Related Experiment Video
Updated: Jul 6, 2026
06:55
Inverse Probability of Treatment Weighting (Propensity Score) using the Military Health System Data Repository and National Death Index
Published on: January 8, 2020
Heterogeneous but "standard" coding systems for adverse events: Issues in achieving interoperability between apples
Rachel L Richesson1, Kin Wah Fung, Jeffrey P Krischer
1University of South Florida College of Medicine, Tampa, FL, USA.
Contemporary Clinical Trials
|April 15, 2008
Summary
Monitoring adverse events (AEs) in clinical research requires robust data standards. This study compares MedDRA, SNOMED CT, and CTCAE, highlighting challenges in harmonizing these AE reporting systems for better interoperability.
Area of Science:
- Clinical research data standards
- Pharmacovigilance and drug safety
- Biomedical informatics
Background:
- Adverse event (AE) monitoring is critical in clinical research, necessitating standardized data representations.
- Existing AE data standards, including terminologies and classifications, possess diverse structures and features.
- Comparisons and harmonization strategies for AE data standards are complex due to inherent differences.
Purpose of the Study:
- To explore and compare three key data standards for representing adverse events: MedDRA, SNOMED CT, and CTCAE.
- To analyze the structural features, content, and UMLS relationships of each AE coding system.
- To identify unresolved issues impacting the future interoperability of these adverse event data standards.
Main Methods:
- Comparative analysis of the structural characteristics of MedDRA, SNOMED CT, and CTCAE.
- Evaluation of the content coverage and scope of each adverse event terminology and classification.
- Assessment of the integration and relationship of these standards with the Unified Medical Language System (UMLS).
Main Results:
- Detailed descriptions of the structural features of MedDRA, SNOMED CT, and CTCAE are provided.
- The content and relationships of these AE standards to the UMLS are elucidated.
- Key challenges and unsettled issues hindering the interoperability of these adverse event data standards are identified.
Conclusions:
- Understanding the distinct features of MedDRA, SNOMED CT, and CTCAE is essential for AE data standardization.
- Addressing identified issues is crucial for achieving future interoperability among adverse event reporting systems.
- Harmonization efforts require careful consideration of the structural and content differences in AE data standards.
Related Concept Videos
01:18Methods of Documentation I: Source-Oriented Records
Source-oriented records, or SOR, are medical record-keeping organized by the data source. The SOR system was first developed in the mid-1900s to organize the growing patient data in hospitals and other healthcare facilities.
In an SOR, each discipline involved in patient care maintains a separate medical record section. This record-keeping method enables easy tracking of patient progress and ensures healthcare staff have access to up-to-date information.
Key Attributes include the following:
In an SOR, each discipline involved in patient care maintains a separate medical record section. This record-keeping method enables easy tracking of patient progress and ensures healthcare staff have access to up-to-date information.
Key Attributes include the following:
01:30Health Information Technology and Healthcare Information System
Health Information Technology (HIT)
Health Information Technology, commonly called HIT, integrates advanced information systems and technology in healthcare settings. Its primary functions include:
Health Information Technology, commonly called HIT, integrates advanced information systems and technology in healthcare settings. Its primary functions include:
01:20Integrated Healthcare System
An integrated healthcare system (IHS) is a set of organizations that provides for or arranges to provide coordinated and continuous service to a defined population. The IHS takes responsibility for that particular population's health status and outcome, both clinically and fiscally. An integrated healthcare system is a well-organized, well-coordinated, and collaborative network. The integrated delivery system is a network that connects different healthcare providers to deliver organized,...
01:21Types of Reports II: Incident or Occurrence Report
An Incident or Occurrence Report in a healthcare setting is a crucial document used to record any unexpected occurrence that may or may not have affected a patient, employee, or visitor. Such reports are critical to improving patient safety and include all details leading up to and including the event.
Purposes:
In the healthcare industry, reports play a crucial role in documenting incidents within an agency. The primary objective of these reports is to ensure patient safety, uphold the...
Purposes:
In the healthcare industry, reports play a crucial role in documenting incidents within an agency. The primary objective of these reports is to ensure patient safety, uphold the...
01:30Methods of Documentation VII: EMR
Electronic Medical Records (EMRs) primarily center around electronically documenting patients' health information within a single healthcare organization or practice. They contain essential clinical data related to a patient's medical history, diagnoses, medications, treatment plans, lab results, and other pertinent information relevant to the specific encounter or episode of care. EMRs are designed to streamline documentation and workflow processes within individual healthcare settings,...
01:28Formats for Nursing Documentation
Nursing documentation encompasses various formats designed to capture precise patient data, facilitate communication among healthcare team members, and ensure comprehensive and accurate patient records. Let's explore each of these formats in detail:
Nursing Assessment Form:
• A nursing assessment form is a foundational document that captures detailed patient data from physical assessments and nursing histories.
• It includes patient demographics, medical history, current medications, vital...
Nursing Assessment Form:
• A nursing assessment form is a foundational document that captures detailed patient data from physical assessments and nursing histories.
• It includes patient demographics, medical history, current medications, vital...