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Published on: February 16, 2011
A model of medical error based on a model of disease: interactions between adverse events, failures, and their errors
Robert A McNutt1, Richard I Abrams
1Rush Medical College, Department of Medicine's Patient Safety Committee, Rush-Presbyterian-St. Luke's Medical Center, Chicago, Illinois, USA.
Abstract:
This article discusses Rush-Presbyterian-St. Luke's Medical Center's approach to assessing and preventing errors in care and promoting patient safety. The word error is applied to all kinds of events, including adverse occurrences, negligence, and malpractice. Thus confusion exists among those analyzing the causes of adverse events. A patient safety committee standardized the definition of medical error and developed a taxonomy for error as a prelude to efforts at error reduction. It identified three levels or layers that can represent a train of events culminating in an undesired outcome: error, treatment failure, and adverse event. This discussion is offered in the interest of clarifying some of the issues.
Insights
Rush-Presbyterian-St. Luke's Medical Center improved patient safety by defining medical error and creating a taxonomy. This framework clarifies the relationship between errors, treatment failures, and adverse events for better error reduction.
Area of Science:
- Healthcare Quality
- Patient Safety Research
- Medical Error Analysis
Background:
- The term "error" in healthcare is broadly applied, encompassing adverse events, negligence, and malpractice.
- This ambiguity complicates the analysis of adverse event causes.
- A need exists for standardized definitions to improve patient safety initiatives.
Purpose of the Study:
- To outline Rush-Presbyterian-St. Luke's Medical Center's strategy for assessing and preventing medical errors.
- To promote enhanced patient safety within a healthcare setting.
- To clarify the distinctions between different types of negative patient outcomes.
Main Methods:
- Formation of a patient safety committee.
- Standardization of the definition of medical error.
- Development of a taxonomy for classifying errors.
Main Results:
- A three-level taxonomy was established: error, treatment failure, and adverse event.
- This classification system provides a framework for understanding the sequence of events leading to adverse outcomes.
- The standardized definitions aim to reduce confusion in error analysis.
Conclusions:
- Standardizing the definition of medical error is crucial for effective error reduction strategies.
- A clear taxonomy aids in differentiating between error, treatment failure, and adverse events.
- This approach facilitates a more systematic and accurate analysis of patient safety issues.
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