CN112384137A - 基于造影图像获取静息态下血管评定参数的方法及装置 - Google Patents

基于造影图像获取静息态下血管评定参数的方法及装置 Download PDF

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CN112384137A
CN112384137A CN201980040566.8A CN201980040566A CN112384137A CN 112384137 A CN112384137 A CN 112384137A CN 201980040566 A CN201980040566 A CN 201980040566A CN 112384137 A CN112384137 A CN 112384137A
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pressure
waveform
coronary artery
obtaining
blood vessel
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CN112384137B (zh
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霍云飞
刘广志
吴星云
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Suzhou Rainmed Medical Technology Co Ltd
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Abstract

一种基于造影图像获取静息态下血管评定参数的方法及装置。该基于造影图像获取静息态下血管评定参数的方法包括：获取静息态下，冠状动脉入口的实时压力Pa，得到时域下的Pa‑t压力波形(S100)；对造影态下冠状动脉二维造影图像中感兴趣的血管段进行三维建模，得到三维血管网格模型(S200)；获取三维血管网格模型的实时血流速度v，得到v‑t速度波形(S300)；换算得到静息态下的v静‑t速度波形；通过傅里叶变换和傅里叶逆变换，获取时域下的冠脉入口到冠脉狭窄远端的ΔP静‑t压力降波形；获取静息态下冠状动脉血管评定参数。该方法和装置实现了舒张期冠状动脉血管评定参数的测量；再通过傅里叶变换对干扰数据进行过滤，提高了冠状动脉血管评定参数测量的准确度。

Description

PCT国内申请，说明书已公开。

Claims (15)

  1. PCT国内申请，权利要求书已公开。
CN201980040566.8A 2018-11-13 2019-11-13 基于造影图像获取静息态下血管评定参数的方法及装置 Active CN112384137B (zh)

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Application Number Priority Date Filing Date Title
CN201811344074.1A CN111166316B (zh) 2018-11-13 2018-11-13 基于造影图像计算造影瞬时无波型比率和造影舒张期压力比率的方法
CN201811344060X 2018-11-13
CN2018113442817 2018-11-13
CN201811344281.7A CN111166317B (zh) 2018-11-13 2018-11-13 基于造影图像计算造影血流储备分数和静息态压力比值的方法
CN2018113440741 2018-11-13
CN201811344060.XA CN111166315B (zh) 2018-11-13 2018-11-13 基于造影图像计算瞬时无波型比率和静息态舒张期压力比率的方法
PCT/CN2019/118058 WO2020098705A1 (zh) 2018-11-13 2019-11-13 基于造影图像获取静息态下血管评定参数的方法及装置

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