Wasserdampftherapie bei benigner Prostatahyperplasie - Patientenhinweise

Zuletzt aktualisiert: 29. April 2026

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The advancement of benign prostatic hyperplasia (BPH) treatment technology is now toward the “minimal invasive procedure”. The Water Vapor therapy is a day-care procedure which takes less than 10 minutes. This topic focuses on post-procedure patient instructions.

Was ist eine gutartige Prostataerkrankung? Würden Sie es möglicherweise loswerden?

• Urologiezentrum Bangkok Krankenhaus Thailand Online buchen 02-310-3009 bhquro@bdms.co.th
• Krankenhaus Samitivej Sriracha Chonburi 088-022-1445

Right after Water Vapor therapy

• You will be awoken by the anesthesiologist after moderate sedation.
• A urethral catheter will be retained for 1-2 weeks depending on prostate size.
• After 1-2 hours of observation in the recovery room, the doctor will decide if you can be discharged or need hospitalization.

Innerhalb von 7 Tagen nach der Wasserdampftherapie

• Take all medications as prescribed.
• Use pain killers as needed per prescription.

During catheterization

• Carry the urine bag at all times and empty it when full.
• Two bag options: 2L overnight bag or 500mL leg bag for active daily life. The nurse will show you how to switch between them.

On the day of catheter removal

• You will be scheduled to have the catheter removed at the clinic.
• After removal, 6 hours of voiding observation is required.
• If you void at least once successfully, you may go home.
• If you cannot void after 6 hours, the doctor will re-evaluate and decide next steps.

Innerhalb von 30 Tagen nach der Wasserdampftherapie

• Continue oral prostate medication during the transitional period.
• Expect some improvement at 2 weeks post-procedure, with best outcomes at 3 months.

Possible adverse effects within 3 months (typically resolve within 3 weeks)

1. Blutiges Wasserlassen 14%
2. Schmerzhaftes Wasserlassen 21%
3. Blutiges Sperma 10%
4. Harnwegsinfektion 7%
5. Harnverhalt 12%
6. Harndrang 10%
7. Häufigkeit des Urinierens 10%
8. Schmerzen im Beckenbereich 3%

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Häufig gestellte Fragen (FAQ)

Q1: How long do I need a urethral catheter after Water Vapor therapy?

Most patients require a urethral catheter for 1-2 weeks after Water Vapor therapy. The duration depends on your prostate size — larger prostates may need a longer catheterization period. Your urologist will schedule catheter removal and assess your ability to void before you are discharged home.

Q2: When will I notice improvement in urinary symptoms after Water Vapor therapy?

Most patients notice some improvement in urinary symptoms starting around 2 weeks after the procedure as initial swelling subsides. The best clinical outcome is typically seen at 3 months post-procedure, once the treated prostate tissue has been fully reabsorbed by the body.

Q3: What side effects should I expect after Water Vapor therapy?

Common temporary side effects include painful urination (21%), bloody urination (14%), urinary retention (12%), urinary urgency and frequency (10% each), bloody semen (10%), urinary tract infection (7%), and pelvic pain (3%). Most of these resolve spontaneously within 3 weeks. Contact your urologist if symptoms are severe or persist beyond this timeframe.

Q4: Can I go home the same day after Water Vapor therapy?

Water Vapor therapy is designed as a day-care procedure. After 1-2 hours of observation in the recovery room, most patients can be discharged home the same day if they are stable. In some cases, overnight hospitalization may be recommended. You will go home with a urethral catheter in place, and a nurse will teach you how to manage the urine bag at home.

Q5: Do I still need to take prostate medication after Water Vapor therapy?

Yes, for the first 30 days after the procedure, continuing oral prostate medication is recommended to help manage urinary symptoms during the transitional healing period. As the treated prostate tissue is gradually reabsorbed and symptoms improve over the following months, your urologist will reassess whether ongoing medication is still needed.

If you are considering Water Vapor therapy for BPH or have questions about your recovery, Dr. Soarawee Weerasopone offers specialist consultations at Bangkok Hospital Headquarters. Beratungstermin buchen.

**Haftungsausschluss:** Dieser Inhalt wurde von Dr. Soarawee Weerasopone, einem Facharzt für Urologie am Bangkok Hospital Headquarters, verfasst und überprüft. Er dient ausschließlich Bildungszwecken und stellt keine medizinische Beratung dar. Konsultieren Sie immer einen qualifizierten Mediziner, bevor Sie eine medizinische Behandlung beginnen.