水蒸気療法はどのようにして前立腺を縮小させるのでしょうか?

最終更新日： 2026年4月29日

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A ton of questions from patients on this new prostate treatment therapy! That’s why this article is being created to crystalize on how Water Vapor prostate therapy can shrinks the prostate gland.

• 泌尿器センター バンコク病院 タイ オンライン予約 02-310-3009 bhquro@bdms.co.th
• サミティジ・シラチャ病院 チョンブリ 088-022-1445

We all know that Benign prostatic hyperplasia (BPH) is commonly found in a gentleman who are more than 50 years old. By its enlargement, it is very impaired and reduced the quality of life. Medications that has been produced and purposely to relieve the BPH’s symptoms but most of the times patient always interrupted for its own side effects such as Dizziness, ejaculation disorder and a big problem is erectile dysfunction. That’s why Water Vapor therapy is taking advance and being created.

前立腺良性疾患とは何ですか? おそらくそれを取り除くことができますか？

Water Vapor therapy for benign prostatic hyperplasia – Patient instructions

Water Vapor prostate therapy’s mechanism fundamental

It is totally different from the other minimally invasive procedure in the market which is the process that trying to transfer heat via the prostate, but the Water Vapor therapy here it is like its name, it’s been using thermal vaporize heat which the heat will be transferred via a very small needle that puncture prostate tissue (the needle size is smaller than the needle that used in blood donation)

• The urologist will decide how many times to punctures when the prostate gland’s size is been visualized during cystoscopy.
• 前立腺組織に注入した後の穿刺深さは10mm。
• その後、泌尿器科医は各穿刺に9秒かかる高温の水蒸気注射を行う。
• 科学的根拠として、術後6ヶ月で前立腺の28.9%が縮小することが示された。

短所は？

• No tissue specimen can be collected if prostate cancer is suspected.
• New technology with less long-term evidence compared to conventional endoscopic prostate resection.
• Recommended for prostate size between 30 mL to 80 mL only.

何か質問があれば、信頼できる泌尿器科医に相談してください。お大事に！

Dr. Soarawee was the first urologist to introduce Rezum Water Vapor Therapy to Cambodia. Learn more about his clinical innovations and international milestones.

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お客様からよくいただくご質問

Q1: How does Water Vapor therapy shrink the prostate?

Water Vapor therapy uses thermal energy delivered through a small needle inserted into the prostate tissue. When hot water vapor contacts the cooler prostate tissue, it condenses back into liquid, releasing a large amount of energy that causes targeted cell death. The destroyed tissue is then naturally reabsorbed by the body over the following weeks, resulting in approximately 28.9% prostate volume reduction at 6 months.

Q2: Is Water Vapor therapy painful?

Water Vapor therapy is performed under anesthesia, so patients do not feel pain during the procedure. Each vapor delivery takes only 9 seconds per puncture site. Post-procedure discomfort is generally mild and manageable. Because the needle used is smaller than a standard blood donation needle, tissue trauma is minimal compared to conventional prostate surgery.

Q3: Who is a good candidate for Water Vapor therapy?

Water Vapor therapy is recommended for men with benign prostatic hyperplasia (BPH) whose prostate size is between 30 mL and 80 mL. It is particularly suitable for men who wish to avoid the sexual side effects associated with conventional BPH medications, such as erectile dysfunction and ejaculation disorders. Your urologist will assess your prostate size and symptom severity to confirm suitability.

Q4: Does Water Vapor therapy affect sexual function?

One of the key advantages of Water Vapor therapy is its preservation of sexual function. Unlike conventional BPH medications and some surgical approaches, Water Vapor therapy has been shown to have minimal impact on erectile function and ejaculation. This makes it an attractive option for sexually active men who are concerned about treatment-related sexual side effects.

Q5: How long does recovery take after Water Vapor therapy?

Water Vapor therapy is a day-care procedure, meaning most patients can go home the same day. A temporary urinary catheter may be placed for a short period after the procedure. Urinary symptoms typically improve gradually over several weeks as the treated prostate tissue is reabsorbed. Most patients experience significant symptom improvement within 3 months of the procedure.

If you are experiencing urinary symptoms from an enlarged prostate and would like to explore Water Vapor therapy, Dr. Soarawee Weerasopone offers specialist consultations at Bangkok Hospital Headquarters. 診療をご予約.

**免責事項:** このコンテンツは、バンコク病院本部の認定泌尿器科医であるSoarawee Weerasopone博士によって作成およびレビューされました。教育目的のみのものであり、医学的アドバイスを構成するものではありません。いかなる医療処置を開始する前にも、必ず資格のある医療専門家にご相談ください。.