Preprocedural fractional flow reserve and microvascular resistance predict increased hyperaemic coronary flow after elective percutaneous coronary intervention
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- 作者：Tadashi Murai ; Yoshihisa Kanaji ; Taishi Yonetsu ; Tetsumin Lee ; Junji Matsuda ; Eisuke Usui ; Makoto Araki ; Takayuki Niida ; Mitsuaki Isobe and Tsunekazu Kakuta
- 刊名：Catheterization and Cardiovascular Interventions
- 出版年：2017
- 出版时间：February 1, 2017
- 年：2017
- 卷：89
- 期：2
- 页码：233-242
- 全文大小：390K
- ISSN：1522-726X
文摘
Epicardial focal coronary artery stenosis, diffuse coronary disease, and microvascular resistance (MR) may limit coronary flow. The purpose of percutaneous coronary intervention (PCI) is to increase coronary flow by targeting epicardial lesions. After PCI, MR might change and affect coronary flow. We investigated whether PCI influences MR using the index of microcirculatory resistance (IMR) and if pre-PCI fractional flow reserve (FFR) or MR predicts the post-PCI change in hyperaemic coronary flow.