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Novel physiological insight into a lotus root appearance in stable coronary artery diseases; Report of two cases

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Abstract

So far physiological significance of multiple intraluminal channels separated by thin wall structures, so called “a lotus root appearance”, in an angiographic insignificant lesion in patients with suspected angina pectoris has remained undetermined. Here we present two cases that showed a “reverse visual-functional mismatch” phenomenon of a lotus root appearance using the indexes of myocardial fractional flow reserve and/or coronary flow velocity reserve. Our findings may provide a novel physiological insight into a lotus root appearance as a high possibility of critical functional stenosis in those with stable coronary artery diseases.

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Acknowledgments

We are deeply indebted to Tetsuya Takeda, RT and Tatsushi Iwamoto, RT for their expert assistance in the preparation of figures. This research received no grant from any funding agency in the public, commercial or not-for-profit sectors.

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The authors declare that there is no conflict of interest.

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Authors and Affiliations

  1. Department of Cardiovascular Medicine, Sakakibara Heart Institute, 3-16-1 Asahi, Fuchu, Tokyo, 183-0003, Japan

    Makoto Suzuki, Atsushi Seki, Kei Nishikawa, Itaru Takamisawa, Tetsuya Tobaru & Tetsuya Sumiyoshi

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  1. Makoto Suzuki
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  2. Atsushi Seki
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  3. Kei Nishikawa
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  4. Itaru Takamisawa
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  5. Tetsuya Tobaru
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  6. Tetsuya Sumiyoshi
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Correspondence to Makoto Suzuki.

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Suzuki, M., Seki, A., Nishikawa, K. et al. Novel physiological insight into a lotus root appearance in stable coronary artery diseases; Report of two cases. Cardiovasc Interv and Ther 31, 128–130 (2016). https://doi.org/10.1007/s12928-015-0325-5

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  • DOI: https://doi.org/10.1007/s12928-015-0325-5

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