ESWT Research

IndicationArticle TitleJournal ReferenceAuthorKey Points
Plantar FasciitisLong-Term Results of Extracorporeal Shock Wave Technology for Plantar FasciitisAm J Sports Med. 2006 Apr;34(4):592-6.C. Wang, MDPatients were followed 5 - 6
years after ESWT and reported 82.7% good to excellent results (69.1%
excellent, 13.6% good). The study control group using conservative
therapies reported only 55% good results after the same amount of time.
Plantar FasciitisEffectiveness of Extracorporeal Shock Wave Technology in 353 Patients with Chronic Plantar FasciitisThe Journal of the American Podiatric Medical Association Volume 95 No.6 November/December 2005D. Norris, MDPost-treatment survey of 353
patients reporting 76% of patients experiencing 43% decline in pain and
66% of patients experiencing 44% increase in mobility. 69% of patients
indicated they would recommend the high energy extracorporeal shock wave
procedure.
Osteonecrosis of the Femoral HeadTreatment for Osteonecrosis for
the Femoral Head: Comparison of Extracorporeal Shock Waves with Core
Decompression and Bone-Grafting
The Journal of Bone and Joint Surgery November 2005C. Wang, MDExtracorporeal Shock Wave
Treatment appeared to be more effective than core decompression and
nonvascularized fibular grafting for providing short-term pain relief
for patients affected by early stages of osteonecrosis of the femoral
head.
Plantar FasciitisElectrohydraulic High-Energy Shock- Wave Treatment for Chronic Proximal Plantar FasciitisJournal of Bone and Joint Surgery, Inc. Volume 86-A, Number 10, October 2004J. Ogden, MDReports that high-energy shock
waves to the heel is a safe and effective non-invasive method to treat
chronic plantar fasciitis with outcomes maintained one year and up to
five years.
Animal Study*

Patellar Tendonopathy

Effect of Shock Wave Therapy on Patellar Tendonopathy in a Rabbit ModelJournal of Orthopaedic Research, 22 (2004) pp. 221-227R. Hsu, MDHistological exams at 4and 16 weeks after ESWT found increased tenocyte production with neovascularization at 16 weeks.
Plantar FasciitisSymptom Duration of Plantar Fasciitis and the Effectiveness of OrthotripsyFoot & Ankle International, Vol. 24,No. 12/December 2003R. Alvarez, MDDiscusses that patients have a
slightly better outcome if they have had chronic plantar fasciitis for
1-2 years compared to patients who had been diagnosed longer. An
important secondary finding was that one hundred and twenty three
patients were followed 2-5 years and their outcomes were maintained.
Calcaneal Bone SpursEffect of Extracorporeal Shock Waves on Calcaneal Bone SpursFoot & Ankle International, Vol. 24,No. 12/December 2003G. Lee, MDReviews 308 patients treated with
ESWT and finds that the presence or absence of heel spurs does not
affect the likelihood of a positive outcome. 82% of patients with heel
spurs had excellent to good outcomes and 79% of patients without heel
spurs reported excellent to good outcomes.
Rotator Cuff Tendonitis*Extracorporeal Shock Wave Therapy for the Treatment of Chronic Calcifying Tendonitis of the Rotator CuffJAMA, Nov. 19, 2003L. Gerdesmeyer, MDThis study discusses that high energy shockwave application is more effective than placebo and
significantly more effective than low energy application. At 12 months
the high-energy group had 86% complete resolution, compared to the
low-energy and sham subjects who at 12 months were only 37% and 25%
respectively.
Animal Study*

