Pharyngeal airspace of asthmatic individuals and those suffering from obstructive sleep apnea syndrome: Study by CBCT |
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| Affiliation: | 1. Metropolitan Union of Education and Culture (UNIME), PhD in Processes of Organs and Systems and Master in Dentistry – Bahia Federal University (UFBA), Rua Barão de Loreto, Edf Barão de Coubertin, n. 519, Graça, Bahia, 40150270, Brazil;2. Orthodontics – Bahia Federal University (UFBA),Masters'' Student in Odontology and Health – UFBA, Rua Priscila Dultra, n. 1229, Lauro de Freitas, Bahia, 42700000, Brazil;3. State University of Southwest Bahia (UESB), PhDs’ Student in Odontology and Health – UFBA, Master in Dentistry, Rua Barão de Loreto, Edf Barão de Coubertin, n. 519, Graça, Bahia, 40150270, Brazil;4. Bahiana School of Medicine and Public Health (EBMSPD), Preceptor at University Hospital Professor Edgard Santos, PhD in Medicine and Health, Master in Internal Medicine, Salvador, Bahia, Brazil;5. Av. Professor Magalhães net, 1541, Hospital da Bahia, sala 2010, Pituba, Salvador, Bahia, 41810011, Brazil;6. Bahia Federal University (UFBA), Specialist in Radiology, PhD and Master in Dentistry at UFBA, Avenida Araújo Pinho, n. 62, Canela, Salvador, Bahia, 40110140, Brazil;7. Orthodontics – Bahia Federal University (UFBA), PhDs’ student and Master in Odontology and Health – UFBA, Avenida Araújo Pinho, n. 62, Canela, Salvador, Bahia, 40110140, Brazil;8. Sciences and Health Institute, Federal University of Bahia (UFBA), PhD and Master in Medicine and Health at UFBA, Av. Reitor Miguel Calmon s/n priemiro andar, Canela, Salvador, Bahia, 40500020, Brazil;1. Support Center for Advanced Neuroimaging – Institute for Diagnostic and Interventional Neuroradiology, University Hospital Inselspital and University of Bern, Bern, Switzerland;2. Department of Radiology, Division of Diagnostic and Interventional Neuroradiology, University Hospital, Basel, Switzerland;3. Institute of Surgical Technology and Biomechanics, University of Bern, Bern, Switzerland,;4. Department of Neurosurgery, University Hospital Inselspital and University of Bern, Bern, Switzerland;1. University of Ottawa School of Medicine, 451 Smyth Rd., Ottawa, ON, K1H 8M, Canada;2. The Ottawa Hospital Research Institute Clinical Epidemiology Program, 501 Smyth Rd., Ottawa, ON, K1H 8L6, Canada;1. Glenfield Hospital, University Hospitals of Leicester, Groby Road, Leicester LE3 9QP, United Kingdom;2. Heartlands Hospitals, Heart of England NHS foundation Trust, Bordesley Green E, Birmingham B9 5SS, United Kingdom;3. Kettering General Hospital, Treatment Centre, Rothwell Rd, Kettering NN16 8UZ, United Kingdom;4. University Hospital of North Midlands, Newcastle Rd, Stoke-on-Trent, ST4 6QG, United Kingdom;5. Glenfield Hospital, University Hospitals of Leicester, Groby Road Leicester LE3 9QP, United Kingdom;6. Breast Unit, King’s Mill Hospital, Sherwood Forest Hospitals, Sutton-in-Ashfield, Nottinghamshire, NG17 4JL;1. Department of Radiology, Policlinico G.B. Rossi, University of Verona, Italy;2. Department of Radiology, Policlinico A. Gemelli, Catholic University, Rome, Italy;1. Department of Radiology, Hainan General Hospital, Haikou 570311, China;2. Department of Radiology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China;3. Department of Radiology, Keck School of Medicine, LAC + USC Medical Center, University of Southern California, 1200 North State Street, Los Angeles, CA 90033, USA;4. Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China |
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| Abstract: | PurposeThe objective of the present study was to comparatively evaluate the oropharyngeal space of patients with obstructive sleep apnea syndrome (OSA) and asthma by means of Cone Beam Computed Tomography (CBCT) images.Material and methodsThe study included individuals with OSA and asthma (n = 10), with OSA and without asthma (n = 6), asthmatics without OSA (n = 6) and healthy individuals (n = 25). All patients were evaluated by a pneumologist and submitted to a nocturnal polysomnogram. Participants underwent CBCT examinations using an I-CAT® device (Imaging Sciences International, Hatfield, PA, U.S.A.) and all images were exported to Dolphin Image 3D® software. Cephalometric measurements were taken, as well as measurements of length (C), volume (VOL), sagittal area (SA) and minimum cross-sectional area (MCA); an evaluation was made of the format and contour of the upper airway in three dimensions, with p < 0.05 considered significant.ResultsIn the results of the present study, a statistically significant difference was found between VOL, SA and MCA (p = 0.011; p = 0.009; p = 0.010) with reduced elevated values among the OSA + Asthma, OSA, Asthma and Control groups. Significant differences were seen between the linear (AP), cross-sectional (TR) and mean transverse area (TA) measurements in the group of patients with OSA and asthma as compared to the control group. In the control group, the greatest narrowing of the airway was observed either in the retroglossal or retropalatal area, while more patients in the experimental groups showed narrowing in the retropalatal area.ConclusionThe condition of OSA + asthma was associated with a substantial reduction in upper airway measurements in comparison to controls. |
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| Keywords: | Tomography X-ray computed Sleep apnea syndromes Asthma |
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