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UltraSound Guided Galvanic Electrolysis

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Other Names

  • Intratissue Percutaneous Electrolysis (EPI)
  • Percutaneous Needle Electrolysis (PNE)


  • US guided procedure which involves needle application of electrical current to promote healing
  • Novel, minimally invasive therapeutic technique
  • Ultrasound-guided needle insertion and application of a galvanic electrolytic current
  • Results in a non-thermal electrochemical reaction on degenerated tissue
  • Subsequently:
    • Inflammatory process
    • Increasing oxidative stress
    • Phagocytosis
    • Healing and regeneration of pathologic tissue


Rotator Cuff Tendonitis

  • In patients with subacromial pain syndrome, USGET combined with eccentric exercises resulted in small better outcomes at short term compared to when only eccentric exercises[1]

Lateral Epicondylitis

  • In a single arm study of patients with lateral epicondylitis, weekly USGET combined with eccentric exercises and home stretching resulted in 83% of patients rating overall outcome as successful at 6 weeks.[2]
  • US findings in these patients showed that the hypoechoic regions and hypervascularity of the extensor carpi radialis brevis changed significantly

Patellar Tendonitis

  • USGET combined with eccentric exercises was superior to conventional electro physiotherapy (consisting of ultrasound, laser and interferential current techniques) for pain and function[3]

Achilles Tendonitis

  • There is currently a trial registered with clinicaltrials.gov evaluating USGET for achilles tendinopathy[4]

Plantar Fasciopathy

  • In a case series of patients treated for plantar fasciitis, the authors found that 10/17 patients improved within one month, from which 4 had no symptoms and the other 7 had no relief[5]


  • Unknown
    • Avoid in patients with pacemakers?



  • Ultrasound Machine
  • Need description of kit, vendor?


  • Sterile


  • Variable depending on location


  • Needs to be updated


  • Needs to be updated


  • Unknown

See Also


  1. Arias-Buría, José L., et al. "Ultrasound-guided percutaneous electrolysis and eccentric exercises for subacromial pain syndrome: a randomized clinical trial." Evidence-Based Complementary and Alternative Medicine 2015 (2015).
  2. Valera-Garrido, Fermín, Francisco Minaya-Muñoz, and Francesc Medina-Mirapeix. "Ultrasound-guided percutaneous needle electrolysis in chronic lateral epicondylitis: short-term and long-term results." Acupuncture in Medicine 32.6 (2014): 446-454.
  3. Abat, Ferran, et al. "Randomized controlled trial comparing the effectiveness of the ultrasound-guided galvanic electrolysis technique (USGET) versus conventional electro-physiotherapeutic treatment on patellar tendinopathy." Journal of experimental orthopaedics 3.1 (2016): 34.
  4. https://clinicaltrials.gov/ct2/show/NCT03167554
  5. Freire, Gonçalo, et al. "Ultrasound guided Intratissue Percutaneous Electrolysis (EPI) technique–a new approach to plantar fasciitis?." European Congress of Radiology 2018, 2018.
Created by:
John Kiel on 2 November 2019 16:00:37
Last edited:
5 November 2023 13:56:31