Bailouts During Neurointervention; Novel Techniques in Tackling Coil Migration and Premature Intravascular Detachment of Microcatheter Tip

Abstract

Background: Intracranial vascular malformations are increasingly being treated via the endovascular route. Though generally safe, a multitude of intraprocedural complications that potentially lead to disastrous clinical outcomes may arise. It is crucial for the operators to be well versed with the various techniques that are available to overcome any procedure-specific complications.

Methods: We present 2 cases in which we encountered premature intravascular detachment of the microcatheter tip and coil migration while treating a dural arteriovenous fistula and aneurysm, respectively. We used a stentriever to remove the detached microcatheter tip and suction using the reperfusion catheter to remove the migrated coil, both techniques that have not been reported in the literature thus far.

Results: Detached microcatheter tip and migrated coil were successfully retrieved using a stentriever and aspiration catheter.

Conclusions: These novel techniques could potentially reduce mortality and morbidity associated with neurointervention.

Keywords: Arteriovenous malformation; Coil migration; Detached microcatheter; Intracranial aneurysms.