الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
Children with congenital heart disease and polycythemia have a rial bleeding disorder that can lead to serious or even fatal orrhage at the time of surgery. This work has aimed at assessing hemostatic changes in cyanotic and anotic congenital heart disease as well as their possible mechanisms. addition, this study has tried to clarify the correlation between these ges and their clinical presentations. This study comprised 33 patients (16 females and 17 males) witheir age group between 8 months and 14 years attending Cardiology linic, Pediatric Department, Mansoura University Hospital. The patients were grouped into: group I included 15 patients with CCHD (7 males and 8 females). It omprised 12 patients having T.O.F., 1 patient with situs inversus totalisith P.S. and V.S.D., 1 patient with tricusped atresia with V.S.D. and A.S.D., 1 patient with T. G .A. Group II included 18 patients with acyanotic congenital heart disease; 10 males and 8 females. It comprised 10 patients with V.S.D., 3 patients with P.D .A., 2 patients with congenital mitral valve prolapse, 1 patient with congenital mitral insufficiency, 1 patient with A. S.D., and 1 patient with congenital P.S. of our patients was receiving any medication affecting hemostasis or platelet function. A third group of 10 healthy normal children with matched age and sex were the control group for comparison.