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Balloon-assisted coiling through a single 6F guiding catheter.
1Department of Neurosurgery, University of Mississippi Medical Center, Jackson, MS, USA.
AJNR. American Journal of Neuroradiology
|January 19, 2006
Summary
The new 6F Envoy guiding catheter simplifies balloon-assisted coiling (BAC) by enabling dual microcatheter use. This innovation reduces the need for larger catheters or multiple access points, improving procedural ease and patient outcomes.
Area of Science:
- Interventional Neuroradiology
- Vascular Surgery
- Medical Device Technology
Background:
- Balloon-assisted coiling (BAC) is a common endovascular technique for treating intracranial aneurysms.
- Current BAC procedures often require larger guiding catheters or a bifemoral approach, potentially increasing procedural complexity and patient trauma.
- The development of specialized guiding catheters aims to optimize access and manipulation of multiple devices during complex endovascular interventions.
Purpose of the Study:
- To evaluate the utility and safety of the new 6F Envoy guiding catheter with an enlarged inner diameter for dual microcatheter access in balloon-assisted coiling (BAC).
- To assess the feasibility of using this guiding catheter as an alternative to larger (7F) guiding catheters or the bifemoral approach in BAC procedures.
- To determine if this approach simplifies the procedure and reduces vessel wall trauma.
Main Methods:
- Retrospective analysis of 48 patients undergoing BAC procedures using the 6F Envoy guiding catheter.
- Simultaneous insertion and manipulation of a 0.014-inch microcatheter and a balloon microcatheter through the guiding catheter.
- Assessment of procedural ease, angiographic quality, and technical success.
Main Results:
- The 6F Envoy guiding catheter successfully accommodated both microcatheters, facilitating easy manipulation.
- High-quality control angiograms were obtained throughout the procedures.
- The use of the 6F Envoy guiding catheter eliminated the need for larger 7F catheters or the bifemoral approach in indicated cases.
- The procedure was technically simpler for the operator and less traumatic to the vessel wall.
Conclusions:
- The 6F Envoy guiding catheter with its enlarged inner diameter is a safe and effective tool for dual microcatheter access in balloon-assisted coiling.
- This guiding catheter simplifies BAC procedures, offering a less traumatic alternative to conventional methods.
- Its use can potentially reduce procedural time and improve patient outcomes in the treatment of intracranial aneurysms.