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  • Scientific Scholar  (2)
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  • Scientific Scholar  (2)
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    Online Resource
    Online Resource
    Noninvasive Fractional Flow Reserve for the Diagnosis of Lesion-specific Ischemia: A Case Example
    Scientific Scholar ; 2015
    In:  Journal of Clinical Imaging Science Vol. 5 ( 2015-01-30), p. 3-
    Details
    In: Journal of Clinical Imaging Science, Scientific Scholar, Vol. 5 ( 2015-01-30), p. 3-
    Abstract: A physically active 52-year-old male with atypical chest pain was referred to our department. A coronary computed tomography angiography (CCTA) showed a stenotic plaque in the mid left anterior descending coronary artery (LAD). A rest–stress Rubidium-82 myocardial perfusion was normal. One year later the patient sustained a cardiac arrest and percutaneous coronary intervention of the mid-LAD was successfully performed. The original CCTA data were submitted for noninvasive determination of fractional flow reserve (FFR CT ) revealing an ischemia-producing lesion in the mid-LAD. This case demonstrates the inherent limitations of assessing lesion-specific ischemia. FFR CT shows promise as a new method for future selection of patients for coronary angiography.
    Type of Medium: Online Resource
    ISSN: 2156-7514
    URL: Article
    DOI: 10.4103/2156-7514.150443
    Language: English
    Publisher: Scientific Scholar
    Publication Date: 2015
    detail.hit.zdb_id: 2601233-9
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    Online Resource
  • 2
    Online Resource
    Online Resource
    Pressure Recovery in the Left Main Stenosis
    Scientific Scholar ; 2019
    In:  Journal of Clinical Imaging Science Vol. 9 ( 2019-08-02), p. 39-
    Details
    In: Journal of Clinical Imaging Science, Scientific Scholar, Vol. 9 ( 2019-08-02), p. 39-
    Abstract: A 76-year-old male patient with dyspnea was referred on a suspicion of coronary artery disease. A coronary computed tomography angiography (CTA) revealed a distal left main (LM) stenosis and in the right (right coronary artery [RCA]), left circumflex (LCX) and left anterior descending (LAD) coronary arteries stenosis could not be excluded. CTA-derived fractional flow reserve (FFRct) was 0.75, 0.72, 0.74, 0.86, and 0.94 in the LM, LAD, LCX, ramus, and RCA, respectively. Invasive coronary angiography confirmed a stenosis in the LM and LAD. FFR was 0.73 and 0.85 in the LCX and ramus, respectively. The patient was referred for coronary artery bypass surgery. The FFR and FFRct values in the ramus demonstrate the phenomenon of pressure recovery. This case shows that preserved FFR and FFRct cannot always be used to exclude the hemodynamic significance of upstream coronary lesions.
    Type of Medium: Online Resource
    ISSN: 2156-7514
    URL: Article
    DOI: 10.25259/JCIS_40_2019
    Language: English
    Publisher: Scientific Scholar
    Publication Date: 2019
    detail.hit.zdb_id: 2601233-9
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
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