Study of congenital heart diseases in patients with Down syndrome in Algeria
Eastern Mediterranean Health Journal, Volume 23, No. 9, Year 2017
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This study aimed to describe and evaluate the type, frequency and patterns of congenital heart diseases (CHDs) in patients with Down Syndrome (DS) in Sétif, Algeria. Down Syndrome, or trisomy 21, is the most common genetic disorder in the world. Data were collected and followed from January 2009 to December 2013. Parental consanguinity documenting pedigree analyzing, chromosome analysis and clinical examination were carried out for all cases. Results have shown that 22 (15.4%; ± 0.06) of the total 143 known cases of DS from DS centres have CHDs and 88 (10.6%; ± 2.2) of the total 770 patients with CHDs collected from public departments at the child and maternity teaching hospital, Sétif, have DS. Among the 110 cases, 75 (68%) have single cardiac abnormalities and 35 (32%) have multiple cardiac abnormalities. The most frequent CHDs were Atrioventricular Septal Defect (AVSD). In conclusion, our study will be helpful to demonstrate the current status of DS and to identify the distribution of CHD in patients with DS in Sétif, Algeria, for further study.