Oxidative stress changes in pregnant patients with and without severe preeclampsia.

Background And Aims: The etiology of preeclampsia (PE) is unknown and the only treatment is removal of the fetus and placenta. The critical changes of this state include the increase of vascular resistance and hypoperfusion in the uteroplacental microcirculation that predispose to hypoxia and ischemia and, therefore, increased oxidative stress through 8-isoprostane, which is characterized by damage to the placenta and endothelium. We undertook this study to compare oxidative stress in pregnant women with PE.

[Clinical aptitude of residents that attend patients with the cervical intraepithelial neoplasia].

Objective: To build, validate and apply an instrument to evaluate the clinical aptitude in intraepitelial cervical neoplasia (ICN) in residents.

Methods: The instrument included four clinical real cases, validated by experts and included 106 items using true, false and don't know answers. A pilot test and the 21 Kuder-Richardson formula were used to estimate consistency.

[Clinical aptitude of gynecology and obstetrics residents to manage obstetric bleeding].

Objective: to build, validate and apply a test that explores and evaluates the clinical aptitudes of Gynecology and Obstetrics (Ob/Gyn) residents.

Material And Methods: the test included five actual clinical cases representing the main obstetric conditions associated with obstetric bleeding. The validation process included rounds with experts and the final version of the test included 100 items in which the answers had the options "true.

[Sacropexy with abdominal fascia in treatment of vaginal prolapse vault of menopausal women].

Introduction: Vaginal vault prolapsed is a rare complication, with a frequency from 0.2 to 1% after hysterectomy, which is presented due to a bad surgical technique in fixation of the vault suspension elements, as well others factors as the multiparity, menopause, chronic lungs disease, obesity, smoking and weak physical activity. There are many techniques reported to correct this pelvic disease, although the conventional sacropexy has been established for abdominal way, where the diversity of materials of fixation is varied, including natural material as the abdominal fascia and aponeurosis of muscle rectos.