Clinical Report Summarization via NLP and ML Endpoint Prediction

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Solution Overview

Problem

Healthcare practitioners face challenges in efficiently summarizing and reviewing voluminous clinical reports, which are often time-consuming and prone to errors due to the need for manual processing and lack of direct access to critical information.

Innovation Solution

A system and method that converts clinical reports into structured objects using natural language processing, validates clinical endpoints, and employs machine learning to assess and visualize key information points, such as diagnoses or treatment recommendations, within a predetermined timeframe, reducing overhead and error margins.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If manual review of clinical reports is performed, then comprehensive understanding of patient data is achieved, but time consumption and workload increase significantly

Engineering Contradiction:
Improvecomprehensive understandingVSAvoidtime consumption
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent introduces an intermediary system comprising NLP processors and machine learning models that act as a mediator between raw clinical reports and healthcare practitioners. This intermediary automatically extracts, structures, and summarizes critical information from unstructured reports, providing practitioners with curated key findings without requiring manual review of entire documents, thus reducing time consumption while maintaining comprehensive understanding

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent segments clinical reports into distinct structured components such as patient demographics, clinical findings, diagnostic results, and treatment recommendations. By dividing the continuous text into discrete, categorized segments that can be independently processed and analyzed, the system enables efficient information retrieval and reduces the time practitioners need to spend reviewing complete reports

Inventive Principle:
Principle #1Segmentation

2Ease of operation

If structured reports with predetermined templates are used, then data organization and accessibility are improved, but flexibility and error margins increase

Engineering Contradiction:
Improvedata accessibilityVSAvoiderror margins
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent implements feedback mechanisms where the system continuously learns from practitioner interactions with structured reports. Machine learning models analyze correction patterns and user behavior to automatically refine extraction accuracy and adjust structuring parameters, thereby reducing errors while maintaining the benefits of organized data presentation

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent employs dynamic structuring where report templates and classification schemes can adapt based on the specific clinical context, data type, and institutional requirements. This dynamic approach allows the system to maintain rigid structuring for standard reports while flexibly handling novel or complex cases, reducing errors without sacrificing accessibility

Inventive Principle:
Principle #15Dynamics

3Productivity

If natural language processing is applied to convert dictated narrative to structured documents, then direct access to information is enabled, but overhead and error margins increase

Engineering Contradiction:
Improveinformation access speedVSAvoiderror margins
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The patent applies preliminary action by pre-training NLP models on extensive clinical datasets before deployment. The system performs preliminary extraction, validation, and structuring of information from dictated narratives, so that when practitioners need information, it is already processed and organized, enabling fast access while reducing errors through pre-validated processing

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent replaces manual mechanical processing of clinical narratives with automated NLP and machine learning systems. These intelligent systems use linguistic patterns and clinical knowledge to accurately interpret and structure dictated narratives, achieving both fast information access and reduced error margins compared to manual conversion methods

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS11636933B2Summarization of clinical documents with end points thereof
Publication Date: 2023.04.25 KONINKLIJKE PHILIPS NV
  • US11636933B2 patent drawing
  • US11636933B2 patent drawing
  • US11636933B2 patent drawing

AI summary

A system (100) includes an end point prediction engine (150) that predicts an end point (302) using a machine learning model (132) and one or more clinical report objects (152) for a patient, wherein the machine learning model inputs the one or more clinical report objects and outputs the predicted end point according to phrases or n-grams in the one or more clinical report objects. An end point visualization interface (160) visualizes the predicted end point (302) using a scorecard (162) or a timeline (164). An end point modeling engine (130) generates the machine learning model from training data that includes validated end points (122) and clinical report objects (116).