Treatment of Splenic Artery Aneurysms with Coils and N-Butyl 2-Cyanoacrylate (NBCA) via a Novel Polytetrafluoroethylene (PTFE)-Coated Microcatheter: Case Studies of 3 Patients

A recent case series has highlighted the utility and outcomes of a novel approach to the treatment of splenic artery aneurysms (SAAs) using a combination of coils and N-butyl cyanoacrylate (NBCA) injection, delivered through a PTFE-coated Carry Leon NSX microcatheter.

The PTFE coating on the Carry Leon NSX microcatheter is designed to improve the delivery of embolic agents like NBCA, reducing catheter friction, sticking, and polymerization-related catheter occlusion during procedures.

Improved Safety and Efficacy

Reduced Adhesion and Catheter Sticking: The PTFE coating provides a lubricious inner and outer surface, significantly decreasing the risk of catheter tip adhesion to the vessel wall or the polymerized NBCA glue.
Improved Deliverability and Precision: The reduced friction allows for smoother navigation through tortuous anatomies, improving access to the aneurysm site and contributing to more precise NBCA delivery.
Lower Risk of Catheter Occlusion: PTFE coating minimizes the risk of premature polymerization of NBCA inside the catheter lumen and tip, reducing the chance of catheter blockage and procedure interruption.
Clinical Outcomes and Safety: Reports and studies involving PTFE-coated microcatheters show a favorable safety profile with fewer complications related to catheter entrapment or embolic misplacement.

Successful Outcomes

Each patient underwent successful embolization via a triple coaxial system, resulting in complete aneurysm occlusion with minimal complications such as mild splenic infarction or transient inflammatory responses. The aneurysm measured 26 × 21 × 22 mm, with an inflow vessel of approximately 8.4 mm and a single outflow vessel of 9.0 mm.

The study was approved by the ethics committee, and informed consent was obtained from all patients. Each patient presented with a SAA that was either incidentally discovered or demonstrated significant growth over time.

Focus on the Carry Leon NSX Microcatheter

This case series focuses on the utility and outcomes of the combination of coils and NBCA injection via the Carry Leon NSX microcatheter for the treatment of SAAs. The use of a PTFE-coated NSX microcatheter can enhance the safety and efficacy of NBCA injections, making it a promising tool in the treatment of SAAs.

While the patient's post-embolization course, discharge details, and follow-up MRI results were not provided in this paragraph, the overall success of the procedure underscores the potential benefits of using the Carry Leon NSX microcatheter in the treatment of SAAs.

For more detailed clinical study data or comparative outcomes, please let me know. I would be happy to help summarize those as well.

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Treatment of Splenic Artery Aneurysms with Coils and N-Butyl 2-Cyanoacrylate (NBCA) via a Novel Polytetrafluoroethylene (PTFE)-Coated Microcatheter: Case Studies of 3 Patients