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MR-guided laser interstitial thermal therapy for drug-resistant lesional epilepsy: a single-center experience

Chin Neurosurg J. 2023 Sep 18;9(1):26. doi: 10.1186/s41016-023-00335-2.


BACKGROUND: To describe and report the efficacy and safety of MR-guided laser interstitial thermal therapy (MRgLITT) in the treatment of drug-resistant epilepsy.

METHODS: A retrospective review of all MRgLITT procedures in our hospital was performed. All procedures were performed using a surgical laser ablation system. Demographic and outcome data were compiled and analyzed.

RESULTS: A total of 19 patients underwent MRgLITT procedures from June 2021 to November 2021. The average age at surgery was 18.1 years (3-61.4 years). The average length of hospitalization post-surgery was 4.95 days (4-7 days). Surgical substrates included 8 patients with hypothalamic hamartomas, 5 with medial temporal lobe epilepsy, 3 with deep focal cortical dysplasia, 1 with tuberous sclerosis, 1 with a cavernous malformation, and 1 with Lennox-Gastaut syndrome who underwent anterior corpus callosotomy. Complications occurred in three patients. After an average follow-up of 1 year, 6 patients were seizure-free (Engel I, 31.6%), 1 had significant seizure control (Engel II, 5.3%), 7 had seizure control (Engel III, 36.8%), and 5 had no improvement in their seizures (Engel IV, 26.3%). Fisher’s exact tests did not reveal statistical significance for the association between Engel class outcome and epileptic disease.

CONCLUSION: This study confirmed that MRgLITT, as a method for treating drug-resistant epilepsy, is minimally invasive, safe, and efficient and that it can reduce the incidence of surgery-related complications.

PMID:37723550 | DOI:10.1186/s41016-023-00335-2

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