alexa The Ultrasound-Guided Intratissue Percutaneous Electrolysis (EPI®) for the Treatment of Refractory-Neovascular Patellar Tendinopathy | OMICS International
ISSN: 2573-0312
Journal of Physiotherapy & Physical Rehabilitation
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The Ultrasound-Guided Intratissue Percutaneous Electrolysis (EPI®) for the Treatment of Refractory-Neovascular Patellar Tendinopathy

Jose Manuel Sánchez-Ibáñez*

Department of Invasive Physiotherapy in Sports Injuries, University of Lleida, Spain

*Corresponding Author:
Jose Manuel Sánchez-Ibáñez
CEREDE Sports Injuries Clinic
Department of Invasive Physiotherapy in Sports Injuries
University of Lleida
E-mail: [email protected]

Received date: December 28, 2016; Accepted date: December 29, 2016; Published date: December 30, 2016

Citation: Sánchez-Ibáñez JM (2016) The Ultrasound-Guided Intratissue Percutaneous Electrolysis (EPI®) for the Treatment of Refractory- Neovascular Patellar Tendinopathy. Physiother Rehabil 1:i101. doi:10.4172/2573-0312.1000i101

Copyright: © 2016 Sánchez-Ibáñez JM. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Refractory patellar tendinopathy (RPT) is a chronic disease with progressive degeneration of extracellular matrix, microtearing, and loss of tendon microarchitecture as a hallmark. The essential pathologic lesion of tendinopaty is often described as a failed healing response of the tendon, and persistence of the lesion is attributed to the tissue anchored in the proliferative or angiogenic phase, as shown in histopathology [1].

Structural findings of collagen degeneration and angiofibroblastic neoplasia have been well described and are now referred to as "neovascular tendinosis." The presence of neovascularization has been theorized to cause pain in patients with tendinopathy [2].

Recent studies have examined the role of neo-vessels and neoinnervation on chronic tendon pain and dysfunction, and interventions targeting this process have reported favorable outcomes in RPT (Figure 1) [3].


Figure 1: Ultrasound image with power doppler. Longitudinal view of a Patellar neovascular tendinopathy, with thickening of the tendon and hipoecoic image.

Ultrasound-guided Intratissue percutaneous electrolysis (EPI®) treatment is the application of a direct current (DC) whose catodic flow is transferred to the area of the degenerative tendon using an acupuncture needle [4].

This accumulated electrical charge (AEC) in the degenerative tissue will produce the activation of the molecular, celular and biological processes necessary to restore the regeneration mechanisms of the tendon. In recent studies it has been demonstrated that EPI® technique is effective in tendinopathy and sport muscular injuries (Figures 2-4) [5-7].


Figure 2: Patellar tendinopathy treatment using EPI® device (EPI Advanced S.L. Barcelona, Spain).


Figure 3: Hiperecoic image produced by the EPI® needle of 0.30 mm in the degenerative area of the tendon. This hiperecoic image corresponse to a gas density produced by the electrochemical response of the catodic flow (CF) in the degenerative extracelular matrix.


Figure 4: Ultrasound image in longitudinal view and colour doppler two week after the EPI® technique treatment ultrasound-guided. It is observed the degenerated area of the tendon that is substituted by a new connective tissue and decrease the neovascular effect.


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