Evaluation of the efficiency of an ultrasound-supported infiltration technique in patients with tennis elbow applying the ITEC medical device: a multicenter study.

Background: The treatment of lateral epicondylitis remains unsatisfactory in certain cases. The aim of this study is to investigate the efficiency of an ultrasound-guided infiltration combined with fenestration of the extensor tendon postulating a 50% reduction in pain on exertion within 6 months.

Methods: In a prospective, nonrandomized, multicenter study design, 68 patients with chronic lateral epicondylitis and symptoms lasted for at least 6 weeks were included.

[Infiltration therapies for lateral epicondylopathy].

The therapy of the lateral epicondylopathy (tennis elbow) includes drug injection into the extensor tendon insertion in chronic cases. The choice of medication and the type of injection is decisive for the success of therapy. Furthermore, accurate application is indispensable for therapy success (e.