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Impact of exercise with TheraBite device on trismus and health-related quality of life: A prospective study.

Journal article
Authors Charlotte Montalvo
Caterina Finizia
Nina Pauli
Bodil Fagerberg-Mohlin
Paulin Andréll
Published in Ear, nose, & throat journal
Volume 96
Issue 1
Pages E1-E6
ISSN 1942-7522
Publication year 2017
Published at Institute of Clinical Sciences, Department of Otorhinolaryngology
Institute of Medicine, Department of Molecular and Clinical Medicine
Pages E1-E6
Language en
Links www.ncbi.nlm.nih.gov/entrez/query.f...
Subject categories Otorhinolaryngology

Abstract

Trismus is a common symptom in patients with head and neck cancer that affects many aspects of daily life negatively. The aim of this study was to investigate the impact of structured exercise with the jaw-mobilizing device TheraBite on trismus, trismus-related symptomatology, and health-related quality of life (HRQL) in patients with head and neck cancer. Fifteen patients with trismus (maximum interincisal opening [MIO] ≤35 mm) after oncologic treatment for head and neck cancer, underwent a 10-week exercise program with the TheraBite device and were followed regularly. Time between oncologic treatment and start of TheraBite exercise ranged from 0.7 to 14.8 years (average 6.2 years). MIO, trismus-related symptoms, and HRQL was assessed before and after exercise and after 6 months. A significant improvement in MIO was observed post-exercise (3.5 mm, 15.3%, p = 0.0002) and after 6-month of follow-up (4.7 mm, 22.1%, p = 0.0029). A statistically significant correlation was found between increased MIO and fewer trismus-related symptoms. In conclusion, exercise with TheraBite improved MIO and trismus-related symptoms in patients with trismus secondary to head and neck cancer. Structured exercise with the jaw-mobilizing device seems to be beneficial for patients with trismus independent of time since oncologic treatment.

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