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J Pediatr Urol. 2013 Dec;9(6 Pt B):1093-7. doi: 10.1016/j.jpurol.2013.03.015. Epub 2013 May 6.

Use of holmium:YAG laser in posterior urethral valves: another method of fulguration.

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Department of Urology, King George's Medical University, (Formerly, Chhatrapati Shahuji Maharaj Medical University), Lucknow, India.



To evaluate the use of holmium:YAG laser for posterior urethral valve (PUV) fulguration and compare with electro-fulguration.


Forty boys underwent primary fulguration of PUV using 20-25 W holmium laser (Group 1) from January 2009 to December 2011. Data of last 40 boys (retrospective cohort: January 2005 to December 2008) who underwent electro-fulguration (Group 2) for PUV were compared with group 1. Ultrasonography was done at 2 weeks and 3 months and voiding cystourethrography at 3 and 6 months respectively after fulguration and as needed thereafter. DTPA scan and urodynamic study were performed during follow-up in select patients, as required.


Pre-operative parameters were comparable between groups. Improvement in voiding occurred in 38 and 34 boys in group 1 and 2, respectively. Hydroureteronephrosis and vesico-ureteric reflux resolved in 53% and 60% in group 1 and 51% and 53% in group 2, respectively. Boys in group 1 had statistically significant greater success in voiding after catheter removal (40 vs 32), shorter period of catheterization (1 vs 1.8 days), lower mean operative time (15 vs 20 min), needed re-fulguration less commonly (2 vs 6), and were less likely to develop urethral stricture (0 vs 2) and urinary incontinence (0 vs 1).


PUV fulguration using holmium:YAG laser is a feasible, safe and effective alternative for endoscopic transurethral ablation with similar success, and appears to have fewer complications than electro-fulguration.


Posterior urethral valve; Valve fulguration

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