Tehran University Medical Journal

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Aghaei Moghadam E, Mirzaaghayan M R, Sayarifard A, Kouhnavard M, Ghamari A. Nutritional status of Down syndromic children with congenital heart disease undergoing surgical correction. Tehran Univ Med J 2019; 77 (7) :440-444
URL: http://tumj.tums.ac.ir/article-1-10005-en.html

Background: Growth disturbance is a common phenomenon in children with congenital heart diseases (CHD). Malnutrition and nutritional disturbances have a higher prevalence among children with down syndrome, especially children with Down syndrome; on the other hand, the prevalence of CHD is higher among syndromic children, which needs surgical repair as the definitive treatment. The nutritional status plays an important role in determining the postoperative complications and recovery. The purpose of this study was to investigate the growth status of children with Down syndrome and congenital heart disease before cardiac surgery.
Methods: This study was conducted as a retrospective study by evaluating the records of all syndromic patients undergoing cardiac surgery at Children’s Medical Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran, from March 2011 to March 2017. Age, weight, height, weight-for-age z-score (WAZ), weight-for-height z-score (WHZ), height-for-age z-score (HAZ), mortality and hospitalization rate in an intensive care unit (ICU) were recorded in these patients. The z-scores more than -1 were considered as normal, between -1 and -2 as mild malnutrition, between -2 and -3 as moderate malnutrition and below -3 as severe malnutrition.
Results: 35 (51.5%) patients were female and 33 (48.5%) were male. The mean age, weight, and height of these children were 26.9±24.9 months, 9.1±4.95 kg, and 79.55±17.95 cm, respectively. The mean of WHZ, WAZ, and HAZ in these children was -2.18+1.65, -1.95+2.25 and -1.22+3.11, respectively. Based on the values of WAZ, WHZ, and HAZ, 85.3%, 77.9% and 75% of patients have malnutrition (mild to severe forms, z-score less than -1). The most common cardiac defect was ventricular septal defect (VSD) accompanied by pulmonary arterial hypertension.
Conclusion: Considering the high prevalence of impaired nutritional status in these children and considering the effect of preoperative malnutrition on surgical outcomes, including mortality, assessing the nutritional status is much important. The adequate nutritional support in these patients leads to a reduction of the mortality, postoperative complications and morbidities.