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ECG-triggered non-contrast-enhanced MR angiography (TRANCE) versus digital subtraction angiography (DSA) in patients with peripheral arterial occlusive disease of the lower extremities.

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Title: ECG-triggered non-contrast-enhanced MR angiography (TRANCE) versus digital subtraction angiography (DSA) in patients with peripheral arterial occlusive disease of the lower extremities.
Authors: Gutzeit A (AUTHOR), Sutter R (AUTHOR), Froehlich JM (AUTHOR), Roos JE (AUTHOR), Sautter T (AUTHOR), Schoch E (AUTHOR), Giger B (AUTHOR), Wyss M (AUTHOR), Graf N (AUTHOR), von Weymarn C (AUTHOR), Jenelten R (AUTHOR), Binkert CA (AUTHOR), Hergan K (AUTHOR), Gutzeit, Andreas1 (AUTHOR), Sutter, Reto (AUTHOR), Froehlich, Johannes M (AUTHOR), Roos, Justus E (AUTHOR), Sautter, Thomas (AUTHOR), Schoch, Erik (AUTHOR), Giger, Barbara (AUTHOR)
Source: European Radiology. Sep2011, Vol. 21 Issue 9, p1979-1987. 9p.
Abstract: Objective: To prospectively determine the diagnostic value of electrocardiography-triggered non-contrast-enhanced magnetic resonance angiography (TRANCE) of the lower extremities including the feet versus DSA.Methods: All 43 patients with symptomatic peripheral arterial occlusive disease (PAOD) underwent TRANCE before DSA. Quality of MRA vessel depiction was rated by two independent radiologists on a 3-point scale. Arterial segments were graded for stenoses using a 4-point scale (grade 1: no stenosis; grade 2: moderate stenosis; grade 3: severe stenosis; grade 4: occlusion). Findings were compared with those of DSA.Results: In the 731 vessel segments analysed, intra-arterial DSA revealed 283 stenoses: 33.6% moderate, 16.6% severe and 49.8% occlusions. TRANCE yielded a mean sensitivity, specificity, positive and negative predictive value and diagnostic accuracy to detect severe stenoses or occlusions of 95.6%, 97.4%, 87.2%, 99.2%, 97.1% for the thigh segments and 95.2%, 87.5%, 83.2%, 96.6%, 90.5% for the calf segments. Excellent overall image quality was observed for TRANCE in 91.4% versus 95.7% (DSA) for the thigh and in 60.7% versus 91.0% for the calves, while diagnostic quality of the pedal arteries was rated as insufficient.Conclusion: TRANCE achieves high diagnostic accuracy in the thigh and calf regions, whereas the pedal arteries showed limited quality. [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: ECG-triggered non-contrast-enhanced MR angiography (TRANCE) versus digital subtraction angiography (DSA) in patients with peripheral arterial occlusive disease of the lower extremities.
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  Data: <searchLink fieldCode="AR" term="%22Gutzeit+A%22">Gutzeit A</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sutter+R%22">Sutter R</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Froehlich+JM%22">Froehlich JM</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Roos+JE%22">Roos JE</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sautter+T%22">Sautter T</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Schoch+E%22">Schoch E</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Giger+B%22">Giger B</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wyss+M%22">Wyss M</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Graf+N%22">Graf N</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22von+Weymarn+C%22">von Weymarn C</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jenelten+R%22">Jenelten R</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Binkert+CA%22">Binkert CA</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hergan+K%22">Hergan K</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gutzeit%2C+Andreas%22">Gutzeit, Andreas</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sutter%2C+Reto%22">Sutter, Reto</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Froehlich%2C+Johannes+M%22">Froehlich, Johannes M</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Roos%2C+Justus+E%22">Roos, Justus E</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sautter%2C+Thomas%22">Sautter, Thomas</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Schoch%2C+Erik%22">Schoch, Erik</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Giger%2C+Barbara%22">Giger, Barbara</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22European+Radiology%22">European Radiology</searchLink>. Sep2011, Vol. 21 Issue 9, p1979-1987. 9p.
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  Data: <bold>Objective: </bold>To prospectively determine the diagnostic value of electrocardiography-triggered non-contrast-enhanced magnetic resonance angiography (TRANCE) of the lower extremities including the feet versus DSA.<bold>Methods: </bold>All 43 patients with symptomatic peripheral arterial occlusive disease (PAOD) underwent TRANCE before DSA. Quality of MRA vessel depiction was rated by two independent radiologists on a 3-point scale. Arterial segments were graded for stenoses using a 4-point scale (grade 1: no stenosis; grade 2: moderate stenosis; grade 3: severe stenosis; grade 4: occlusion). Findings were compared with those of DSA.<bold>Results: </bold>In the 731 vessel segments analysed, intra-arterial DSA revealed 283 stenoses: 33.6% moderate, 16.6% severe and 49.8% occlusions. TRANCE yielded a mean sensitivity, specificity, positive and negative predictive value and diagnostic accuracy to detect severe stenoses or occlusions of 95.6%, 97.4%, 87.2%, 99.2%, 97.1% for the thigh segments and 95.2%, 87.5%, 83.2%, 96.6%, 90.5% for the calf segments. Excellent overall image quality was observed for TRANCE in 91.4% versus 95.7% (DSA) for the thigh and in 60.7% versus 91.0% for the calves, while diagnostic quality of the pedal arteries was rated as insufficient.<bold>Conclusion: </bold>TRANCE achieves high diagnostic accuracy in the thigh and calf regions, whereas the pedal arteries showed limited quality. [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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