Evidence map›Paper›PMID 37300533›Full record

ArticleEpilepsia2023

Stereoelectroencephalography-guided radiofrequency ablation of the epileptogenic zone as a treatment and predictor of future success of further surgical intervention.

Jessica A Shields, Alex C M Greven, Veeresh K N Shivamurthy, Adam S Dickey, Rebecca E Matthews, Neal G Laxpati, Abdulrahman Alwaki, Daniel L Drane, Faical Isbaine, Jon T Willie and 2 more

Open access · greenAbstract read
In one paragraph

Article in Epilepsia, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
4.5field-weighted citation impact, top 5% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

15 citing papers in PubMed, 20 citations in OpenAlex.

  1. Article
  2. Review
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  4. Article
  5. Stereoelectroencephalography-guided radiofrequency thermocoagulation for secondary occipital lobe epilepsy in a child: a case report.Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery · 2026
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  7. Observational
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors at 3 institutions in 1 country.

Jessica A ShieldsDepartment of Neurosurgery, Emory University, Atlanta, Georgia, USA.ORCID 0000-0003-0900-8853
Alex C M GrevenDepartment of Neurosurgery, Emory University, Atlanta, Georgia, USA.
Veeresh K N ShivamurthyDepartment of Neurology, Trinity Health of New England, Hartford, Connecticut, USA.
Adam S DickeyDepartment of Neurology, Emory University, Atlanta, Georgia, USA.ORCID 0000-0003-4710-1290
Rebecca E MatthewsDepartment of Neurology, Emory University, Atlanta, Georgia, USA.
Neal G LaxpatiDepartment of Neurosurgery, Emory University, Atlanta, Georgia, USA.
Abdulrahman AlwakiDepartment of Neurology, Emory University, Atlanta, Georgia, USA.
Daniel L DraneDepartment of Neurology, Emory University, Atlanta, Georgia, USA.ORCID 0000-0001-8747-672X
Faical IsbaineDepartment of Neurosurgery, Emory University, Atlanta, Georgia, USA.
Jon T WillieDepartment of Neurosurgery, Washington University, St. Louis, Missouri, USA.ORCID 0000-0001-9565-4338
Katie L BullingerDepartment of Neurology, Emory University, Atlanta, Georgia, USA.ORCID 0000-0002-2519-7108
Robert E GrossDepartment of Neurosurgery, Emory University, Atlanta, Georgia, USA.ORCID 0000-0003-1847-9227
Emory University · USTrinity Health · USWashington University in St. Louis · US

Funding

Implementing a Maternal health and PRegnancy Outcomes Vision for Everyone (IMPROVE)UL1TR002378 · NCATS · EMORY UNIVERSITY · PI Andres J Garcia, Elizabeth O. Ofili · 2017 to 2026
$92.1M
Institutional Career Development CoreKL2TR002381 · NCATS · EMORY UNIVERSITY · PI HENRY M BLUMBERG, Anandi Nayan Sheth · 2017 to 2026
$14.1M
National Neuropsychological Network (NNN)R01MH118514 · NIMH · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI DANIEL L DRANE, David W. Loring · 2019 to 2026
$9.4M
Dissecting the Cognitive Roles of Hippocampus, Other Temporal Lobe StructuresR01NS088748 · NINDS · EMORY UNIVERSITY · PI DRANE, DANIEL L · 2014 to 2024
$6.4M
Mechanisms of Amygdala-Mediated Memory Enhancement in HumansR01MH120194 · NIMH · WASHINGTON UNIVERSITY · PI WILLIE, JON TIMOTHY · 2020 to 2024
$1.8M
NCATS NIH HHS KL2 TR002381NCATS NIH HHS UL1 TR002378NIH HHS R01 MH120194NIMH NIH HHS R01 MH118514NINDS NIH HHS R01 NS088748
6 · The paper itself

Abstract

objectiveStereoelectroencephalography (SEEG)-guided radiofrequency ablation (RFA) is increasingly being used as a treatment for drug-resistant localization-related epilepsy. The aim of this study is to analyze the successes and failures using RFA and how response correlates with surgical epilepsy treatment outcomes.

methodsWe retrospectively reviewed 62 patients who underwent RFA via SEEG electrodes. After excluding five, the remaining 57 were classified into subgroups based on procedures and outcomes. Forty patients (70%) underwent a secondary surgical procedure, of whom 32 were delayed: 26 laser interstitial thermal therapy (LITT), five resection, one neuromodulation. We determined the predictive value of RFA outcome upon subsequent surgical outcome by categorizing the delayed secondary surgery outcome as success (Engel I/II) versus failure (Engel III/IV). Demographic information, epilepsy characteristics, and the transient time of seizure freedom after RFA were calculated for each patient.

resultsTwelve of 49 patients (24.5%) who had RFA alone and delayed follow-up achieved Engel class I. Of the 32 patients who underwent a delayed secondary surgical procedure, 15 achieved Engel class I and nine Engel class II (24 successes), and eight were considered failures (Engel class III/IV). The transient time of seizure freedom after RFA was significantly longer in the success group (4 months, SD = 2.6) as compared to the failure group (.75 months, SD = 1.16; p < .001). Additionally, there was a higher portion of preoperative lesional findings in patients in the RFA alone and delayed surgical success group (p = .03) and a longer time to seizure recurrence in the presence of lesions (p < .05). Side effects occurred in 1% of patients. SIGNIFICANCE: In this series, RFA provided a treatment during SEEG-guided intracranial monitoring that led to seizure freedom in ~25% of patients. Of the 70% who underwent delayed surgery, longer transient time of seizure freedom after RFA was predictive of the results of the secondary surgeries, 74% of which were LITT.

Indexed as

Drug Resistant EpilepsyEpilepsyElectroencephalographyHumansRetrospective StudiesSeizuresStereotaxic TechniquesTreatment Outcomelaser interstitial thermal therapyradiofrequency ablationstereoencephalography

Identifiers

PMID37300533
PMCPMC11051685
OpenAlexW4380154028

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.