| Is transesophageal echocardiography still necessary to exclude patent foramen ovale? | |
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MedLine Citation:
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PMID: 18569955 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: Current guidelines still recommend transesophageal echocardiography (TEE) as reference method to diagnose interatrial shunts. The aim was to test the accuracy of high-end transthoracal echocardiography (TTE) to exclude inter-atrial shunts. METHODS: Prospective TTE and TEE study with second harmonic imaging to determine left-to-right shunt (L/R) by both colour Doppler or R/L by contrast echocardiography in patients with unexplained cerebrovascular incidents or newly detected valvular or myocardial disease. RESULTS: An inter-atrial shunt was diagnosed in 200 of 438 analyzed patients (117 males). Colour Doppler echocardiography visualized a shunt in 67 patients (34%) on TTE vs. 84 (42%) patients on TEE (p <0.0001). However injection of agitated blood with a valsalva maneuver detected 190 (95%) interatrial shunts by both TTE and TEE, but 10 shunts (5%) only by TTE. CONCLUSIONS: Our study shows that patent foramen ovale can safely be demonstrated with high-end transthoracic contrast- echocardiography. If additional studies confirm our results, TTE has the potential to become the method of choice in the diagnosis of PFO. |
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Authors:
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M Zuber; F Cuculi; E Oechslin; P Erne; R Jenni |
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Publication Detail:
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Type: Evaluation Studies; Journal Article |
Journal Detail:
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Title: Scandinavian cardiovascular journal : SCJ Volume: 42 ISSN: 1401-7431 ISO Abbreviation: Scand. Cardiovasc. J. Publication Date: 2008 Jun |
Date Detail:
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Created Date: 2008-06-23 Completed Date: 2008-10-10 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9708377 Medline TA: Scand Cardiovasc J Country: England |
Other Details:
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Languages: eng Pagination: 222-5 Citation Subset: IM |
Affiliation:
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Division of Cardiology, Kantonsspital Luzern, Luzern, Switzerland. michel.zuber@bluewin.ch |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Cardiomyopathies / physiopathology, ultrasonography* Cerebrovascular Disorders / etiology, physiopathology, ultrasonography* Coronary Circulation Echocardiography, Doppler, Color* Echocardiography, Transesophageal* Female Foramen Ovale, Patent / complications, physiopathology, ultrasonography* Heart Valve Diseases / physiopathology, ultrasonography* Humans Male Middle Aged Predictive Value of Tests Prospective Studies Valsalva Maneuver |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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