Titlebook: Atlas of FFR-Guided Percutaneous Coronary Interventions; Tommaso Gori,Massimo Fineschi Book 2016 Springer International Publishing AG 2016

破譯密碼

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Fabrizio Furano,Aandy HanushevskyThis chapter describes the repeatability of FFR assessments using IC and IV infusions of Adenosine. Further, it demonstrates that is possible to assess FFR with a diagnostic catheter.

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,The,, 1955–58: Liberalism Restored?,Instantaneous wave free ratio (iFR) may be a viable alternative to FFR. iFR is a novel measurement of the hemodynamic relevance of coronary lesions which doesn’t require the use of hyperemic agents.

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https://doi.org/10.1007/978-3-8349-6127-3This case describes the importance of FFR in determining stent length in diffusely diseased vessels. Furthermore it highlights the importance of FFR in a vessel with a culprit lesion and additional angiographically intermediate lesions.

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Another Easy one: This Time in the Other DirectionA simple representative case of FFR in a focal stenosis which, however, does not induce an FFR blunting below 0.80. The existence of a gradient is confirmed at pullback.

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A False-Positive FFR: Drift and Failure to Equalize may cause Troubles!The results of FFR measurements determine further therapies. Therefore it is important that all steps necessary to obtain correct data are respected. We show the effect of an incorrect equalization.

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Decision-Making in a Long Lesion: Full Metal Jacket or Spot Stenting?This is a case of a long and diffuse diseased and tortuous vessel in which FFR was evaluated before and after implantation of a short stent. FFR helped identify the most serious lesion to be treated, “downgrading” a planned full-metal jacket procedure to a simpler and safer spot stenting.