the efficacy and safety of low intensity shock wave therapy (LiSWT) as an ED treatment. Olsen et al. demonstrated that LiSWT might be a possible solution in some ED patients of organic origin . The clinical results revealed that LiSWT was beneficial to ED patients nonresponsive to phosphodiesterase type 5 inhibitors (PDE5i) Animal studies revealed that LiSWT significantly improved ischemic muscle hemodynamics and might restore pathological changes in rats .

Inclusion Criteria:

• Patient with erectile dysfunction post pelvic fracture associated with urethral injury as estimated via urethrography or endoscopy, managed by urethroplasty and proceed for LiSWT sessions, 3 months post operative.
• Age 18-70 years.
• Patient is able and willing to sign informed consent & complete all study requirements.

Exclusion Criteria:

• Previous hypospadias surgery.
• Previous surgery for congenital curvature or Peyronie's disease.
• Previous pelvic irradiation therapy.
• Known grave psychiatric disorder.
• Haemophilia or any other clotting disorder that causes bleeding diathesis.
• Use of medication to increase erectile function, such as phosphodiesterase type 5 inhibitors and intracavernous injections, during the study.
• Other causes of erectile dysfunction either physical causes as diabetes mellitus, hypertension, cardiovascular disease & emotional causes.
• Any condition or situation that, in the investigator's opinion, puts the patient at significant risk, could confound the study results, or could interfere significantly with the patient's participation in the study.