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A deep cascaded segmentation of obstructive sleep apnea-relevant organs from sagittal spine MRI

Tatyana Ivanovska, Amro Daboul, Oleksandr Kalentev, Norbert Hosten, Reiner Biffar, Henry Völzke, Florentin Wörgötter
2021 International Journal of Computer Assisted Radiology and Surgery  
Purpose The main purpose of this work was to develop an efficient approach for segmentation of structures that are relevant for diagnosis and treatment of obstructive sleep apnea syndrome (OSAS), namely  ...  pharynx, tongue, and soft palate, from mid-sagittal magnetic resonance imaging (MR) data.  ...  Acknowledgements The authors thank the SHIP and Transferstelle teams from University Medicine Greifswald for providing efficient data access.  ... 
doi:10.1007/s11548-021-02333-0 pmid:33770362 fatcat:6kt5j7ftafb35fxrz542d7rpsa

3-dimensional throat region segmentation from MRI data based on fourier interpolation and 3-dimensional level set methods

Sean Campbell, Trushali Doshi, John Soraghan, Lykourgos Petropoulakis, Gaetano Di Caterina, Derek Grose, Kenneth MacKenzie
2015 2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)  
A new algorithm for 3D throat region segmentation from magnetic resonance imaging (MRI) is presented.  ...  The results of the proposed algorithm on real and synthetic MRI data are used to validate the robustness and accuracy of the algorithm.  ...  ACKNOWLEDGMENT The authors would like to acknowledge Beatson Cancer Charity for their financial support with this study.  ... 
doi:10.1109/embc.2015.7318882 pmid:26736782 dblp:conf/embc/CampbellDSPCGM15 fatcat:atkp4yzcrndlfcnyzrx6wgsqhi

Supra-Epiglottic Upper Airway Volume in Elderly Patients with Obstructive Sleep Apnea Hypopnea Syndrome

Claire Boutet, Syad Abdirahman Mohamed Moussa, Sébastien Celle, Bernard Laurent, Jean-Claude Barthélémy, Fabrice-Guy Barral, Frédéric Roche, Yue Wang
2016 PLoS ONE  
Methods In 60 volunteers aged 75.58±0.9 years: 20 OSAS, 20 OSAS chronically treated with CPAP, and 20 controls, semi-automatic segmentation, retropalatal distance and transverse diameter of the supra-epiglottic  ...  Objective Small upper airway measurements areas and high body mass index are recognized risk factors for obstructive sleep apnea syndrome (OSAS) in non-elderly populations; however, there is limited information  ...  Acknowledgments The authors would like to thank Mallory Guthro for language editing the manuscript. Author Contributions  ... 
doi:10.1371/journal.pone.0157720 pmid:27336305 pmcid:PMC4919063 fatcat:mfiexjhjirap3fy7srkxb2zbcm

Neck soft tissue and fat distribution: comparison between normal men and women by magnetic resonance imaging

A. T Whittle, I. Marshall, I. L Mortimore, P. K Wraith, R. J Sellar, N. J Douglas
1999 Thorax  
Background-Obesity and increased neck circumference are risk factors for the obstructive sleep apnoea/hypopnoea syndrome (SAHS).  ...  The only regions impinging on the pharynx which showed a larger absolute volume of fat in men (3.2 (0.7) vs 1.1 (0.3) cm 3 , p = 0.01) and also a greater proportion of neck fat in men (1.3 (0.3)% vs 0.4  ...  The authors thank the staV of the Edinburgh Sleep Centre and the radiographers of the MRI Unit, Western General Hospital. Drs Whittle and Mortimore were supported by the Wellcome Trust.  ... 
doi:10.1136/thx.54.4.323 pmid:10092693 pmcid:PMC1745454 fatcat:a5fmsakv5feizjv5g4gnj3rdgu

Comparison between anatomy and resistance of upper airway in normal subjects, snorers and OSAS patients

E Verin, C Tardif, X Buffet, J.P Marie, Y Lacoume, J Andrieu-Guitrancourt, P Pasquis
2002 Respiration Physiology  
We aimed to determine if cephalometric characteristics could be related to segmental UAR.  ...  Segmental UAR were correlated with PAS and distance from hyoid bone to mandibular plane and to pharyngeal posterior wall (PB0.05).  ...  In all cases, automatic analysis was corrected by visual analysis, and number of apneas, apnea index, number of hypopneas, hypopnea index, apnea hypopnea index (AHI), and number of desaturations were measured  ... 
doi:10.1016/s0034-5687(01)00324-3 pmid:11788136 fatcat:ci6rzcb4wzhjhe3xbiia5xqsva

