Percutaneous vascular closure technique using parallel closure in extracorporeal membrane oxygenation decannulation: technical note and case series

Background: Achieving safe and effective closure of large-bore femoral arterial access after venoarterial extracorporeal membrane oxygenation (VA-ECMO) decannulation remains challenging. Percutaneous closure with suture-mediated devices is an established alternative to surgical repair for VA-ECMO decannulation. However, the optimal suture configuration is not well defined, and conventional cross-suture placement may have limitations. This study describes a parallel percutaneous closure technique with the potential to improve outcomes and evaluates its initial feasibility and safety. Methods: This prospective case series included 30 adult patients who underwent bedside decannulation from percutaneous femoral VA-ECMO between March 2024 and March 2025. The closure technique involved deploying two Perclose ProGlide devices (Abbott Vascular) in a parallel configuration. The primary endpoints of technical success and vascular complications were assessed clinically and by duplex Doppler ultrasound 24 hours post-procedure. Results: Technical success was achieved in all 30 patients (100%) without surgical conversion or adjunctive vascular intervention. Duplex ultrasound confirmed normal arterial flow in 23 patients (76.7%). Vascular complications included arterial thrombosis (16.7%), dissection (3.3%), and hematoma (3.3%). No patient required reintervention or developed limb ischemia within 24 hours. Conclusions: This preliminary case series suggests that the parallel percutaneous closure technique is feasible and potentially safe for large-bore femoral decannulation following VA-ECMO. Its bedside application under local anesthesia and low rate of early complications support its utility in critical care. Further studies comparing closure configurations and evaluating long-term outcomes are warranted.