Patient Radiation Scoring for Context-Aware Imaging Decisions
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Solution Overview
Problem
The overuse of diagnostic radiology leads to unnecessary radiation exposure and cancer risk, exacerbated by a lack of awareness and contextual information for providers and patients, and the inability to properly contextualize the amount of overuse in risk/benefit analysis.
Innovation Solution
A method for determining a patient radiation and diagnostic study score that provides right time, right place, and right format radiology information to assist providers in their medical decision-making, incorporating a radiologic scoring system that quantifies lifetime attributable risk and diagnostic study usage, using a database to track past radiologic tests and generate scores based on ionizing radiation, age adjustments, and recent study indicators.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If diagnostic radiology is used to improve diagnosis accuracy and patient safety, then diagnostic capability is improved, but radiation exposure and cancer risk increase
Solution Approach 1:
The system performs preliminary actions by calculating and storing radiation risk scores before each diagnostic study is ordered. The risk score is pre-computed based on patient demographics, medical history, and previous imaging studies, allowing providers to make informed decisions about whether the potential diagnostic benefit justifies the radiation exposure risk in advance.
Solution Approach 2:
The system provides feedback to providers by displaying the calculated radiation risk score alongside patient information when a diagnostic study is requested. This feedback mechanism enables providers to see the quantitative risk assessment and adjust their ordering decisions accordingly, balancing diagnostic needs against radiation exposure concerns.
2Loss of information
If radiation risk information is made more transparent to providers, then informed decision-making is improved, but system complexity increases
Solution Approach 1:
The system simplifies complexity by transforming multiple input parameters (age, sex, medical history, previous studies) into a single standardized radiation risk score. This parameter transformation approach maintains comprehensive risk assessment while presenting information in a simple, actionable format that providers can easily interpret and use in decision-making.
3Measurement precision
If radiation risk scores are calculated for all patients, then comprehensive risk assessment is improved, but computational resources and time increase
Solution Approach 1:
The system performs preliminary calculations by pre-computing risk scores based on static patient characteristics and storing them in the database. When a diagnostic study is requested, the system retrieves pre-stored values and performs only minimal additional calculations, significantly reducing real-time computational requirements while maintaining comprehensive risk assessment.
Data Source
AI summary
A method for determining a patient radiation and diagnostic study score associated with past diagnostic radiologic tests. In light of the obvious benefits of diagnostic radiology, the risks inherent in its use are often overlooked. Ionizing radiation, which is a component of much, but not all, diagnostic radiology, carries with it a small risk of inducing cancer every time it is used. The present method for determining a patient radiation and diagnostic study score provides right time, right place, and right format radiology information to assist providers in their medical decision-making. With greater awareness of recent study history, and individually contextualized risk and benefit considerations, providers are more likely to decrease their overall usage of diagnostic radiology and better counsel their patients on future risk.