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Question

Difficulty: HardPatient Safety and Quality Improvement

A 62-year-old woman is admitted to the intensive care unit for management of severe acute pancreatitis. She is receiving continuous enteral nutrition via a nasogastric tube and broad-spectrum intravenous antibiotics via a central venous catheter. During a shift change, a newly hired nurse inadvertently connects an enteral feeding syringe containing 50 mL of formula to the port of the central venous catheter and administers the dose intravenously. The patient rapidly develops acute respiratory distress syndrome and hemodynamic instability, requiring emergent endotracheal intubation. The patient is stabilized after aggressive resuscitation. A multidisciplinary committee is convened to review the incident. Which of the following is the most effective strategy to prevent this type of adverse event from recurring in this hospital?

  1. Replace all current enteral feeding equipment with standardized connectors that are physically incompatible with intravenous portsAnswer
  2. B
    Require two independent healthcare providers to trace and verify all tubing from the source to the patient before administration
  3. C
    Institute a mandatory hospital-wide educational module on line safety and proper tubing connections for all clinical staff
  4. D
    Suspend the involved nurse pending completion of a formal root cause analysis to emphasize the severity of the error
  5. E
    Implement a policy requiring clinical staff to document the verification of line placement in the electronic health record at the start of every shift

Answer

Replace all current enteral feeding equipment with standardized connectors that are physically incompatible with intravenous ports
The most effective quality improvement interventions are those that rely the least on human action, memory, or vigilance. The 'Hierarchy of Effectiveness' ranks system-level changes from strongest to weakest. At the top are forcing functions (hard stops or physical constraints). Replacing standard tubing with equipment that is physically impossible to connect to an intravenous port (such as ENFit connectors) is a forcing function. It makes the specific error mechanically impossible, regardless of fatigue, lack of training, or stress. This is vastly superior to administrative controls or educational interventions.

Step-by-Step Solution

1
Analyze the adverse event described in the vignette.
A severe tubing misconnection error occurred where enteral nutrition was administered intravenously.
Understanding the mechanism of the error is required to select the appropriate preventive intervention.
2
Identify the goal of the question.
Select the 'most effective' strategy to prevent recurrence.
Quality improvement interventions vary widely in their reliability and effectiveness.
3
Apply the quality improvement Hierarchy of Effectiveness to the available options.
Physical constraints (forcing functions) rank at the top, followed by automation, standardization, checklists/double-checks, rules/policies, and finally education at the bottom.
Interventions that do not rely on human memory or vigilance are inherently more reliable.
4
Evaluate the choices based on the hierarchy.
Standardized incompatible connectors act as a physical forcing function, making the error mechanically impossible.
This is structurally superior to rules, double-checks, education, or punitive measures.

Key Concept

Hierarchy of Intervention Effectiveness in Quality Improvement
Estimated Time:1m 15s
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Topics

Patient Safety and Quality Improvement

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