Modeling upper airway collapse by a finite element model with regional tissue properties

Chun Xu, Michael J. Brennick, Lawrence Dougherty, David M. Wootton
2009 Medical Engineering and Physics  
The proposed 3D model accounts for stress-strain relationships in the complex upper airway that should present new opportunities for understanding pathogenesis of airway collapse, improving diagnosis and  ...  This study presents a new computational system for modeling the upper airway in rats that combines tagged magnetic resonance imaging (MRI) with tissue material properties to predict threedimensional (3D  ...  The MRI work performed here was performed in the Small Animal Imaging Facility (SAIF) in the Department of Radiology at the University of Pennsylvania, and the technical assistance of Stephen Pickup, PhD  ... 
doi:10.1016/j.medengphy.2009.08.006 pmid:19747871 pmcid:PMC2789979 fatcat:3etebbcxlnggzf6jgflkaqpjbe

Evaluación de la Vía Aérea superior en Ortodoncia. Revisión Narrativa

Erwin Rojas, Rodrigo Corvalán, Eduardo Messen, Paulo Sandoval
2017 Odontoestomatología  
of craniofacial structures and with other pathologies such as Obstructive Sleep Apnea Syndrome (OSAS).  ...  , and to describe and evaluate the information level and diagnostic accuracy of methods such as lateral cephalometric analysis and cone beam CT.  ...  breathing-related sleep disorders, even after an adenotonsillectomy (13) .  ... 
doi:10.22592/ode2017n30a5 fatcat:pxdbillywrfyjgn4ci3pxzk3ce

Effect of weight loss on upper airway size and facial fat in men with obstructive sleep apnoea

K. Sutherland, R. W. W. Lee, C. L. Phillips, G. Dungan, B. J. Yee, J. S. Magnussen, R. R. Grunstein, P. A. Cistulli
2011 Thorax  
Obstructive sleep apnoea (OSA) is commonly associated with obesity and can be improved by weight loss. Changes in upper airway size related to regional fat loss may mediate the improvement in OSA.  ...  Polysomnography and CT of the head and neck were performed at baseline and 24 weeks. The upper airway lumen and facial and parapharyngeal fat were measured with image analysis software.  ...  Funding This study was investigator-driven but was partly funded by Abbott Laboratories, Sydney, Australia (financial support and provision of Sibutramine medication for the participants) and the National  ... 
doi:10.1136/thx.2010.151613 pmid:21680567 fatcat:kw2jfifafngpphp4p7ltpbhuxu

Minimally interactive segmentation of 4D dynamic upper airway MR images via fuzzy connectedness

Yubing Tong, Jayaram K. Udupa, Dewey Odhner, Caiyun Wu, Sanghun Sin, Mark E. Wagshul, Raanan Arens
2016 Medical Physics (Lancaster)  
Any practical method should be either fully automatic or call for minimal user interaction, with minimal user-related bias, in segmenting each 4D MRI data set.  ...  Segmentation results are overlaid on MRI slices over a full respiratory cycle at one fixed slice position for data from one subject.  ... 
doi:10.1118/1.4945698 pmid:27147344 pmcid:PMC4833751 fatcat:2zfxul42irg6dipmfbg3lvp3z4

Velopharyngeal mucosal surface topography in healthy subjects and subjects with obstructive sleep apnea

Christopher Lambeth, Jason Amatoury, Ziyu Wang, Sheryl Foster, Terence Amis, Kristina Kairaitis
2017 Journal of applied physiology  
Axial MRIs were imported into three-dimensional (3D) data visualization software (Amira version 5.2; Visage Imaging), and the velopharyngeal mucosal surface (air-mucosa interface) was automatically segmented  ...  METHODS In this study, we have used curvature analysis to quantify irregularities of the mucosal surface topography of the velopharynx, which was derived from magnetic resonance image (MRI) data.  ...  AUTHOR CONTRIBUTIONS C.L. and Z.W. analyzed data; C.L., Z.W., T.C.A., and K.K. interpreted results of experiments; C.L. and Z.W. prepared figures; C.L. drafted manuscript; C.L., J.A., T.C.A., and K.K.  ... 
doi:10.1152/japplphysiol.00764.2016 pmid:28008099 fatcat:wou4dtomx5dubdeviqhflokdze

