[The circadian changes of plasma and blood viscosity and hematocrit in patients with ischemic stroke].
We studied the blood and plasma viscosity and hematocrit in patients with ischemic stroke and in a control group. Patients with ischemic stroke had a marked hyperviscosity and elevated hematocrit levels which were correlated with arterial hypertension, alcohol consumption and tobacco smoking. In women aged 45-55 years, viscosity and hematocrit were correlated with age that may be explained by the hormonal changes. People with ischemic stroke had three variants of circadian patterns of viscosity and hematocrit with peaks at 9 am, 3 pm and 9 pm. In some patents a strong correlation between the time of stroke onset and circadian pattern was observed.
Gusev
E I
EI
Petukhov
E B
EB
Martynov
M Iu
MIu
Kolesnikova
T I
TI
Iasamanova
A N
AN
Makarov
A N
AN
Berezov
V P
VP
Serdiuk
I E
IE
Nikonov
A A
AA
D000368:Aged; D001809:Blood Viscosity / Q000502:physiology*; D002940:Circadian Rhythm; D005260:Female; D006400:Hematocrit; D006801:Humans; D008297:Male; D008875:Middle Aged; D020521:Stroke / Q000097:blood* / Q000503:physiopathology*