Longer bulbar urethral stricture or those located in the penile urethra require tissue transfer techniques (grafts or flaps).
The choice of either depends on the preference and experience of the surgeon, since the results are similar recurrence. When it is required to replace the entire circumference of the urethra, it is preferable urethroplasty in two or more times.
Difference between a flap and graft
The skin flap is a piece of skin that is moved or rotated to the area to be covered. In this case, the open area is usually urethra, which has an intact vascular pedicle is essential to maintain its vitality.
Grafting involves the transfer of tissue to tissue devascularized whose nutrition and vitality will depend directly on the receiving area. In urethral surgery, grafts are most commonly used preputial the skin and oral mucosa.
Urethroplasty in two or more times
Experts in Urology often recommend this surgery in complex stenosis. Its procedure is as follows:
- In the first operation, cleaves or urethra ill with a graft expands.
- Thereafter, urethra open for a period of time and when the tissues have healed, subtracting in good condition is left, a second operation is performed.
- This second intervention will serve to close the urethra and restore the continuity of the same.