Laser Bladder Neck Incision (BNI)

Bladder neck incision (BNI) is performed for bladder neck dysfunction. The bladder “neck” which is found at the junction between the bladder and prostate fails to open appropriately. Men with this condition have often had voiding problems since relatively young and have very little in the way of prostatic growth. The bladder neck has bulked up as the man has learnt not to relax it properly when voiding, in much the same way as any muscle will get bigger if exercised repeatedly at the gym.

BNI involves dividing the fibres of the bladder neck to improve flow. It can be performed with the same instruments used for either TURP or HolEP. Laser bladder neck incision involves using the laser to make two separate cuts through muscle fibres at the 5 and 7 o’clock position (as viewed from the feet facing towards the head and imagining a clock face).

Using a lubricating anaesthetic gel an endoscope is introduced up the urethra (outflow pipe). The scope has a light and camera technology so that structures can be seen, an irrigating system to wash away blood and debris and a working channel through which the laser fibre is directed.

Similar types of risks exist for the resection of large prostates but are even less frequently seen. Post-operative care is similar but hospital stay is generally only for 24 hours.

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Phone: (09) 309 0912
Email: info@aucklandurologist.co.nz