[Stress urinary incontinence treatment with modified technique tension-free vaginal tape obturator].

Objective: To evaluate the trans and postoperative complications and surgical results of Tension Free Vaginal Tape Obturator System (TVT-O) for stress urinary incontinence treatment in Angeles del Pedregal Hospital in a five year follow-up.

Material And Methods: A retrospective, descriptive case series study with 67 patients was conducted in the Urogynecology Clinic in Hospital Angeles del Pedregal between January 2006 and December 2012. Patients with stress urinary incontinence treated by TVT-O were included.

[Plasma and milk concentrations of acenocoumarin in breast-feeding women during post partum].

Background: Patients are receiving anticoagulants during postpartum. Literature data still is controversy in milk excretion of acenocoumarin; there are conducts in favor and against. Because of the benefits of maternal milk it's necessary to probe if acenocoumarin is excreted by human milk.

[Urolithiasis and pregnancy. Presentation of results and management norm at the National Institute of Perinatology].

Aims: Urolithiasis associated to pregnancy has an incidence of 1:1,500. It is more frequent in multiparity patients and is a risk factor for preterm labor in more than 40%.

Objectives: To know the incidence of urolithiasis associated to pregnancy at the National Institute of Perinatology; to determine the prevalence of: symptoms and signs, hydronephrosis, urinary tract infections, uropathogens, use of catheters and perinatals results.

[Mechanical changes of the detrusor after antiincontinence surgery].

Background: Stress urinary incontinence is secondary to an intrinsic defect in the closure or a lack of urethral support; the treatment is surgical and this may affect vesical voiding by creating an obstruction, modifying the contraction power at opening and the mechanical properties of the detrusor.

Objectives: To know if there are changes in the contractile characteristics of the detrusor in order to maintain an efficient voiding after surgical correction of the urinary incontinence.

Material And Methods: This was a cohort study of the urodynamic variables, mechanical work and energy of the detrusor, during cystometric and pressure-flow analysis, before and after antiincontinence surgery.

[Low urinary tract infection and cystoscopic findings in Urogynecology Service in the Instituto Nacional de Perinatología].

Introduction: The pathogenesis of urinary tract infection and related to the host and pathogens. There are three associated factors: incontinence, cystocele and residual urine.

Objectives: To know the prevalence of urinary tract infections and uropathogens in urogyneacologic patients of the Instituto Nacional de Perinatología describe the cystoscopic findings in patients with positive urocultures and antibiogram.