Evidence map›Paper›PMID 31598783›Full record

SynthesisNeurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology2020

The effect of filum terminale sectioning for Chiari 1 malformation treatment: systematic review.

Jerônimo Buzetti Milano, Alécio Cristino Evangelista Santos Barcelos, Franz Jooji Onishi, Jefferson Walter Daniel, Ricardo Vieira Botelho, Fernando Rolemberg Dantas, Eloy Rusafa Neto, Eduardo de Freitas Bertolini, Marcelo Luís Mudo, Roger S Brock and 2 more

Abstract readSystematic Review
PubMed Publisher
In one paragraph

Synthesis in Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 1 pooled it
2.0field-weighted citation impact, top 14% 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

10 citing papers in PubMed, 1 synthesis or guideline pooled it, 16 citations in OpenAlex.

  1. The management of Chiari malformation type 1 and syringomyelia in children: a review of the literature.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2021
    Pooled it
  2. Review
  3. Article
  4. Reoperation in Chiari-1 Malformations.Journal of clinical medicine · 2023
    Article
  5. Article
  6. Article
  7. Review
  8. Article
  9. Diagnosis and treatment of Chiari malformation and syringomyelia in adults: international consensus document.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2022
    Article
  10. Diagnosis and treatment of Chiari malformation type 1 in children: the International Consensus Document.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2022
    Article
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 8 institutions in 1 country.

Jerônimo Buzetti MilanoNeurological Institute of Curitiba, Curitiba, PR, Brazil.
Alécio Cristino Evangelista Santos BarcelosFederal University of Paraíba (UFPB), João Pessoa, PB, Brazil.
Franz Jooji OnishiFederal University of São Paulo (UNIFESP), São Paulo, SP, Brazil.
Jefferson Walter DanielSanta Casa de São Paulo, São Paulo, SP, Brazil.
Ricardo Vieira BotelhoHospital do Servidor Público Estadual, São Paulo, SP, Brazil. bitbot@uol.com.br.
Fernando Rolemberg DantasHospital Biocor - Belo Horizonte-MG, and Post-Graduation Program, Hospital do Servidor Público Estadual, São Paulo, SP, Brazil.
Eloy Rusafa NetoUniversity of São Paulo (USP), São Paulo, SP, Brazil.
Eduardo de Freitas BertoliniHospital do Servidor Público Estadual, São Paulo, SP, Brazil.
Marcelo Luís MudoHospital São Camilo de Itu-SP, Itu, SP, Brazil.
Roger S BrockUniversity of São Paulo (USP), São Paulo, SP, Brazil.
Ricardo Santos de OliveiraUniversity of São Paulo (USP), Ribeirão Preto, SP, Brazil.
Andrei Fernandes JoaquimDepartment of Neurology, State University of Campinas (UNICAMP), Campinas, SP, Brazil. andjoaquim@yahoo.com.ORCID http://orcid.org/0000-0003-2645-0483
Hospital do Servidor Público Estadual · BRUniversidade de São Paulo · BRInstituto de Neurologia de Curitiba · BRSão Camilo Hospital · BRUniversidade de Ribeirão Preto · BRUniversidade Estadual de Campinas (UNICAMP) · BRUniversidade Federal da Paraíba · BRUniversidade Federal de São Paulo · BR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeSymptomatic Chiari type I malformation (CM) is treated with posterior fossa decompression with/ without duroplasty. Few authors suggested cerebellar tonsil caudal migration due to a supposed "caudal traction" of cranial nerve structures in a so-called occult tethered cord syndrome. For these authors, filum terminale (FT) sectioning may improve CM symptoms. The objective of this review is to evaluate the effect of FT sectioning on the treatment of CM.

methodsUsing the PRISMA guidelines for systematic reviews, we reviewed studies to evaluate patient's outcomes with CM who underwent FT sectioning. The MINORS instrument was used for methodological quality assessment. The included studies' levels of evidence (LOE) were classified according to the Oxford Centre of Evidence-Based Medicine.

resultsTwo studies from the same group of authors were included. We cannot assure if the cited cases in the first study were also included in their latter published study. The described results suggest that outcomes were not collected in a standardized fashion. Outcomes are described vaguely as a percentage of improvement. Case series samples were small and included not only patients with CM but also patients with scoliosis and syringomyelia. The MINORS score reported that both studies had low methodological quality. Both included studies were classified as level 4 of evidence.

conclusionThere is no scientific support for filum terminale sectioning in patients with CM without evidence of tethered cord. This procedure may be considered experimental and should be validated in a strict criterion of inclusion clinical trial comparing outcomes in posterior fossa decompression.

Indexed as

Arnold-Chiari MalformationCauda EquinaHumansNeural Tube DefectsNeurosurgical ProceduresScoliosisSyringomyeliaChiariFilum terminaleOutcomesSectioningSystematic review

Identifiers

PMID31598783
OpenAlexW2979664850

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.