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Chan TG, Plageman J, Yu JL. The Repeatability of Pharyngeal Opening Pressure Under Drug-Induced Sleep Endoscopy. Otolaryngol Head Neck Surg 2024; 171:295-302. [PMID: 38606621 PMCID: PMC11211064 DOI: 10.1002/ohn.730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 02/01/2024] [Accepted: 02/09/2024] [Indexed: 04/13/2024]
Abstract
OBJECTIVE Pharyngeal opening pressure (PhOP) is a measure of upper airway collapsibility that can be obtained during drug-induced sleep endoscopy (DISE) using a continuous positive airway pressure (CPAP) titration. However, the stability of PhOP over the course of sedation during DISE remains unclear. This study aims to compare repeat measures of PhOP over the course of DISE. STUDY DESIGN Single arm prospective study. SETTING Single tertiary care institution. METHODS Patients had 2 CPAP titrations while undergoing DISE. Collected data included patient demographics, PhOP, patient sedation index (PSI), and duration of and between CPAP titrations. t Tests, test-retest coefficient analysis, and repeated measures correlation were performed. RESULTS Twenty-five patients completed the study between 2022 and 2023 with 22 patients having sedation depth (PSI) recording. Most were male (76%), obese (average body mass index: 30.24 kg/m2), with severe obstructive sleep apnea (average apnea-hypopnea index: 39.8 events/hr). Test-retest analysis showed good-excellent correlation between PhOP values (intraclass correlation coefficient = 0.892, P < .0001, n = 25). Average time between CPAP titrations was 15 minutes to 6 seconds. Over that time, PhOP increased by an average of 0.72 cmH2O (P = .06, n = 25) and PSI decreased by 9.5 units (P = .01, n = 22). Repeated measures correlation showed a weak negative correlation between PhOP and PSI (r = -.45, P = .03, n = 22). CONCLUSION The results showed repeatability of PhOP values over the course of DISE. When adjusted for sedation depth (PSI), deeper sedation was weakly associated with greater PHOP. However, the magnitude of this change was small and we conclude that PhOP remains relatively stable over the course of DISE (Effects of Lung Volume on Upper Airway Patency During DISE [DISE-Pulm], NCT05350332, clinicaltrials.gov).
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Affiliation(s)
- Tyler G Chan
- Emory University School of Medicine, Atlanta, Georgia, USA
| | - Jack Plageman
- Department of Otolaryngology-Head and Neck Surgery, Emory University, Atlanta, Georgia, USA
| | - Jason L Yu
- Department of Otolaryngology-Head and Neck Surgery, Emory University, Atlanta, Georgia, USA
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Op de Beeck S, Vena D, Mann D, Azarbarzin A, Huyett P, Van de Perck E, Gell LK, Alex RM, Dieltjens M, Willemen M, Verbraecken J, Wellman A, Vanderveken OM, Sands SA. Polysomnographic airflow shapes and site of collapse during drug-induced sleep endoscopy. Eur Respir J 2024; 63:2400261. [PMID: 38548291 PMCID: PMC11154757 DOI: 10.1183/13993003.00261-2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 03/08/2024] [Indexed: 06/09/2024]
Abstract
BACKGROUND Differences in the pharyngeal site of collapse influence efficacy of non-continuous positive airway pressure therapies for obstructive sleep apnoea (OSA). Notably, complete concentric collapse at the level of the palate (CCCp) during drug-induced sleep endoscopy (DISE) is associated with reduced efficacy of hypoglossal nerve stimulation, but CCCp is currently not recognisable using polysomnography. Here we develop a means to estimate DISE-based site of collapse using overnight polysomnography. METHODS 182 OSA patients provided DISE and polysomnography data. Six polysomnographic flow shape characteristics (mean during hypopnoeas) were identified as candidate predictors of CCCp (primary outcome variable, n=44/182), including inspiratory skewness and inspiratory scoopiness. Multivariable logistic regression combined the six characteristics to predict clear presence (n=22) versus absence (n=128) of CCCp (partial collapse and concurrent tongue base collapse excluded). Odds ratios for actual CCCp between predicted subgroups were quantified after cross-validation. Secondary analyses examined complete lateral wall, tongue base or epiglottis collapse. External validation was performed on a separate dataset (ntotal=466). RESULTS CCCp was characterised by greater scoopiness (β=1.5±0.6 per 2sd, multivariable estimate±se) and skewness (β=11.4±2.4) compared with non-CCCp. The odds ratio for CCCp in predicted positive versus negative subgroups was 5.0 (95% CI 1.9-13.1). The same characteristics provided significant cross-validated prediction of lateral wall (OR 6.3, 95% CI 2.4-16.5), tongue base (OR 3.2, 95% CI 1.4-7.3) and epiglottis (OR 4.4, 95% CI 1.5-12.4) collapse. CCCp and lateral wall collapse shared similar characteristics (skewed, scoopy), diametrically opposed to tongue base and epiglottis collapse characteristics. External validation confirmed model prediction. CONCLUSIONS The current study provides a means to recognise patients with likely CCCp or other DISE-based site of collapse categories using routine polysomnography. Since site of collapse influences therapeutic responses, polysomnographic airflow shape analysis could facilitate precision site-specific OSA interventions.
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Affiliation(s)
- Sara Op de Beeck
- Translational Neurosciences, Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium
- Department of ENT, Head and Neck Surgery, Antwerp University Hospital, Edegem, Belgium
- These authors contributed equally to this work
| | - Daniel Vena
- Division of Sleep and Circadian Disorders, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
- These authors contributed equally to this work
| | - Dwayne Mann
- School of Information Technology and Electrical Engineering, The University of Queensland, Brisbane, Australia
| | - Ali Azarbarzin
- Division of Sleep and Circadian Disorders, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Phillip Huyett
- Department of Otolaryngology-Head and Neck Surgery, Massachusetts Eye and Ear and Harvard Medical School, Boston, MA, USA
| | - Eli Van de Perck
- Translational Neurosciences, Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium
| | - Laura K Gell
- Division of Sleep and Circadian Disorders, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Raichel M Alex
- Division of Sleep and Circadian Disorders, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Marijke Dieltjens
- Translational Neurosciences, Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium
- Department of ENT, Head and Neck Surgery, Antwerp University Hospital, Edegem, Belgium
| | - Marc Willemen
- Multidisciplinary Sleep Disorders Centre, Antwerp University Hospital, Edegem, Belgium
| | - Johan Verbraecken
- Multidisciplinary Sleep Disorders Centre, Antwerp University Hospital, Edegem, Belgium
- Laboratory of Experimental Medicine and Pediatrics (LEMP), Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium
| | - Andrew Wellman
- Division of Sleep and Circadian Disorders, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Olivier M Vanderveken
- Translational Neurosciences, Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium
- Department of ENT, Head and Neck Surgery, Antwerp University Hospital, Edegem, Belgium
- Multidisciplinary Sleep Disorders Centre, Antwerp University Hospital, Edegem, Belgium
| | - Scott A Sands
- Division of Sleep and Circadian Disorders, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
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Thuler E, Seay EG, Woo J, Lee J, Jafari N, Keenan BT, Dedhia RC, Schwartz AR. Transverse Maxillary Deficiency Predicts Increased Upper Airway Collapsibility during Drug-Induced Sleep Endoscopy. Otolaryngol Head Neck Surg 2023; 169:412-421. [PMID: 36939430 DOI: 10.1002/ohn.258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 12/05/2022] [Accepted: 12/17/2022] [Indexed: 02/10/2023]
Abstract
OBJECTIVE To examine the relationship between craniofacial skeletal anatomy and objective measures of pharyngeal collapse obtained during drug-induced sleep endoscopy. We hypothesized that transverse maxillary deficiency and an increased pharyngeal length will be associated with higher levels of pharyngeal collapsibility. STUDY DESIGN Cross-sectional analysis in a prospective cohort. SETTING University Hospital. METHODS A cross-sectional analysis was conducted in a cohort of consecutive patients from the positive airway pressure (PAP) alternatives clinic who underwent computed tomography (CT) analysis and drug-induced sleep endoscopy for characterization of upper airway collapsibility. PAP titration was used to determine pharyngeal critical pressure (PCRIT ) and pharyngeal opening pressure (PhOP). CT metrics included: Transverse maxillary dimensions (interpremolar and intermolar distances) and pharyngeal length (posterior nasal spine to hyoid distance). RESULTS The cohort (n = 103) of severe obstructive sleep apnea (Apnea and Hipopnea Index 32.1 ± 21.3 events/h) was predominantly male (71.8%), Caucasian (81.6%), middle-aged (54.4 ± 14.3 years), and obese (body mass index [BMI] = 30.0 ± 4.9 kg/m2 ). Reduced transverse maxillary dimensions were associated with higher PCRIT (intermolar distance: β [95% confidence interval, CI] = -.25 [-0.14, -0.36] cmH2 O/mm; p = .03) and PhOP (Interpremolar distance: β = -.25 [-0.14, -0.36] cmH2 O/mm; p = .02). Longer pharyngeal length was also associated with higher PCRIT (β = .11 [0.08, 0.14] cmH2 O/mm, p = .04) and PhOP (β [95% CI] = .06 [0.03, 0.09] cmH2 O/mm, p = .04). These associations persisted after adjustments for sex, age, height, and BMI. CONCLUSION Our results further the concept that skeletal restriction in the transverse dimension and hyoid descent are associated with elevations in pharyngeal collapsibility during sleep, suggesting a role of transverse deficiency in the pathogenesis of airway obstruction.
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Affiliation(s)
- Eric Thuler
- Division of Sleep Surgery, Department of Otorhinolaryngology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Everett G Seay
- Division of Sleep Surgery, Department of Otorhinolaryngology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - John Woo
- Department of Radiology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
- Department of Otolaryngology, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
| | - Jane Lee
- Department of Radiology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Niusha Jafari
- Division of Sleep Medicine, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Brendan T Keenan
- Division of Sleep Medicine, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Raj C Dedhia
- Division of Sleep Surgery, Department of Otorhinolaryngology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
- Division of Sleep Medicine, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Alan R Schwartz
- Division of Sleep Surgery, Department of Otorhinolaryngology, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
- Department of Otolaryngology, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
- Department of Otorhinolaryngology, Universidad Peruana Cayetano Heredia School of Medicine, Lima, Peru
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Viana A, Estevão D, Zhao C. The clinical application progress and potential of drug-induced sleep endoscopy in obstructive sleep apnea. Ann Med 2022; 54:2909-2920. [PMID: 36269026 PMCID: PMC9590429 DOI: 10.1080/07853890.2022.2134586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Background and Objective: Obstructive sleep apnoea (OSA) is characterized by nocturnal repetitive upper airway (UA) collapse. For sleep physicians, the recognition of UA collapse characteristics is critical for understanding OSA mechanisms and developing individualized treatment plans. Drug-induced sleep endoscopy (DISE) is an exam during simulated sleep that allows the dynamic assessment of the UA of individuals with OSA. The initial recognition of DISE was to locate the sites of UA obstruction and direct the surgical selection of OSA since it was introduced in the 1990s. After approximately 30 years of studies, based on advances in endoscopic operative techniques and innovative treatments of OSA, DISE had been performed to explore mechanisms and comprehensive treatments related to UA collapse. Methods: This article reviewed contemporary DISE advances, including indications and contraindications, technique of induced sleep, endoscopic operation, UA characteristics classification.Results and Conclusions: Precise selection based on the association between collapse patterns and treatment modalities, such as continuous positive airway pressure, oral appliance, positional therapy, robotic surgery and neurostimulator implanting, is the future research prospect based on DISE.Key messagesDISE provides sleep physicians with valuable information about the upper airway collapse characteristics and dynamic changes during sleep.The studies based on DISE findings improve the selectivity and efficiency of treatment modalities, including classical therapies such as continuous positive airway pressure, oral appliance, positional therapy, and innovative therapies such as neurostimulator implanting and robotic surgery, promote the advancement of OSA precision medicine.
