Facial Nerve Preservation in Hannover IV Vestibular Schwannomas. What Factors Can Predict Facial Outcome?

This article aims to analyze the multiple clinical, imaging, and perioperative factors that may contribute with postoperative facial nerve (FN) function in a series of Hannover IV Vestibular Schwannomas (VS) operated by a single surgeon at a third-level center in Argentina.

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Surgeons treating large (Hannover grade IV) vestibular schwannomas should note the predictive factors identified for facial nerve preservation, but the retrospective single-centre design limits immediate practice change; prospective validation is needed before altering surgical decision protocols.

Facial nerve injury is one of the most feared complications of vestibular schwannoma surgery, and identifying preoperative predictors could guide surgical planning and patient counselling for the most challenging tumour grades.

1. 01Retrospective study examining predictors of facial nerve outcomes after Hannover grade IV vestibular schwannoma surgery.
2. 02Evaluated clinical, imaging (radiological), and perioperative factors as potential predictors.
3. 03Hannover grade IV tumours are the largest and most surgically challenging vestibular schwannomas.
4. 04Facial nerve preservation is a critical quality-of-life outcome in acoustic neuroma surgery.
5. 05Findings may inform preoperative risk stratification and patient counselling.

PMID

42619288

DOI

10.4103/neurol-india.Neurol-India-D-25-00710.

Journal

Neurology India

Publication type

research_article

Evidence level

4

Population

Patients who underwent surgery for Hannover grade IV vestibular schwannomas

Intervention

Surgical resection of Hannover grade IV vestibular schwannomas with intraoperative facial nerve monitoring