Hip international : the journal of clinical and experimental research on hip pathology and therapy · 2021
Greater trochanteric pain syndrome: focused shockwave therapy versus an ultrasound guided injection: a randomised control trial.
Рандомизированное исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Heaver Catriona, Pinches Megan, Kuiper Jan Herman, Thomas Geraint, Lewthwaite Simon, Burston Ben J, Banerjee Robin D
Аннотация
BACKGROUND: Greater trochanteric pain syndrome (GTPS) is a common problem with an incidence of 1.8-5.6 per 1000 population. Physiotherapy, anti-inflammatories, corticosteroid injections and surgery have all been described in the management of GTPS, with limited, temporal success. Extracorporeal shockwave therapy (ESWT) has been proposed as a potential non-invasive management option for this difficult presentation.
METHOD: We ran a prospective, 2-arm, single-blinded, randomised control trial comparing focused shockwave therapy (f-ESWT) to an ultrasound guided corticosteroid injection. Primary outcome measure was the visual analogue pain score. Secondary outcome measures included the Harris Hip Score (HHS) and Trendelenburg test for function; SF-36 for quality of life (QoL); and a Likert scale question for subjective assessment of symptom improvement.
RESULTS: 104 patients (10 males and 94 females), of mean age 61.5 years were recruited. 53 were randomised to receive ESWT and 51 to receive an image-guided injection. 11 patients were lost to follow-up. There were no significant differences in baseline scores between groups.At 3 months, pain, function and QoL scores had improved in both groups but were not statistically significant. The Trendelenburg test was significantly improved in the f-ESWT group with 80% patients being negative compared to 20% at baseline (p < 0.001).At 12 months, across all outcomes, the ESWT group had significantly improved scores compared to the injection group; VAS 37.1 versus 55.0 (p = 0.007, 95% confidence interval [CI], 6.3-30.8), HHS 69.7 versus 57.5 (p = 0.002, 95% CI, -20.0 to -4.6) and SF-36 52.4 versus 47.7 (p = 0.048, 95% CI, -9.31 to -0.04). The improvement in Trendelenburg test was maintained in the ESWT group, but the injection group had reverted to baseline (p < 0.001).
CONCLUSIONS: We have shown f-ESWT is an effective treatment for patients with GTPS. We would advocate f-ESWT as an effective non-invasive treatment modality for this challenging patient population.Trial Registration No. ISRCTN8338223.
METHOD: We ran a prospective, 2-arm, single-blinded, randomised control trial comparing focused shockwave therapy (f-ESWT) to an ultrasound guided corticosteroid injection. Primary outcome measure was the visual analogue pain score. Secondary outcome measures included the Harris Hip Score (HHS) and Trendelenburg test for function; SF-36 for quality of life (QoL); and a Likert scale question for subjective assessment of symptom improvement.
RESULTS: 104 patients (10 males and 94 females), of mean age 61.5 years were recruited. 53 were randomised to receive ESWT and 51 to receive an image-guided injection. 11 patients were lost to follow-up. There were no significant differences in baseline scores between groups.At 3 months, pain, function and QoL scores had improved in both groups but were not statistically significant. The Trendelenburg test was significantly improved in the f-ESWT group with 80% patients being negative compared to 20% at baseline (p < 0.001).At 12 months, across all outcomes, the ESWT group had significantly improved scores compared to the injection group; VAS 37.1 versus 55.0 (p = 0.007, 95% confidence interval [CI], 6.3-30.8), HHS 69.7 versus 57.5 (p = 0.002, 95% CI, -20.0 to -4.6) and SF-36 52.4 versus 47.7 (p = 0.048, 95% CI, -9.31 to -0.04). The improvement in Trendelenburg test was maintained in the ESWT group, but the injection group had reverted to baseline (p < 0.001).
CONCLUSIONS: We have shown f-ESWT is an effective treatment for patients with GTPS. We would advocate f-ESWT as an effective non-invasive treatment modality for this challenging patient population.Trial Registration No. ISRCTN8338223.