Tongue Stiffness is Lower in Patients with Obstructive Sleep Apnea during Wakefulness Compared with Matched Control Subjects
被引:47
作者:
Brown, Elizabeth C.
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Neurosci Res Australia, Randwick, NSW 2031, Australia
Univ New S Wales, Prince Wales Clin Sch, Sydney, NSW 2052, AustraliaNeurosci Res Australia, Randwick, NSW 2031, Australia
Brown, Elizabeth C.
[1
,2
]
Cheng, Shaokoon
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h-index: 0
机构:
Neurosci Res Australia, Randwick, NSW 2031, Australia
Macquarie Univ, Dept Engn, N Ryde, NSW 2109, Australia
Univ New S Wales, Sch Med Sci, Sydney, NSW 2052, AustraliaNeurosci Res Australia, Randwick, NSW 2031, Australia
Cheng, Shaokoon
[1
,4
,5
]
McKenzie, David K.
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h-index: 0
机构:
Univ New S Wales, Prince Wales Clin Sch, Sydney, NSW 2052, Australia
Prince Wales Hosp, Sydney, NSW, AustraliaNeurosci Res Australia, Randwick, NSW 2031, Australia
McKenzie, David K.
[2
,3
]
Butler, Jane E.
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h-index: 0
机构:
Neurosci Res Australia, Randwick, NSW 2031, Australia
Univ New S Wales, Sch Med Sci, Sydney, NSW 2052, AustraliaNeurosci Res Australia, Randwick, NSW 2031, Australia
Butler, Jane E.
[1
,5
]
Gandevia, Simon C.
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h-index: 0
机构:
Neurosci Res Australia, Randwick, NSW 2031, Australia
Univ New S Wales, Prince Wales Clin Sch, Sydney, NSW 2052, AustraliaNeurosci Res Australia, Randwick, NSW 2031, Australia
Gandevia, Simon C.
[1
,2
]
Bilston, Lynne E.
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h-index: 0
机构:
Neurosci Res Australia, Randwick, NSW 2031, Australia
Univ New S Wales, Prince Wales Clin Sch, Sydney, NSW 2052, AustraliaNeurosci Res Australia, Randwick, NSW 2031, Australia
Bilston, Lynne E.
[1
,2
]
机构:
[1] Neurosci Res Australia, Randwick, NSW 2031, Australia
[2] Univ New S Wales, Prince Wales Clin Sch, Sydney, NSW 2052, Australia
[3] Prince Wales Hosp, Sydney, NSW, Australia
[4] Macquarie Univ, Dept Engn, N Ryde, NSW 2109, Australia
[5] Univ New S Wales, Sch Med Sci, Sydney, NSW 2052, Australia
Study Objectives: This study aimed to determine whether tongue stiffness (shear modulus) in patients with obstructive sleep apnea (OSA) is different for controls matched for age, sex, and body mass index (BMI), and to investigate the effect of continuous positive airway pressure (CPAP) on stiffness. Design: Controlled experimental study. Setting: Medical research institute. Participants: Patients with OSA and age-, sex-, and BMI-matched healthy controls. Measurements: Magnetic resonance elastography was performed in nine patients with OSA (apnea-hypopnea index (AHI) > 15 events/h) and seven controls (AHI < 10 events/h) matched for age, sex, and BMI. Six of these OSA subjects were also scanned while 10 cmH(2)O CPAP was applied. Mean isotropic shear modulus and anisotropic shear moduli parallel and perpendicular to the muscle fascicles in the tongue were calculated. Results: Tongue shear modulus in patients with OSA was lower than that in matched controls (2.68 +/- 0.35 (mean +/- standard deviation) kPa versus 2.98 +/- 0.44 kPa, P < 0.001). Shear modulus decreased with increasing AHI (R = -0.496, P = 0.043), but not age, BMI, or percentage tongue fat. Anisotropic analysis revealed that reduction in stiffness was greatest parallel to the muscle fibers. CPAP had no significant effect on tongue shear modulus. Conclusions: In awake subjects with obstructive sleep apnea, the tongue is less stiff than in similar healthy subjects and this difference occurs in the muscle fiber direction. CPAP did not significantly reduce tongue stiffness. Thus, any change in neural drive to genioglossus during wakefulness is insufficient to restore normal tongue stiffness.
机构:
Neurosci Res Australia, Randwick, NSW 2031, AustraliaNeurosci Res Australia, Randwick, NSW 2031, Australia
Brown, Elizabeth C.
;
Cheng, Shaokoon
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h-index: 0
机构:
Neurosci Res Australia, Randwick, NSW 2031, Australia
Univ New S Wales, Sch Med Sci, Randwick, NSW, AustraliaNeurosci Res Australia, Randwick, NSW 2031, Australia
Cheng, Shaokoon
;
McKenzie, David K.
