ASH Clinical News December 2015 | Page 95

FEATURE events occurred when the filters remained in place for long periods, even though they are intended for short-term placement, prompting the FDA to encourage physicians to remove the filters as soon as the suspected risk for PE had subsided. So, there are a myriad of complications, and we haven’t even talked about the data supporting the efficacy of these filters yet, which I believe is very weak. Clearly, the risks outweigh the benefits. Dr. Stavas: There is a lot of controversy regarding the use of IVC filters, but the number of IVC filters used in clinical practice has skyrocketed over the last 10 years.3 Evidently, clinicians are still comfortable with placing IVC filters despite the controversy. It’s impossible to know what clinicians are thinking, but discrepancies between the two major sets of guidelines – from the American College of Chest Physicians (AACP) and the Society of Interventional Radiology (SIR) – dictating their use may be ۙH