Ha. Kaftan et al., Markers of chronic infection and inflammation - Are they important in cases with chronic coronary heart disease, JPN HEART J, 40(3), 1999, pp. 275-280
The human cytomegalovirus plays a causal role in atherosclerosis etiology,
but it is discussed as controversial. We conducted a case control study to
investigate whether previous infection with cytomegalovirus is associated w
ith coronary heart disease and markers of systemic inflammation, because sy
stemic inflammation may play a role in atherosclerosis too.
We also studied the correlation between anti-cytomegalovirus antibody titer
and coronary artery disease.
The study involved 150 cases (45 females, mean age +/- SD is 58.73 +/- 7.68
years) with a documented coronary heart disease and 160 healthy volunteers
(50 females, mean age +/- SD is 57.82 +/- 7.68, p > 0.05). Cytomegalovirus
serology was performed to determine the presence of specific IgG antibodie
s and titers of the anti-cytomegalovirus IgG antibodies. In addition, C-Rea
ctive protein levels were determined for each case. The prevalance of speci
fic antibodies to cytomegalovirus was 57.30% for the patients and 56% for t
he controls (p = 0.39). But higher levels of anti-cytomegalovirus IgG antib
ody titer (> 1/ 800) were seen in the patient group (28.6% versus 10%, p =
0.0000). Mean value of C-reactive protein was higher in the patient group (
2.99 +/- 0.92 mg/l versus 1.79 +/- 0.51 mg/l, p = 0.0000), and there was a
linar correlation with the high antibody titers and the level of C-reactive
protein (r = 0.35, P = 0.0000)
These findings support that not the seropositivity of the population but ra
ther the titer of anti-cytomegalovirus antibody and the levels of C-reactiv
e protein could predict patients with a high risk of coronary heart disease
.