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Videosurgery and Other Miniinvasive Techniques
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vol. 6
Case report

Laparoendoscopic single-site transvesical removal of mid-urethral polypropylene sling eroded into the bladder

Marek Roslan
Marcin Markuszewski
Artur Gibas
Wojciech Piaskowski
Kazimierz Krajka

Videosurgery and other miniinvasive techniques 2011; 6 (2): 111-114
Online publish date: 2011/07/08
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Mid-urethral polypropylene slings have become a standard treatment of stress urinary incontinence (SUI) in women for the last two decades. Retropubic tension-free vaginal tape (TVT) is the most common anti-incontinence procedure and over one million TVT slings have been placed worldwide since 1996 [1]. The number of complications reported in the retropubic route ranges from 4.3% to 75.1% [2]. Erosions of the tape into genitourinary organs are rare events and occur in 0.3% to 14% of cases [3, 4]. The most common symptoms related to this complication are recurrent urinary tract infection (UTI) and chronic pelvic pain [4]. To date, tapes are usually removed using several different techniques, such as open cystotomy, operative cystoscopy, transurethral resection or laparoscopy [4-7]. An open approach is associated with a comparatively large trauma but endoscopic surgery is inconvenient and often inefficient. The laparoscopic approach is minimally invasive and efficient but it is associated with a small risk of bowel injury. Nevertheless, laparoscopy has been demonstrated as a valid approach in a variety of surgical procedures with better results in terms of perioperative morbidity, shorter hospital stay and consequent improved quality of life [7]. Recently, some efforts have been made to decrease morbidity related to laparoscopic port placement and improve cosmetic results while maintaining the same standards of surgical care. In this context, mini-laparoscopic approaches such as laparoendoscopic single-site surgery (LESS), single-port incision laparoscopic surgery (SILS) and natural orifice translumenal endoscopic surgery (NOTES) have been developed [8, 9]. Until now single-port techniques have been applied to perform a wide range of surgical, urological and gynecologic interventions, from hernia repair to cancer resections and even live donor nephrectomies [10-13].
Laparoendoscopic single-site surgery reduces the number of ports necessary to complete laparoscopic surgery and might reduce intraoperative complications and postoperative morbidity. In the current study, we describe our specific clinical experience of managing bladder erosion of mid-urethral tape using this novel and challenging technique.
This study presents our experience with the LESS procedure for removal of polypropylene tape eroded into the bladder.

Case report

From November 2009 to February 2010 two female patients aged 41 years and 57 years were referred to our hospital with urgency, pelvic pain and recurrent UTI. Symptoms were refractory to medical treatment, including anaesthetics, antimuscarinic agents and antibiotics. Respectively 15 and 8 months before admission they underwent surgery for SUI with the use of suprapubic polypropylene tape. In the first case the tape was cut out from polypropylene hernia mesh (GYNECARE GYNEMESH® PS, Ethicon Women’s Health & Urology, Somerville, NJ, USA). In the latter one the original tape (Gal-Mesh, Gallini Medical Devices, Mantova, Italy) was placed with the set of self-adapted instruments.
Bacteriological analysis revealed Escherichia coli in both cases. Cystoscopy was conducted as well as vaginal examination to look specifically for evidence of bladder erosion, vesico-vaginal fistula, granulation tissue and any scarring of the anterior vaginal wall. In both patients the assessment showed the presence of 2-3 cm long erosion of the tape laterally (on the left) to the bladder neck. No fistula was found. Women were qualified for laparoendoscopic single-site removal of the tape.
Patients were placed in the lithotomy position and subjected to general anaesthesia. Surgical procedures were performed through a single multiport trocar TriPort® (Olympus Winter & IBE GMBH, Hamburg, Germany), inserted directly into the bladder through a 2 cm longitudinal skin incision located 2 cm above the pubic symphysis. Before trocar insertion the bladder was filled with 500 ml of 0.9% saline. Cystoscopic control was necessary. Carbon dioxide was used for insufflation of the bladder and the 10 mm 30° laparoscopic optic was introduced into the bladder. The eroded tape was located, dissected and removed using a combination of straight and articulating laparoscopic instruments. Fragments of tapes were sent for bacteriological examination. Electrocautery was sufficient to stop the small bleeding. There was no need to close the bladder wall with a suture, either inside the bladder or in the apex after removal of the TriPort trocar. After the procedure an 18 F Foley catheter was established intravesically. The skin incision was closed with two sutures.
The follow-up was scheduled at 1, 3 and 6 months after surgery and continence, pain, voiding difficulties and culture were reassessed. The recurrence of SUI was evaluated by clinical examination and 24-hour pad test.
Both patients were managed adequately in the manner presented above. The length of the skin incision was 20 mm. No extra port was introduced. Time of intervention was 35 min and 40 min respectively. No blood loss or complication occurred. A Foley 18 F catheter was left for seven days and patients were discharged on the 1st postoperative day. Cultures of removed tapes were negative.
All women reported a complete decrease of pain and no urgency after one month of follow-up. Recurrent stress urinary incontinence occurred in both females. On the basis of the patient’s opinion (no pad tests obtained before initial treatment), the grade of urine leakage was less than before the sling procedure. 24-hour pad test was 8 γ and 25 γ respectively and the patients declined re-treatment. At the follow-up time of 9 months and 6 months respectively no adverse events related to the method appeared. Bacteriological urine assessment was negative in both cases.


