| Transesophageal color Doppler flow mapping of iatrogenic left-to-right interatrial shunting after percutaneous transluminal mitral valvotomy. | |
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MedLine Citation:
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PMID: 10149276 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Characteristics of transesophageal color Doppler flow mapping of iatrogenic left-to-right interatrial shunts were assessed in 58 patients, 1 to 994 days after percutaneous transluminal mitral valvotomy. Transesophageal color Doppler flow mapping detected 22 cases of interatrial shunt whereas transthoracic two-dimensional echocardiography visualized only five interatrial septal defects. Five types of color Doppler flow patterns of interatrial shunts were found: type 1, a bluish jet passing through the interatrial septum into the right atrium with a small bluish proximal flow in the left atrium (50%); type 2, a bluish jet passing through the interatrial septum into the right atrium without a proximal flow (13.6%); type 3, a predominant bluish proximal flow in the left atrium passing through the interatrial septum with minimal flow entering into the right atrium (18.2%); type 4, an "en face" bluish jet in the right atrium (4.5%); and type 5, a "wall jet" with proximal flow adhering to and entering into the interatrial septum (13.6%). Oximetry demonstrated increased pulmonary-to-systemic flow ratio (range 1.07 to 3.32) in 11 patients (50%), which was significantly correlated with the maximal jet area derived from color Doppler flow mapping (r = 0.80, P = 0.001). Thus, transesophageal color Doppler flow mapping is useful in detection of left-to-right interatrial shunts after percutaneous transluminal mitral valvotomy, and recognition of the variable types of color flow mapping may further help identify these atypical interatrial shunts. |
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Authors:
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C H Chen; S L Lin; W H Yin; J Y Liou; T L Hsu; C T Ting; M S Chang; B N Chiang |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Echocardiography (Mount Kisco, N.Y.) Volume: 8 ISSN: 0742-2822 ISO Abbreviation: Echocardiography Publication Date: 1991 Nov |
Date Detail:
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Created Date: 1992-08-27 Completed Date: 1992-08-27 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 8511187 Medline TA: Echocardiography Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 649-56 Citation Subset: T |
Affiliation:
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Department of Medicine, Veterans General Hospital-Taipei and National Yang Ming Medical College, Taiwan, Republic of China. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Balloon Dilatation / methods* Echocardiography, Doppler / methods* Evaluation Studies as Topic Female Heart Septal Defects, Atrial / ultrasonography Humans Male Matched-Pair Analysis Middle Aged Mitral Valve Stenosis / therapy* |
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