Evidence map›Paper›PMID 24923875›Full record

ArticleNeuro-oncology2014

Navigated transcranial magnetic stimulation improves the treatment outcome in patients with brain tumors in motor eloquent locations.

Dietmar Frey, Sarah Schilt, Valérie Strack, Anna Zdunczyk, Judith Rösler, Birat Niraula, Peter Vajkoczy, Thomas Picht

Open access · bronzeAbstract read
In one paragraph

Article in Neuro-oncology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 66 papers, 5 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
66citing papers in PubMed, 5 pooled it
11.8field-weighted citation impact, top 1% 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

66 citing papers in PubMed, 5 syntheses or guidelines pooled it, 166 citations in OpenAlex.

  1. Pooled it
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  6. Review
  7. Neuromodulation in Neuro-Oncology: A Scoping Review.Journal of personalized medicine · 2026
    Review
  8. Review
  9. Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Editorial: Clinical therapy of brain tumors.Frontiers in neurology · 2025
    Article
  15. Review
  16. Article
  17. Article
  18. Review
  19. Article
  20. Article

6 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

8 authors at 1 institution in 1 country.

Dietmar FreyDepartment of Neurosurgery, Charité University Medicine, Berlin, Germany.
Sarah SchiltDepartment of Neurosurgery, Charité University Medicine, Berlin, Germany.
Valérie StrackDepartment of Neurosurgery, Charité University Medicine, Berlin, Germany.
Anna ZdunczykDepartment of Neurosurgery, Charité University Medicine, Berlin, Germany.
Judith RöslerDepartment of Neurosurgery, Charité University Medicine, Berlin, Germany.
Birat NiraulaDepartment of Neurosurgery, Charité University Medicine, Berlin, Germany.
Peter VajkoczyDepartment of Neurosurgery, Charité University Medicine, Berlin, Germany.
Thomas PichtDepartment of Neurosurgery, Charité University Medicine, Berlin, Germany.
Charité - Universitätsmedizin Berlin · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundNeurological and oncological outcomes of motor eloquent brain-tumor patients depend upon the ability to localize functional areas and the respective proposed therapy. We set out to determine whether the use of navigated transcranial magnetic stimulation (nTMS) had an impact on treatment and outcome in patients with brain tumors in motor eloquent locations.

methodsWe enrolled 250 consecutive patients and compared their functional and oncological outcomes to a matched pre-nTMS control group (n = 115).

resultsnTMS mapping results disproved suspected involvement of primary motor cortex in 25.1% of cases, expanded surgical indication in 14.8%, and led to planning of more extensive resection in 35.2% of cases and more restrictive resection in 3.5%. In comparison with the control group, the rate of gross total resections increased significantly from 42% to 59% (P < .05). Progression-free-survival for low grade glioma was significantly better in the nTMS group at 22.4 months than in control group at 15.4 months (P < .05). Integration of nTMS led to a nonsignificant change of postoperative deficits from 8.5% in the control group to 6.1% in the nTMS group.

conclusionsnTMS provides crucial data for preoperative planning and surgical resection of tumors involving essential motor areas. Expanding surgical indications and extent of resection based on nTMS enables more patients to undergo surgery and might lead to better neurological outcomes and higher survival rates in brain tumor patients. The impact of this study should go far beyond the neurosurgical community because it could fundamentally improve treatment and outcome, and its results will likely change clinical practice.

Indexed as

AdultAgedAged, 80 and overBrain MappingBrain NeoplasmsDisease-Free SurvivalFemaleGliomaHumansMaleMiddle AgedMotor CortexNeuronavigationPreoperative CareQuality of LifeTranscranial Magnetic Stimulationclinical and oncological outcomediffusion tensor imagingintraoperative monitoringmotor eloquent brain tumorsnavigated transcranial magnetic stimulation

Identifiers

PMID24923875
PMCPMC4165423
OpenAlexW2168548386

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.