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Difficulty: MediumPatient Safety and Quality Improvement

A 64-year-old woman is admitted to the hospital with severe community-acquired pneumonia. She is empirically started on intravenous vancomycin and piperacillin-tazobactam. On hospital day 3, her sputum culture grows *Streptococcus pneumoniae* that is susceptible to penicillin and ceftriaxone. Despite these results being reported in the electronic health record (EHR), the primary team continues the broad-spectrum regimen for 5 additional days. The patient subsequently develops a *Clostridioides difficile* infection, resulting in a prolonged hospital stay.

During a case review, the primary team states they saw the culture results but continued the empiric regimen because the patient was 'improving and it felt safer not to change course.' The hospital's quality improvement committee is tasked with designing an intervention to ensure timely antibiotic de-escalation for future patients.

According to the hierarchy of intervention effectiveness, which of the following represents the strongest system-level change to prevent this type of error?

  1. A
    Mandating that all internal medicine physicians complete a targeted educational module on interpreting microbiology culture results.
  2. B
    Requiring providers to document their specific rationale for continuing broad-spectrum antibiotics in a mandatory free-text field within the daily progress note.
  3. Configuring the electronic health record to automatically discontinue empiric broad-spectrum antibiotic orders at 72 hours, requiring a new order to proceed.Answer
  4. D
    Implementing a punitive policy that issues formal written reprimands to providers who fail to narrow antibiotic therapy within 48 hours of finalized culture results.
  5. E
    Establishing a standardized protocol that advises maintaining empiric broad-spectrum antibiotics for the entire hospital stay if the patient demonstrates rapid clinical improvement.

Answer

Configuring the electronic health record to automatically discontinue empiric broad-spectrum antibiotic orders at 72 hours, requiring a new order to proceed.
The most effective way to prevent medical errors is through system-level changes that do not rely on human memory or vigilance. According to the hierarchy of intervention effectiveness, 'forcing functions' and 'automation' are the strongest interventions. Configuring the electronic health record (EHR) to automatically discontinue empiric broad-spectrum antibiotics after 72 hours is a forcing function. It physically prevents the continuation of the inappropriate therapy by default, requiring the physician to actively cognitively engage and write a new order if continuation is truly justified.

Step-by-Step Solution

1
Analyze the adverse event and the root cause.
The team experienced a cognitive error (anchoring on the initial treatment plan) and failed to de-escalate antibiotics despite clear culture data, leading to a preventable C. difficile infection.
Understanding the mechanism of the error is required to select an appropriate system-level intervention.
2
Evaluate the goal of the quality improvement committee.
The committee seeks the strongest system-level change based on the hierarchy of intervention effectiveness.
Different interventions have varying levels of reliability in preventing medical errors.
3
Compare the proposed interventions against the hierarchy of effectiveness.
Automation and forcing functions (e.g., EHR hard stops) are at the top of the hierarchy. Education, training, and punitive policies are at the bottom.
Strong interventions remove reliance on human memory and physically or systematically prevent the error from reaching the patient.

Key Concept

Hierarchy of Intervention Effectiveness in Human Factors Engineering
Estimated Time:1m 0s
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Topics

Patient Safety and Quality Improvement

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