Rationale And Objectives: To characterize practices and quantify variation in longitudinal follow-up approaches among interventional radiologists (IRs) after liver transarterial locoregional therapy (LRT) in contemporary Interventional Oncology practice.
Materials And Methods: In November/December 2014, Society of Interventional Radiology members were invited to participate in a survey regarding clinical and imaging follow-up of liver cancer patients treated with transarterial LRT. On survey closure, responses were compiled and analyzed.
Results: The 30-item survey response rate was 11% (361 of 3290). Respondents were predominantly American IRs (311 of 355, 88%) who perform 1-5 LRTs monthly (196 of 354, 55%). Most (305 of 336, 91%) IRs reported longitudinal follow-up, with patient encounters within 1-month (73%, 211 of 290) postprocedure and every 3 months (68%, 196 of 287) thereafter and involvement in imaging (up to 80%, 235 of 290) ordering and evaluation. Preferred timing of first follow-up imaging (1 month vs. 3 months) and response criteria used (mRECIST favored) varied.
Conclusions: Although IRs are actively involved in clinical and imaging follow-up of patients with liver malignancies treated with transarterial LRTs, there are differences in imaging frequency and response assessment. These data may serve as a starting point for standardization of LRT follow-up.
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