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. 2005 Apr;25(4):827-32.
doi: 10.1161/01.ATV.0000158382.50942.6a. Epub 2005 Feb 3.

Serum lipid profiles poorly correlate with Chlamydia pneumoniae, Helicobacter pylori, and cytomegalovirus seropositivity in prospectively followed-up healthy children

Iina Volanen  1 , Olli T Raitakari, Raija Vainionpää, Martti Arffman, Johanna Aarnisalo, Susanna Anglé, Katariina Kallio, Olli Simell
Affiliations

Serum lipid profiles poorly correlate with Chlamydia pneumoniae, Helicobacter pylori, and cytomegalovirus seropositivity in prospectively followed-up healthy children

Iina Volanen et al. Arterioscler Thromb Vasc Biol. 2005 Apr.

Abstract

Objective: Chronic Chlamydia pneumoniae (Cpn), Helicobacter pylori (Hp), and herpes virus infections have been associated with atherogenic serum lipid profile and an excess of cardiovascular events in adults. Because mechanisms leading to atherosclerosis are active since early childhood, we examined whether Cpn, Hp, or cytomegalovirus (CMV) seropositivity relates to serum lipid, lipoprotein, or apolipoprotein concentrations in children. We also looked for factors increasing probability of Cpn seropositivity in children.

Methods and results: Cpn-specific IgG and IgA, as well as Hp-specific and CMV-specific IgG antibodies were assessed by enzyme immunoassay in 199 apparently healthy children, followed-up from 7 to 11 years of age. Serum lipid profiles were studied at the ages of 7, 9, and 11 years using standard methods. Neither seroconversion to Cpn IgG or IgA antibody positivity nor persistent seropositivity for Cpn, Hp, or CMV was associated with proatherogenic serum lipid values. Children with siblings were more likely to possess Cpn antibodies than children without siblings (IgG: OR, 5.24; 95% CI, 1.63 to 16.82; IgA: OR, 3.32; 95% CI, 1.15 to 9.57).

Conclusions: These data suggest that contrary to the observations in adults, Cpn, Hp, and CMV seropositivity in otherwise healthy children is not associated with disturbances in serum lipid profile.

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