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Maternal Newborn Health
문제

A nurse is caring for a premature infant born at 28 weeks gestation who is at risk for retinopathy of prematurity (ROP). Which assessment finding would be most concerning and require immediate intervention?

해설
Sudden apnea and bradycardia during feeding in a premature infant at risk for ROP may indicate systemic instability or advanced ROP requiring immediate intervention. Other findings are expected or manageable with standard care.
같은 주제 다음 문제A nurse is assessing a 28-week gestational age preterm infant who is now 6 weeks old. Whic…

심화 해설

Clinical Reasoning and Priority Setting

The correct answer is Sudden onset of apnea and bradycardia during feeding. In the context of a premature infant at risk for retinopathy of prematurity (ROP), this finding represents an acute, life-threatening change in cardiorespiratory status that requires immediate intervention. While ROP is a serious condition and a leading cause of preventable childhood blindness in very preterm infants , the nurse’s immediate priority must always follow the ABC (Airway, Breathing, Circulation) framework. A sudden apneic event with bradycardia signals a critical compromise in oxygenation and perfusion, which can lead to hypoxic brain injury if not promptly addressed.

Analysis of the Correct Answer
Sudden apnea and bradycardia in a preterm infant are never normal findings. These episodes can be triggered by immature central respiratory control, feeding-related vagal stimulation, or underlying pathology such as sepsis or increased intracranial pressure. The immediate nursing intervention involves tactile stimulation to re-initiate breathing, airway management, and, if unresolved, positive pressure ventilation. This directly addresses the immediate threat to life, which takes precedence over the ongoing risk management for ROP.

Analysis of Incorrect Answers


  1. Oxygen saturation consistently maintained at 88-92%: This is not a concerning finding; it is the standard target range for oxygen therapy in premature infants to minimize the risk of ROP while ensuring adequate tissue oxygenation. The development of ROP is strongly linked to unregulated oxygen exposure and fluctuations in oxygen saturation. Therefore, maintaining saturations within a controlled, lower target range is a key preventive strategy, not a sign of acute deterioration.



  2. Weight gain of 15 grams per day over the past week: This is an expected and positive finding. Adequate nutrition and consistent weight gain are crucial for the overall growth and neurodevelopment of preterm infants. This finding indicates that the infant’s nutritional plan is effective and does not require immediate intervention.



  3. Mild jaundice with bilirubin level of 8 mg/dL: In a preterm infant, a bilirubin level of 8 mg/dL represents mild, physiologic jaundice. While it requires monitoring, it is not an acute emergency. The threshold for intervention, such as phototherapy, is significantly higher and is determined by gestational age, birth weight, and postnatal hours. This finding does not indicate an immediate threat to the airway, breathing, or circulation.



Connecting ROP Risk to Nursing Priorities
The provided consensus statement highlights that ROP affects a substantial proportion of very preterm infants, making standardized screening and prevention protocols essential . A core component of this prevention is meticulous oxygen management. However, the management of ROP can also involve procedures that carry their own respiratory risks. For instance, one study focused on reducing the need for elective endotracheal intubation for laser photocoagulation by implementing a deep sedation guideline with noninvasive ventilation . This underscores that even during definitive treatment for ROP, the primary nursing concern remains the maintenance of a stable airway and effective respiration. The question tests your ability to distinguish between a known chronic risk (ROP) that requires ongoing monitoring and an acute physiologic event (apnea/bradycardia) that demands an instantaneous, lifesaving response. The sudden cessation of breathing is a failure of the most fundamental vital function and must be corrected before any other assessment or intervention related to ROP can be considered.

임상 시나리오

Clinical Practice Guide: Apnea & Bradycardia in the Preterm Infant

Immediate Intervention Protocol:

  • Stimulation: Gently flick the soles of the feet or rub the infant's back. Avoid vigorous shaking.
  • Airway Management: Position the infant supine with the neck in a neutral "sniffing" position. Suction the nares and oropharynx if secretions are present.
  • Breathing Support: If apnea persists despite stimulation, initiate positive pressure ventilation (PPV) with a bag-valve-mask device using room air or blended oxygen to avoid hyperoxia.
  • Circulation Assessment: Monitor heart rate response. If bradycardia persists below 60 bpm despite adequate ventilation, initiate chest compressions per neonatal resuscitation guidelines.

Post-Event Evaluation:

  • Assess for underlying triggers: feeding intolerance, temperature instability, sepsis, or intraventricular hemorrhage.
  • Review feeding method: If episodes are feeding-related, consider slower flow nipples, smaller, more frequent feedings, or nasogastric tube supplementation.
  • Continuous cardiorespiratory monitoring and pulse oximetry are essential for all infants with a history of apnea of prematurity.

ROP Risk Management Context:

  • Maintain oxygen saturation targets precisely at 88-92% using servo-controlled oxygen delivery systems to prevent hyperoxic injury to developing retinal vessels.
  • Ensure all preterm infants born at less than 30 weeks gestation or with a birth weight under 1500 grams receive an initial ROP screening exam by an ophthalmologist at 31 weeks postmenstrual age or 4 weeks after birth, whichever is later.

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