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    Preventing human errors in healthcare

    Human error is a determining factor in 70% to 80% of industrial accidents, as well as in a large percentage of errors and adverse events experienced in healthcare. In fact, it’s a commonly held belief in some healthcare settings that human error represents the root cause of many adverse events.

    Human error in healthcare settings occurs because of several factors:

    1. The vast amount of new research and recommendations that are regularly released.  In 2010, a new journal article was published to the National Library of Medicine every 40 seconds, and it’s likely that rate has grown over the past few years. No healthcare provider, regardless of dedication, can find the time to keep current with the vast amount of new science that should influence care decisions.

    1. Clinical care is delivered as part of a complex-adaptive system that is composed of many tightly coupled microsystems.  Some safety gurus have proposed that errors will inevitably occur when care is delivered under such conditions. This conclusion is based upon the notion that modifications in one microsystem, typically made in the name of efficiency or good practice, will expose vulnerabilities in other microsystems that will compromise the delivery of safe care. 

    1. Human beings are highly susceptible to cognitive biases that adversely affect our ability to solve problems accurately and reliably. We also exhibit significant limitations in our working memory that make us prone to error due to factors such as distraction, stress and sleep deprivation.

    Addressing the issue

    MazzaMazzaHealthcare professionals clearly manifest the desire to prevent errors and adverse events, and to mitigate their effects when they occur. To do this, they must understand why these events transpired in the first place. 

    In this regard, event-reporting systems are critical tools. They enable healthcare professionals to identify and catalogue the contributing factors that lead to incidents, and frequently detail with great accuracy why they occurred without the requirement of the time and expense of a more formal root-cause analysis.

    When captured in a structured taxonomy, incidents can be aggregated and prioritized for performance improvement.  Because errors and adverse events occur relatively frequently in healthcare, no organization can afford to maintain resources that target them all for improvement at one time.  But organizations can efficiently and effectively learn and improve through prioritization of their efforts following review of their data. 

    The majority of organizations target their most serious incidents for immediate attention. Events that lead to severe and/or permanent injury or death are typically underscored in an effort to prevent them from ever happening again. But recurrent errors that have the potential to do harm must also be prioritized for attention and process improvement.  After all, whether an incident ultimately results in a near miss or an event of harm leading to a patient’s death is frequently a matter of a provider’s thoughtful vigilance, the resilience of the human body in resisting catastrophic consequences from the event, or sheer luck.

    Next: Must-have elements


    Frank Mazza
    Frank Mazza, MD, chief medical officer, Quantros, is a physician by training (pulmonary, critical care and sleep disorders), and still ...


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