¿Existen diferencias entre la vía transobturadora y retropúbica en la resolución de la incontinencia de orina de esfuerzo? / Are there differences between transobturator and retropubic sling in the resolution of stress urinary incontinence?

PROPÓSITO: Comparar la eficacia y complicaciones de la vía retropúbica (TVT o RP) y la vía transobturadora (TVT-O) en el tratamiento quirúrgico de la incontinencia de orina de esfuerzo (IOE). MÉTODOS: Estudio retrospectivo de pacientes con diagnóstico de IOE operadas entre Julio 2004 y Julio 2014 en el Hospital Clínico de la Universidad de Chile. Se evaluaron los datos demográficos, antecedentes médicos, síntomas y examen físico tanto preoperatorio como post operatorio y seguimiento post quirúrgico. RESULTADOS: De un total de 715, se analizaron los datos de 383 pacientes operada durante la fecha. 59,7% (n= 229) fueron sometidas a TVT-O y 40,3% (n=154) a TVT. Un 4,8% (n=11) de las pacientes en que se realizó cinta transobturadora tenían antecedente de cirugía previa de incontinencia versus un 14,29% (n=22) de las pacientes en que se realizó cinta retropúbica (P 0,006). Los datos post operatorios fueron ajustados según el dato anterior. En el seguimiento post operatorio se presentaron diferencias significativas en la disfunción del vaciamiento vesical [OR 0,28, (95%IC 0,10-0,74), p = 0,011]; y en el dolor inguinal post operatorio [OR 0,19 (95%IC 0,06-0,56), p = 0,003); siendo ambos más frecuentes en el grupo transobturador. No hubo diferencias significativas en el éxito subjetivo de la resolución de la IOE así como en otro tipo de complicaciones postoperatorias. CONCLUSIONES: Si bien ambas técnicas presentan tasas similares de éxito subjetivo en la resolución de la IOE, en nuestra experiencia, la vía transobturadora presenta mayor riesgo de disfunción del vaciamiento vesical y dolor inguinal postoperatorio.

PURPOSE: To compare the efficacy and complications of the retropubic sling (TVT or RP) and the transobturator sling (TVT-O or TOT) for the surgical treatment of stress urinary incontinence (SUI). METHODS: Retrospective study including patients diagnosed with SUI who had surgery between July 2004 and July 2014 at the Clinical Hospital of the University of Chile. Demographics, medical history, symptoms and physical examination (preoperative, postoperative and post-surgical follow-up) were evaluated. RESULTS: From a total of 715 operated during this period, the data from 383 patients was analyzed. 59.7% (n = 229) were submitted to TVT-O and 40.3% (n = 154) to TVT. 4.8% (n = 11) of patients in the transobturator sling group had previously had an incontinence surgery versus 14.29% (n = 22) of patients that had a retropubic sling (P 0.006). The postoperative data was adjusted according to this data. At the postoperative follow-up there were significant differences in bladder emptying dysfunction [OR 0.28 (95% CI 0.10 to 0.74), p = 0.011]; and postoperative groin pain [OR 0.19 (95% CI 0.06 to 0.56), p = 0.003); both being more frequent in the transobturator group. There were no significant differences in subjective success of the resolution of the SUI as well as other postoperative complications. CONCLUSIONS: Although both techniques have similar rates of subjective success in solving the SUI, in our experience, the transobturator approach has increased risk of bladder emptying dysfunction and postoperative groin pain.

Episiotomía y disfunciones del piso pélvico femenino / Episiotomy and floor dysfunctions female pelvic

Pelvic floor dysfunctions are highly prevalent in our population significantly affecting the quality of life of women. Pregnancy and childbirth are well recognized risk factors. It has recently become clear that pelvic floor trauma encompass more than perineal trauma or “what one could see in the delivery room.” The levator ani muscle may be affected at birth with the loss of the integral structure of the pelvic floor support, secondarily triggering the descent of the pelvic organs. The overdistension of the urogenital hiatus and anal sphincter injuries can also be consequences of a vaginal birth. An episiotomy is an intervention that seeks to facilitate the expulsion of the fetus expanding the perineum preventing tissue distension and perineal tear. However, this claim raised by its developer has no scientific basis. Today the restrictive practice of this procedure is recommended, given the potential complications that may arise when it is systematically performe. Despite this recommendation, there are no conclusive studies that explore the role that episiotomy has in obstetric pelvic floor trauma...

