Anatomical Optical Coherence Tomography of the Human Upper Airway

Armstrong, J.; Leigh, Matthew S.; Walsh, Jennifer H.; Hillman, David R.; Eastwood, Peter R.; Sampson, David D.

doi:10.1007/978-3-540-77550-8_41

Cited by 2 publications

(1 citation statement)

References 106 publications

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“…Adjunct studies such as CT and MRI are not routinely used in diagnosis and management of this condition due to high cost, inconvenience, and exposure to potentially harmful radiation [23]. aOCT represents a technology that is ideally suited for use in imaging of the upper airway by being minimally invasive, easily portable, safe during extended imaging sessions, and well tolerated in awake or asleep patients [24]. The ability to simulate flow in accurate three-dimensional reconstructions can provide insight to physicians of individualized areas of obstruction.…”

Section: Discussionmentioning

confidence: 99%

Anatomic Optical Coherence Tomography of Upper Airways

Loy¹,

Jing²,

Zhang³

et al. 2015

Optical Coherence Tomography

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The upper airway is a complex and intricate system responsible for respiration, phonation, and deglutition. Obstruction of the upper airways, as in obstructive sleep apnea (OSA), afflicts 12-18 million Americans. Pharyngeal size and shape are important factors in the pathogenesis of OSA. Nocturnal loss in pharyngeal muscular tone combined with high pharyngeal resistance leads to collapse of the airway and periodic partial or complete upper airway obstruction. These episodes, though brief, can lead to significant adverse health outcomes, including cardiac,

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Section: Discussionmentioning

confidence: 99%

Anatomic Optical Coherence Tomography of Upper Airways

Loy¹,

Jing²,

Zhang³

et al. 2015

Optical Coherence Tomography

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All-fiber probes for endoscopic optical coherence tomography of the large airways

Balakrishnan

Oldenburg

2021

Appl. Opt.

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Endoscopic optical coherence tomography of large airways poses unique challenges. A hybrid lens is described that consists of a section of coreless fiber and graded index fiber (GIF), followed by a ball lens section. This design produces low numerical aperture beams better suited for large airway imaging. The performance of this lens is compared against conventional GIF and ball lens designs. Forward- and side-viewing probes were modeled, fabricated, and tested. The impact of a sheath on the beam profile was also investigated. Probes with working distances larger than 10 mm and depth-of-focus exceeding 12 mm are demonstrated with the proposed design.

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Anatomical Optical Coherence Tomography of the Human Upper Airway

Abstract: The purpose of this chapter is to describe two key OCT design issues in the aOCT system, namely the design of the long-range delay line and the OCT sensitivity.

Cited by 2 publications

References 106 publications

Anatomic Optical Coherence Tomography of Upper Airways

Anatomic Optical Coherence Tomography of Upper Airways

All-fiber probes for endoscopic optical coherence tomography of the large airways

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