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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-31922

Greutmann, M; Greutmann-Yantiri, M; Kretschmar, O; Senn, O; Roffi, M; Jenni, R; Luescher, T F; Eberli, F R (2009). Percutaneous PFO closure with Amplatzer PFO occluder: predictors of residual shunts at 6 months follow-up. Congenital Heart Disease, 4(4):252-257.

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Abstract

OBJECTIVE: The objective of this study was to assess predictors of residual shunts after percutaneous patent foramen ovale (PFO) closure with Amplatzer PFO occluder (AGA Medical Corporation, Golden Valley, MN, USA). METHODS: All percutaneous PFO closures, using Amplatzer PFO occluder performed at a tertiary center between May 2002 and August 2006, were reviewed. Follow-up, including saline contrast transesophageal echocardiography, was performed in all patients 6 months after the intervention. PATIENTS: A total of 135 procedures were performed. Mean age of the patients was 51 years. The indication for PFO closure was an ischemic cerebrovascular event in 92%, paradoxical systemic embolism in 4%, and a diving accident in 4%. Recurrent events prior to PFO closure were noted in 34%. A concomitant atrial septal aneurysm was present in 61%. RESULTS: At 6 months follow-up, a residual shunt was detected in 26 patients (19%). Residual shunts were more common in patients with an atrial septal aneurysm (27 vs. 8%, P= .01) and in patients treated with a 35-mm compared with a 25-mm device (39 vs. 15%, P= .01). A concomitant atrial septal aneurysm remained independently associated with residual shunts when controlled for body mass index, gender, age, atrial dimensions, and presence of a Chiari network (odds ratio 4.1, 95% confidence intervals 1.1-15.0). CONCLUSION: The presence of atrial septal aneurysms in patients undergoing percutaneous PFO closure with an Amplatzer PFO occluder significantly increases the rate of residual shunts at 6 months follow-up, even if 35-mm devices are used.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Cardiology
04 Faculty of Medicine > University Hospital Zurich > Institute of General Practice
04 Faculty of Medicine > University Children's Hospital Zurich > Medical Clinic
DDC:610 Medicine & health
Language:English
Date:2009
Deposited On:22 Feb 2010 11:46
Last Modified:27 Nov 2013 16:19
Publisher:Wiley-Blackwell
ISSN:1747-079X
Additional Information:The definitive version is available at www.blackwell-synergy.com
Publisher DOI:10.1111/j.1747-0803.2009.00302.x
PubMed ID:19664027

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