Prevalence and Risk Factors for Tube-Feeding at Discharge in Infants following Early Congenital Heart Disease Surgery: A Single-Center Cohort Study

Author:

Viswanathan Sreekanth1,F. Ong Kaitlyn Jade1,Kakavand Bahram2

Affiliation:

1. Department of Pediatrics, Division of Neonatology, Nemours Children's Hospital, University of Central Florida College of Medicine, Orlando, Florida

2. Department of Pediatrics, Division of Pediatric Cardiology, Nemours Children's Hospital, University of Central Florida College of Medicine, Orlando, Florida

Abstract

Objective Oral feeding difficulty is common in infants after congenital heart disease (CHD) surgical repair and is associated with prolonged hospital stay and increased risk for tube-feeding at discharge (TF). The current understanding of the enteropathogenesis of oral feeding difficulty in infants requiring CHD surgery is limited. To determine the prevalence and risk factors for TF following CHD surgery in early infancy. Study Design This was a 6-year single-center retrospective cohort study (2016–2021) of infants under 6 months who had CHD surgery. Infants required TF were compared with infants who reached independent oral feeding (IOF). Results Of the final sample of 128 infants, 24 (18.8%) infants required TF at discharge. The risk factors for TF in univariate analysis include low birth weight, low 5-minute Apgar score, admitted at birth, risk adjustment in congenital heart surgery categories IV to VI, presence of genetic diagnosis, use of Prostin, higher pre- and postsurgery respiratory support, lower weight at surgery, lower presurgery oral feeding, higher presurgery milk calory, delayed postsurgery enteral and oral feeding, higher pre- and postsurgery gastroesophageal reflux disease (GERD), need for swallow study, abnormal brain magnetic resonance imaging (p < 0.05). In the multivariate analysis, only admitted at birth, higher presurgery milk calories, and GERD were significant risk factors for TF. TF had significantly longer hospital stay (72 vs. 17 days) and lower weight gain at discharge (z-score: −3.59 vs. −1.94) compared with IOF (p < 0.05). Conclusion The prevalence of TF at discharge in our study is comparable to previous studies. Infants with CHD admitted at birth, received higher presurgery milk calories, and clinical GERD are significant risk factors for TF. Mitigating the effects of identified risk factors for TF will have significant impact on the quality of life for these infants and their families and may reduce health care cost. Key Points

Publisher

Georg Thieme Verlag KG

Subject

Obstetrics and Gynecology,Pediatrics, Perinatology and Child Health

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