E-ISSN 2602-4837
The Turkish Journal of Ear Nose and Throat Factors that affect in situ lifetime of Provox voice prosthesis [Tr-ENT]
Tr-ENT. 2004; 13(3): 126-131

Factors that affect in situ lifetime of Provox voice prosthesis

Deniz Demir1, Yusufhan Süoğlu, Haluk Emin, Mehmet Güven, Erkan Kıyak

Objectives: We evaluated the effects of age, radiotherapy,
insertion time of prosthesis, the period between radiotherapy
and insertion time on in situ lifetime of Provox,
voice quality and complications.
Patients and Methods: The study included 50 total laryngectomy
patients (46 males, 4 females; mean age 61
years; range 43 to 77 years) using 62 Provox voice prosthesis.
Patients visited our clinic regularly every 3 months
for the first year after insertion and every 6 months in subsequently
years. The ease of use and complication of
prothesis and voice quality of patients were evaluated.
Results: The mean in situ lifetime was 24 months. (Range
one to 49 months) Age, radiotherapy, inserting time of
prosthesis, the period between radiotherapy and insertion
time had no influence on the in situ lifetime of Provox.
These variables were not determined to relate to complication
of prosthesis. Statistically significant good vocal
quality was found in nonirradiated group and patient group
in whom prosthesis inserted between 6 and 24 months
after laryngectomy. Provox was used easier by nonirradiated
group than irradiated group (p<0.001).
Conclusion: In situ lifetime of Provox was not influenced
by factors as age, radiotherapy, insertion time, the period
between radiotherapy and insertion time of prosthesis. We
believe that patient factor is the most important factor
which affect the in situ lifetime of Provox.

Keywords: Laryngectomy/rehabilitation; larynx, artificial/adverseeffects; pharynx/radiation effects/surgery; prosthesis, design/failure;radiation injuries/etiology; speech intelligibility; speech, alaryngeal;voice quality.

Provox ses protezinin kullanım süresini etkileyen faktörler

Deniz Demir1, Yusufhan Süoğlu, Haluk Emin, Mehmet Güven, Erkan Kıyak

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Anahtar Kelimeler: Larenjektomi/rehabilitasyon; larenks,yapay/yan etkiler; farenks/radyasyon etkileri/cerrahi; protez/tasarım/başarısızlık; radyasyon yaralanması/etyoloji; konuşmaanlaşılabilirliği; alarengeal konuşma; ses kalitesi.

Deniz Demir, Yusufhan Süoğlu, Haluk Emin, Mehmet Güven, Erkan Kıyak. Factors that affect in situ lifetime of Provox voice prosthesis. Tr-ENT. 2004; 13(3): 126-131

Corresponding Author: Deniz Demir
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