Safety and efficacy of Cardi-O-fix occluder for percutaneous closure of a patent foramen ovale

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Abstract

Background:

Amplatzer occluder and Cardio-O-fix occluder are currently used in percutaneous closure of patent foramen ovale. However, there is still a lack of relevant reports comparison the differences between them. The aim of this study was to evaluate the short-term and mid-term safety and efficacy of the Cardi-O-fix occluder in preventing recurrent cerebrovascular events in patients with a patent foramen ovale (PFO).

Methods:

We enrolled 246 patients (105 men) with a PFO from May 30, 2013 to March 30, 2015 in this single-center prospective study. All patients were treated by PFO interventional closure, with the Cardi-O-fix PFO occluder being used in 180 patients and the Amplatzer PFO occluder being utilized in the remaining 66 patients. After the procedure, we verified the safety and efficacy of different devices using contrast transthoracic echocardiography.

Results:

Neither recurrent stroke nor death was encountered during the follow-up of 12 months. Transient ischemic attack (TIA) was noted in 2 patients (1.1%) in the Cardi-O-fix PFO occluder group, and 1 patient suffered from TIA (1.5%) in the Amplatzer PFO occluder group. Among them, only 1 patient exhibited a small right to left shunt (RLS). There was no statistical difference in recurrent cerebral ischemic events. Three cases of paroxysmal atrial fibrillation were observed in the Cardi-O-fix PFO occluder group. One reverted spontaneously to sinus rhythm and the other 2 cases had pharmacologic conversion to sinus rhythm. One case of paroxysmal atrial fibrillation occurred in the Amplatzer group, which underwent pharmacologic conversion to sinus rhythm. There was no significant difference between the 2 groups regarding incidence of arrhythmia. No occluder translocation, erosion, pericardial effusion, and puncture site bleeding were observed in the 2 groups within 12 months of follow-up. The complete closure rates of the Cardi-O-fix and Amplatzer PFO occluder devices at the 12 months after the procedure were 73.9% and 63.6%, respectively, and the effective closure rates were 90.6% and 86.4%, respectively. There was no statistically significant difference in the complete closure rate and effective occlusion rate ( P > 0.05) between the devices.

Conclusions:

There was no significant difference in the short- and mid-term efficacy and safety between the Cardi-O-fix PFO occluder and Amplatzer PFO occluder. The efficacy and safety of the Cardi-O-fix occluder were comparable to those of the Amplatzer PFO occluder.

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Most cited references 16

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Recurrent cerebrovascular events associated with patent foramen ovale, atrial septal aneurysm, or both.

C. Lamy, L Cabanes, C Arquizan … (2001)

Patent foramen ovale and atrial septal aneurysm have been identified as potential risk factors for stroke, but information about their effect on the risk of recurrent stroke is limited. We studied the risks of recurrent cerebrovascular events associated with these cardiac abnormalities. A total of 581 patients (age, 18 to 55 years) who had had an ischemic stroke of unknown origin within the preceding three months were consecutively enrolled at 30 neurology departments. All patients received aspirin (300 mg per day) for secondary prevention. After four years, the risk of recurrent stroke was 2.3 percent (95 percent confidence interval, 0.3 to 4.3 percent) among the patients with patent foramen ovale alone, 15.2 percent (95 percent confidence interval, 1.8 to 28.6 percent) among the patients with both patent foramen ovale and atrial septal aneurysm, and 4.2 percent (95 percent confidence interval, 1.8 to 6.6 percent) among the patients with neither of these cardiac abnormalities. There were no recurrences among the patients with an atrial septal aneurysm alone. The presence of both cardiac abnormalities was a significant predictor of an increased risk of recurrent stroke (hazard ratio for the comparison with the absence of these abnormalities, 4.17; 95 percent confidence interval, 1.47 to 11.84), whereas isolated patent foramen ovale, whether small or large, was not. Patients with both patent foramen ovale and atrial septal aneurysm who have had a stroke constitute a subgroup at substantial risk for recurrent stroke, and preventive strategies other than aspirin should be considered.

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Patent foramen ovale and cryptogenic stroke in older patients.

