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Coarctation of the aorta corrected during the first month of life
1Killingbeck Hospital, Leeds.
Insights
Surgical correction for coarctation of the aorta in newborns offers survival benefits, but associated anomalies increase mortality risk. Long-term follow-up is crucial for managing potential recurrence and complications.
Area of Science:
- Pediatric Cardiology
- Congenital Heart Disease Surgery
- Neonatal Intensive Care
Background:
- Coarctation of the aorta is a critical congenital heart defect requiring early intervention.
- Patent ductus arteriosus frequently coexists with coarctation of the aorta in neonates.
- Surgical outcomes for coarctation of the aorta are influenced by associated anomalies.
Purpose of the Study:
- To evaluate the long-term outcomes of surgical correction for coarctation of the aorta in neonates.
- To identify factors influencing mortality and morbidity in this patient population.
- To assess the incidence of residual disability, systemic hypertension, and recurrent coarctation.
Main Methods:
- Retrospective review of 48 infants undergoing surgical correction for coarctation of the aorta within the first month of life.
- Analysis of mortality rates based on the presence and complexity of associated anomalies.
- Assessment of survivors for residual disability, systemic hypertension, and recurrent coarctation at a mean age of 6.6 years.
Main Results:
- Overall survival rate was 69% (33 out of 48 infants).
- Mortality was significantly higher in infants with complex associated anomalies.
- No survivors developed systemic hypertension; however, 18% required re-intervention for recurrent coarctation, and 21% showed recurrence.
- Two survivors (6%) had residual disability, with one being severely impaired.
Conclusions:
- Early surgical correction for coarctation of the aorta is vital for neonates.
- Medical management, including prostaglandin E2 infusion, is important for interim stabilization.
- Long-term surveillance is essential to monitor for systemic hypertension and recurrent coarctation, guiding timely re-intervention.
Abstract:
Forty eight children (29 boys) had surgical correction of coarctation of the aorta during the first month of life; all had patent ductus arteriosus. The 33 survivors were reviewed at a mean age of 6.6 years. Of the 19 children with no associated anomaly, none had died. The more complex the associated anomalies, the greater the mortality. Two (6%) of the survivors, both with associated anomalies, have some residual disability; one is incapable of leading an independent life. No survivor has systemic hypertension. Six (18%) of the survivors have required correction of recurrent coarctation, and one is awaiting repair. Newborn babies suspected of having coarctation should be assessed for surgical correction without delay, and medical treatment (including, if necessary, infusion of prostaglandin E2 in a dose of 0.025 micrograms/kg/minute) should be instituted in the interim. Long term follow up is important to detect systemic hypertension or recurrence of the coarctation. This occurred in seven (21%) of our survivors.