Suburethral meshes can be implanted via the classic retropubic route (TVT) or by a new insertion technique that passes the tape into the obturator foramen (TOT). In a retrospective study we compared one 18-month period of 94 TOT (tension-free obturator tape) and one 18-month period of 99 TVT (tension-free vaginal tape), which preceded the change in the approach route. All operations were performed by the same surgeon using the same Prolene mesh and withno other surgical procedure associated. These two series were similar in terms of patient age, previous surgical history, degree of incontinence and preoperative urethral closure pressure. The analysis shows morehemorrhagic complications in the TVT group (10%) than in the TOT group (2%), but the difference was not significant. Bladder injuries were more frequent in the TVT group (10%) than in the TOT group (0%), but there was one urethral injury in the TOT group. The mean followup was 29.5 months in the TVT group and 12.8 months in the TOT group. The urinary results were the same, with 90% and 95% cured, respectively. In conclusion, the obturator approach shows identical urinary results to the classic retropubic approach. Because of the nature of the procedure, major hemorrhage and bowel perforation are excluded in the TOT procedure. Thus simplicity, safety and continence result mean that the obturator approach represents the best method of suburethral tape insertion for the treatment of urinary stress incontinence.

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BackgroundEndocavity ultrasound is seen as a harmless procedure and has become a common gynaecological procedure. However without correct disinfection, it may result in nosocomial transmission of genito-urinary pathogens, such as high-risk Human Papillomavirus (HR-HPV). We aimed to evaluate the currently recommended disinfection procedure for covered endocavity ultrasound probes, which consists of “Low Level Disinfection” (LLD) with “quaternary ammonium compounds” containing wipes.MethodsFrom May to October 2011 swabs were taken from endovaginal ultrasound probes at the Gynecology Department of the Lyon University Hospital. During the first phase (May–June 2011) samples were taken after the ultrasound examination and after the LLD procedure. In a second phase (July–October 2011) swab samples were collected just before the probe was used. All samples were tested for the presence of human DNA (as a marker for a possible transmission of infectious pathogens from the genital tract) and HPV DNA with the Genomica DNA microarray (35 different HPV genotypes).ResultsWe collected 217 samples before and 200 samples after the ultrasound examination. The PCR was inhibited in two cases. Human DNA was detected in 36 (18%) post-examination samples and 61 (28%) pre-examination samples. After the ultrasound LLD procedure, 6 (3.0%) samples contained HR-HPV types (16, 31, 2×53 and 58). Similarly, HPV was detected in 6 pre-examination samples (2.7%). Amongst these 4 (1.9%) contained HR-HPV (types 53 and 70).ConclusionOur study reveals that a considerable number of ultrasound probes are contaminated with human and HR-HPV DNA, despite LLD disinfection and probe cover. In all hospitals, where LLD is performed, the endovaginal ultrasound procedure must therefore be considered a source for nosocomial HR-HPV infections. We recommend the stringent use of high-level disinfectants, such as glutaraldehyde or hydrogen peroxide solutions.

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