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Congenital Heart Surgeons' Society Center for Research and Quality
Enrollment Numbers

Study Enrollment
Thank you to all CHSS members and site coordinators. We could not do it without your hard work and contribution. The following chart includes actively enrolling cohorts and inactive cohorts that are not enrolling new patients but are actively followed annually by collecting data for the enrolled participants from CHSS institutions.

Enrollment numbers as of January 4, 2023:
Enrollment Numbers
*EA - Enrollment has begun at The Hospital for Sick Children only but is delayed until conversion to a registry is complete.
*LVOTO - This is a non-enrolling cohort that is temporarily paused to further enrollment, however the study is actively followed.
*PC - This is a non-enrolling cohort that is closed to further enrollment, however the study is actively followed.