Vascularization

Shock Wave Therapy Induces Neovascularization at the Tendon-Bone Junction: A Study in RabbitsJournal of Orthopaedic Research, 21 (2003) pp. 984-989C. Wang, MDArticle finds that "the
mechanism of shock wave therapy involved the early release of angiogenic
growth factors (eNOS and VEGF) and subsequent induction of
neovascularization and tissue proliferation. The neovascularizatoin may
play a role in pain relief of tendonitis and the repair of chronically
inflamed tendon tissues at the tendon-bone junction."
Lateral EpicondylitisShock Wave Therapy for Patients with Lateral Epicondylitis of the Elbow: A One- to Two- Year Follow-up StudyThe American Journal of Sports Medicine, Vol. 30, No. 3, 2002C. Wang, MDOne to two year study following
43 patients with lateral epicondylitis reporting 90.9% complaint-free or
significantly better results with OssaTron® Shock Wave Technology.
Control group patients who received sham treatment reported no change.
Plantar FasciitisExtracorporeal Shock Wave Therapy for Chronic Proximal Plantar FasciitisClinics in Podiatric Medicine and Surgery, October 2002, Vol. 19, No. 4W. Strash, DPM, FACFASArticle reporting 74% excellent to good results after twelve weeks and 87% excellent to very good results after 6 months with 48 human feet with high energy ESWT.
Plantar FasciitisExtracorporeal Shock Wave Therapy
(ESWT) for the Treatment of Chronic Plantar Fasciitis: Indications,
Protocol, and a Comparison of Results to Fasciotomy
The Journal of Foot & Ankle Surgery, June 2002, Vol. 41, Number 3L. Weil, Jr., DPMStudy with mean follow-up of 8.4 months reporting 82% good to excellent results with high-energy electrohydraulic ESWT.
Plantar FasciitisShock Wave Therapy for Patients with Plantar Fasciitis: A One-Year Follow-up StudyFoot & Ankle International, March 2002, Vol. 23, Nov. 3C. Wang, MDOne year follow-up study reporting greater than 93% success and retention post high-energy OssaTron® ESWT.
Plantar FasciitisPreliminary Results on the Safety and Efficacy of the OssaTron® for Treatment of Plantar FasciitisFoot & Ankle International, March 2002, Vol. 23 No. 3R. Alvarez, MDStudy reporting safety and efficacy success with 18 out of 20 patients improved/pain free after ESWT with the high-energy OssaTron® device.
Plantar FasciitisShock Wave Therapy for Chronic Plantar Fasciitis: A Meta-AnalysisFoot & Ankle International, April 2002, Vol. 23 No.4J. Ogden, MDAnalysis reviewed 20 studies on
shock wave for plantar fasciitis and concluded that the studies
demonstrated that ESWT should be considered before any surgical
intervention for plantar fasciitis.
Animal Study*Neovascularization at the Tendon-Bone Junction: An Experiment in DogsThe Journal of Foot and Ankle Surgery, Vol. 41, No. 1, January/February 2002C. Wang, MDDiscusses the effect of shock
waves in generating neovascularization and muscularized vessels when
shock waves were applied to dogs using the OssaTron®.
Nonunion - Delayed Union*Extracorporeal Shock Wave Therapy of Nonunion or Delayed Osseous UnionClinical Orthopaedics and Related Research, Number 387, pp. 90-94, June, 2001W. Schaden, MDIn 75.7% of treatedpatients, one treatment with shock waves resulted in bony consolidation with a simultaneous decrease in symptoms.
Nonunion*Treatment of Nonunions of Long Bone Fractures with Shock WavesClinical Orthopaedics and Related Research, No. 387, June 2001C. Wang, MD72 subjects with longbone nonunions were studied - 40% had boney union at 3 months, 60.9% at 6 months and 80% at 12 months post-ESWT with the OssaTron®.
Plantar FasciitisTreatment of Painful Heel Syndrome With Shock WavesClinical Orthopaedics and Related Research, Number 387, pp. 41-46, June, 2001H. Chen, MDStudy reporting 73.5%
excellent to good results with 68 heels post-ESWT after twelve weeks and
87% excellent to good results with 54 heels with six months follow-up.
Lateral EpicondylitisTreatment of Lateral Epicondylitis of the Elbow with Shock WavesClinical Orthopaedics and Related Research, Number 387, pp. 60-67, June, 2001J. Ko, MDArticle demonstrates that healing
effect from ESWT is time dependent. 57.9% reporting excellent to good
responses at 12 weeks which increased to 73% excellent to good response
at 24 weeks post-ESWT.
Plantar FasciitisShock Wave Therapy of Chronic Proximal Plantar FasciitisClinical Orthopaedics and Related Research, Number 387, pp. 47-59, June, 2001J. Ogden, MDOssaTron® FDA clinical study involving 302 patients reporting 74% excellent to good results post high energy ESWT.
Plantar FasciitisTreatment of Painful Heels Using Extracorporeal Shock WaveJ Formos Med Assoc. 2000, Vol. 99, No. 7C. Wang, MDStudy reporting 81% excellent to very good results involving 58 patients after 12 weeks with high energy OssaTron® ESWT.

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