Mandibular advancement reveals long-term suppression of breathing discomfort in patients with obstructive sleep apnea syndrome - Biological Adaptation and Ageing Accéder directement au contenu
Article Dans Une Revue Respiratory Physiology & Neurobiology Année : 2019

Mandibular advancement reveals long-term suppression of breathing discomfort in patients with obstructive sleep apnea syndrome

Olivier Jacq
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Isabelle Arnulf

Résumé

Obstructive sleep apnoea syndrome (OSAS) patients do not report breathing discomfort in spite of abnormal upper airway mechanics. We studied respiratory sensations in OSAS patients without and with mandibular advancement device (MAD). Fifty-seven moderate to severe non obese OSAS patients were asked about breathing discomfort using visual analogue scales (VAS) in the sitting position (VAS-1), after lying down (VAS-2), then with MAD (VAS-3). Awake critical closing pressure (awake Pcrit) was measured in 15 patients without then with MAD. None of the patients reported breathing discomfort when sitting but 19 patients (33%) did when lying (VAS-2: -20% or less). A feeling of "easier breathing" with MAD was observed and was more marked in patients reporting breathing discomfort when supine (VAS-3: +66.0% [49.0; 89.0]) than in those not doing so (VAS-3: +28.5% [1.0; 56.5], p = 0.007). MAD-induced change in awake Pcrit was correlated to VAS-3. In conclusion, MAD revealed “latent dyspnea” related to the severity of upper airways mechanics abnormalities in OSAS patients.
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Dates et versions

hal-02295584 , version 1 (24-09-2019)

Identifiants

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Valérie Attali, Jean-Marc Collet, Olivier Jacq, Sandie Souchet, Isabelle Arnulf, et al.. Mandibular advancement reveals long-term suppression of breathing discomfort in patients with obstructive sleep apnea syndrome. Respiratory Physiology & Neurobiology, 2019, 263, pp.47-54. ⟨10.1016/j.resp.2019.03.005⟩. ⟨hal-02295584⟩
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