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. 1993 Dec;18(6):517-23.
doi: 10.1111/j.1365-2273.1993.tb00627.x.

Long-term results of vocal rehabilitation after total laryngectomy with the low-resistance, indwelling Provox voice prosthesis system

F J Hilgers  1 , A J Balm
Affiliations

Long-term results of vocal rehabilitation after total laryngectomy with the low-resistance, indwelling Provox voice prosthesis system

F J Hilgers et al. Clin Otolaryngol Allied Sci. 1993 Dec.

Abstract

A low-resistance indwelling prosthesis for vocal rehabilitation after total laryngectomy, Provox was developed in the Netherlands Cancer Institute 5 years ago. The long-term results in 132 patients using this prosthesis are now reported. The mean and median device life of the prosthesis in the 75 patients in long-term follow-up are 235 and 141 days respectively. Good to fair vocal rehabilitation was achieved in 92% of the patients. Statistical analysis revealed a significant relationship of the device life with the original tumour site (P = 0.0078). Radiotherapy had a borderline (P = 0.0652) negative influence on the device life but not on prosthesis-related complications. Increasing follow-up time has a positive influence on the device life of the prosthesis (P < 0.0001).

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