A hospital quality improvement committee is conducting a root cause analysis following a sentinel event in which a patient received an inadvertent intrathecal administration of intravenous vincristine, resulting in a fatal outcome. The committee is brainstorming corrective actions to prevent this error from recurring. To prioritize these interventions effectively, the committee must classify them according to the Institute for Safe Medication Practices (ISMP) hierarchy of effectiveness. Match each proposed corrective action on the left with its correct classification in the hierarchy of intervention effectiveness on the right.
- Redesigning syringe tips and catheter hubs so that intravenous syringes are physically incompatible with spinal needles.Forcing function: A strong intervention that makes the incorrect action physically impossible to perform.
- Removing all vincristine stock from unit automated dispensing cabinets and requiring all doses to be dispensed directly from the central pharmacy.System constraint: A strong intervention that creates a barrier to separate the user from the hazard, though it does not physically prevent the action.
- Implementing an electronic health record pop-up that requires the prescriber to acknowledge a route-specific warning before signing the order.Warning/Alert: An intermediate administrative control that relies on the user noticing and appropriately responding to a prompt.
- Mandating that all oncology personnel complete a new annual competency module on safe chemotherapy administration protocols.Education/Policy: A weak administrative control that relies entirely on human memory, vigilance, and individual compliance.
Answer
The correct matches align physical syringe redesigns with forcing functions, central pharmacy access barriers with system constraints, electronic order prompts with warnings, and personnel training with educational controls.
In the hierarchy of corrective actions following a root cause analysis, strong interventions (forcing functions, system constraints) modify the physical environment to prevent errors or separate users from hazards, making them independent of human vigilance. Intermediate interventions (warnings, alerts, checklists) enhance detection but can be bypassed or ignored due to fatigue. Weak interventions (education, policies, double-checks) rely solely on human memory and compliance, which frequently fail in high-stress clinical environments.
Step-by-Step Solution
Key Concept
Hierarchy of Intervention Effectiveness in Patient Safety