18 research outputs found

    Editorial: Neurourology and incontinence

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    ProACT for stress urinary incontinence after radical prostatectomy.

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    Contains fulltext : 81844.pdf (publisher's version ) (Closed access)INTRODUCTION: Stress urinary incontinence is a bothersome complication of radical prostatectomy. Surgical treatment consists of the artificial urinary sphincter (AUS), the male sling and bulk injections. This study presents the results of the first series of implantations of ProACT in the Netherlands. Materials and METHODS: A non-validated questionnaire was sent to 29 male patients implanted with ProACT to determine Stamey score, pad count and questions about quality of life and satisfaction. Complications, revisions and explantations were registered. RESULTS: Mean follow-up was 41 months. Based on Stamey score four patients are continent at the end and nine patients according to the pad count. The average pad count decreased significantly. Remarkable was the high rate of dislocations and revisions and patients' satisfaction. CONCLUSIONS: ProACT is a less invasive treatment compared to the AUS. However, the procedure is associated with a substantial revision and explantation rate. ProACT can be part of a so-called step-up approach before opting for a more invasive treatment

    Clinical utility of neurostimulation devices in the treatment of overactive bladder: current perspectives

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    Contains fulltext : 174129.pdf (publisher's version ) (Open Access)OBJECTIVES: This review describes the evidence from established and experimental therapies that use electrical nerve stimulation to treat lower urinary tract dysfunction. METHODS: Clinical studies on established treatments such as percutaneous posterior tibial nerve stimulation (P-PTNS), transcutaneous electrical nerve stimulation (TENS), sacral nerve stimulation (SNS) and sacral anterior root stimulation (SARS) are evaluated. In addition, clinical evidence from experimental therapies such as dorsal genital nerve (DGN) stimulation, pudendal nerve stimulation, magnetic nerve stimulation and ankle implants for tibial nerve stimulation are evaluated. RESULTS: SNS and P-PTNS have been investigated with high-quality studies that have shown proven efficacy for the treatment for overactive bladder (OAB). SARS has proven evidence-based efficacy in spinal cord patients and increases the quality of life. TENS seems inferior to other OAB treatments such as SNS and P-PTNS but is noninvasive and applicable for ambulant therapy. Results from studies on experimental therapies such as pudendal nerve stimulation seem promising but need larger study cohorts to prove efficacy. CONCLUSION: Neurostimulation therapies have proven efficacy for bladder dysfunction in patients who are refractory to other therapies. SIGNIFICANCE: Refinement of neurostimulation therapies is possible. The aim should be to make the treatments less invasive, more durable and more effective for the treatment of lower urinary tract dysfunction

    Retraction of an intrathecal baclofen infusion catheter following suprapubic cystotomy: a case report.

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    Contains fulltext : 81671.pdf (publisher's version ) (Open Access)INTRODUCTION: Intrathecal baclofen, administered via a Baclofen pump, is used for patients with spasticity. We report here a case of intrathecal catheter retraction following surgery. CASE REPORT: A male patient with adrenoleukodystrophy and a baclofen pump implant was admitted to the urology department with bladder stones. A transurethral cystolithotripsy and a suprapubic cystotomy were performed. Following surgery there was no adequate spasm control. Plain abdominal X-ray showed complete retraction of the catheter out of the intrathecal space. DISCUSSION: Intrathecal catheter retraction after surgery has been reported in a few cases. The retraction in this case did not seem to be due to the suprapubic cystotomy itself, but was more likely due to the positioning of the patient for cystoscopy and surgery, combined with possible loosening of the anchoring of the catheter. CONCLUSION: Specific attention should be paid to the positioning of patients before surgery in order to avoid intrathecal baclofen catheter withdrawal

    Urodynamic Effects of Prostatic Urethral Lift Procedure for Male Voiding Lower Urinary Tract Symptoms

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    Aims: Primary objective is to investigate whether prostatic urethral lift (PUL) results in an improvement of urodynamic parameters that define bladder outlet obstruction (urethral resistance algorithm [urethral resistance factor (URA)], Schäfer grade, detrusor pressure at maximum flow [P(det)Q(max)], and detrusor pressure at bladder opening [P(det)Open]). Materials and Methods: Twenty patients (main inclusion criteria: ≥50 years of age, benign prostatic obstruction (BPO), international prostate symptom score (IPSS) ≥13, prostate volume ≤60 mL, and no middle prostate lobe) were enrolled in the study and a PUL was performed. Patients underwent urodynamic investigation and filled out the IPSS and quality of life (QoL) before and after PUL. A paired t-test was used to analyze the results. Results: The mean age was 68 years (range 55-79), mean prostate volume (TRUS) was 45 mL (range 20-59), and mean prostate-specific antigen was 2.0 μg/L (0.2-4.4). IPSS of the 16 patients reduced significantly (from 22.20 to 14.47, p = 0.000). Q(max) during pressure flow study improved significantly (from 4.5 to 7.2 mL/s, p = 0.001), no significant difference was found in Q(max) during free uroflowmetry. There was no significant difference found in postvoiding residual. URA decreased significantly post-treatment (from 52 to 37 cmH(2)O, p = 0.000). The Schäfer obstruction plot decreased significantly (from 3.5 to 2.6, p = 0.022). Seven patients underwent Greenlight Laser Vaporization of the prostate after the PUL attributable to unsatisfactory results. Conclusions: PUL has desobstructive effects, but they seem clinically modest. The procedure improves urodynamic parameters as well as QoL in males with lower urinary tract symptoms based on BPO. However, the mechanism how PUL leads to a remarkable symptom relief remains unclear and cannot be explained by the desobstructive mechanisms we observed

    A New Implanted Posterior Tibial Nerve Stimulator for the Treatment of Overactive Bladder Syndrome: 3-Month Results of a Novel Therapy at a Single Center

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    PURPOSE: This study was designed to investigate the safety and performance of a new implantable system for tibial nerve stimulation for overactive bladder symptoms. MATERIALS AND METHODS: A battery-free stimulation device for tibial nerve stimulation (BlueWind Medical, Herzliya, Israel) was implanted in 15 patients. Safety and efficacy assessments were done at 3 months after activation with a 3-day bladder diary, a 24-hour pad test and 2 quality of life questionnaires. RESULTS: Two males and 13 females were enrolled in the study. Mean age was 54 years (range 19 to 72). Five of 15 patients were previously treated with percutaneous tibial nerve stimulation and 12 experienced urgency urinary incontinence. Median operative time was 34 minutes. At 3 months of followup a significant change was seen in 24-hour frequency from a mean +/- SD of 11.8 +/- 3.5 to 8.1 +/- 2.0 times per day (p = 0.002), the number of severe urinary urgency episodes from 6.5 +/- 5.1 to 2.0 +/- 2.1 times per day (p = 0.002), the number of severe incontinence episodes from 2.8 +/- 5.2 to 0.3 +/- 0.4 episodes per day (p = 0.017), urinary loss per day from 243 +/- 388 to 39 +/- 55 gm (p = 0.038) and improvement in quality of life. After implantation, 3 patients received prolonged antibiotic treatment and 3 received pain medication for 1 week. In 1 patient the device was explanted due to pain and swelling suspicious for infection, although tissue cultures did not reveal a bacterial infection. CONCLUSIONS: This novel posterior tibial nerve stimulator is safe and easy to implant with good clinical results
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