Pulse wave reflection in currently and previously preeclamptic women

被引:77
作者
Rönnback, M
Lampinen, K
Groop, PH
Kaaja, R
机构
[1] Univ Helsinki, Biomedicum, Folkhalsan Res Ctr, FIN-00014 Helsinki, Finland
[2] Univ Helsinki, Cent Hosp, Dept Med, Div Nephrol, Helsinki, Finland
[3] Univ Helsinki, Cent Hosp, Dept Obstet & Gynecol, Helsinki, Finland
关键词
preeclampsia; pregnancy; arterial compliance; augmentation index;
D O I
10.1081/PRG-200059871
中图分类号
R71 [妇产科学];
学科分类号
100211 ;
摘要
Objective. Disturbed maternal endothelial function is believed to be central in the pathogenesis of preeclampsia and has been observed to persist for several years following the preeclamptic pregnancy. Endothelial dysfunction has been reported to cause increased pulse wave reflection, a measure of systemic arterial stiffness. This study tested the hypothesis that preeclampsia and a history of preeclampsia are associated with increased pulse wave reflection. Design and Methods. We carried out a cross-sectional case-control study of 26 pregnant women with preeclampsia, 26 pregnant controls, 22 normotensive nonpregnant previously preeclamptic women, and 22 nonpregnant controls. Pulse wave reflection was assessed by applanation tonometry on the radial artery. Results. Pregnant preeclamptic women had a significantly higher heart rate-adjusted augmentation index than did pregnant controls (23 +/- 1 vs. 8 +/- 1%, P < 0.001). The augmentation index of women with a history of preeclampsia was similar to that of the nonpregnant controls (9 +/- 2 vs. 9 +/- 2%, P = 0.78). In a multiple linear regression analysis (R-2 = 0.76) the augmentation index of pregnant women was independently associated with a diagnosis of preeclampsia (P < 0.001) and heart rate (P < 0.001), but not with mean arterial blood pressure (P = 0.59). Conclusions. This study demonstrates that pulse wave reflection and, thus, systemic arterial stiffness are increased in pregnant women with preeclampsia, but not in normotensive nonpregnant women with a history of preeclampsia. The results support the concept of generalized vascular dysfunction in preeclampsia.
引用
收藏
页码:171 / 180
页数:10
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