Document Detail

Anotomic interaction between the aortic root and the atrial septum: a prospective echocardiographic study.
MedLine Citation:
PMID:  17400121     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: We recently demonstrated that patients with platypnea-orthodeoxia syndrome and an enlarged aortic root had a smaller and hypermobile atrial septum (AS) compared with those with a normal aortic root. However, this was a partly retrospective study. METHODS: In all, 72 patients underwent transesophageal echocardiography and cardiac catheterization. The aortic root diameter, AS dimension, AS oscillation amplitude (ASo), and atrial pressure gradient were measured. RESULTS: Significant correlations were found: aortic root diameter and AS dimension (r = -0.5, P < .001), aortic root diameter and ASo (r = +0.3, P = .014), AS dimension and ASo (r = -0.28, P = .02), and ASo and atrial pressure gradient (r = -0.36, P = .003). Nineteen patients presented with patent foramen ovale; those with grade 3 shunting had significantly higher mobility of the AS and larger aortic roots. CONCLUSION: These results confirm that an increasing aortic size affects the AS by decreasing its apparent size and increasing its mobility. In case of a patent foramen ovale, increased AS mobility is associated with greater shunting.
Géraldine Bertaux; Jean-Christophe Eicher; Annie Petit; Petr Dobsák; Jean-Eric Wolf
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography     Volume:  20     ISSN:  1097-6795     ISO Abbreviation:  J Am Soc Echocardiogr     Publication Date:  2007 Apr 
Date Detail:
Created Date:  2007-04-02     Completed Date:  2007-06-05     Revised Date:  2007-11-02    
Medline Journal Info:
Nlm Unique ID:  8801388     Medline TA:  J Am Soc Echocardiogr     Country:  United States    
Other Details:
Languages:  eng     Pagination:  409-14     Citation Subset:  IM    
Department of Cardiology, University Hospital of Dijon, Dijon, France.
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MeSH Terms
Aorta, Thoracic / ultrasonography*
Aortic Aneurysm, Thoracic / physiopathology,  ultrasonography
Aortic Valve
Echocardiography, Transesophageal / methods*
Heart Catheterization
Heart Septum / ultrasonography*
Heart Valve Diseases / physiopathology,  ultrasonography
Myocardial Contraction / physiology
Prospective Studies
Pulmonary Wedge Pressure
Risk Factors
Severity of Illness Index
Ventricular Pressure / physiology
Video Recording

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