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

被引：2
作者：
Tsugu, Toshimitsu [1 ]
Tanaka, Kaoru [1 ]
Nagatomo, Yuji [2 ]
De Maeseneer, Michel
de Mey, Johan
机构：
[1] Univ Ziekenhuis Brussel, Dept Radiol, Brussels, Belgium
[2] Natl Def Med Coll Hosp, Dept Cardiol, Tokorozawa, Japan
来源：
TURK KARDIYOLOJI DERNEGI ARSIVI-ARCHIVES OF THE TURKISH SOCIETY OF CARDIOLOGY | 2023年 / 51卷 / 02期
关键词：
Coronary computed tomography; funnel; pressure recovery; CORONARY; OVERESTIMATION; ANGIOGRAPHY; DYSFUNCTION; STENOSIS;
D O I：
10.5543/tkda.2022.02281
中图分类号：
R5 [内科学];
学科分类号：
1002 ; 100201 ;
摘要：
Computed tomography-derived fractional flow reserve decreases from the proximal to the dis-tal 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 ele-vation 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 phenom-enon, resulting in paradoxical computed tomography-derived fractional flow reserve changes.
引用
收藏
页码：146 / 150
页数：5
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