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Cadaveric experiments to evaluate pressure wave generated by radial shockwave treatment of plantar fasciitis

Cirovic, S, Gould, DH, Park, DH and Solan, MC (2016) Cadaveric experiments to evaluate pressure wave generated by radial shockwave treatment of plantar fasciitis Foot and Ankle Surgery.

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Abstract

Background Shockwave treatment is increasingly used for plantar fasciitis and Achilles tendinopathy. To be effective it is believed that high pressure must be achieved in the tissues. We report on the first human cadaveric experiments to characterize pressure from radial shockwave therapy (rSWT) for plantar fasciitis. Methods The pressure from rSWT was measured in two cadaveric feet using a needle hydrophone. Maximal pressure and energy flux were calculated from the measurements. Results The pressure persisted longer than supposed, for up to 400 μs. The peak negative pressure was up to two Mega Pascal. The predicted energy in the tissue strongly depended on the time interval used in calculations. Conclusions The measured pressure may be sufficiently high to cause cavitation in the tissue, which is one of the proposed healing mechanisms associated with rSWT. The results suggest that the energy is imparted to the tissues for much longer than previously thought.

Item Type: Article
Subjects : Mechanical Engineering
Divisions : Faculty of Engineering and Physical Sciences > Mechanical Engineering Sciences
Authors :
AuthorsEmailORCID
Cirovic, SUNSPECIFIEDUNSPECIFIED
Gould, DHUNSPECIFIEDUNSPECIFIED
Park, DHUNSPECIFIEDUNSPECIFIED
Solan, MCUNSPECIFIEDUNSPECIFIED
Date : 27 August 2016
Identification Number : https://doi.org/10.1016/j.fas.2016.08.006
Copyright Disclaimer : © 2016. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
Uncontrolled Keywords : Radial shockwave therapy, Plantar fasciitis, Pressure waves, Chronic pain
Depositing User : Symplectic Elements
Date Deposited : 11 Oct 2016 09:38
Last Modified : 11 Oct 2016 09:38
URI: http://epubs.surrey.ac.uk/id/eprint/812366

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