Sites of obstruction in obstructive sleep apnea.

@article{Rama2002SitesOO,
  title={Sites of obstruction in obstructive sleep apnea.},
  author={Anil N. Rama and Shivan H Tekwani and Clete A. Kushida},
  journal={Chest},
  year={2002},
  volume={122 4},
  pages={
          1139-47
        }
}
STUDY OBJECTIVE The aim of this article was to identify the most common sites of obstruction in patients with obstructive sleep apnea (OSA) by a systematic review of published studies. DESIGN The review was conducted by a MEDLINE search of the English literature published during the years 1980 to 2002. The inclusion criteria were experiments involving five or more adult subjects, total rather than partial obstruction or narrowing of the upper airway, and techniques that were performed on the… 
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References

SHOWING 1-10 OF 45 REFERENCES

Site of Upper Airway Obstruction in Patients With Idiopathic Obstructive Sleep Apnea

An interesting new method to locate the precise site of obstruction in patients with obstructive sleep apnea is described, which uses a thin catheter to measure inspiratory airflow pressures at various levels of the airway during sleep.

Localization of site of obstruction in snorers and patients with obstructive sleep apnea syndrome: a comparison of fiberoptic nasopharyngoscopy and pressure measurements.

The site of obstruction in the upper aerodigestive tract in 20 snorers and/or patients with obstructive sleep apnea syndrome was determined by two methods: fiberoptic nasopharyngoscopy with the…

Site of upper airway obstruction in patients with idiopathic obstructive sleep apnea

It is concluded that measuring airway pressures at multiple sites along the airway is useful in localizing the site of obstruction in patients with OSA, and may have important implications in terms of the patient's response to surgical treatment.

Determination of obstructive site in obstructive sleep apnea

It is proposed that the hyoid bone position as determined by cephalometric x‐rays can predict which patients have obstruction at a lower site than the soft palate, and which patients with tongue base and/or laryngeal obstruction will not alleviate the obstruction.

Site of upper airway obstruction in obstructive apnoea and influence of sleep stage.

Upper airway obstruction involves more than one specific site of the upper airway in the majority of sleep apnoea patients, and obstruction at lower levels of theupper airway is more likely to be observed during rapid eye movement sleep.

Localization of upper airway collapse during sleep in patients with obstructive sleep apnea.

The effect of sleep position was evaluated in 10 patients and found to have little affect on the extent over which the UA collapsed during sleep independent of sleep state, and the effects of UPPP on regional UA collapse were evaluated in a small group of six patients.

Mechanics of the pharynx in patients with obstructive sleep apnea.

A novel method for evaluating the location, closing pressure and compliance of collapsing segments in the passive pharyngeal airway of patients with OSA is described and it is speculated that a segment with a high closing pressure predisposes to airway narrowing during normal breathing during sleep.

Anatomy of pharynx in patients with obstructive sleep apnea and in normal subjects.

It is concluded that the passive pharynx is more narrow and collapsible in sleep-apneic patients than in matched controls and that velopharyngeal Pc is the principal correlate of the frequency of nocturnal desaturations.

Evaluation of the pharyngeal airway in patients with sleep apnea: value of ultrafast MR imaging.

Ultrafast MR imaging is useful for localizing the sites of pharyngeal airway obstruction in patients with sleep apnea and to evaluate the usefulness of this technique for localization the site of obstruction.

Pressure recordings--a method for detecting site of upper airway obstruction in obstructive sleep apnea syndrome.

Polysomnography is the method of choice in diagnosis of obstructive sleep apnea syndrome (OSAS) establishing whether a patient has apneas or not. It does not, however, give any indications of where…