Purpose To examine the risk of femoral access site complications in patients undergoing carotid stent placement who were treated with a closure device compared with patients who were not treated with a closure device. Materials and Methods A national, multihospital patient database, the Premier Perspective database, was used to identify patients hospitalized for carotid stent placement from 2006-2011. To reduce potential selection bias, a propensity score was generated for each patient using relevant clinical variables. Propensity score adjustment via 1:1 matching was performed on patients who did and did not receive a closure device. Primary outcomes were minor femoral access site complications and major complications requiring procedural intervention. Secondary outcomes included in-hospital mortality, stroke, and blood transfusion. Results Among 12,287 patients who underwent carotid stent placement at 217 hospitals, 6,398 (52%) received a closure device on the day of the procedure. After propensity score matching, patients who received a closure device had a lower likelihood of minor access site complications (4.2% vs 5.4%; odds ratio = 0.77; 95% confidence interval, 0.55-0.93; P =.0071) compared with patients who did not receive a closure device; however, this difference was small and likely not clinically relevant. Both groups had a similar risk of major access site complications (P =.32), in-hospital mortality (P =.0520), and stroke (P =.31). Conclusions Use of a closure device was not associated with a substantially reduced risk of major adverse events after carotid stent placement and was associated with only a small improvement in minor access site complications.
ASJC Scopus subject areas
- Radiology Nuclear Medicine and imaging
- Cardiology and Cardiovascular Medicine