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Affiliation(s)
- Alonço Viana
- Graduate Program of Neurology, Rio de Janeiro State Federal University (UNIRIO), Rio de Janeiro, Brazil.,Department of Otorhinolaryngology, Marcilio Dias Naval Hospital, Rio de Janeiro, Brazil
| | - Débora Estevão
- Graduate Program of Neurology, Rio de Janeiro State Federal University (UNIRIO), Rio de Janeiro, Brazil.,Department of Otorhinolaryngology, Glória D'Or Hospital - Rede D'Or São Luiz, Rio de Janeiro, Brazil
| | - Chen Zhao
- Department of Otorhinolaryngology, the First Hospital of China Medical University, Shenyang, China
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Van den Bossche K, Van de Perck E, Kazemeini E, Willemen M, Van de Heyning PH, Verbraecken J, Op de Beeck S, Vanderveken OM. Natural sleep endoscopy in obstructive sleep apnea: A systematic review. Sleep Med Rev 2021; 60:101534. [PMID: 34418668 DOI: 10.1016/j.smrv.2021.101534] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 07/07/2021] [Accepted: 07/17/2021] [Indexed: 01/05/2023]
Abstract
This study's objective is to systematically review the literature on natural sleep endoscopy (NSE), including the set-up, different scoring systems, visualized collapse patterns during natural sleep, additional measurements, and comparison of upper airway collapse between NSE and drug-induced sleep endoscopy (DISE). A computerized search on Medline, Web of Science and the Cochrane library was conducted, obtaining 39 hits. Ten prospective studies were included in which NSE was performed in adults with obstructive sleep apnea (OSA). This study's findings suggest the soft palate to be the most frequent site of obstruction (58.8 %), followed by the tongue base (43.2 %), lateral walls (29.9 %), and epiglottis (22.4 %), which is in line with previous findings during DISE. Based on this literature review, the authors conclude that at this stage high quality, comparative research between DISE and NSE is missing. To adequately compare findings between OSA patients, endoscopic classification of upper airway collapse should be standardized. Non-invasive predictive tools to determine pharyngeal collapse are currently under investigation and may obviate the need for invasive endoscopy. This review highlights the contribution of NSE in validating such novel diagnostic methods and in studying upper airway mechanics in a research setting, yet larger and adequately powered studies are needed.
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Affiliation(s)
- Karlien Van den Bossche
- Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium; ENT, Head and Neck Surgery, Antwerp University Hospital, Edegem, Belgium.
| | - Eli Van de Perck
- Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium; ENT, Head and Neck Surgery, Antwerp University Hospital, Edegem, Belgium
| | - Elahe Kazemeini
- Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium; ENT, Head and Neck Surgery, Antwerp University Hospital, Edegem, Belgium
| | - Marc Willemen
- Multidisciplinary Sleep Disorders Centre, Antwerp University Hospital, Edegem, Belgium
| | | | - Johan Verbraecken
- Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium; Multidisciplinary Sleep Disorders Centre, Antwerp University Hospital, Edegem, Belgium
| | - Sara Op de Beeck
- Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium; ENT, Head and Neck Surgery, Antwerp University Hospital, Edegem, Belgium; Multidisciplinary Sleep Disorders Centre, Antwerp University Hospital, Edegem, Belgium
| | - Olivier M Vanderveken
- Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium; ENT, Head and Neck Surgery, Antwerp University Hospital, Edegem, Belgium; Multidisciplinary Sleep Disorders Centre, Antwerp University Hospital, Edegem, Belgium
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Is There a Perfect Drug for Sedation in DISE? CURRENT OTORHINOLARYNGOLOGY REPORTS 2021. [DOI: 10.1007/s40136-021-00355-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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