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Introduction/Purpose Post-graduate training for those pursuing Neurointerventional Surgery (NIS) has evolved considerably in recent years, particularly since (i) the introduction of a fellowship match process and (ii) the establishment of a defined pathway for trainees graduating from an Integrated Interventional Radiology/Diagnostic Radiology (IR/DR) Residency program. There is a need to formally assess the current profile and technical preparation of trainees entering NIS from IR/DR backgrounds. This study sets out to quantify the current interest in NIS and opportunities for clinical exposure to NIS among IR/DR programs.Materials and Methods Using information publicly available on the internet multiple reviewers identified all current ACGME-accredited IR/DR programs and their current program directors to invite for study participation. A voluntary survey was distributed by email nationwide to a total of 85 identified IR/DR programs with questions assessing domains of (i) rotation availability in NIS for residents, (ii) interest expressed by residents to pursue fellowship training in NIS, and (iii) graduate trajectories in NIS, with or without fellowship. Data collection remains ongoing.Results To date, preliminary results have been received from 19 programs in 11 states. The vast majority of IR/DR programs offer at least one formal NIS clinical rotation, with only 5% (1/19) offering none. Among IR/DR programs offering NIS clinical rotations, 33% (6/18) indicated the rotation is not routine but can be available if requested or as an elective. The extent of IR/DR trainee exposure to NIS differs across institutions and can range from 4 weeks to 6 months of clinical rotations.IR/DR resident interest in NIS is also variable. Based on data from responding program directors: 42% (8/19) of IR/DR programs have trainees who have expressed interest in NIS; 26% (5/19) of IR/DR programs have graduates who have pursued or plan to pursue NIS fellowship; and 10.5% (2/19) of IR/DR programs have graduates who did not pursue NIS fellowship but perform stroke intervention in IR practice.Conclusion Integrated IR/DR residency programs offer a procedurally skilled pipeline for NIS. Trainee interest in and exposure to NIS remains variable and yet to be defined. Continued educational inquiry is needed to canvas the changing landscape of the IR/DR pathway to NIS. Additional survey outreach and higher participation is anticipated in advance of poster presentation of this ongoing study. Future research would also benefit from quantifying trainee interest and preparation for NIS from other common NIS trainee pathways, in the U.S. and elsewhere.Disclosures A. Mohamed: None.