Prolapso genital: etiopatogenia, diagnóstico y tratamiento / Genital prolapse: etiopathogenesis, diagnosis and treatment

Vaginal prolapse is a very common disorder in the general female population. Because it is so common and often asymptomatically, there is no exact definition of this condition. Additionally its exact prevalence is not known. There are multiple risk factors that cause vaginal prolapse, for example age and vaginal deliveries are the most common, and nevertheless it is considered a multifactorial process. From the surgical point of view the most accepted theory for its production is site-specific tears that would generate the prolapse as they occur. Its diagnosis is clinical and is currently classified into four stages according to the degree of descent that exists with respect to the hymen. There are many different types of treatment, and the most used are pessaries, physiotherapy and surgery. The following is a review that covers various relevant aspects of the vaginal prolapse, his confrontation and treatment.

Prolapso genital: alteraciones del colágeno como factor etiológico / Genital prolapse: alterations of collagen as an etiological factor

The etiological search of pelvic organ prolapse has led to the study of connective tissue that surrounds it directly, called endopelvic fascia. So there have been several studies looking for changes in the main types of collagen existing in this area, trying to describe the changes that they would experience in order to facilitate the prolapse. It has been postulated mainly a decrease in collagen content, thereby reducing the tensile strength of the suspension elements of the pelvic organs and thus descent occurring. However, the literature has been discordant, and published numerous studies that show an increase of collagen in this area, which could be due to a state of pelvic floor repair in patients with various recognized risk factors. Most publications have different biases that preclude a completely valid conclusion. Because of this, still is not clear what changes would experience at the histological level the endopelvic fascia and there is no consensus among different centers. Here is a review of existing literature on this subject with emphasis on different molecular and histological findings of each study and their biases.

Embolización selectiva de arterias uterinas en la resolución de patologías ginecológicas y emergencias obstétricas / Uterine artery embolization in the management of obstetric and gynecologic haemorragic pathology

Antecedentes: La embolización de arterias uterinas es un procedimiento que permite manejar patologías hemorrágicas ginecológicas y obstétricas de manera conservadora y mínimamente invasiva. Métodos: Revisión retrospectiva de casos tratados con embolización selectiva en nuestro Servicio desde su inicio en octubre de 2007. Objetivo: Conocer las indicaciones y resultados de esta técnica. Resultados: Seis casos por patología ginecológica y 7 de causa obstétrica fueron tratados con este procedimiento. El procedimiento fue factible y libre de complicaciones en todos los casos, siendo terapéutico en primera instancia en 12 de los 13 casos. En ningún caso se requirió un tratamiento complementario quirúrgico para cumplir el objetivo terapéutico planificado. Conclusiones: La embolización de arterias uterinas representa una excelente herramienta para tratar cuadros hemorrágicos graves del puerperio, deteniendo hemorragias activas con manejo conservador del útero. En casos de patología ginecológica, el resultado inmediato resulta adecuado, consiguiendo buen control de la hemorragia. Este procedimiento debe ser considerado como alternativa posible en el manejo de la patología hemorrágica obstétrica y ginecológica.

Background: The uterine artery embolization is a procedure that can manage haemorrhagic obstretrics and gynecologic pathologies, in a conservative fashion and minimally invasive. Method: Retrospective review of cases that had been treated in our institution since October 2007. Objectives: To know the indication and results of this technique. Results: Six cases were done for gynecologic indications and seven for obstetrics cases. The procedure was feasible and without complications in all cases, being therapeutic in 12 of 13 patients. There was no need of a surgical procedure in order to achieve the therapeutic objective. Conclusions: The uterine artery embolization can be used as an excellent tool in the management of postpartum haemorrhage, reducing the necessity to perform an hysterectomy. In gynecology cases, the results in bleeding response are good as well. This procedure should be considerate as an acceptable alternative in the management of obstetric and gynecologic haemorragic pathology.

Neuromodulación en patologías de piso pélvico / Neuromodulation in pelvic floor dysfunctions

Através de la historia la neuromodulación ha demostrado ser una alternativa de tratamiento eficaz en el manejo de diversas disfunciones del piso pélvico. Distintas técnicas intentan conseguir un objetivo común, sin embargo, el éxito terapéutico es disímil dependiendo de la severidad y tipo de patología. Describimos los aspectos clínicos y operacionales relacionados con las diversas técnicas, así como los mecanismos de acción propuestos para la neuromodulación.

