Recovery of neurological complications following endovascular parent artery occlusion of ruptured a2 segment anterior inferior cerebellar artery aneurysm: a case report - Summary - MDSpire

Recovery of neurological complications following endovascular parent artery occlusion of ruptured a2 segment anterior inferior cerebellar artery aneurysm: a case report

  • By

  • Young-Soo Chang

  • Sun-Yoon Chung

  • May 16, 2025

  • 0 min

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Objective:

To report on the recovery of audiovestibular loss and facial palsy after endovascular parent artery occlusion (ePAO) of a ruptured a2 aneurysm and to investigate the significance of ePAO as a treatment option.

Key Findings:
  • ePAO can lead to recovery of neurological deficits despite IAA occlusion.
  • The patient improved from H-B grade III facial palsy to grade II and experienced recovery of hearing.
  • At 24 months, the patient had mild hearing loss but was capable of daily activities.
Interpretation:

The case suggests that despite the theoretical risk of permanent audiovestibular loss due to IAA occlusion, recovery is possible, indicating the potential for ePAO as a viable treatment option for similar cases.

Limitations:
  • Limited number of cases reported on recovery after ePAO for ruptured a2 aneurysms, which may affect the generalizability of the findings.
  • Long-term outcomes and recovery mechanisms remain unclear, necessitating further research.
Conclusion:

ePAO may be a feasible treatment for ruptured a2 aneurysms, with potential for neurological recovery, including hearing and facial function.

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