Article contents
Worldwide experience with sequential phase-shift sound cancellation treatment of predominant tone tinnitus
Published online by Cambridge University Press: 13 January 2010
Abstract
Objective:
To report clinical data from six centres in the US, Western Europe and Asia which have used phase-shift sound wave cancellation for treatment of predominant tone tinnitus, from the first treatment in 2000 to 2009.
Method:
Clinical data were obtained from New York City, London, Erie (Pennsylvania, USA), Antwerp, Grottamare (Italy) and Kuala Lumpur, and summarised.
Results:
A total of 493 patients were treated. A reduction in tinnitus volume (defined as ≥6 dB) was seen in 49–72 per cent of patients.
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