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

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Title: Correctness of multi-detector-row computed tomography for diagnosing mechanical prosthetic heart valve disorders using operative findings as a gold standard.
Authors: Tsai IC (AUTHOR), Lin YK (AUTHOR), Chang Y (AUTHOR), Fu YC (AUTHOR), Wang CC (AUTHOR), Hsieh SR (AUTHOR), Wei HJ (AUTHOR), Tsai HW (AUTHOR), Jan SL (AUTHOR), Wang KY (AUTHOR), Chen MC (AUTHOR), Chen CC (AUTHOR), Tsai, I-Chen1 (AUTHOR), Lin, Yung-Kai (AUTHOR), Chang, Yen (AUTHOR), Fu, Yun-Ching (AUTHOR), Wang, Chung-Chi (AUTHOR), Hsieh, Shih-Rong (AUTHOR), Wei, Hao-Ji (AUTHOR), Tsai, Hung-Wen (AUTHOR)
Source: European Radiology. Apr2009, Vol. 19 Issue 4, p857-867. 11p.
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. [ABSTRACT FROM AUTHOR]
Copyright of European Radiology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Correctness of multi-detector-row computed tomography for diagnosing mechanical prosthetic heart valve disorders using operative findings as a gold standard.
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  Data: <searchLink fieldCode="AR" term="%22Tsai+IC%22">Tsai IC</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lin+YK%22">Lin YK</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chang+Y%22">Chang Y</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fu+YC%22">Fu YC</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang+CC%22">Wang CC</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hsieh+SR%22">Hsieh SR</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wei+HJ%22">Wei HJ</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tsai+HW%22">Tsai HW</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jan+SL%22">Jan SL</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang+KY%22">Wang KY</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen+MC%22">Chen MC</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen+CC%22">Chen CC</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tsai%2C+I-Chen%22">Tsai, I-Chen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lin%2C+Yung-Kai%22">Lin, Yung-Kai</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chang%2C+Yen%22">Chang, Yen</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fu%2C+Yun-Ching%22">Fu, Yun-Ching</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Chung-Chi%22">Wang, Chung-Chi</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hsieh%2C+Shih-Rong%22">Hsieh, Shih-Rong</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wei%2C+Hao-Ji%22">Wei, Hao-Ji</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tsai%2C+Hung-Wen%22">Tsai, Hung-Wen</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22European+Radiology%22">European Radiology</searchLink>. Apr2009, Vol. 19 Issue 4, p857-867. 11p.
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: 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. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of European Radiology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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