Through hystory, neuromodulation have proved to be an effective alternative of management of pelvic floor dysfunctions. Several technical alternatives try to reach a same therapeutic objetive, however, depending on the severity and type of symptom their succes differ. We describe the clinical and technical aspects related to those different technics so as the mechanisms of action that are propose for the neuromodulation.

Suspensión transvaginal alta a ligamentos uterosacros para el tratamiento de defectos apicales (stalus): descripción de la técnica y resultados anatómicos a mediano plazo / High uterosacral vaginal vault suspension for the treatment of apical prolapse: anatomical outcomes

Objetivos: Describir una técnica quirúrgica, novedosa en el medio nacional, de abordaje vaginal, para el tratamiento del prolapso apical: la suspensión transvaginal alta a ligamentos úterosacros (STALUS). Método: Estudio descriptivo longitudinal, de 57 pacientes con defectos apicales, a los cuales se les realizó esa técnica entre Diciembre de 2002 y Octubre 2005. Se realizó estadística descriptiva y test t (2 muestras) para análisis de pronóstico anatómico (POP-Q). Para análisis de potenciales factores pronósticos se utilizó ANOVA, regresión lineal y logística. Resultados: El tiempo operatorio promedio fue de 151 minutos. El resultado anatómico (POP-Q), pre y postoperatorio, resultó favorable y estadísticamente significativo, en los nueve puntos evaluados, 49 de las 54 pacientes fueron seguidas en promedio durante 15 meses. En el compartimiento apical (punto C) obtuvimos curación del 89 por ciento y no hubo fracasos. En la pared anterior, 22 por ciento de las pacientes recidivaron. En cuanto a las complicaciones, se produjo una fístula ureterovaginal. Conclusiones: Tomando las precauciones necesarias, es una técnica segura y reproducible, con buenas tasa de curación. Asegurar la indemnidad del uréter, siempre será una obligación. La recidiva en pared anterior, aunque sea asintomática, resulta ser extremadamente alta, lo que nos obliga a pensar en nuevas técnicas de abordaje de este compartimiento.

Objective: To describe a novel surgery technique in the national ground, of vaginal approach for the treatment of apical prolapse: the transvaginal high suspension to the uterosacral ligaments (STALUS). Method: It is a longitudinal descriptive study that included 57 patients with apical support defects, in which this technique was performed between December 2002 and October 2005. Descriptive statistics and t test were per-formed for the anatomical outcome (POP-Q). For the potential prognosis factors, ANOVA, lineal regression and logistic, were used. Results: The average surgery time was 151 minutes. The anatomical result (POP-Q), before and after surgery, was favourable and significant in the nine points evaluated. 49 of 54 patients were followed for 15 months in average. In the apical compartment (C point) we got an 89 percent of cure and there were no failure. In the anterior wall, instead, 22 percent of our patients recurred. About complications, there was an ureterovaginal fistula. Conclusions: If all precautions are taking, there is a secure and reproducible technique, with good cure rate. To secure the ureter it is always an obligation. The recurrence in the anterior wall, even been asymptomatic, is too high, that make us think in new techniques in order to manage this compartment.

Se puede reducir el índice de cesárea? Experiencia del Hospital Clínico de la Universidad de Chile

Se presenta la experiencia de la Maternidad del Hospital Clínico de la Universidad de Chile de un programa dise¤ado especialmente con el objetivo de disminuir las cesáreas evitables. Tomando el porcentaje de cesáreas del trimestre enero-marzo de 2003 como base. Se efectuó un programa de intervención entre los meses de abril-septiembre de 2003, que considera: entrega diaria del turno de residencia, segunda opinión para operación cesárea, diagnóstico pormenorizado de pelvis en ficha clínica, auditoría mensual de cesáreas "evitables" y estandarización de un protocolo de presentaciones distócicas. El propósito del estudio fue evaluar el efecto de la introducción de un sistema de auditoría en la reducción de la tasa de cesáreas, según propuesta de Robson y cols. El porcentaje global de cesáreas disminuyó de 44,9 por ciento a 37,1 por ciento, en nulíparas de 39,0 por ciento a 29,5 por ciento y en multíparas de 48,1 por ciento a 42,2 por ciento, diferencias estadísticamente significativas.