The role of cone-beam computed tomography in the radiographic evaluation of obstructive sleep apnea: A review article
Imaging Sci Dent.2023 Dec;53(4):283-289.
doi: 10.5624/isd.20230119.
Epub 2023 Nov 6.
Abstract
The apnea-hypopnea index is widely regarded as a measure of the
severity of obstructive sleep apnea (OSA), a condition characterized by
recurrent episodes of apnea or hypopnea during sleep that induce airway
collapse. OSA is a catastrophic problem due to the wide range of health
issues it can cause, including cardiovascular disease and memory loss.
This review was conducted to clarify the roles of various imaging
modalities, particularly cone-beam computed tomography (CBCT), in the
diagnosis of and preoperative planning for OSA. Unfortunately,
2-dimensional imaging techniques yield insufficient data for a
comprehensive diagnosis, given the complex anatomy of the airway.
Three-dimensional (3D) imaging is favored as it more accurately
represents the patient ' s airway structure. Although computed tomography
and magnetic resonance imaging can depict the actual 3D airway
architecture, their use is limited by factors such as high radiation
dose and noise associated with the scans. This review indicates that
CBCT is a low-radiation imaging technique that can be used to
incidentally identify patients with OSA, thereby facilitating early
referral and ultimately enhancing the accuracy of surgical outcome
predictions.
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