ISSN 1016-5169 | E-ISSN 1308-4488
pdf
Paradoxical Computed Tomography-Derived Fractional Flow Reserve Changes Due to Vessel Morphology and Constituents [Turk Kardiyol Dern Ars]
Turk Kardiyol Dern Ars. 2023; 51(2): 146-150 | DOI: 10.5543/tkda.2022.02281

Paradoxical Computed Tomography-Derived Fractional Flow Reserve Changes Due to Vessel Morphology and Constituents

Toshimitsu Tsugu1, Kaoru Tanaka1, Yuji Nagatomo2, Michel De Maeseneer1, Johan de Mey1
1Department of Radiology, Universitair Ziekenhuis Brussel, Brussels, Belgium
2Department of Cardiology, National Defense Medical College Hospital, Tokorozawa, Japan

Computed tomography-derived fractional flow reserve decreases from the proximal to the distal with coronary stenosis. According to the principles of fluid dynamics, paradoxical computed tomography-derived fractional flow reserve changes require an unconventional vessel mor-phology and specific site of the vessels with a high driving force. Therefore, only a few articles have reported a paradoxical increase of computed tomography-derived fractional flow reserve. We present a case report of marked computed tomography-derived fractional flow reserve elevation in the middle left anterior descending artery with a severe coronary stenosis. Computed tomography-derived fractional flow reserve was 0.94 just proximal to the stenotic lesion and decreased to 0.65 at the maximum stenosis area but recovered to 0.80 in the distal segment. We speculated that the vessel morphology could have caused a pressure recovery phenomenon, resulting in paradoxical computed tomography-derived fractional flow reserve changes.

Keywords: Coronary computed tomography, funnel, pressure recovery

How to cite this article
Toshimitsu Tsugu, Kaoru Tanaka, Yuji Nagatomo, Michel De Maeseneer, Johan de Mey. Paradoxical Computed Tomography-Derived Fractional Flow Reserve Changes Due to Vessel Morphology and Constituents. Turk Kardiyol Dern Ars. 2023; 51(2): 146-150

Corresponding Author: Toshimitsu Tsugu, Belgium
Manuscript Language: English


Journal Metrics

Journal Citation Indicator: 0.18
CiteScore: 1.1
Source Normalized Impact
per Paper:
0.22
SCImago Journal Rank: 0.348

Quick Search



Copyright © 2024 Archives of the Turkish Society of Cardiology



Kare Publishing is a subsidiary of Kare Media.