique to younger pediatric patients after further evaluation.

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Area of Science:

  • Pediatric neurointerventional radiology
  • Vascular access techniques

Background:

  • Transradial angiography (TRA) safety and feasibility are established in adults.
  • Limited data exists on TRA in pediatric populations, particularly for neuroangiography.

Purpose of the Study:

  • To assess the feasibility and safety of transradial access for neuroangiography in adolescents.
  • To compare transradial neuroangiography with transfemoral neuroangiography in this age group.

Main Methods:

  • Retrospective case-control study comparing 20 adolescents (10-18 years) undergoing transradial neuroangiography with 20 matched controls undergoing transfemoral procedures.
  • Data collected included procedure type, conversion rates, fluoroscopy time, radiation dose, complications, and readmissions.
  • Statistical analysis used t-tests or nonparametric equivalents, with P < .05 considered significant.

Main Results:

  • No significant differences in procedural success (0% conversion rate), fluoroscopy time, or radiation dose between transradial and transfemoral groups.
  • Two self-limiting complications occurred in the transradial group; no major hemorrhages, interventions, or readmissions in either group.

Conclusions:

  • Transradial angiography appears safe and feasible for adolescent neuroangiography.
  • Findings suggest the benefits of TRA in adults may extend to adolescents.
  • Further prospective studies in larger cohorts are warranted before application in younger children.