Hemodynamic fast planning method for personalized coronary artery bypass graft surgery

A hemodynamic and coronary technology, used in surgery, medical science, diagnosis, etc., can solve the problems of time-consuming and indirect, and achieve the effect of reducing costs

Inactive Publication Date: 2014-10-29
BEIJING UNIV OF TECH
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  • Abstract
  • Description
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Problems solved by technology

[0004] Aiming at the invasive, indirect, and time-consuming problems existing in the existing methods for evaluating coronary artery planning, the present invention proposes a rapid hemodynamic planning method for personalized coronary artery bypass surgery

Method used

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  • Hemodynamic fast planning method for personalized coronary artery bypass graft surgery
  • Hemodynamic fast planning method for personalized coronary artery bypass graft surgery
  • Hemodynamic fast planning method for personalized coronary artery bypass graft surgery

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Embodiment Construction

[0017] The overall flow chart of the coronary surgery planning method of the present invention is as follows image 3 shown. It mainly includes the acquisition and entry of the patient's physiological parameters, the establishment of a personalized cardiovascular system centralized parameter model, the SYNTAX score, the calculation of the FFR of each stenosis, the evaluation of the indications for bypass surgery, the selection of different bypass methods, and the evaluation of coronary competition flow. The detailed implementation process is as follows:

[0018] Step 1. According to the patient's coronary angiogram and the patient's physiological parameters, obtain the required basic information, including age, gender, heart rate, blood pressure, position of coronary artery stenosis, degree of stenosis, etc. These basic information will have an impact on the patient's preoperative prediction important influence.

[0019] Step 2, according to the information obtained in the p...

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Abstract

The invention relates to a hemodynamic fast planning method for personalized coronary artery bypass graft surgery. According to the method, a personalized coronary artery lumped parameter model is built according to information of a patient, the coronary artery fractional flow reserve for reflecting coronary artery functional diseases is calculated, the surgery indication is evaluated, and in combination with SYNTAX grading of anatomic disease extension, the evaluation is used as the comprehensive evaluation basis for selecting a coronary artery bypass graft surgery strategy. A bypass graft scheme is selected on the premise of adaptation and involves the bypass graft blood vessel number, the bypass graft position, the transfer catheter type and the like. The personalized lumped parameter model is calculated, and postoperative coronary artery flow and pressure changes and postoperative bypass graft blood vessel parameters are obtained. According to the average wall shear stress, the wall shear stress oscillation index and the competitive flow degree, the long-term permeability of the transfer catheter of the scheme is analyzed. The long-term permeability of transfer catheters in different bypass graft schemes is compared, and the best bypass graft scheme is obtained. The hemodynamic fast planning method solves the problems that an existing method is invasive, indirect, long in consumed time and the like.

Description

technical field [0001] The invention relates to the evaluation and planning of coronary artery bypass surgery. According to the anatomical structure of the patient's coronary artery, a personalized centralized parameter model is established, and the coronary artery bypass surgery method is simulated as comprehensively as possible. According to the hemodynamic calculation results, the treatment options were compared. Background technique [0002] Coronary artery bypass grafting (CABG) is one of the main methods used to treat coronary heart disease. The most important clinical complication is the failure of the graft, and its permeability depends on many factors, among which the influence of hemodynamics is directly related to the result of the operation. In clinical practice, hemodynamic factors such as wall shear stress (WSS) and wall shear stress oscillatory index (OSI) have a great relationship with the long-term effectiveness of coronary artery bypass grafting. [0003...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B19/00
Inventor 刘有军赵夕王文馨李兰兰
Owner BEIJING UNIV OF TECH
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