Abstract: Objective To assess the clinical safety and effectiveness of Boomerang closure device (Boomerang Percutaneous Femoral Access Management System) applied to patients undergoing coronary angiography (CAG) and/or percutaneous coronary intervention (PCI).Methods206 patients undergoing CAG and/or PCI were randomly divided into the heparin group and low molecular heparin (LWMH) group. The hemostasia success rate, hemostasia time, manual pressure time, device dwell time, complication rate and time to ambulation with each other of two groups were compared.ResultsThe heparin group and LWMH group both had high hemostasia success rate (98.06% and 99.03%), there wasn't significant difference between two groups. There was one patient with hematoma formation in the heparin group and LWMH group respectively. There was no significant difference between two groups in hemostasia time, manual pressure time, the device dwell time and time to ambulation.ConclusionAfter CAG and/or PCI, administered heparin and low molecular heparin is no effect on Boomerang closure device, and Boomerang closure device has a high hemostasia success rate.

Key words: arterial closure devices, angioplasty, coronary angiography