Examkin

Soru

Zorluk: ZorPatient Safety and Quality Improvement

An internal medicine resident is cross-covering patients on the inpatient psychiatric ward overnight. A 68-year-old woman, who was recently admitted for a severe depressive episode and is maintained on fluoxetine, develops dysuria and suprapubic pain. Urinalysis suggests a urinary tract infection. Without thoroughly reviewing the patient's home medication list or awaiting culture results, the resident prescribes empiric linezolid due to a recent unit outbreak of vancomycin-resistant enterococcus (VRE). The following day, the patient develops altered mental status, autonomic instability, and neuromuscular hyperactivity. A subsequent root cause analysis identifies that the electronic health record (EHR) did not adequately flag the severe drug-drug interaction between the newly prescribed antibiotic and the patient's home antidepressant. Which of the following proposed quality improvement interventions represents the most reliable system-level safeguard to prevent recurrence of this specific error?

  1. Integrating a computerized provider order entry constraint that blocks the issuance of linezolid for patients with active selective serotonin reuptake inhibitor prescriptions unless a pharmacist provides an override codeCevap
  2. B
    Modifying the electronic health record interface to display a brightly colored, flashing banner highlighting all home medications when a provider opens the antibiotic order screen
  3. C
    Requiring all cross-covering residents to complete a mandatory training module on the risks of serotonin syndrome and appropriate antibiotic stewardship
  4. D
    Implementing a weekly pharmacy audit of all broad-spectrum antibiotic orders placed on the psychiatric unit to ensure targeted, narrow-spectrum therapy is utilized
  5. E
    Creating a hospital policy that mandates a formal verbal handoff detailing all high-risk psychotropic medications before the night shift begins

Cevap

Integrating a computerized provider order entry constraint that blocks the issuance of linezolid for patients with active selective serotonin reuptake inhibitor prescriptions unless a pharmacist provides an override code.
In human factors engineering and the hierarchy of intervention reliability, 'forcing functions' (hard stops) are the most effective system-level safeguards. A computerized constraint that requires a pharmacist override physically or digitally disrupts the pathway to error, making it significantly more reliable than education, policies, or visual alerts, which all rely on fallible human vigilance.

Adım Adım Çözüm

1
Analyze the clinical error described in the vignette.
A patient on fluoxetine (an SSRI) was prescribed linezolid (an antibiotic with MAOI properties), resulting in serotonin syndrome. The root cause was identified as a failure of the EHR to adequately flag the severe interaction.
Understanding the mechanism of the error is required to select an appropriate preventative intervention.
2
Evaluate the proposed interventions against the human factors engineering 'hierarchy of reliability'.
The hierarchy ranks interventions from strongest to weakest: Forcing functions > Automation > Standardization > Checklists > Rules/Policies > Education.
Quality improvement science dictates that systems should be designed to make it easy to do the right thing and hard to do the wrong thing.
3
Identify the option that represents the highest tier on the hierarchy.
A computerized hard stop that physically prevents the prescription without an override is a 'forcing function' and represents the strongest systemic safeguard.
Forcing functions do not rely on human memory, vigilance, or compliance, making them the most reliable way to prevent recurrence of a specific error.

Anahtar Kavram

Hierarchy of Intervention Effectiveness in Patient Safety
Bu soruyu puanla

Konular

Patient Safety and Quality Improvement

Bu konudan daha fazla soru