Device life of the Provox Vega voice prosthesis |
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| Authors: | Kelli L. Hancock Nadine R. Lawson Elizabeth C. Ward |
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| Affiliation: | 1. Speech Pathology Department, Princess Alexandra Hospital, Brisbane, QLD, 4102, Australia
2. Centre for Functioning and Health Research, Queensland Health and School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, QLD, 4072, Australia
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| Abstract: | Device life of the Provox Vega Indwelling voice prosthesis is as yet untested outside Europe. The current study examined device life and reasons for replacement within an Australian clinical setting. Twenty-three participants were monitored for device life and reasons for replacement. Main outcome measure was days to failure of initial device. Average device life and reasons for replacement were secondary measures. Initial device life data revealed 67 % had functioning devices at 3 months, 52 % at 6 months and 29 % at 12 months. Average device life was 207 days (median of 222). The majority of devices (97 %) failed due to leakage through the prosthesis. The Provox Vega Indwelling voice prosthesis had favourable device life in this cohort of patients and in comparison to European data. Reasons for replacement were consistent with international literature. |
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