Updated Meta-analysis on the Closure of Patent Foramen Ovale in Reduction of Stroke Rates: the DEFENSE-PFO Trial Does not Change the Scenario

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Main Author: Michel Pompeu Barros Oliveira Sá
Format: Artículo científico
Language:en
Published: Sociedade Brasileira de Cirurgia Cardiovascular 2018
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author Michel Pompeu Barros Oliveira Sá
author_facet Michel Pompeu Barros Oliveira Sá
contents Updated Meta-analysis on the Closure of Patent Foramen Ovale in Reduction of Stroke Rates: the DEFENSE-PFO Trial Does not Change the Scenario Michel Pompeu Barros Oliveira Sá Erik Everton Silva Vieira Luiz Rafael Pereira Cavalcanti Roberto Gouveia Silva Diniz Sérgio da Costa Rayol Alexandre Motta de Menezes Ricardo Felipe de Albuquerque Lins Ricardo Carvalho Lima Medicina Meta Patent analysis Foramen Ovale Vascular Closure Devices Objective: We aimed to analyze whether patent foramen ovale (PFO) closure reduces the risk of stroke, assessing also some safety outcomes after the publication of a new trial. Introduction: The clinical benefit of closing a PFO has been an open question, so it is necessary to review the current state of published medical data in regards to this subject. Methods: MEDLINE, EMBASE, CENTRAL/CCTR, SciELO, LILACS, Google Scholar and reference lists of relevant articles were used to search for randomized controlled trials (RCTs) that reported any of the following outcomes: stroke, death, major bleeding or atrial fibrillation. Six studies fulfilled our eligibility criteria and included 3560 patients (1889 for PFO closure and 1671 for medical therapy. Results: The risk ration (RR) for stroke in the “closure” group compared with the “medical therapy” showed a statistically significant difference between the groups, favouring the “closure” group (RR 0.366; 95%CI 0.171–0.782, P=0.010). There was no statistically significant difference between the groups regarding the safety outcomes, death and major bleeding, but we observed an increase in the risk of atrial fibrillation in the “closure” group (RR 4.131; 95%CI 2.293–7.443, P<0.001). We also observed that the larger the proportion of effective closure, the lower the risk of stroke. Conclusion: This meta-analysis found that stroke rates are lower with percutaneously implanted device closure than with medical therapy alone, being these rates modulated by the rates of hypertension, atrial septal aneurysm and effective closure. The publication of a new trial did not change the scenario in the medical literature. 2018 artículo científico 0102-7638 https://www.redalyc.org/articulo.oa?id=398957528014 https://www.redalyc.org/journal/3989/398957528014/ https://www.redalyc.org/journal/3989/398957528014/html/ https://www.redalyc.org/journal/3989/398957528014/398957528014.epub https://www.redalyc.org/journal/3989/398957528014/movil 10.21470/1678-9741-2018-0194 en http://www.redalyc.org/revista.oa?id=3989 Revista Brasileira de Cirurgia Cardiovascular/Brazilian Journal of Cardiovascular Surgery application/pdf Sociedade Brasileira de Cirurgia Cardiovascular Revista Brasileira de Cirurgia Cardiovascular/Brazilian Journal of Cardiovascular Surgery (Brasil) Num.5 Vol.33
format Artículo científico
id redalyc_398957528014
institution Redalyc
language en
publishDate 2018
publisher Sociedade Brasileira de Cirurgia Cardiovascular
spellingShingle Updated Meta-analysis on the Closure of Patent Foramen Ovale in Reduction of Stroke Rates: the DEFENSE-PFO Trial Does not Change the Scenario
Michel Pompeu Barros Oliveira Sá
Medicina
Meta
Patent
analysis
Foramen Ovale
Vascular Closure Devices
Updated Meta-analysis on the Closure of Patent Foramen Ovale in Reduction of Stroke Rates: the DEFENSE-PFO Trial Does not Change the Scenario Michel Pompeu Barros Oliveira Sá Erik Everton Silva Vieira Luiz Rafael Pereira Cavalcanti Roberto Gouveia Silva Diniz Sérgio da Costa Rayol Alexandre Motta de Menezes Ricardo Felipe de Albuquerque Lins Ricardo Carvalho Lima Medicina Meta Patent analysis Foramen Ovale Vascular Closure Devices Objective: We aimed to analyze whether patent foramen ovale (PFO) closure reduces the risk of stroke, assessing also some safety outcomes after the publication of a new trial. Introduction: The clinical benefit of closing a PFO has been an open question, so it is necessary to review the current state of published medical data in regards to this subject. Methods: MEDLINE, EMBASE, CENTRAL/CCTR, SciELO, LILACS, Google Scholar and reference lists of relevant articles were used to search for randomized controlled trials (RCTs) that reported any of the following outcomes: stroke, death, major bleeding or atrial fibrillation. Six studies fulfilled our eligibility criteria and included 3560 patients (1889 for PFO closure and 1671 for medical therapy. Results: The risk ration (RR) for stroke in the “closure” group compared with the “medical therapy” showed a statistically significant difference between the groups, favouring the “closure” group (RR 0.366; 95%CI 0.171–0.782, P=0.010). There was no statistically significant difference between the groups regarding the safety outcomes, death and major bleeding, but we observed an increase in the risk of atrial fibrillation in the “closure” group (RR 4.131; 95%CI 2.293–7.443, P<0.001). We also observed that the larger the proportion of effective closure, the lower the risk of stroke. Conclusion: This meta-analysis found that stroke rates are lower with percutaneously implanted device closure than with medical therapy alone, being these rates modulated by the rates of hypertension, atrial septal aneurysm and effective closure. The publication of a new trial did not change the scenario in the medical literature. 2018 artículo científico 0102-7638 https://www.redalyc.org/articulo.oa?id=398957528014 https://www.redalyc.org/journal/3989/398957528014/ https://www.redalyc.org/journal/3989/398957528014/html/ https://www.redalyc.org/journal/3989/398957528014/398957528014.epub https://www.redalyc.org/journal/3989/398957528014/movil 10.21470/1678-9741-2018-0194 en http://www.redalyc.org/revista.oa?id=3989 Revista Brasileira de Cirurgia Cardiovascular/Brazilian Journal of Cardiovascular Surgery application/pdf Sociedade Brasileira de Cirurgia Cardiovascular Revista Brasileira de Cirurgia Cardiovascular/Brazilian Journal of Cardiovascular Surgery (Brasil) Num.5 Vol.33
title Updated Meta-analysis on the Closure of Patent Foramen Ovale in Reduction of Stroke Rates: the DEFENSE-PFO Trial Does not Change the Scenario
topic Medicina
Meta
Patent
analysis
Foramen Ovale
Vascular Closure Devices
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https://www.redalyc.org/journal/3989/398957528014/398957528014.epub
https://www.redalyc.org/journal/3989/398957528014/movil