Michael Handke, Manfred Olschewski, Annette Geibel-Zehender … (2007)

Studies to date have shown an association between the presence of patent foramen ovale and cryptogenic stroke in patients younger than 55 years of age. This association has not been established in patients 55 years of age or older. We prospectively examined 503 consecutive patients who had had a stroke, and we compared the 227 patients with cryptogenic stroke and the 276 control patients with stroke of known cause. We examined the prevalences of patent foramen ovale and of patent foramen ovale with concomitant atrial septal aneurysm in all patients, using transesophageal echocardiography. We also compared data for the 131 younger patients ( or = 55 years of age). The prevalence of patent foramen ovale was significantly greater among patients with cryptogenic stroke than among those with stroke of known cause, for both younger patients (43.9% vs. 14.3%; odds ratio, 4.70; 95% confidence interval [CI], 1.89 to 11.68; P<0.001) and older patients (28.3% vs. 11.9%; odds ratio, 2.92; 95% CI, 1.70 to 5.01; P<0.001). Even stronger was the association between the presence of patent foramen ovale with concomitant atrial septal aneurysm and cryptogenic stroke, as compared with stroke of known cause, among both younger patients (13.4% vs. 2.0%; odds ratio, 7.36; 95% CI, 1.01 to 326.60; P=0.049) and older patients (15.2% vs. 4.4%; odds ratio, 3.88; 95% CI, 1.78 to 8.46; P<0.001). Multivariate analysis adjusted for age, plaque thickness, and presence or absence of coronary artery disease and hypertension showed that the presence of patent foramen ovale was independently associated with cryptogenic stroke in both the younger group (odds ratio, 3.70; 95% CI, 1.42 to 9.65; P=0.008) and the older group (odds ratio, 3.00; 95% CI, 1.73 to 5.23; P<0.001). There is an association between the presence of patent foramen ovale and cryptogenic stroke in both older patients and younger patients. These data suggest that paradoxical embolism is a cause of stroke in both age groups. 2007 Massachusetts Medical Society

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Patent foramen ovale: anatomy, outcomes, and closure.

P Calvert, Gaurav Rana, M. Shapiro … (2011)

Patent foramen ovale (PFO) is a normal fetal communication between the right and left atria that persists after birth. PFO is a common finding that occurs in 20-34% of the population, although its prevalence decreases with age. In most cases, a PFO poses no threat to health. However, some PFOs have the ability to open widely under certain hemodynamic conditions, which enables any bloodborne material, such as thrombi, air, or vasoactive substances, to pass from the venous to the arterial circulation, with the potential to cause a cerebrovascular event. PFO has been linked to several conditions, including cryptogenic stroke, migraine with aura, decompression illness, and systemic arterial embolism. However, the data that support PFO closure in these conditions are mostly from nonrandomized cohort series, and are often contradictory. In this Review, we discuss the existing data on PFO closure, including results of the first randomized, controlled trial comparing device closure of PFO with medical therapy for cryptogenic stroke, and we examine controversies in the literature as well as ongoing studies. We also focus on the anatomy of a PFO and how it impacts on the procedure of PFO closure with a percutaneous device.

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Author and article information

Journal

Journal ID (nlm-ta): Medicine (Baltimore)

Journal ID (iso-abbrev): Medicine (Baltimore)

Journal ID (publisher-id): MEDI

Title: Medicine

Publisher: Wolters Kluwer Health

ISSN (Print): 0025-7974

ISSN (Electronic): 1536-5964

Publication date Collection: April 2017

Publication date (Electronic): 07 April 2017

Volume: 96

Issue: 14

Electronic Location Identifier: e6572

Affiliations

Department of Structural Heart Disease, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China.

Author notes

[∗ ]Correspondence: Yushun Zhang, MD, Department of Structural Heart Disease, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710061, China (e-mail: zys2889@ 123456sina.com ).

Article

Publisher ID: MD-D-17-01026 Accession ID: 06572

DOI: 10.1097/MD.0000000000006572

PMC ID: 5411222

PubMed ID: 28383438

SO-VID: 2a00e981-7d0d-465a-8a43-54b0c1691a5f

License:

This is an open access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal. http://creativecommons.org/licenses/by-nc-nd/4.0

History

Date received : 21 February 2017

Date revision received : 9 March 2017

Date accepted : 17 March 2017

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Keywords: cardi-o-fix,occluder,patent foramen ovale

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Keywords: cardi-o-fix, occluder, patent foramen ovale

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Safety and efficacy of Cardi-O-fix occluder for percutaneous closure of a patent foramen ovale : A single-center prospective study

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Most cited references 16

Recurrent cerebrovascular events associated with patent foramen ovale, atrial septal aneurysm, or both.

Patent foramen ovale and cryptogenic stroke in older patients.

Patent foramen ovale: anatomy, outcomes, and closure.

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