[National Survey on Procedure Dose of Endovascular Treatment for Lower Extremity Artery Disease].

Purpose: The objective of this study is to elucidate the current status of procedural radiation doses for endovascular treatment (EVT) of lower extremity artery disease (LEAD) in Japan and to validate the diagnostic reference level (DRL) quantity.

Methods: Survey requests were mailed to 493 facilities across Japan. The study targeted cases of EVT for LEAD performed between April 1, 2020, and March 31, 2022, with a maximum of 10 cases collected per facility.