Letters

Ultrasound treatment for pressure ulcers

BMJ 1995; 311 doi: http://dx.doi.org/10.1136/bmj.311.6996.57a (Published 01 July 1995) Cite this as: BMJ 1995;311:57
  1. David Machin
  1. Chief medical statistician Medical Research Council Cancer Trials Office, Cambridge CB2 2BW

    EDITOR,--Gerben ter Riet and colleagues report a double blind randomised trial of ultrasound treatment and placebo in 88 patients with pressure ulcers; they found no significant differences between the treatments.1 They also indicate that a tentative suggestion made by McDiarmid et al after a similar trail in 44 patients some 10 years ago, in relation to the differential efficacy of ultrasound treatment (US) in infected ulcers, was not substantiated.2 Both these findings come as no surprise in view …

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