Ageing, soft‐palate tone and sleep‐related breathing disorders

Veldi, Marlit; Vasar, Veiko; Hion, Tuuliki; Kull, Mart; Vain, Arved

doi:10.1046/j.1365-2281.2001.00339.x

Cited by 20 publications

(14 citation statements)

References 23 publications

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“…The obstructive sleep apnoea syndrome (OSAS) is characterized by snoring, frequent apnoea and hypopnoea, oxygen desaturation during sleep and excessive daytime sleepiness 1 . OSAS is remarkably common in the middle‐aged adult population (2–4%) and has been demonstrated to cause an increased mortality and morbidity probably due to cardiovascular diseases and stroke 2,3 .…”

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confidence: 99%

The role of oxygen saturation measurement and body mass index in distinguishing between non-apnoeic snorers and patients with obstructive sleep apnoea syndrome

2002

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The aim of this study was to examine the role of oxygen saturation (SaO2) measurement in identifying apnoeic snorers from non-apnoeic snorers and in the assessment of the severity of obstructive sleep apnoea. Ninety-two patients with clinically suspected obstructive sleep apnoea syndrome (OSAS) were assessed, using overnight polysomnography. The patients were classified as follows: 14 patients were non-apnoeic snorers, 27 patients had mild OSAS, 31 patients had moderate OSAS and 20 patients had severe OSAS. Minimum SaO2 level, mean SaO2, time below 85% of SaO2, the ratio between the time SaO2 and total sleep time and body mass index (BMI) were assessed retrospectively. There was a statistically significant difference between the non-apnoeic group and OSAS patients in Min SaO2 (P = 0.03). Patients who had Min SaO2 above 85% could be evaluated as non-apnoeic snorers; however, SaO2 and BMI were not found to be useful in the assessment of the severity of OSAS.

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confidence: 99%

The role of oxygen saturation measurement and body mass index in distinguishing between non-apnoeic snorers and patients with obstructive sleep apnoea syndrome

2002

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“…However, in this study, we restricted our recruitment to normal BMI (18.5  BMI < 24) and overweight BMI (24  BMI < 27) and did not include mildly (27  BMI < 30), moderately (30  BMI < 35) and morbidly obese (BMI  35) individuals for snore sound assessment, further research could explore the relationship between snore duration and BMI. In addition, Veldi et al [13] found that some biomechanical properties of the tissues of the soft palate may be changed by age. However, the subjects recruited in this study are quiet young, the aging for the palatal snoring was not discussed.…”

Section: Discussionmentioning

confidence: 99%

The Characteristics of Snoring at Pharyngeal Anatomy in Natural Sleep: Snoring Duration

Chen

2012

J. mech.

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The present study utilized audio recordings of snoring during natural sleep to analyze characteristics related to the snoring duration at the soft palate, epiglottis, and tongue base. 10 subjects were recruited for the study, with an average age of 23.7 years. These audio files were then used to analyze the characteristics of snoring duration at the soft palate, epiglottis, and tongue base responsible for sound generation. Findings indicated that snoring duration was 3.7 seconds at the soft palate, 2.2 seconds at the epiglottis and 1.29 seconds at the tongue. Since the soft palate is the softest structure of the three, snoring sound by vibration was most easily induced at this structure, leading to the longest snoring duration. This was followed by the epiglottis and the tongue base respectively. Of the 10 subjects, 6 had BMI in the overweight range, and snoring durations for these individuals were seen to be lengthened by 0.13 seconds, with the tongue base snoring duration lengthened by 0.11 seconds but unchanged for the epiglottis. Prior studies from this laboratory have established a non-invasive system for measuring snoring. This can be used to analyze the sound frequency, amplitude and duration of snoring. Snoring duration was found to be the longest at the soft palate, followed by the epiglottis and tongue base in the present investigation. Clinically, this finding has implications in snoring assessments prior to uvula-palatopharyngoplasty procedures. Snoring duration may also be used as a parameter in post-operative monitoring.

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“…OSA is known to result from anatomic obstructions, which include enlarged tonsils, macroglossia, micrognathia, and retrognathia (9 -13). Airway compliance or elasticity, however, has also been implicated in OSA (32)(33)(34)(35)(36)(37)(38). Mechanic and mathematic models of airway dynamics consistently implicate airway elasticity in airway dynamics and collapse (33,37,39,40).…”

Section: Discussionmentioning

confidence: 99%

“…Mechanic and mathematic models of airway dynamics consistently implicate airway elasticity in airway dynamics and collapse (33,37,39,40). Increased airway tissue elasticity in adults with OSA has been demonstrated with a variety of in vivo and ex vivo methods (32,34,35,41,42). Hypotonia and increased elasticity are associated with OSA in children in the absence of lymphoid tissue hyperplasia, with certain syndromes such as Down syndrome, and with other anatomic causes of obstruction (43).…”

Section: Discussionmentioning

confidence: 99%

Obstructive Sleep Apnea: MR Imaging Volume Segmentation Analysis

Abbott¹,

Donnelly²,

Dardzinski³

et al. 2004

Radiology

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Ageing, soft‐palate tone and sleep‐related breathing disorders

Abstract: We found that some biomechanical properties of the tissues of the soft palate may be changed by OSAS and some by age.

Cited by 20 publications

References 23 publications

The role of oxygen saturation measurement and body mass index in distinguishing between non-apnoeic snorers and patients with obstructive sleep apnoea syndrome

The role of oxygen saturation measurement and body mass index in distinguishing between non-apnoeic snorers and patients with obstructive sleep apnoea syndrome

The Characteristics of Snoring at Pharyngeal Anatomy in Natural Sleep: Snoring Duration

Obstructive Sleep Apnea: MR Imaging Volume Segmentation Analysis

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