Neuroimaging
Radiation Exposure in Acute Endovascular Stroke Treatment: A Focus on Mechanical Thrombectomy
By Sabine Sari, Marlitt Anna Dorzok-Bieker, Eva-Maria Hammerschmidt and 1 others.
Abstract
Objectives
Systematically evaluating radiation exposure during mechanical thrombectomy (MT) for acute endovascular stroke treatment at a high-volume centre to generate evidence to evaluate diagnostic reference levels (DRLs) and to support strategies for radiation dose optimization.
Methods
Demographic (age, sex, body mass index), procedural (technical approach, number of passes), dosimetric (dose–area product [DAP], fluoroscopy time, number of acquisition series), and anatomical parameters were retrospectively analyzed in a cohort of 390 patients undergoing mechanical thrombectomy on a biplane flat-panel detector system using a standardized workflow and a dedicated low-dose protocol. Nonparametric statistical methods as well as univariate and multivariate regression were used, and p-values <0.05 were considered statistically significant.