勃起不全がLI-ESWTによってどのように改善されるか

最終更新日： 2026年4月29日

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Low-Intensity Extracorporeal Shock Wave Therapy (LI-ESWT) is a promising treatment for erectile dysfunction (ED). ED is an increasingly common complaint at my andrology office, affecting men across all age groups. I have previously discussed the 4 major causes of ED そして oral tablet therapy for ED.

• 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

Before LI-ESWT became available, patients who failed oral ED medication (PDE5 inhibitors) were advised to pursue more invasive options:

• Intracorporeal injection therapy — self-injection directly into the penis before every sexual activity
• Penile prosthesis implant surgery — a major operation requiring a highly experienced surgical team

The first official publication on LI-ESWT for ED appeared in 2010. Since then it has proven to fulfill key clinical requirements: scientifically significant effectiveness in ED treatment, applicability even for patients who have failed oral therapy, day-care minimally invasive procedure, and no serious side effects when performed by a well-trained andrologist.

Positive effects of LI-ESWT for erectile dysfunction

1. Short-term response
   • Improves arterial pressure inside the penis, directly improving erectile function
   • Scientifically confirmed synergistic effect when combined with oral PDE5 inhibitor therapy
2. Long-term response
   • Stimulates new blood vessel regeneration (angiogenesis)
   • Promotes restoration of nerve fibers
   • Reduces the natural fibrosis (scarring) process in penile tissue
   • Improves smooth muscle relaxation for better penile blood inflow

Limitations of LI-ESWT

1. Maintenance sessions required over time:
   • 10% of patients report ED recurrence at 3 months post-treatment
   • Over 40% report ED recurrence at 2 years
   • The maintenance program is individualized for each patient
2. Spinal cord injury patients will not benefit from LI-ESWT, as the brain-to-penile nerve connection is permanently disrupted
3. Untreated low testosterone patients require Testosterone Replacement Therapy alongside LI-ESWT, as hormonal deficiency is one of the 4 major causes of ED

LI-ESWT is increasingly becoming the primary weapon against organic ED instead of relying solely on oral medication. Any questions, discuss with your trusted andrologist.

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Frequently Asked Questions About LI-ESWT for Erectile Dysfunction

What is LI-ESWT and how does it treat erectile dysfunction?

LI-ESWT (Low-Intensity Extracorporeal Shock Wave Therapy) delivers low-energy acoustic waves to the penile tissue using a non-invasive probe. In the short term, it improves arterial blood pressure inside the penis. In the long term, it stimulates angiogenesis (new blood vessel growth), nerve fiber restoration, reduction of penile fibrosis, and improved smooth muscle relaxation. It has been scientifically validated since its first publication in 2010 and is approved for both ED patients who respond to oral medications and those who do not.

Who is a good candidate for LI-ESWT?

LI-ESWT is appropriate for men with vasculogenic (blood vessel-related) erectile dysfunction, including those who respond well to oral PDE5 inhibitors (as it can reduce dependence on medication) and those who have failed oral therapy. It is not effective for ED caused by spinal cord injury (disconnected nerve pathway) or untreated hypogonadism (low testosterone). For the latter, Testosterone Replacement Therapy should be optimized first and combined with LI-ESWT for best outcomes.

How many LI-ESWT sessions are needed and do results last?

A typical LI-ESWT course involves multiple sessions over several weeks, individualized per patient. Results are significant but require maintenance: approximately 10% of patients experience ED recurrence at 3 months and over 40% at 2 years post-treatment. A personalized maintenance schedule is planned with the andrologist. When combined with oral PDE5 inhibitors during the treatment period, there is a scientifically confirmed synergistic benefit. LI-ESWT is a day-care procedure with no serious side effects when performed by a trained specialist.

If you are experiencing erectile dysfunction and would like to discuss LI-ESWT or other treatment options, 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。.