论文数: 0引用数: 0
h-index: 0
机构:
Neurosci Res Australia, Randwick, NSW 2031, Australia
Univ New S Wales, Prince Wales Clin Sch, Randwick, NSW, AustraliaNeurosci Res Australia, Randwick, NSW 2031, Australia
McKenzie, David K.
;
Butler, Jane E.
论文数: 0引用数: 0
h-index: 0
机构:
Neurosci Res Australia, Randwick, NSW 2031, Australia
Univ New S Wales, Sch Med Sci, Randwick, NSW, AustraliaNeurosci Res Australia, Randwick, NSW 2031, Australia
Butler, Jane E.
;
Gandevia, Simon C.
论文数: 0引用数: 0
h-index: 0
机构:
Neurosci Res Australia, Randwick, NSW 2031, Australia
Univ New S Wales, Prince Wales Clin Sch, Randwick, NSW, AustraliaNeurosci Res Australia, Randwick, NSW 2031, Australia
Gandevia, Simon C.
;
Bilston, Lynne E.
论文数: 0引用数: 0
h-index: 0
机构:
Neurosci Res Australia, Randwick, NSW 2031, Australia
Univ New S Wales, Prince Wales Clin Sch, Randwick, NSW, AustraliaNeurosci Res Australia, Randwick, NSW 2031, Australia
机构:
Univ New S Wales, Fac Med, Sch Med Sci, Sydney, NSW 2031, AustraliaUniv New S Wales, Fac Med, Sch Med Sci, Sydney, NSW 2031, Australia
Cheng, S.
;
Gandevia, S. C.
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h-index: 0
机构:Univ New S Wales, Fac Med, Sch Med Sci, Sydney, NSW 2031, Australia
Gandevia, S. C.
;
Green, M.
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h-index: 0
机构:Univ New S Wales, Fac Med, Sch Med Sci, Sydney, NSW 2031, Australia
Green, M.
;
Sinkus, R.
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h-index: 0
机构:
Ecole Super Phys & Chim Ind Ville Paris, Paris, FranceUniv New S Wales, Fac Med, Sch Med Sci, Sydney, NSW 2031, Australia
Sinkus, R.
;
Bilston, L. E.
论文数: 0引用数: 0
h-index: 0
机构:
Univ New S Wales, Fac Med, Sch Med Sci, Sydney, NSW 2031, Australia
Univ New S Wales, Fac Med, Prince Wales Clin Sch, Sydney, NSW 2031, AustraliaUniv New S Wales, Fac Med, Sch Med Sci, Sydney, NSW 2031, Australia
机构:
Univ Sao Paulo, Fac Med, Dept Otolaryngol, Inst Heart, Sao Paulo, BrazilUniv Sao Paulo, Fac Med, Dept Otolaryngol, Inst Heart, Sao Paulo, Brazil
da Silva Dantas, Danielle Andrade
;
Mauad, Thais
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h-index: 0
机构:
Univ Sao Paulo, Fac Med, Lab Med Invest 5, Dept Pathol,Inst Heart, Sao Paulo, BrazilUniv Sao Paulo, Fac Med, Dept Otolaryngol, Inst Heart, Sao Paulo, Brazil
Mauad, Thais
;
Silva, Luiz F. F.
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h-index: 0
机构:
Univ Sao Paulo, Fac Med, Lab Med Invest 5, Dept Pathol,Inst Heart, Sao Paulo, BrazilUniv Sao Paulo, Fac Med, Dept Otolaryngol, Inst Heart, Sao Paulo, Brazil
Silva, Luiz F. F.
;
Lorenzi-Filho, Geraldo
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sao Paulo, Fac Med, Sleep Lab, Div Pulm,Inst Heart, Sao Paulo, BrazilUniv Sao Paulo, Fac Med, Dept Otolaryngol, Inst Heart, Sao Paulo, Brazil
Lorenzi-Filho, Geraldo
;
Formigoni, Gilberto G. S.
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h-index: 0
机构:
Univ Sao Paulo, Fac Med, Dept Otolaryngol, Inst Heart, Sao Paulo, BrazilUniv Sao Paulo, Fac Med, Dept Otolaryngol, Inst Heart, Sao Paulo, Brazil
Formigoni, Gilberto G. S.
;
Cahali, Michel B.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sao Paulo, Fac Med, Dept Otolaryngol, Inst Heart, Sao Paulo, BrazilUniv Sao Paulo, Fac Med, Dept Otolaryngol, Inst Heart, Sao Paulo, Brazil
机构:
Neurosci Res Australia, Randwick, NSW 2031, AustraliaNeurosci Res Australia, Randwick, NSW 2031, Australia
Brown, Elizabeth C.
