scholarly journals High Energy Extracorporeal Shock Wave Therapy as a Treatment of Insertional Achilles Tendinopathy (SS-70)

Author(s):  
John P. Furia
2016 ◽  
Vol 2016 ◽  
pp. 1-6 ◽  
Author(s):  
Ziying Wu ◽  
Wei Yao ◽  
Shiyi Chen ◽  
Yunxia Li

Purpose.To compare the results of extracorporeal shock wave therapy (ESWT) for insertional Achilles tendinopathy (IAT) with or without Haglund’s deformity.Methods.Between September 2014 and May 2015, all patients who underwent ESWT were retrospectively enrolled in this study. A total of 67 patients were available for follow-up and assigned into nondeformtiy group (n=37) and deformtiy group (n=30). Clinical outcomes were evaluated by VISA-A Score and 6-point Likert scale.Results.The VISA-A score increased in both groups, from49.57±9.98at baseline to83.86±8.59at14.5±7.2months after treatment in nondeformity group (P<0.001) and from48.70±9.38at baseline to67.78±11.35at15.3±6.7months after treatment in deformity group (P<0.001). However, there was a greater improvement in VISA-A Score for the nondeformity group compared with deformity group (P=0.005). For the 6-point Likert scale, there were decreases from3.92±0.80at baseline to1.57±0.73at the follow-up time point in nondeformity group (P<0.001) and from4.0±0.76at baseline to2.37±1.03at the follow-up time point in deformity group (P<0.001). There was no significant difference in improvement of the 6-point Likert scale between both groups (P=0.062).Conclusions.ESWT resulted in greater clinical outcomes in patients without Haglund’s deformity compared with patients with Haglund’s deformity.


2016 ◽  
Vol 2016 ◽  
pp. 1-5 ◽  
Author(s):  
Yi Cheng ◽  
Jian Zhang ◽  
Yehua Cai

Introduction. The aim of this study was to investigate the utility of ultrasonography (US) for predicting and assessing the effectiveness of extracorporeal shock wave therapy (ESWT) in insertional Achilles tendinopathy (IAT).Methods. A total of 42 patients with an established diagnosis of chronic IAT were examined by US before ESWT and at 4 weeks and 12 weeks after ESWT. The thickness and cross-sectional area (CSA) of the Achilles tendon, size of calcific plaques, tendon structure score, and neovascularization score were measured at each time point.Results. After therapy, Victorian Institute of Sport Assessment-Achilles (VISA-A) scores increased significantly, and the size of calcific plaques decreased (P<0.05). Neovascularization scores increased at the 4th week and then decreased at the 12th week (P<0.05). The thickness, CSA, and structure of the Achilles tendon did not change. Variables observed by US at baseline were not associated with changes in VISA-A scores at follow-up. However, the changes in calcific plaque size and neovascularization scores were related to the improvement of VISA-A scores between pre- and posttherapy (P<0.01).Conclusion. Ultrasonography can reveal some changes in the insertion of the Achilles tendon after ESWT, but the outcome of ESWT in IAT cannot be predicted by the variables observed by US.


2021 ◽  
pp. 194173812199179
Author(s):  
Matthias Gatz ◽  
Sebastian Schweda ◽  
Marcel Betsch ◽  
Timm Dirrichs ◽  
Matias de la Fuente ◽  
...  

Background: Extracorporeal shock wave therapy (ESWT) is a widely considered treatment option for Achilles tendinopathy. Line-focused ESWT is a novel technique treating a larger tendon area than point-focused ESWT. Monitoring capacities of clinical symptoms with ultrasound under ESWT treatment are unknown. Hypothesis: Point- and line-focused ESWT have a superior outcome than placebo ESWT. ESWT leads to morphological tendon changes detectable with ultrasound. Study Design: Single-blinded placebo-controlled randomized contolled trial. Level of Evidence: Level 1. Methods: The study was conducted in 3 cohorts, namely ESWT point (n = 21), ESWT line (n = 24), and ESWT placebo (n = 21). Victorian Institute of Sports Assessment–Achilles (VISA-A) score was measured before the intervention (T0), after 6 weeks (T1), and after 24 weeks (T2). All cohorts performed daily physiotherapy for 24 weeks and received 4 sessions of point-focused, line-focused, or placebo ESWT in the first 6 weeks. Ultrasound was performed with B-mode, power Doppler, shear wave elastography (SWE) at T0 and T2 and with ultrasound tissue characterization (UTC) at T0, T1, and T2. Data were analyzed with a mixed analysis of variance and t test. Results: There was a significant VISA-A improvement over time for all groups ( P < 0.001). ESWT point had the strongest VISA-A score improvement +23 (ESWT line: +18; ESWT placebo: +15), but there was no significant interaction between time and any of the groups: F(4, 116) = 1.393; P = 0.24. UTC, power Doppler, and B-mode could not show significant alterations over time. SWE revealed a significant increase of elastic properties for ESWT point in the insertion ( t = −3.113, P = 0.03) and midportion ( t = −2.627, P = 0.02) over time. Conclusion: There is a significant VISA-A score improvement for all study groups without a statistically significant benefit for ESWT point or ESWT line compared with ESWT placebo. Tendon adaptation could only be detected with SWE for ESWT point. Clinical Relevance: The present study could not detect any statistically relevant effect of ESWT compared to placebo. SWE is able to demonstrate tendon adaptation.


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