Correctness of multi-detector-row computed tomography for diagnosing mechanical prosthetic heart valve disorders using operative findings as a gold standard View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2009-04

AUTHORS

I-Chen Tsai, Yung-Kai Lin, Yen Chang, Yun-Ching Fu, Chung-Chi Wang, Shih-Rong Hsieh, Hao-Ji Wei, Hung-Wen Tsai, Sheng-Ling Jan, Kuo-Yang Wang, Min-Chi Chen, Clayton Chi-Chang Chen

ABSTRACT

The purpose was to compare the findings of multi-detector computed tomography (MDCT) in prosthetic valve disorders using the operative findings as a gold standard. In a 3-year period, we prospectively enrolled 25 patients with 31 prosthetic heart valves. MDCT and transthoracic echocardiography (TTE) were done to evaluate pannus formation, prosthetic valve dysfunction, suture loosening (paravalvular leak) and pseudoaneurysm formation. Patients indicated for surgery received an operation within 1 week. The MDCT findings were compared with the operative findings. One patient with a Björk-Shiley valve could not be evaluated by MDCT due to a severe beam-hardening artifact; thus, the exclusion rate for MDCT was 3.2% (1/31). Prosthetic valve disorders were suspected in 12 patients by either MDCT or TTE. Six patients received an operation that included three redo aortic valve replacements, two redo mitral replacements and one Amplatzer ductal occluder occlusion of a mitral paravalvular leak. The concordance of MDCT for diagnosing and localizing prosthetic valve disorders and the surgical findings was 100%. Except for images impaired by severe beam-hardening artifacts, MDCT provides excellent delineation of prosthetic valve disorders. More... »

PAGES

857-867

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s00330-008-1232-2

DOI

http://dx.doi.org/10.1007/s00330-008-1232-2

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1028204967

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/19037643


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curl -H 'Accept: application/ld+json' 'https://scigraph.springernature.com/pub.10.1007/s00330-008-1232-2'

N-Triples is a line-based linked data format ideal for batch operations.

curl -H 'Accept: application/n-triples' 'https://scigraph.springernature.com/pub.10.1007/s00330-008-1232-2'

Turtle is a human-readable linked data format.

curl -H 'Accept: text/turtle' 'https://scigraph.springernature.com/pub.10.1007/s00330-008-1232-2'

RDF/XML is a standard XML format for linked data.

curl -H 'Accept: application/rdf+xml' 'https://scigraph.springernature.com/pub.10.1007/s00330-008-1232-2'


 

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