;
Cheng, Shaokoon
论文数: 0引用数: 0
h-index: 0
机构:
Neurosci Res Australia, Randwick, NSW 2031, Australia
Univ New S Wales, Sch Med Sci, Randwick, NSW, AustraliaNeurosci Res Australia, Randwick, NSW 2031, Australia
Cheng, Shaokoon
;
McKenzie, David K.
论文数: 0引用数: 0
h-index: 0
机构:
Neurosci Res Australia, Randwick, NSW 2031, Australia
Univ New S Wales, Prince Wales Clin Sch, Randwick, NSW, AustraliaNeurosci Res Australia, Randwick, NSW 2031, Australia
McKenzie, David K.
;
Butler, Jane E.
论文数: 0引用数: 0
h-index: 0
机构:
Neurosci Res Australia, Randwick, NSW 2031, Australia
Univ New S Wales, Sch Med Sci, Randwick, NSW, AustraliaNeurosci Res Australia, Randwick, NSW 2031, Australia
Butler, Jane E.
;
Gandevia, Simon C.
论文数: 0引用数: 0
h-index: 0
机构:
Neurosci Res Australia, Randwick, NSW 2031, Australia
Univ New S Wales, Prince Wales Clin Sch, Randwick, NSW, AustraliaNeurosci Res Australia, Randwick, NSW 2031, Australia
Gandevia, Simon C.
;
Bilston, Lynne E.
论文数: 0引用数: 0
h-index: 0
机构:
Neurosci Res Australia, Randwick, NSW 2031, Australia
Univ New S Wales, Prince Wales Clin Sch, Randwick, NSW, AustraliaNeurosci Res Australia, Randwick, NSW 2031, Australia
机构:
Univ New S Wales, Fac Med, Sch Med Sci, Sydney, NSW 2031, AustraliaUniv New S Wales, Fac Med, Sch Med Sci, Sydney, NSW 2031, Australia
Cheng, S.
;
Gandevia, S. C.
论文数: 0引用数: 0
h-index: 0
机构:Univ New S Wales, Fac Med, Sch Med Sci, Sydney, NSW 2031, Australia
Gandevia, S. C.
;
Green, M.
论文数: 0引用数: 0
h-index: 0
机构:Univ New S Wales, Fac Med, Sch Med Sci, Sydney, NSW 2031, Australia
Green, M.
;
Sinkus, R.
论文数: 0引用数: 0
h-index: 0
机构:
Ecole Super Phys & Chim Ind Ville Paris, Paris, FranceUniv New S Wales, Fac Med, Sch Med Sci, Sydney, NSW 2031, Australia
Sinkus, R.
;
Bilston, L. E.
论文数: 0引用数: 0
h-index: 0
机构:
Univ New S Wales, Fac Med, Sch Med Sci, Sydney, NSW 2031, Australia
Univ New S Wales, Fac Med, Prince Wales Clin Sch, Sydney, NSW 2031, AustraliaUniv New S Wales, Fac Med, Sch Med Sci, Sydney, NSW 2031, Australia
机构:
Univ Sao Paulo, Fac Med, Dept Otolaryngol, Inst Heart, Sao Paulo, BrazilUniv Sao Paulo, Fac Med, Dept Otolaryngol, Inst Heart, Sao Paulo, Brazil
da Silva Dantas, Danielle Andrade
;
Mauad, Thais
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sao Paulo, Fac Med, Lab Med Invest 5, Dept Pathol,Inst Heart, Sao Paulo, BrazilUniv Sao Paulo, Fac Med, Dept Otolaryngol, Inst Heart, Sao Paulo, Brazil
Mauad, Thais
;
Silva, Luiz F. F.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sao Paulo, Fac Med, Lab Med Invest 5, Dept Pathol,Inst Heart, Sao Paulo, BrazilUniv Sao Paulo, Fac Med, Dept Otolaryngol, Inst Heart, Sao Paulo, Brazil
Silva, Luiz F. F.
;
Lorenzi-Filho, Geraldo
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sao Paulo, Fac Med, Sleep Lab, Div Pulm,Inst Heart, Sao Paulo, BrazilUniv Sao Paulo, Fac Med, Dept Otolaryngol, Inst Heart, Sao Paulo, Brazil
Lorenzi-Filho, Geraldo
;
Formigoni, Gilberto G. S.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sao Paulo, Fac Med, Dept Otolaryngol, Inst Heart, Sao Paulo, BrazilUniv Sao Paulo, Fac Med, Dept Otolaryngol, Inst Heart, Sao Paulo, Brazil
Formigoni, Gilberto G. S.
;
Cahali, Michel B.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sao Paulo, Fac Med, Dept Otolaryngol, Inst Heart, Sao Paulo, BrazilUniv Sao Paulo, Fac Med, Dept Otolaryngol, Inst Heart, Sao Paulo, Brazil