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[Retinopathy of prematurity: an analysis of risk factors]
1Zentrum für Kinderheilkunde, Universitätsklinikum der Gesamthochschule Essen.
Insights
Premature infants with retinopathy experienced more hyperoxemia and hypocarbia, requiring surgical intervention more often than medical treatment. These clinical factors influenced disease severity in retinopathy of prematurity.
Area of Science:
- Neonatal Medicine
- Ophthalmology
- Pediatric Critical Care
Context:
- Retinopathy of prematurity (ROP) is a significant cause of visual impairment in premature infants.
- Understanding the clinical factors associated with ROP severity is crucial for early intervention and improved outcomes.
Purpose:
- To investigate the influence of various clinical factors on the severity of retinopathy of prematurity.
- To compare clinical characteristics of infants with ROP to those without the condition.
Summary:
- Infants with ROP showed significant differences in gestational age, mechanical ventilation duration, supplemental oxygen use, and episodes of acidosis and hypocarbia compared to controls.
- Higher incidences of hyperoxemia (PaO2 > 100 mmHg) and hypocarbia (PaCO2 < 35 mmHg) were observed in infants with ROP.
- Infants with ROP were more frequently treated with surgical ligation of a patent ductus arteriosus than with indomethacin.
Impact:
- Identifies key clinical factors associated with ROP severity, aiding in risk assessment and management.
- Highlights the need for careful monitoring of oxygenation and ventilation in premature infants at risk for ROP.
- Suggests potential differences in treatment approaches for associated conditions like patent ductus arteriosus in ROP patients.
Abstract:
In 29 infants with retinopathy of prematurity we retrospectively studied the influence of various clinical factors on the severity of the disease and compared this group of patients with controls without retinopathy. Infants presenting with different stages of retinopathy showed significant differences in gestational age, length of mechanical ventilation, additional supplemental oxygen, and the number of episodes of acidosis and hypocarbia. Compared with controls, hyperoxemia with paO2-levels above 100 mmHg and hypocarbia with pCO2-levels below 35 mmHg was more often observed in infants with retinopathy (p < 0.05, respectively p < 0.01). Besides, these infants were more often treated with surgical ligation of a patent ductus arteriosus than with indomethacin (p < 0.001). In our patients we were not able to assess the incidence and the severity of retinopathy of prematurity by calculation of risk scores or safety indices.