Objective:To investigate the effect of prepared rhubarb on insulin resistance in patients with pregnancy induced hypertension(PIH)and its mechanism.Methods:All the 92 patients accepted 75 g oral glucose tolerance test(OGTT)and insulin release test before and after treatment.These patients were divided into two groups(treated group and control group).Prepared rhubarb and nifedipine were given to the treated group,while nifedipine was given to the control group alone.Circulating endothelial cell(CEC),tumor necrosis factor-α(TNF-α),interleukin-6(IL-6)were measured and glucose area under curve(GAUC),insulin area under curve(IAUC),insulin sensitivity index(ISI)were calculated.And 30 normal pregnant women were selected as the healthy group.Results:CEC,TNF-α,IL-6,GAUC and IAUC of PIH patients were significantly higher than those of the normal healthy group; while ISI of PIH patients was significantly lower than that of the healthy group.ISI was significantly negatively correlated to CEC, TNF-α and IL-6.After treatment,CEC,TNF-α,IL-6,GAUC decreased and ISI increased sig-nificantly in the treated group;while in the control group,all above-mentioned parameters showed no change.Conclusion:Prepared rhubarb can improve insulin resistance of PIH by reducing vascular endothe-lial cells damage.
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