Evidence map›Paper›PMID 33188605›Full record

SynthesisActa neurochirurgica2021

Trends in cerebrospinal fluid leak rates following the extended endoscopic endonasal approach for anterior skull base meningioma: a meta-analysis over the last 20 years.

Amir H Zamanipoor Najafabadi, Danyal Z Khan, Ivo S Muskens, Marike L D Broekman, Neil L Dorward, Wouter R van Furth, Hani J Marcus

Open access · hybridAbstract readMeta-Analysis
In one paragraph

Synthesis in Acta neurochirurgica, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed, 3 pooled it
4.3field-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

25 citing papers in PubMed, 3 syntheses or guidelines pooled it, 42 citations in OpenAlex.

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  17. Effects of Endoscopic Sinus Surgery on Olfactory Function.Current allergy and asthma reports · 2023
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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

7 authors at 3 institutions in 2 countries.

Amir H Zamanipoor NajafabadiDepartment of Neurosurgery, University Neurosurgical Centre Holland, Leiden University Medical Centre, Haaglanden Medical Center and Haga Teaching Hospital, Leiden and The Hague, The Netherlands. amir@lumc.nl.ORCID https://orcid.org/0000-0003-2400-2070
Danyal Z KhanDepartment of Neurosurgery, National Hospital for Neurology and Neurosurgery, London, UK.ORCID https://orcid.org/0000-0001-9213-2550
Ivo S MuskensDepartment of Neurosurgery, University Neurosurgical Centre Holland, Leiden University Medical Centre, Haaglanden Medical Center and Haga Teaching Hospital, Leiden and The Hague, The Netherlands.ORCID https://orcid.org/0000-0001-6183-8083
Marike L D BroekmanDepartment of Neurosurgery, University Neurosurgical Centre Holland, Leiden University Medical Centre, Haaglanden Medical Center and Haga Teaching Hospital, Leiden and The Hague, The Netherlands.ORCID https://orcid.org/0000-0003-2205-5179
Neil L DorwardDepartment of Neurosurgery, National Hospital for Neurology and Neurosurgery, London, UK.ORCID https://orcid.org/0000-0001-8103-5579
Wouter R van FurthDepartment of Neurosurgery, University Neurosurgical Centre Holland, Leiden University Medical Centre, Haaglanden Medical Center and Haga Teaching Hospital, Leiden and The Hague, The Netherlands.ORCID https://orcid.org/0000-0001-5208-921X
Hani J MarcusDepartment of Neurosurgery, National Hospital for Neurology and Neurosurgery, London, UK.ORCID https://orcid.org/0000-0001-8000-392X
Leiden University · NLWellcome / EPSRC Centre for Interventional and Surgical Sciences · GBNational Hospital for Neurology and Neurosurgery · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveThe extended endoscopic approach provides unimpaired visualization and direct access to ventral skull base pathology, but is associated with cerebrospinal fluid (CSF) leak in up to 25% of patients. To evaluate the impact of improved surgical techniques and devices to better repair skull base defects, we assessed published surgical outcomes of the extended endoscopic endonasal approach in the last two decades for a well-defined homogenous group of tuberculum sellae and olfactory groove meningioma patients.

methodsRandom-effects meta-analyses were performed for studies published between 2004 (first publications) and April 2020. We evaluated CSF leak as primary outcome. Secondary outcomes were gross total resection, improvement in visual outcomes in those presenting with a deficit, intraoperative arterial injury, and 30-day mortality. For the main analyses, publications were pragmatically grouped based on publication year in three categories: 2004-2010, 2011-2015, and 2016-2020.

resultsWe included 29 studies describing 540 patients with tuberculum sellae and 115 with olfactory groove meningioma. The percentage patients with CSF leak dropped over time from 22% (95% CI: 6-43%) in studies published between 2004 and 2010, to 16% (95% CI: 11-23%) between 2011 and 2015, and 4% (95% CI: 1-9%) between 2016 and 2020. Outcomes of gross total resection, visual improvement, intraoperative arterial injury, and 30-day mortality remained stable over time

conclusionsWe report a noticeable decrease in CSF leak over time, which might be attributed to the development and improvement of new closure techniques (e.g., Hadad-Bassagasteguy flap, and gasket seal), refined multilayer repair protocols, and lumbar drain usage.

Indexed as

AdultAgedCerebrospinal Fluid LeakFemaleHumansMaleMeningeal NeoplasmsMeningiomaMiddle AgedNatural Orifice Endoscopic SurgeryPostoperative ComplicationsSkull Base NeoplasmsCerebrospinal fluid leakEndoscopic surgeryMeningiomaSkull base

Identifiers

PMID33188605
PMCPMC7886718
OpenAlexW3104240273

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.