Laser interstitial thermotherapy (LiTT) in pediatric epilepsy surgery.

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Laser interstitial thermotherapy (LiTT) in pediatric epilepsy surgery.

Seizure. 2018 Dec 18;:

Authors: Hoppe C, Helmstaedter C

Abstract
Laser interstitial thermotherapy (LiTT) is a novel stereotactic approach to the surgical treatment of severe drug-resistant focal epilepsies. This review extends our recent general review on this topic (Hoppe et al. Laser interstitial thermotherapy [LiTT] in epilepsy surgery. Seizure 2017; 48:45-52) with a focus on children (age <18 years). A PubMed search retrieved 25 uncontrolled case series reports that included a total of 179 pediatric patients as well as 7 review papers that specifically referred to using LiTT in pediatric epilepsy surgery (due August 31, 2018). Hypothalamic hamartomas (HH) represented the most frequent indication (64.2%) while therapeutic evidence for other more frequent etiologies underlying severe focal childhood epilepsies (e.g. focal cortical dysplasia, mesiotemporal sclerosis) is still scarce (n<20). For the published cases, the rate of severe complications was 3.4% and the overall complication rate was 23.5%. The seizure freedom rate (Engel class 1) was 57.5% (including patients with early follow-up and repeat thermoablations). None of the studies included the systematic evaluation of the cognitive outcome. Overall, the published evidence does not yet allow a scientific or clinical judgement on the utility of LiTT for pediatric epilepsy surgery. LiTT is likely to extend the neurosurgical toolbox with regard to deep brain lesions (e.g. HH). However, in cases that are equally accessible for both approaches therapeutic superiority of LiTT over open resective surgery still remains to be demonstrated. Recommendations for controlled though non-randomized outcome studies are provided.

PMID: 30591281 [PubMed - as supplied by publisher]

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