Complication of high flow oxygen in pre-term babies?

JIPMER Nursing Officer - 2020

Child Health Nursing (Pediatrics)

Easy

Appeared in: JIPMER Nursing Officer - 2020

Explanation

Retrolental fibroplasia, now more commonly known as Retinopathy of Prematurity (ROP), is a vasoproliferative disorder of the retina that is a well-known complication of high oxygen therapy in preterm infants.
The pathophysiology involves a two-phase process: initial high oxygen levels cause retinal vasoconstriction and halt normal vessel growth.
Subsequently, a relative state of hypoxia triggers the abnormal proliferation of fragile new blood vessels (neovascularization), leading to fibrosis and potential retinal detachment.
This makes Retrolental fibroplasia the direct and primary complication among the choices provided.

Option A: Acidosis is a disturbance in the body's acid-base balance. It is not a direct result of hyperoxia (high oxygen); rather, it is more commonly associated with hypoxia (low oxygen), sepsis, or metabolic disorders.
Option C: Retinal detachment is a severe, late-stage consequence of Retinopathy of Prematurity, not the initial disease process itself. The primary condition is the abnormal vessel growth (fibroplasia).
Option D: Blindness is the most severe potential outcome or end-stage result of untreated or progressive Retinopathy of Prematurity, often following retinal detachment. It is not the primary complication.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Complications of hyperoxia in premature infants, specifically Retinopathy of Prematurity (ROP) as background academic context rather than a clinical decision trigger.
The primary nursing responsibility in preventing ROP is the meticulous monitoring and titration of oxygen therapy to maintain SpO₂ levels within the narrow target range prescribed by the neonatologist.
Nurses play a crucial role in coordinating and ensuring that at-risk infants undergo scheduled ophthalmology screenings, as early detection and treatment (e.g., laser therapy, anti-VEGF injections) can prevent blindness.
What if? If a preterm infant requires prolonged high-concentration oxygen for a condition like severe Bronchopulmonary Dysplasia (BPD), the risk for ROP is significantly increased. The nurse must collaborate closely with the medical team to balance the infant's respiratory needs against the risk of eye damage, making SpO₂ targets and eye exams even more critical.

How to Approach the Question

First, identify the key clinical scenario in the question: a 'pre-term baby' receiving 'high flow oxygen'.
Next, recall the specific complications associated with oxygen toxicity in this vulnerable population, focusing on the immaturity of their organ systems, particularly the eyes.
Evaluate the given options. 'Retrolental fibroplasia' is the specific medical term for the eye disease caused by hyperoxia in premature infants.
Differentiate the primary pathological condition from its potential consequences. 'Retinal detachment' and 'blindness' are severe outcomes that result from the initial fibroplasia, making them less precise answers to a question about the direct complication.
Eliminate 'Acidosis' as it is related to different physiological disturbances (like hypoxia or metabolic issues), not hyperoxia.
Conclude that 'Retrolental fibroplasia' is the most accurate answer describing the initial disease process.

Concept Tested & Keywords

Concept Tested: Complications of hyperoxia in premature infants, specifically Retinopathy of Prematurity (ROP).
Stem keywords: complication, high flow oxygen, pre-term babies
Lead-in keywords: BEST, MOST RELEVANT CLUE
Negative lead-in flag: false

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E6 Obstetrics Williams p. 28-48

E6 Pathology- ROBBINS & COTRAN PATHOLOGIC BASIS OF DISEASE 10TH Ed p. 465-467