Lesion Toggle Interface for Coronary Crosstalk Analysis
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Solution Overview
Problem
Existing software-based techniques for assessing vascular health during percutaneous coronary intervention (PCI) fail to accurately account for crosstalk effects between lesions, leading to inaccurate determination of which lesions to prioritize for revascularization.
Innovation Solution
A system and method that generates an adjustable lesion graph allowing medical professionals to null individual lesions via user interface elements, considering crosstalk effects to accurately determine vascular function indices, using angiographic images to create three-dimensional models of cardiac vessels and simulate lesion removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If existing software-based techniques are used to assess vascular health, then the assessment process is simple, but the accuracy of determining vascular function is poor due to failure to account for crosstalk effects between lesions
Solution Approach 1:
The system segments the vascular analysis by individually evaluating each lesion's impact on vascular function while accounting for crosstalk effects. The adjustable lesion graph allows separate manipulation and assessment of each lesion, enabling precise determination of individual lesion contributions to overall vascular health.
Solution Approach 2:
The system implements feedback mechanisms where nulling individual lesions updates the vascular function index in real-time, allowing the system to account for crosstalk effects between lesions. This iterative feedback process enables accurate assessment by continuously adjusting the vascular function calculation based on lesion configuration changes.
2Measurement precision
If a detailed adjustable lesion graph with multiple lesions is presented, then the accuracy of vascular health assessment is improved, but the ease of operation decreases due to multiple user interface elements
Solution Approach 1:
The user interface is segmented into individual controllable elements, with each lesion represented by its own toggle switch. This segmentation allows operators to independently control and assess each lesion's impact without being overwhelmed by complex interactions, maintaining ease of operation while preserving assessment accuracy.
Solution Approach 2:
The system provides dynamic interactivity where toggling individual lesions immediately updates the vascular function index and visual graph. This dynamic response allows operators to intuitively explore different lesion configurations and understand crosstalk effects through real-time visual feedback, making the complex assessment process more manageable.
3Measurement precision
If crosstalk effects between lesions are considered, then the accuracy of revascularization prioritization is improved, but the computational complexity and processing time increase
Solution Approach 1:
The system performs preliminary computations to pre-calculate and store the impact of each lesion on vascular function, including crosstalk effects. This preliminary action allows the system to quickly assess different lesion configurations during interaction without performing complex calculations in real-time, reducing processing time while maintaining accuracy.
Solution Approach 2:
The system computes and displays detailed information about each individual lesion's impact, including potential excessive detail about crosstalk effects. This partial focus on individual lesion analysis rather than requiring complete global optimization allows for accurate prioritization while reducing computational burden compared to exhaustive analysis of all possible lesion combinations.
Data Source
AI summary
Systems and methods for enhanced user interface and crosstalk analysis for cardiac index determination. An example method includes accessing a cardiac model of a portion of a patient's heart, the portion including one or more vessels of the patient's heart, and the cardiac model indicating a plurality of lesions along a length of at least one of the vessels; obtaining, based on the cardiac model for the lesions, respective positions along the length for which the lesions are associated with index drops, wherein the index drops are with respect to an index indicative of vascular function; and causing presentation of a user interface, wherein the user interface: presents a graph mapping the length to the index indicative of vascular function, presents individual toggles enabling nulling of individual lesions, and updates the graph in response to received user input to one or more of the toggles, wherein the user input nulls effects of one or more lesions.