The suprapubic tension-free vaginal tape for female stress urinary incontinence (SUI) was introduced in 1995 by Ulmsten and Petros [14]. In the subsequent years several other pubovaginal or transobturator polypropylene sling systems have been developed and have quickly gained worldwide acceptance due to good functional results and low complication rates [15]. Erosion of sling materials into the lower urinary tract is an uncommon but known complication after pubovaginal sling placement. Urethral erosion is reported at a rate from 2.7% to 33% and bladder erosion is much less common with incidences ranging from 0.5% to 0.6%, but these data are obtained mainly from the literature on TVT or other well-described techniques [3, 16-18]. There are no reliable analyses of so-called “hand-made” tapes although this kind of procedure is likely performed in many countries.
The data obtained from the centre referring the above-mentioned patients were insufficient. We have been informed that in this centre only 15 to 20 incontinent women were operated on yearly. The surgeons used to perform the hand-made system only. This material is not numerous but it is justified to estimate that the bladder erosion rate in that centre is unacceptably high and probably ranges around 5-10%. Two new such cases referred to our centre just after we summed up the first pair confirm this estimation.
Tape erosion into the bladder necessitates its removal, and laparotomy and operative cystoscopy have been described as applicable methods [5, 17]. Laparoscopy has been shown to be a safe and efficient procedure as well as other techniques [7, 19-21]. The advantages of laparoscopic access are improved visualization, less postoperative pain, shorter hospital stay, and faster recovery time. Nevertheless, it requires the placement of 3 or more trocars, each creating its own incision [7, 19]. The endoscopic procedures seem to be simpler but the inconvenience in using manipulators often leads to prolonged intervention time or even failure [18, 20].
Consequently the mini-laparoscopic approaches such as LESS or SILS have been considered as possible ways for removal of bladder foreign bodies.
There are only a few reports on the use of single-port access for tape removal directly from the bladder [21, 22]. The experiences are encouraging even for outpatient surgery [21]. The TriPort® allows up to 3 instruments to be used simultaneously through a single incision and makes single-port surgery feasible and efficient. This port is sharply ended and blunt insertion into the bladder does not give rise to any difficulties. The short procedure time of our initial attempts encourages continuation of this method. However, further refinements in instrumentation and operative techniques will be required before this way of surgical access can be widely accepted.


In this paper we have demonstrated the feasibility and efficacy of the LESS technique for removal of eroded slings from the bladder. This procedure offers excellent visualization inside the bladder and provides patients with a minimally invasive approach through a single small incision. Introduction of articulating instruments, multifunctional devices and a flexible 5-mm camera can overcome the limitations of a reduced number of ports.


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Copyright: © 2011 Fundacja Videochirurgii This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) License (http://creativecommons.org/licenses/by-nc-sa/4.0/), allowing third parties to copy and redistribute the material in any medium or format and to remix, transform, and build upon the material, provided the original work is properly cited and states its license.
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