Evidence map›Paper›PMID 32747973›Full record

Trial reportClinical neuroradiology2021

Casper vs. Closed-Cell Stent : Carotid Artery Stenting Randomized Trial.

José Ricardo Vanzin, Luís Henrique de Castro-Afonso, Moema Nene Santos, Luciano Bambini Manzato, Guilherme Seizem Nakiri, Lucas Moretti Monsignore, Felipe Padovani Trivelato, Marco Túlio Salles Rezende, Octavio Marques Pontes-Neto, Daniel Giansante Abud

Abstract readRandomized Controlled TrialEquivalence Trial
PubMed Publisher
In one paragraph

Trial report in Clinical neuroradiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed, 1 pooled it
1.0field-weighted citation impact, top 20% 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

2 citing papers in PubMed, 1 synthesis or guideline pooled it, 11 citations in OpenAlex.

  1. Nitinol double-layer stent versus closed single-layer stent: a systematic review.Revista da Associacao Medica Brasileira (1992) · 2022
    Pooled it
  2. 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

10 authors at 2 institutions in 1 country.

José Ricardo VanzinDivision of Interventional Neuroradiology, Medical School of Passo Fundo, Federal University of South Frontier, Rua Teixeira Soares, 640, Centro, 99080-020, Passo Fundo, RS, Brazil. jrvanzin@gmail.com.ORCID http://orcid.org/0000-0002-5100-5624
Luís Henrique de Castro-AfonsoDivision of Interventional Neuroradiology, Medical School of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil.ORCID http://orcid.org/0000-0002-8979-3283
Moema Nene SantosDivision of Hematology, Medical School of Passo Fundo, Federal University of South Frontier, Passo Fundo, RS, Brazil.ORCID http://orcid.org/0000-0002-7799-9444
Luciano Bambini ManzatoDivision of Interventional Neuroradiology, Medical School of Passo Fundo, Federal University of South Frontier, Rua Teixeira Soares, 640, Centro, 99080-020, Passo Fundo, RS, Brazil.ORCID http://orcid.org/0000-0002-4291-3831
Guilherme Seizem NakiriDivision of Interventional Neuroradiology, Medical School of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil.ORCID http://orcid.org/0000-0001-5132-6914
Lucas Moretti MonsignoreDivision of Interventional Neuroradiology, Medical School of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil.ORCID http://orcid.org/0000-0003-2345-4921
Felipe Padovani TrivelatoDivision of Interventional Neuroradiology, Felício Rocho Hospital, Belo Horizonte, Brazil.ORCID http://orcid.org/0000-0003-0614-5959
Marco Túlio Salles RezendeDivision of Interventional Neuroradiology, Felício Rocho Hospital, Belo Horizonte, Brazil.ORCID http://orcid.org/0000-0002-8484-9305
Octavio Marques Pontes-NetoDivision of Interventional Neuroradiology, Medical School of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil.ORCID http://orcid.org/0000-0003-0317-843X
Daniel Giansante AbudDivision of Interventional Neuroradiology, Medical School of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil.ORCID http://orcid.org/0000-0002-6171-669X
Universidade de São Paulo · BRUniversidade de Passo Fundo · BR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveThe aim of this trial was to compare the efficacy of closed-cell stents with Casper stents during carotid angioplasty stenting (CAS).

methodsThis was a randomized superiority trial in which 88 patients were enrolled. The primary end points were the incidence, number, and size of new ischemic brain lesions after CAS under distal embolic protection devices (EPD). The secondary end points included stroke, transient ischemic attack (TIA) and myocardial infarction (MI). Ischemic brain lesions were assessed by a diffusion-weighted magnetic resonance image (DW-MRI). Neurological outcomes were evaluated by means of the National Institutes of Health scale score (NIHSS) and the modified Rankin scale (mRS).

resultsCompared with closed-cell stents (n = 47), Casper stents (n = 41), resulted in no significant reduction in the incidence (44.7% versus 39%, P = 0.592), number (1.3 ± 1.8 versus 0.9 ± 1.5, p = 0.444), and size (3.9 ± 5.8 mm versus 2.8 ± 4.1 mm, p = 0.353) of new ischemic brain lesions. The global rate of stroke/TIA/MI was (2/88, 2.3%). Two TIA occurred during the hospitalization period, one in each group (1/41, 2.4% vs 1/47, 2.1%). One patient of the Casper group had an asymptomatic in-stent thrombosis. One patient of the control group had a MI (1/47, 2.1%) after discharge.

conclusionThe Casper stents did not show superiority in the rate of incidence, number and size of new silent ischemic brain lesions detect by DW-MRI when compared to close cell stents during CAS under distal EPD.

Indexed as

Carotid StenosisStrokeCarotid ArteriesDiffusion Magnetic Resonance ImagingHumansRisk FactorsStentsTreatment OutcomeCarotid artery angioplasty stentingCasper stentEmbolic protection devicesIschemic brain lesionsMagnetic resonance imaging

Identifiers

PMID32747973
OpenAlexW3047070230

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.