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Bladder neck incision using a 70 W 2 micron continuous wave laser (RevoLix)
Thorsten Bach1, Thomas R W Herrmann, Christian Cellarius
1Department of Urology, Asklepios Hospital Barmbek, Ruebenkamp 220, 22291, Hamburg, Germany. t.bach@asklepios.com
World Journal of Urology
|May 3, 2007
Summary
The RevoLix 2-micron continuous wave laser offers a promising new treatment for recurrent bladder neck contracture. This bladder neck incision (BNI) procedure shows significant improvement in urinary flow and symptoms, with a low restenosis rate in initial trials.
Area of Science:
- Urology
- Minimally Invasive Surgery
- Laser Technology
Background:
- Postoperative bladder neck contracture is a common complication following initial surgery.
- Bladder neck incision (BNI) is the standard treatment, but high recurrence rates necessitate alternative options.
- Recurrent bladder neck contracture significantly impacts quality of life due to high-grade obstruction and urinary retention.
Purpose of the Study:
- To evaluate the initial experience and 1-year outcomes of using the RevoLix 2-micron continuous wave laser for bladder neck incision (BNI) in patients with recurrent bladder neck contracture.
- To assess the safety and efficacy of this novel laser technology in treating challenging cases of bladder neck sclerosis.
- To determine the impact of RevoLix laser BNI on urodynamic parameters, symptom scores, and quality of life.
Main Methods:
- A prospective trial involving 14 patients with second or third recurrence of bladder neck contracture.
- Bladder neck incision (BNI) performed using a 70 W 2-micron continuous wave RevoLix laser, with tissue vaporization.
- Outcomes including AUA-symptom score, quality of life index, and uroflowmetry were measured preoperatively and at 2 and 12 months postoperatively.
Main Results:
- The mean operative time was 7 minutes, and mean catheterization time was 6.5 hours.
- Significant improvement observed in mean maximum uroflow rate (9 ml/s to 23 ml/s).
- Substantial reduction in AUA-symptom score (22 to 8) and improvement in quality of life index (4 to 1).
- Two patients experienced restenosis within the 1-year follow-up period.
Conclusions:
- Bladder neck incision (BNI) with the RevoLix 2-micron laser is a fast, safe, and effective procedure for recurrent bladder neck contracture.
- The laser technology demonstrates promising results in improving urodynamic function and patient-reported outcomes.
- Further investigation with longer follow-up and larger patient cohorts is warranted to confirm these findings.
