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Letters to the Editor

Indian Pediatrics 2002; 39:882-883

Lipid Profile in Children Aged 5 to 15 years with Parental History of Ischemic Heart Disease, Hypertension and Diabetes Mellitus


We read with interest the recent article on this subject(1). The work done by authors is highly appreciable. We have the following comments to offer:

1. Authors have mentioned in the results that data of 11 children between 14-15 years of age showed that there was no significant difference (P > 0.05) in the serum HDL-C levels as compared to control group of children. However according to Table II, in all subgroups of children with diseased parents, the values are statistically highly significant ( P < 0.001) except in subgroup 10-15 years with parental history of DM, where it is significant ( P < 0.05). To which group these 11 children belong, has not been mentioned as it will affect the statistical significance of whole of the group/subgroup and why these children were singled out.

2. In discussion, authors have quoted that serum cholesterol/HDL-C ratio in the present study in high risk children is high. The ratio mentioned is from 2.53-2.8. However, as shown in Table I mean ratio in high risk children is from 2.59 to 2.66 as compared to controls where it is 2.8.

3. As study involved the screening of large number of individuals, drop outs are likely which have not been mentioned. Study seems to be selective as there were higher serum levels of cholesterol, triglycerides and LDL-C in all high risk children and statistical significance was found in cholesterol and LDL-C levels. The degree of inheritance in the study is approaching 100%. Though all these adult diseases have multifactorial inheritance i.e. these are the result of additive and interactive effects of one or more genes plus environmental factors(2,3).

4. According to expert panel on blood cholesterol levels in children and adolescents, children with a parental history of total cholesterol levels > 240 mg/dL should have their cholesterol levels measured(4). In the study conducted by authors, none of parental group had total cholesterol level > 240 mg/dL.

5. In subject and methods, it has been mentioned that either father or mother suffering from disease entities for more than 5 years were selected. According to Table I, the values of lipid profile in both parents are highly significant as compared to controls except of serum triglycerides in group with history of DM wherein father’s value is not significant as compared to controls. The lipid profile is contradicatory to the selection.

K.K. Locham,

Manpreet Sodhi,

Dhiraj Sarwal,

Department of Pediatrics,

Government Medical College,

Rajindra Hospital,

Patiala 147 001, Punjab, India.

.

References


1. Anand NK, Singh P, Singh D. Lipid profile in children aged 5 to 15 years with parental history of ischemic heart disease, hypertension and diabetes mellitus. Indian Pediatr 2002; 39: 168-172.

2. Shapiro L. Patterns of inheritance. In: Nelson Textbook of Pediatrics, 16th edn. Eds. Behrman RE, Kliegamn RM, Jenson HB. Philadelphia, W.B. Saunders Company 2000; 321-325.

3. Jameson JL, Kopp P. Principles of human genetics. In: Harrison’s Principles of Internal Medicine. 15th edn. Eds. Braunwald E, Fauci AS, Kasper DL, Hauser SL, Longo DL, Jameson JL. New York, McGraw Hill Publication, 2001; 375-396.

4. American Academy of Pediatrics. Report of the expert panel on blood cholesterol levels in children and adolescents. National Cholesterol Education Programme. Pediatrics 1992; 89: 525-584.

 

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