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Fundamentals
문제

A nurse is caring for a patient scheduled for orthopedic surgery in 2 hours. During the preoperative assessment, the nurse discovers that the patient ate a full breakfast 3 hours ago. What is the most appropriate nursing action?

해설
Immediate notification of the surgeon and anesthesiologist is required because NPO violation increases aspiration risk during anesthesia. Other actions could compromise patient safety without team consultation.
같은 주제 다음 문제A nurse is assessing a patient 24 hours after abdominal surgery. Which assessment finding …

심화 해설

Understanding the Clinical Priority

The discovery that a patient scheduled for surgery has recently eaten a full meal is a critical patient safety event. The primary concern is pulmonary aspiration of gastric contents, a severe complication where stomach acid and food particles enter the lungs, leading to pneumonitis, airway obstruction, and potentially death. This risk is directly tied to the loss of protective airway reflexes under general anesthesia. The foundational guidelines for scrutinizing surgical and anesthetic deaths highlight that mortality can be defined as a death occurring within 24 hours of anesthesia administration, often stemming from such immediate complications [1].

Analyzing the Answer Choices

* Option 1: Document the finding and proceed with the scheduled surgery as planned. This action is negligent. Proceeding with a non-emergent surgery in a patient with a full stomach violates the standard of care for preoperative safety. The risk of aspiration pneumonitis, a recognized cause of anesthesia-related mortality, is unacceptably high [1]. Documentation alone does not mitigate the physiological risk.

* Option 2: Administer a prokinetic agent to accelerate gastric emptying before surgery. This is not a safe or evidence-based primary intervention in this acute setting. While pharmacological prophylaxis for postoperative nausea and vomiting (PONV) is a well-studied area, it targets a different mechanism . Prokinetic agents increase the rate of gastric emptying but cannot guarantee the stomach is completely empty of solid food particles in a short timeframe. This approach does not provide the certainty required to safely proceed with anesthesia and surgery.

* Option 3: Immediately notify the surgeon and anesthesiologist about the patient's food intake. This is the most appropriate action. The presence of food in the stomach represents a significant alteration in the patient's preoperative status. The anesthesiologist, who is the expert in airway management and aspiration risk mitigation, must be informed immediately to make a critical decision. This decision may involve delaying the surgery for a sufficient fasting period (typically 6-8 hours for a heavy meal) or, if the surgery is urgent, proceeding with a rapid sequence induction to minimize the aspiration window. The surgeon must also be notified as this directly impacts the surgical schedule and plan. This communication is a cornerstone of perioperative safety protocols.

* Option 4: Delay the surgery by 2 hours and then proceed with the operation. A nurse cannot unilaterally alter the surgical schedule. More importantly, a 2-hour delay is physiologically insufficient for gastric emptying of a solid meal. Standard preoperative fasting guidelines require significantly longer periods to reduce gastric volume and acidity. Proceeding after an arbitrary short delay does not resolve the safety risk and exposes the patient to the same danger of aspiration.

The Pathophysiology of Risk and the Anesthesia Provider's Role

The danger of a full stomach before surgery is not merely a matter of discomfort but a direct threat to life. Anesthetic agents, including those used for sedation and paralysis, obtund the upper airway reflexes (coughing and swallowing) that normally protect the trachea. If a patient regurgitates or vomits, the inactive protective mechanisms allow gastric contents to be aspirated into the lungs. This can cause a chemical pneumonitis known as Mendelson's syndrome. The review of surgical mortality underscores that anesthetic-related factors are a key component in perioperative deaths, and aspiration is a classic and preventable example of such a factor [1]. While much of the safety literature focuses on high-risk populations like pediatric patients, the fundamental principle of minimizing aspiration risk through appropriate fasting status is universal across all age groups . The network meta-analysis on PONV prophylaxis further reinforces the complexity of managing gastric and airway interactions, showing that a vast array of pharmacological interventions exist to manage nausea, yet none are a substitute for an empty stomach when it comes to preventing aspiration of solid matter . The immediate notification of the anesthesia provider is the only action that allows for a proper, individualized risk assessment and the implementation of a safe anesthetic plan.
References (research sources)
  • [1]
    Guidelines for Scrutiny of Death Associated With Surgery and Anesthesia.GuidelineMostafa HE, Alaa El-Din EA, Albaz AAA, Abdel Moawed DM. (2024) · DOI: 10.7759/cureus.70841

임상 시나리오

Clinical Practice Guide: Preoperative Patient with Recent Food Intake
Immediate Nursing Actions
  • Hold the Procedure: Do not allow the patient to proceed to the operating room. The risk of pulmonary aspiration of gastric contents under anesthesia is a life-threatening emergency.
  • Notify the Team: Immediately inform the surgeon and the anesthesiologist of the exact time and content of the meal. This is a critical patient safety event requiring a collaborative decision.
  • Document Thoroughly: Record the patient's statement of intake, the time of discovery, the providers notified, and the resulting orders in the medical record.
Rationale for Action
  • Aspiration Pneumonitis: General anesthesia abolishes protective airway reflexes, allowing regurgitated acidic stomach contents to enter the lungs, causing chemical pneumonitis (Mendelson's syndrome), airway obstruction, and potentially death.
  • Gastric Emptying Time: Solid food requires significantly longer than 2-4 hours for gastric emptying. A full breakfast 3 hours prior presents an unacceptably high-risk, non-emergent status.
  • Nursing Responsibility: The nurse is the final safety check. Proceeding without disclosure violates the standard of care and places the patient in direct harm's way.
Collaborative Decision-Making
  • Surgeon/Anesthesiologist Role: The responsible providers will determine the new plan of care, which may include delaying the surgery for 6-8 hours or more, or proceeding with a rapid sequence induction if the surgery is deemed an emergency.
  • Patient Education: Explain to the patient calmly that the delay is a critical safety measure to protect their lungs during anesthesia, not a punitive action.

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