Follows enrolled patients through the life of the trial, from screening and index procedure through all protocol-required follow-up visits (e.g., 30-day, 6-month, annual), coordinating visit windows, imaging, and assessments to maximize retention and protocol compliance. Prepares and submits reportable event reports (e.g., adverse events, serious adverse events, protocol deviations) to sponsors, IRBs, and regulatory agencies in accordance with the study protocol and established policies, procedures, and regulations.