Dual Contrast Agent Combination for Imaging Diagnostics
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Solution Overview
Problem
Current imaging diagnostics for chronic diseases, particularly cardiovascular and tumor diseases, face challenges in specificity, leading to high costs, patient strain, and delayed therapy initiation due to the need for multiple examinations with different modalities and contrast agents, which often result in false positives and inadequate early diagnosis.
Innovation Solution
The combination of extracellular contrast agents (ECCM) and lesion-specific contrast agents (LSCM) is used simultaneously or with a short time delay, allowing for improved interpolation of imaging signals to enhance diagnostic sensitivity and specificity, reducing false positives and enabling high-resolution imaging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple imaging examinations with different modalities and contrast agents are performed to improve diagnostic reliability, then diagnostic accuracy is improved, but examination time, cost, and patient strain increase
Solution Approach 1:
The patent combines multiple contrast agents with different imaging properties into a single dual-contrast agent composition that can be administered simultaneously. This merging approach allows both contrast agents to work together in one examination procedure, eliminating the need for separate examinations while maintaining diagnostic accuracy.
Solution Approach 2:
The dual-contrast agent composition serves multiple imaging modalities simultaneously (e.g., MRI and CT). The composition includes contrast agents that provide functionality for different imaging techniques, allowing a single examination to fulfill multiple diagnostic purposes that previously required separate procedures.
2Reliability
If multiple imaging examinations are performed to improve diagnostic reliability, then diagnostic accuracy is improved, but cost and patient strain increase
Solution Approach 1:
By merging multiple contrast agents into one composition, the patent reduces the number of separate examinations needed. This consolidation decreases the cumulative cost of multiple contrast agent administrations, procedure fees, and facility usage, while maintaining the diagnostic accuracy that would otherwise require multiple separate examinations.
3Measurement precision
If multiple separate examinations are performed to assess suspect lesions, then diagnostic specificity is improved, but the ability to correlate lesions across examinations is difficult
Solution Approach 1:
The simultaneous administration of multiple contrast agents in one examination allows for direct spatial and temporal correlation of lesions across different imaging modalities. Since both contrast agents are present in the same examination context, lesions can be correlated more easily without the information loss that occurs when trying to match findings from separate examinations taken at different times.
4Measurement precision
If MRI with contrast agents is used to detect minor irregularities, then sensitivity is improved, but specificity decreases leading to false positives
Solution Approach 1:
The patent uses contrast agents with different pharmacokinetic and imaging properties that highlight different tissue characteristics. By combining contrast agents that have complementary strengths, the examination maintains high sensitivity for detecting minor irregularities while improving specificity through the combined information from multiple contrast mechanisms, reducing false positives.
Data Source
AI summary
The present invention relates to the use of a combination of several contrast agents having different properties with respect to imaging representation.