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Eccentric Loading, Shock-Wave Treatment, or a Wait- and-See Policy for Tendinopathy of the Main Body of Tendo Achillis

2007; SAGE Publishing; Volume: 35; Issue: 3 Linguagem: Inglês

10.1177/0363546506295940

1552-3365

Jan D. Rompe, B. Nafe, John P. Furia, Nicola Maffulli,

Sports injuries and prevention

Background Few randomized controlled trials compare different methods of management in chronic tendinopathy of the main body of tendo Achillis. Purpose To compare the effectiveness of 3 management strategies—group 1, eccentric loading; group 2, repetitive low-energy shock-wave therapy (SWT); and group 3, wait and see—in patients with chronic tendinopathy of the main body of tendo Achillis. Study Design Randomized controlled trial; Level of evidence, 1. Methods Seventy-five patients with a chronic recalcitrant (>6 months) noninsertional Achilles tendinopathy were enrolled in a randomized controlled study. All patients had received unsuccessful management for >3 months, including at least (1) peritendinous local injections, (2) nonsteroidal anti-inflammatory drugs, and (3) physiotherapy. A computerized random-number generator was used to draw up an allocation schedule. Analysis was on intention-to-treat basis. Results At 4 months from baseline, the Victorian Institute of Sport Assessment (VISA)-A score increased in all groups, from 51 to 76 points in group 1 (eccentric loading), from 50 to 70 points in group 2 (repetitive low-energy SWT), and from 48 to 55 points in group 3 (wait and see). Pain rating decreased in all groups, from 7 to 4 points in group 1, from 7 to 4 points in group 2, and from 8 to 6 points in group 3. Fifteen of 25 patients in group 1 (60%), 13 of 25 patients in group 2 (52%), and 6 of 25 patients in Group 3 (24%) reported a Likert scale of 1 or 2 points (“completely recovered” or “much improved”). For all outcome measures, groups 1 and 2 did not differ significantly. For all outcome measures, groups 1 and 2 showed significantly better results than group 3. Conclusion At 4-month follow-up, eccentric loading and low-energy SWT showed comparable results. The wait- and-see strategy was ineffective for the management of chronic recalcitrant tendinopathy of the main body of the Achilles tendon.