Rezum Water Vapor Therapy
Minimal invasive management for the relief of LUTS (lower urinary tract symptoms)
Why is it done?
- This procedure is performed when the prostate gland is causing LUTS and you want an alternative to medication without the complications of a permanent procedure.
- Symptoms include (LUTS):
- a weak stream,
- nightly urination,
- frequent urination,
- inability to urinate,
- kidney failure due to the obstruction,
- bladder stones,
- recurrent bladder infections.
- Medication such as Flomaxtra, Urorec Minipress etc. should always be given as a first resort. All have side effects that you may not like.
- This is alternative to medication where the ejaculatory function is to be preserved.
- Prostate cancer first needs to be ruled out by doing a PSA, and when indicated, with a 3T MRI scan of the prostate with an abnormal PSA with a possible prostate biopsy of any suspicious lesions. Prostate sizes up to 80 cc, even mid lobe are acceptable
How is it done?
- Patients will receive general anesthesia, unless contra-indicated.
- A cystoscopy is performed by placing a camera in the urethra with the help of a lubricant jelly and an irrigant (fluid).
- The inside of the bladder is viewed for pathology. If any suspicious lesions are seen, a biopsy will be taken.
- The device is placed through the cystoscopy sheath.
- Prostate lobes are injected with water vapor, 2-6 injections 10 seconds each
- Prophylactic antibiotics will be given to prevent any infections.
- Any anesthesia has its risks, and the anesthetist will explain this to you.
- You will require an indwelling urinary catheter for 5-10 days depending on the size of your prostate
- Lower abdominal discomfort for a few days
- Could have an inflammatory response requiring antibiotics.
- Discomfort in urination can last 6 weeks.
- Full results will be experienced at 3 months
NB! Hang in there, it is worth it! Each person is unique and for this reason, symptoms vary!
Complications
- Ejaculation will mostly not be affected as is the case with medication, TURP and TUVP, therefore no retrograde ejaculation, thus preserving sexual function,
- In a small % of cases the bladder neck is treated, there may be retrograde ejaculation, this will be discussed with you.
- Infertility should not be an issue as there is no retrograde ejaculation. Don’t do it if you still want children.
- You will be discharged with a catheter.
- A trial of void (removal catheter) will be scheduled 5-10 later as soon as the major swelling has gone down
- Larger prostates may fail and require the catheter for a further 5 days.
- Suprapubic pain will improve over the next 7 days.
- No Stress incontinence especially in the elderly and the diabetic patients
- You may experience a slower stream initially due to swelling
- Some urgency and dysuria for 6 weeks
- Possible infection due to avascular / necrotic tissue
- You will pass the hemolyzed dead tissue in the form of brown discolored fluid at the 14-day mark.
- Allow for 6 weeks for stabilization of symptoms thereafter.
- There may be some blood in your urine. You can remedy this by drinking plenty of fluids until it clears.
- A follow-up appointment will be scheduled for 6 weeks.
- The full extent of this procedure will only appreciated at 3 months.
Copyright 2019 Dr Jo Schoeman

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