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Updated: Aug 19, 2025

Oral Health Assessment by Lay Personnel for Older Adults
Published on: February 2, 2020
A Questionnaire to Assess Phonation and Problems in Daily Living for Provox® Voice Prosthesis Users in Japan
Yukinobu Ishikawa1, Yukiko Yanagi2, Michi Suzuki3
1Department of Speech and Hearing Sciences at Ookawa, International University of Health and Welfare, 137-1 Enokizu, Ookawa, Fukuoka 831-8501 Japan.
Abstract:
The aim of this study was to investigate the problems in daily life of Provox® users in Japan with the use of a questionnaire survey and to consider future guidance methods for these patients. We mailed questionnaires to 190 members of a Japanese laryngectomized patient group. We received 118 questionnaires with valid responses. The total voice handicap index (VHI) score was 44.1. Patients were allocated to two groups based on the type of surgery they underwent-laryngectomy or jejunum reconstruction. The VHI score was significantly lower in the simple laryngectomy group than that in the free jejunum reconstruction group (p < 0.01). Only 55.9% of the patients reported having received voice rehabilitation therapy. For other problems of daily life, many patients answered "bad/very bad" for the "smelling," "eating/drinking hot foodstuffs," "blowing nose," and "quantity of sputum" categories. Based on our results, there is a requirement for an effective rehabilitation therapy and appropriate guidance for patients with the Provox® voice prosthesis.
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