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Updated: Jan 2, 2026

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Published on: June 12, 2021
Access site complications following Impella-supported high-risk percutaneous coronary interventions
Laura Johannsen1, Amir A Mahabadi1, Matthias Totzeck1
1Department of Cardiology and Vascular Medicine, West German Heart and Vascular Center Essen, University Hospital Essen, Medical Faculty, University, Duisburg-Essen, Germany.
Insights
Vascular access complications were low in high-risk percutaneous coronary interventions (PCI) using Impella devices. Peripheral arterial disease increases the risk of major vascular complications in these patients.
Area of Science:
- Cardiology
- Interventional Cardiology
- Vascular Surgery
Background:
- Mechanical circulatory support (MCS) devices are crucial for hemodynamic stability in high-risk percutaneous coronary interventions (PCI).
- Vascular access site complications, especially with large-bore sheaths, can negatively impact outcomes.
- Predicting and minimizing these complications is essential for patient safety.
Purpose of the Study:
- To determine the incidence and predictors of vascular complications in patients undergoing high-risk PCI with Impella device support.
- To evaluate the safety and efficacy of a standardized protocol for vascular access in these procedures.
Main Methods:
- Retrospective analysis of 61 patients undergoing high-risk PCI with Impella implantation (January 2016 - August 2018).
- Vascular complications were assessed using the Valve Academic Research Consortium-2 criteria.
- Angiographic and fluoroscopic guidance was used for all vascular access procedures.
Main Results:
- A low rate of major vascular complications (8%) was observed.
- All major complications were managed conservatively, with minimal need for surgical intervention or blood transfusion.
- Peripheral arterial disease of the lower extremities was identified as a significant predictor of major vascular complications.
Conclusions:
- The use of Impella devices with a standardized, image-guided vascular access protocol is associated with a low incidence of vascular complications.
- Identifying patients with peripheral arterial disease is important for risk stratification and management.
- This approach enhances safety in high-risk PCI procedures.
Abstract:
Mechanical circulatory support (MCS) devices are increasingly used to provide hemodynamic stability for patients with severe coronary artery disease, comorbidities, and/or impaired hemodynamics during high-risk percutaneous coronary interventions (PCI). Vascular access site complications, particularly those due to the use of large-bore sheaths, may limit outcomes in these patients. The aim of this study was to investigate the incidence and predictors of vascular complications in protected high-risk PCIs. Therefore, we included patients undergoing high-risk PCI with an Impella device from January 2016 to August 2018. Vascular complications were graded according to 'Valve Academic Research Consortium-2', a definition routinely used in transcatheter valve implantation procedures. In total, 61 patients (mean age 72 ± 11 years, 79% male, SYNTAX score 33 ± 7) were included, and angiographic- and fluoroscopic-guided vascular access was used for Impella implantation in all patients. Major vascular complications occurred in 5 male patients (8%). All major vascular complications were treated conservatively without the need for surgical intervention, and only one patient received a transfusion of three erythrocyte concentrates. Regression analysis revealed that patients with peripheral arterial disease of the lower extremities are at higher risk of major vascular complications. In conclusion, the utilization of Impella using a standardized protocol for angiographic- and fluoroscopic-guided vascular access was associated with a low rate of vascular complications.
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