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PubMed1991

Natural lymphocyte cytotoxicity of women with different symptoms of toxemia.

Natural cytotoxic activity of lymphocytes from 113 pregnant women presenting one or more symptoms of the toxemic triad (E, P or H) was tested. According to the clinical symptoms, groups EH + H, EP + P and PH + EPH were formed. The control group consisted of 56 healthy pregnant patients. Significantly increased cytotoxicity was observed in toxemic pregnancies with proteinuria (group EP + P, 35.8 +/- 14.3%, P less than 0.001) and with proteinuria and hypertension (group PH + EPH, 27.2 +/- 13.3%, P less than 0.001%), but not in the group with hypertension (EH + H, 13.0 + 9.9%), compared to that of controls (11.0 + 11.5%). The relative number of patients with cytotoxicity greater than or equal to 40% was also higher in groups with proteinuria presenting with or without other symptoms of the disease. Increased cytotoxicity in proteinuric form of gestosis seemed to be independent of the incidence of low birthweight deliveries and intra-uterine growth retardation.

Adult↗
PubMed2005

Histomorphometric study of placental villi vascular volume in toxemia and diabetes.

The quantitative changes in the vascular tree in placentas from pregnancies complicated by diabetes mellitus and preeclampsia (PE) are not well defined. The purpose of this study was to quantify placental villi cross-sectional area of capillaries assessed by a computerized morphometry system in pregnancies complicated by PE (n = 23), well-controlled pregestational diabetes mellitus (PGDM; n = 10), and healthy controls (n = 13). Our aims were to test whether villous capillarization volume was changed in PE without intrauterine growth restriction or PGDM compared with the control group and to study these effects in 3 different areas of the placenta. Examination of placentas in women with PGDM and PE revealed limited pathological changes on light microscopic examination. However, the morphometric analysis revealed a more than 5-fold decrease of villous vascular volume in PGDM compared with controls (P = .003) and a 1.6-fold decrease in the PE group that did not reach statistical significance. These findings show quantitative changes in the villous vascular tree in PGDM that are not detectable by conventional light microscopy and suggest that morphometric analysis of the capillary tree may have diagnostic importance in this entity. The findings differ significantly from those previously reported in pregestational diabetes and do not differ significantly from those reported in PE without intrauterine growth restriction.

Capillaries↗