[The effects of mesenteric lymph drainage on erythrocyte rheology in rats with hemorrhagic shock].
OBJECTIVE
To observe the effects of mesenteric lymph drainage on erythrocyte rheology and blood viscosity in hemorrhagic shock rats.


METHODS
Wistar rats were randomly divided into sham-shock group, shock group (establishing hemorrhagic shock model), drainage group (establishing hemorrhagic shock model plus drainaging shock mesenteric lymph from hypotension 1 h). At 3 h of hypotension or corresponding time, blood samples were harvested from the abdominal aorta for determining the erythrocytic parameters, erythrocyte electrophoresis, erythrocyte sedimentation rate (ESR) and blood viscosity, and the erythrocytes aggregation index and erythrocyte deformability index were calculated.


RESULTS
Compared with the sham-shock group, the red cell contents, hematocrit (HCT), hemoglobin (Hb), mean corpuscular hemoglobin concentration (MCHC), erythrocyte electrophoretic rate and mobility, erythrocyte deformability index, whole blood viscosity, whole blood relative or reduced viscosity at low and high shear rates in shock group were observably lower, and mean corpuscular volume, electrophoretic time of erythrocyte, ESR, K value of equation and K value of emendation, erythrocytes aggregation index, plasma viscosity in shock group were increased markedly; the MCHC, erythrocyte electrophoretic rate and mobility, whole blood viscosity, whole blood relative viscosity at low and high shear rates in drainage group were reduced, and the red blood cell volume distribution width -SD (RDW-SD) was increased remarkably. At the same time, in drainage group, the HCT, RDW-SD, erythrocyte deformability index, whole blood viscosity and relative viscosity at low and high shear rates were higher, the ESR, K value of equation and K value of emendation, erythrocytes aggregation index, plasma viscosity were lower than that of shock group.


CONCLUSIONS
The results indicate that the mesenteric lymph drainage could improve the erythrocyte rheological behavior, as a result, improve the hemorrheological properties in hemorrhagic shock rats.
Institute of Microcirculation, Hebei North University, Zhangjiakou 075029, China.
Zi-Gang
ZG
Zhao
Chun-Yu
CY
Nju
Zhi-Peng
ZP
Hi
Min
M
Zhang
Guo-Jie
GJ
Xu
Hua
H
Jiang
Jing
J
Zhang
D000818:Animals; D001809:Blood Viscosity; D004322:Drainage / Q000379:methods; D004903:Erythrocyte Aggregation; D004907:Erythrocyte Deformability; D008196:Lymph; D008297:Male; D008643:Mesentery; D051381:Rats; D017208:Rats, Wistar; D012212:Rheology; D012771:Shock, Hemorrhagic / Q000097:blood* / Q000628:therapy*