Neonatal Med.  2016 Nov;23(4):190-197. 10.5385/nm.2016.23.4.190.

Survival of the Infants with Bronchopulmonary Dysplasia and Congenital Heart Disease

Affiliations
  • 1Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea. amyjys@naver.com

Abstract

PURPOSE
Pulmonary hypertension is a known risk factor for mortality in preterm infants with bronchopulmonary dysplasia. However, mortality in patients with bronchopulmonary dysplasia and congenital heart disease has been poorly investigated. Therefore, we conducted an investigation into the mortality and risk factors in these patients.
METHODS
We reviewed the records of 45 preterm infants who were diagnosed with bronchopulmonary dysplasia and congenital heart disease from 2010 to 2013. Their survival was compared with that of a group of control individuals who did not have congenital heart disease. A variety of factors associated with survival were examined.
RESULTS
Although initial pulmonary hypertension was more frequent in the patient group, no significant differences were found between the patients and the control subjects with respect to cumulative mortality. The log-rank test indicated that many factors, including follow-up pulmonary hypertension, the use of pulmonary vasodilators, and aggravated oxygen demand, but not the congenital heart disease type, impacted upon survival in the patient group. Aggravated oxygen demand was the only factor that was determined to be associated with mortality in the multivariate analysis.
CONCLUSION
There was no significant difference between the patient and the control groups with respect to cumulative survival. Of the three factors that affected survival within the patient group, aggravated oxygen demand was the only risk factor that was associated with mortality.

Keyword

Bronchopulmonary dysplasia; Congenital heart disease; Prematurity; Pulmonary hypertension

MeSH Terms

Bronchopulmonary Dysplasia*
Follow-Up Studies
Heart Defects, Congenital*
Humans
Hypertension, Pulmonary
Infant*
Infant, Newborn
Infant, Premature
Mortality
Multivariate Analysis
Oxygen
Risk Factors
Vasodilator Agents
Oxygen
Vasodilator Agents
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