How a System for Reporting Medical Errors Can and Cannot Improve Patient Safety

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Abstract
The Institute of Medicine has recommended systems for reporting medical errors. This article discusses the necessary components of patient safety databases, steps for implementing patient safety reporting systems, what systems can do, what they cannot do, and motivations for physician participation. An ideal system captures adverse events, when care harms patients, and near misses, when errors occur without any harm. Near misses signal system weaknesses and, because harm did not occur, may provide insight into solutions. With an integrated system, medical errors can be linked to patient and team characteristics. Confidentiality and ease of use are important incentives in reporting. Confidentiality is preferred to anonymity to allow follow-up. Analysis and feedback are critical. Reporting systems need to be linked to organizational leaders who can act on the conclusions of reports. The use of statistics is limited by the absence of reliable numerators and denominators. Solutions should focus on changing the cultural environment. Patient safety reporting systems can help bring to light, monitor, and correct systems of care that produces medical errors. They are useful components of the patient safety and quality improvement initiatives of healthcare systems and they warrant involvement by physicians.