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Erschienen in: Cardiovascular Intervention and Therapeutics 3/2018

03.07.2017 | Original Article

Frequency of a large drift caused by pressure wire using optical fibers

verfasst von: Yoshiaki Kawase, Toru Tanigaki, Akihiro Hirakawa, Hiroyuki Omori, Tetsuo Hirata, Syuuichi Okamoto, Hideaki Ota, Jun Kikuchi, Munenori Okubo, Hiroki Kamiya, Masanori Kawasaki, Takahiko Suzuki, Hitoshi Matsuo

Erschienen in: Cardiovascular Intervention and Therapeutics | Ausgabe 3/2018

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Abstract

The frequency of a large pressure signal drift (PDs) caused by pressure wire using optical fibers and its effect on fractional flow reserve (FFR)-based decision-making is not clear. We used pressure wires using optical fibers as “workhorse wires” for 95 consecutive lesions. The wire was normalized at the tip of the guiding catheter just before performing the percutaneous coronary intervention (PCI) and was used without re-normalization until the end of the PCI. The drift value at the end of the procedures was evaluated. Four per cent (n = 4) of patients showed a large drift (PD >3 mmHg). Classification discordance between read-out and PD-corrected FFR values was detected in 8 (8%) measurements in total. The decision changed from FFR ≤0.80 to >0.80 in 7 (7%) measurements and vice versa in 1 (1%) measurement. PD showed no effect on decision-making when the FFR read-out value was <0.78 or >0.82. The frequency of large drifts caused by pressure wires using optical fibers was 4%. However, no case showed decision changes when the FFR gray zone was considered.
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Metadaten
Titel
Frequency of a large drift caused by pressure wire using optical fibers
verfasst von
Yoshiaki Kawase
Toru Tanigaki
Akihiro Hirakawa
Hiroyuki Omori
Tetsuo Hirata
Syuuichi Okamoto
Hideaki Ota
Jun Kikuchi
Munenori Okubo
Hiroki Kamiya
Masanori Kawasaki
Takahiko Suzuki
Hitoshi Matsuo
Publikationsdatum
03.07.2017
Verlag
Springer Japan
Erschienen in
Cardiovascular Intervention and Therapeutics / Ausgabe 3/2018
Print ISSN: 1868-4300
Elektronische ISSN: 1868-4297
DOI
https://doi.org/10.1007/s12928-017-0481-x

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