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Abstract Atherosclerosis and CAD continue to be the major health problems.· Although the manifestations usually do not appear until later adult life they appear to have their origins in childhood. To assess whether or not familial hyperlipoproteinemia was more frequent in -,children whose parents showed signs of coronary heart disease in early adult life this study was performed on 119 children of healthy and diseased parents they are divided into five groups :- 1- Group 1 :- Consists of 33 children of healthy parents (21 boys and 12 girls). Their ages ranged from 3 to 14 years. 2- Group 2 :- Consists of 22 children of parents witn myocardial infarction (16 boys and girls), their ages ranged from 3 to 14 ye e rs . 3- Group 3 :- Consi:sts of 22 children of .parents with diabetes mellitus (9 boys and 13 girls). Their ages ranged from 5 to 14 years. 4- girls) 5- 4 :- of 22 children of parents sUffering both meliitus + myocardial infarction (20 boys and 2 ranged from 8 to 14 years. 5 :- c) d) of 20 children of parents mellitus + angina pectoris (10 girls). Their ages ranged from 6 to 14 years. were sUbjected to ul history taking especially family history of any se, drug intake and status of their diet. rement of height, body weight determination, then lation of surface area and body mass index of each ct. ul clinical examination venous blood sample was taken and centrifuged, e serum the following were done. - Serum triglycerides level - Serum total cholesterol having both boys and 10 a) b) - Serum HDL cholesterol level - Serum LDL cholesterol level - Serum apolipoprotein A - Serum apolipoprotein B - Serum fructosamine level -16”0- The results of this work showed :- 1- Elevation in the mean level of serum triglyceride in sera of children of parents with myocardial infarction (MI), diabetes mellitus (OM), diabetes mellitus + myocardial infarction (DM + MI)” and those of parents with diabetes mellitus + angina pectoris (OM+ AP) In comparison to those of control group. 2- Elevation of t.ct a i ’ cholesterol level in sera of all children of parents with myocardial infarction, diabetes mellitus, diabetes mellitus + myocardial infarction and diabetes mellitus + angina pectoris in comparison to control group. )- Level of serum HDLcholesterol is reduced significantly in sera of children of parents with myocardial infarction while it is elevated significantly only in sera of ’children of parents with diabetes mellitus, while in diabetes mellitus + myocardial infarction and of those having diabetes mellitus + angina p~ctors, the ellevation was insignificant. 4- The level of serum apol iprotien-A is groups of children in comparison to reduced in all tha t of control group. 5- Elevation of serum level of LOL cholesterol and apo B in ”sera of children of parents with myocardial infarction, diabetes mellitus, diabetes mellitus + myocardial infarction and” in those with diabetes ------- -16’1- mellitus + angina pectoris in comparison to that of control group. 6- No significant difference was detected in serum fructosamine level in sera of children of all group in comparison to that of control group., 7- The level of lipoproteins and apolipoproteins is not signi~icantly affected by the type of food and pattern of milk feeding. |