Anatomic development of the upper airway during the first five years of life: A three-dimensional imaging study [article]

Ying Ji Chuang, Seong Jae Hwang, Kevin A Buhr, Courtney A Miller, Gregory D Avey, Brad H Story, Houri K. Vorperian
2021 bioRxiv   pre-print
for data extraction.  ...  Methodological criteria for scan inclusion and airway measurements included: head position, histogram-based airway segmentation, anatomic landmark placement, and development of a semi-automatic centerline  ...  We thank Gabe Jardim for establishing a protocol to obtain threshold for airway segmentation, and Drs.  ... 
doi:10.1101/2021.10.26.465942 fatcat:rsd2ady4cbdyvpb7h7vilzai74

Effects of nasal high flow on sympathovagal balance, sleep, and sleep-related breathing in patients with precapillary pulmonary hypertension

Jens Spiesshoefer, Britta Bannwitz, Michael Mohr, Simon Herkenrath, Winfried Randerath, Paolo Sciarrone, Christian Thiedemann, Hartmut Schneider, Andrew T. Braun, Michele Emdin, Claudio Passino, Michael Dreher (+2 others)
2020 Sleep and Breathing  
In precapillary pulmonary hypertension (PH), nasal high flow therapy (NHF) may favorably alter sympathovagal balance (SVB) and sleep-related breathing through washout of anatomical dead space and alleviation  ...  In-depth SVB analysis was conducted on 10-min epochs during daytime and stable N2 sleep at nighttime.  ...  system, SVB and hemodynamic data.  ... 
doi:10.1007/s11325-020-02159-1 pmid:32827122 pmcid:PMC8195975 fatcat:g7ef7himpvdbfl7vxvrm5hn7va

MR Image Analytics to Characterize the Upper Airway Structure in Obese Children with Obstructive Sleep Apnea Syndrome

Yubing Tong, Jayaram K. Udupa, Sanghun Sin, Zhengbing Liu, E. Paul Wileyto, Drew A. Torigian, Raanan Arens, Josué Sznitman
2016 PLoS ONE  
Purpose Quantitative image analysis in previous research in obstructive sleep apnea syndrome (OSAS) has focused on the upper airway or several objects in its immediate vicinity and measures of object size  ...  We propose a novel methodology to select a small set of salient features from this large collection of measures and demonstrate the ability of these features to discriminate with very high prediction accuracy  ...  Analyzed the data: JKU YT EPW DAT. Contributed reagents/materials/analysis tools: RA SS. Wrote the paper: YT JKU RA. Algorithm discussion: ZL.  ... 
doi:10.1371/journal.pone.0159327 pmid:27487240 pmcid:PMC4972248 fatcat:fpxf3yledfd5zi3z4eunauqxye

Anatomic development of the upper airway during the first five years of life: A three-dimensional imaging study

Ying Ji Chuang, Seong Jae Hwang, Kevin A. Buhr, Courtney A. Miller, Gregory D. Avey, Brad H. Story, Houri K. Vorperian, Claudio Andaloro
2022 PLoS ONE  
for data extraction.  ...  Methodological criteria for scan inclusion and airway measurements included: head position, histogram-based airway segmentation, anatomic landmark placement, and development of a semi-automatic centerline  ...  We thank Gabe Jardim for establishing a protocol to obtain threshold for airway segmentation, and Drs.  ... 
doi:10.1371/journal.pone.0264981 pmid:35275939 pmcid:PMC8916633 fatcat:fwxtvseyzrdotltsifnwyt6ti4

Anatomical Optical Coherence Tomography for Long-Term, Portable, Quantitative Endoscopy

M.S. Leigh, J.J. Armstrong, A. Paduch, J.H. Walsh, D.R. Hillman, P.R. Eastwood, D.D. Sampson
2008 IEEE Transactions on Biomedical Engineering  
We consider the design and performance of an instrument and its initial intended application in the human upper airway for the characterization of obstructive sleep apnea (OSA).  ...  Our experiments show that the instrument is capable of imaging subjects during sleep, and that it can record dynamic changes in airway size and shape.  ...  Ng from the School of Electrical, Electronic and Computer Engineering, University of Western Australia, Crawley, W.A., Australia.  ... 
doi:10.1109/tbme.2007.913409 pmid:18390336 fatcat:it4dqmshx5g6vbixfxrenfeuaa
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