[Estrogen therapy effect in arterial tension in postmenopausal women].

Introduction: Experimental studies have shown that estrogens prevent deposit of cholesterol in arteries, have effect upon the endothelial function (to prevent contraction of smooth muscle), and enlarge the vascular tone or vasodilatation.

Objective: To determine changes in arterial pressure before and after use of estrogen-therapy.

Material And Methods: A descriptive study was carried out follow-up during 8 weeks in Obstetric and Gynecologic Hospital (No.

[Usefulness of establishing diagnosis and severity of the most frequent signs and symptoms in preeclamptic patients].

Objective: Our aim was to determine that signs and symptoms are tools in establishing diagnosis and severity of preeclampsia.

Materials And Methods: Our study design was prolective, comparative, cross-sectional for evaluation of diagnosis. Our sample included 408 patients.

[Clinical significance of the laboratory determinations in preeclamptic patients].

Objective: To determine the clinical significance and optimal cutting points of laboratory tests more frequently used in patients with pre-eclampsia of recent diagnosis.

Materials And Methods: We made an analytic cross-sectional study for evaluation of diagnostic test. Non probabilistic sampling.