urethroplasty treatment
TRANSCRIPT
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COMBINED INLAY AND ONLAY BUCCAL MUCOSA URETHROPLASTY FOR LONG AND NARROW BULBAR URETHRAL STRICTURES
DR. GAUTAM BANGARECONSTRUCTIVE UROLOGISTCENTRE FOR URETHRA AND PENILE SURGERY (UPS)NEW DELHI, INDIA
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SHORT SEGMENT STRICTURE -6 FR URETROSCOPE CAN BE NEGOTIATED –SINGLE SIDE BUCCAL MUCOSA IS SUFFICIENT.
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BUT WHAT TO DO ABOUT STRICTURE WHICH DOES NOT EVEN HAVE A CALIBRE OF 6FR
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INTRODUCTION: Long segment urethral strictures with a very
narrow lumen pose an immense challenges for buccal mucosa augmentation urethroplasty.
Larger discrepancy in size of the graft and the native urethral plate makes it difficult to place the sutures and also makes the graft vulnerable to contracture and fibrosis.
Increasing the width of the urethral plate by a vertical midline mucosal incision and applying an additional inlay buccal mucosal graft may lessen the discrepancy and help in improving the adequacy of the urethral lumen.
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INTRODUCTION Other option to deal with these kind of
strictures is dorsal onlay and ventral inlay. Spongiofibrosis is never full thickness except
in traumatic injury ( straddle injury/blunt trauma)
Partial thickness Spongiofibrosis and scarred mucosa can be removed completely and replaced by buccal mucosa.
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SURGICAL TECHNIQUE: Lithotomy position Epidural + general anesthesia. Vertical perineal incision. Mobilization of
bulbar urethra Dorsal ( one side kulkarni’s technique)or
ventral urethrotomy Vertical midline incision or complete removal
of scarred urethral plate with removal of thin layer of spongiofibrosis.
Inlay and onlay grafting done Urethra closed over 16 fr
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DISPARITY BETWEEN URETHRAL PLATE AND BUCCAL MUCOSA
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SCARRED URETHRAL PLATE AND THIN LAYER OF SPONGIOFIBROSIS REMOVED
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INLAY-ONLAY UNIFORMITY
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RESULTS:
Results were analysed on the basis of pre and post operative uroflowmetry.
Any kind of instrumentation was considered as failure.
Mean follow up 630 days. 22 patients have significant better flow rate
after surgery One patient developed ring stricture near
proximal anastomosis and managed by urethral dilatation.
One patient developed abscess followed by urine leak and was managed conservatively with indwelling catheter and antibiotics.
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CONCLUSION Combined urethroplasty avoid complete
transection of urethra. It widens the native urethral plate in an
anatomical manner Reduces the disparity between urethral plate
and onlay buccal mucosa. improves the success rate of long and very
narrow bulbar urethra strictures][
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