CPPS study materials
CPPS study resources

Retained Sponge After Emergency Laparotomy: RCA, Action Hierarchy, and Disclosure

CPPS · Put your knowledge to work in context.

All case studies

Retained Sponge After Emergency Laparotomy: RCA, Action Hierarchy, and Disclosure

At 2:10 a.m. on a Saturday, a 62-year-old woman underwent an emergency laparotomy at a 400-bed teaching hospital. The sponge count was documented as correct, but both counts were performed by the same circulating nurse because the second circulator had been pulled to another case. The surgeon closed with a sponge count of 'correct.' Three weeks later the patient returned with abdominal pain and imaging showed a retained radiopaque sponge. The hospital uses both radiopaque and non-radiopaque sponges; the non-radiopaque type was in the room. No intraoperative X-ray was obtained. The incident report was filed 18 hours later. The nursing director wants to suspend the circulator; the surgeon says the count is nursing's responsibility; the risk manager wants a root cause analysis. The patient has not yet been told.

1. Outline the RCA. What would you examine, and how would you avoid turning it into an individual blame session?

Read the worked answer

Scope: retained surgical item after emergency laparotomy; include pre-op, intra-op, closing, PACU, and post-op detection.

Timeline and contributors:

  • Staffing: the second circulator was pulled; two counts were done by the same nurse. Was two-person counting policy or custom? What did the relief process look like?
  • Count process: counts at opening, before closure, and at skin closure. Was the count reported as correct because it was rushed or because the sponge was not visible? Were counts documented contemporaneously?
  • Materials: both radiopaque and non-radiopaque sponges were in the room. Why? Who decides which sponge type is stocked?
  • Environment: 2:10 a.m., emergency case, interruptions, noise, handoffs.
  • Detection: no intraoperative X-ray. What is the policy for complicated or emergency cases? Was an X-ray considered?
  • Reporting: an 18-hour delay. What does that say about psychological safety?
  • Culture: the nursing director wants suspension; the surgeon deflects to nursing. Both are blame signals.

Method: use a trained facilitator; separate fact-finding from action planning; interview the circulator with support, not discipline; include a frontline nurse and a surgeon; use a contributing-factors diagram. Ask 'what made this the sensible thing to do at the time?' Do not ask 'who failed?'

Output: a system map, not a single root cause. A retained item is a system failure with multiple defenses that did not hold.

2. Select actions using the hierarchy of effectiveness. Which are strong, which are weak, and how would you measure sustainment?

Read the worked answer

Strong actions (implement first):

  1. Eliminate non-radiopaque sponges from ORs where feasible, or require radiopaque sponges for all open cases. This removes the detection failure.
  2. Standardized, forced count process: two-person count with independent verification, no exceptions. If a second circulator is unavailable, the count stops until one is present. Make it a hard stop, not a custom.
  3. Sponge tracking technology (barcode or RFID) if feasible; at minimum, a sponge board with explicit reconciliation.
  4. Intraoperative X-ray protocol for emergency cases, cases with count discrepancies, and high-risk cavities; define who orders and who reads it before closure.

Medium: 5. Checklist or briefing at timeout that names the count plan and sponge type. 6. Staffing contingency plan for relief during counts.

Weak: education, a memo, 'be more careful,' or individual suspension. These do not change the trap and can suppress reporting.

Measurement: count compliance audits (two-person, contemporaneous), retained-item events per 10,000 cases, X-ray protocol adherence for trigger cases, staff-reported ability to stop the line, and near-miss reports. Use run charts and annotate changes. Sustainment: monthly audit for 12 months, then quarterly; add to the OR governance scorecard.

Reasoning: the strongest actions make the error impossible or detectable; weaker actions rely on memory and vigilance.

3. Address the professional and ethical obligations: the circulator, the surgeon, the patient and family, and external reporting. What does just culture require here?

Read the worked answer

Patient and family: disclose promptly, in person, with the surgeon and a nurse leader; apologize; explain what happened, the treatment, and what will change. Do not wait for the RCA to finish. Offer a point of contact and support. This is an ethical duty and, in many jurisdictions, a regulatory expectation.

Circulator: separate support from accountability. Just culture asks whether this was human error, at-risk behavior, or reckless behavior. Two counts by one nurse under a relief shortage is likely at-risk behavior shaped by the system. Provide support, avoid suspension pending facts, and protect the nurse from retaliation. If the nurse falsified the count, that is a different accountability process; investigate before labeling.

Surgeon: the count is a team responsibility, not nursing's alone. Engage the surgeon in the RCA and the X-ray protocol. Avoid a public blamestorm; use peer review.

External reporting: follow hospital policy and applicable requirements, such as sentinel-event reporting, state licensing, or CMS. The risk manager should determine reporting duties; do not conceal.

Just culture: hold the system accountable for the conditions and individuals accountable for reckless choices. The RCA should produce system actions, not a single scapegoat.

Professional engagement: the patient safety officer's duty is to speak up to leadership if the response becomes retaliatory. Document the rationale for decisions.