The purpose of this study is to compare the effect of high and ordinary energy density enteral nutrition for improving physical growth and brain cognitive development in infants with congenital heart disease after operation, as well as evaluate the safety of interventions.
Diagnosed with congenital heart disease through symptoms, physical signs, imaging, and ultrasound examinations.
Age 0-6 months
Children with nutritional risks (defined by STRONGkids: Nutritional risk screening tool for children )
Artificial or mixed feeding
Diagnosed with major non cardiac diseases leading to nutritional intake disorders, such as congenital gastrointestinal malformations, preoperative diagnosis of gastroesophageal reflux, genetic diseases related to growth restriction, and various syndromes with chromosomal abnormalities (trisomy 21 syndrome, trisomy 18 syndrome)
Abnormal immune system function due to congenital or acquired factors, unable to effectively resist pathogens or eliminate abnormal cells, which can be divided into primary and secondary immunodeficiencies.
Any pre - operative history of neurological diseases (e.g., encephalitis, epilepsy).
Secondary or primary gastrointestinal infection symptoms such as abdominal distension and diarrhea after surgery.
Parallel
High energy density enteral nutrition
Dietary supplementHigh-energy-density enteral nutrition (100 cal/100 ml) will be administered to infants following surgery for congenital heart disease. The target feeding volume will be determined based on the infant's body weight (80-100 ml/kg), with the volume per feeding and frequency appropriately adjusted.
General energy density enteral nutrition
Dietary supplementGeneral energy density enteral nutrition (60-88 cal/100 ml) will be administered to infants following surgery for congenital heart disease. The target feeding volume will be determined based on the infant's body weight (80-100 ml/kg), with the volume per feeding and frequency appropriately adjusted.
Weight-for-age z score (WAZ)
WAZ is calculated according to the Chinese child growth curve and cut-offs .It is a statistical index used to assess the nutritional status of children. The physical examination will be conducted by a nurse, and the data will be recorded to one decimal place.
Weight-for-age z score (WAZ)
WAZ is calculated according to the Chinese child growth curve and cut-offs .It is a statistical index used to assess the nutritional status of children. The physical examination will be conducted by a nurse, and the data will be recorded to one decimal place.
Cognitive development
The Griffiths mental development scales (GMDs) will be used to repeatedly measure the indicators .The Griffiths scales typically yield a Developmental Quotient (DQ) with an average range of 85-115. The higher the scores, the more advanced development relative to age norms in assessed domains (e.g., motor, language, or cognition).
Incidence of subjects with Gastrointestinal mucosal barrier function injury
Primarily defined by elevation in fecal calprotectin and Inflammatory cytokines level.The reference range for calprotectin is 0-5 μg/g，inflammatory cytokines is ≤20pg/ml.Exceeding this range will be considered as abnormal gastrointestinal mucosal barrier function.
Albumin level
Albumin is a rich protein in the blood, which mainly reflects the nutritional status.The reference range for albumin is 39-54g/L.If it is not within this range, it will be judged as abnormal.
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