Abstract
Balloon test occlusion (BTO) can predict the ischemic complication risk associated with arterial occlusion. We present a case of an unruptured, broad-necked internal carotid artery-posterior communicating artery (PcomA) aneurysm that was successfully embolized after super-selective BTO of fetal PcomA with electrophysiological monitoring. The proximal portion of the PcomA was internally occluded without causing major neurological deficits, although we observed a small new infarction in the ipsilateral anterior thalamus postoperatively. We recognized small perforators arising from the proximal PcomA during a previous clipping surgery. Super-selective BTO with electrophysiological monitoring could be useful for functional preservation after infarction from angiographically invisible perforators.
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Abbreviations
- BTO :
-
Balloon test occlusion
- ICA :
-
Internal carotid artery
- MEPs :
-
Motor-evoked potentials
- PcomA :
-
Posterior communicating artery
- SEPs :
-
Sensory-evoked potentials
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This article is part of the Topical Collection on Vascular Neurosurgery - Aneurysm
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Maruyama, D., Nanto, M., Ogita, S. et al. Super-selective balloon test occlusion with electrophysiological monitoring to occlude angiographically invisible posterior communicating artery perforators with unruptured aneurysm. Acta Neurochir 164, 169–172 (2022). https://doi.org/10.1007/s00701-021-05074-w
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DOI: https://doi.org/10.1007/s00701-021-05074-w