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De Vito A, Olszewska E, Kotecha B, Thuler E, Casale M, Cammaroto G, Vicini C, Vanderveken OM. A Critical Analysis of Pharyngeal Patterns of Collapse in Obstructive Sleep Apnea: Beyond the Endoscopic Classification Systems. J Clin Med 2023; 13:165. [PMID: 38202171 PMCID: PMC10779773 DOI: 10.3390/jcm13010165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 12/17/2023] [Accepted: 12/25/2023] [Indexed: 01/12/2024] Open
Abstract
(1) Background: Drug-Induced Sleep Endoscopy (DISE) enables the three-dimensional and dynamic visualization of the upper airway (UA) during sleep, which is useful in selecting the best treatment option for obstructive sleep apnea (OSA) patients, particularly for surgical procedures. Despite international consensus statements or position papers, a universally accepted DISE methodology and classification system remain a controversial open question. (2) Methods: A review of the English scientific literature on DISE related to endoscopic classification systems and surgical outcome predictors (3) Results: Of the 105 articles, 47 were included in the analysis based on their content's relevance to the searched keywords. (4) Conclusions: A final report and scoring classification system is not universally accepted; the most internationally applied endoscopic classification system during DISE does not cover all patterns of events that occur simultaneously during the endoscopic examination, highlighting that several configurations of collapse and obstruction at different UA levels could be observed during DISE, which should be described in detail if DISE has to be considered in the decision-making process for the UA surgical treatment in OSA patients and if DISE has to have a role as a predictive factor for surgical outcomes analysis.
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Affiliation(s)
- Andrea De Vito
- ENT Unit, Department of Surgery, Ravenna-Lugo Hospitals, Health Local Agency of Romagna, 48121 Ravenna, Italy;
- ENT Unit, Department of Surgery, Forlì—Faenza Hospitals, Health Local Agency of Romagna, 47122 Forlì, Italy
| | - Ewa Olszewska
- Department of Otolaryngology, Medical University of Bialystok, 15-328 Bialystok, Poland;
| | - Bhik Kotecha
- Queens Hospital, Barking Harvering and Redbridge University Hospitals NHS Trust, Rom Vally Way, Romford RM1 2BA, UK;
| | - Eric Thuler
- Sleep Surgery Division, OHNS Department, University of Pennsylvania, Philadelphia, PA 19104, USA;
| | - Manuele Casale
- Integrated Therapies in Otolaryngology, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Rome, Italy;
| | - Giovanni Cammaroto
- ENT Unit, Department of Surgery, Forlì—Faenza Hospitals, Health Local Agency of Romagna, 47122 Forlì, Italy
| | - Claudio Vicini
- ENT Unit, Faenza Hospital, Villa Maria Group, 48018 Faenza, Italy;
| | - Olivier M. Vanderveken
- Department of Otorhinolaryngology-Head and Neck Surgery, Antwerp University Hospital (UZA), 2650 Antwerp, Belgium;
- Faculty of Medicine and Health Sciences, University of Antwerp, 2610 Antwerp, Belgium
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2
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Van den Bossche K, Van de Perck E, Vroegop AV, Verbraecken JA, Braem MJ, Dieltjens M, Op de Beeck S, Vanderveken OM. Quantitative Measurement of Pharyngeal Dimensions During Drug-induced Sleep Endoscopy for Oral Appliance Outcome. Laryngoscope 2023; 133:3619-3627. [PMID: 37366240 DOI: 10.1002/lary.30823] [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: 12/30/2022] [Revised: 04/20/2023] [Accepted: 05/17/2023] [Indexed: 06/28/2023]
Abstract
OBJECTIVE To quantitatively investigate the effect of mandibular advancement devices (MADs) on pharyngeal airway dimensions in a transverse plane as measured during drug-induced sleep endoscopy (DISE). METHODS Data from 56 patients, treated with MAD at 75% maximal protrusion and with baseline Apnea-Hypopnea Index ≥10 events/h, were analyzed. For each patient, three snapshots were selected from DISE video footage at baseline, with MAD presence, and during chin lift, resulting in 498 images (168/168/162, baseline/MAD/chin lift). Cross-sectional areas, anteroposterior (AP) and laterolateral (LL) dimensions on both retroglossal and retro-epiglottic levels were measured. To define the effect of MAD and chin lift on pharyngeal dimensions, linear mixed-effect models were built. Associations between MAD treatment response and pharyngeal expansion (MAD/chin lift) were determined. RESULTS Significant differences were found between retroglossal cross-sectional areas, AP, and LL dimensions at baseline and with MAD presence. At a retro-epiglottic level, only LL dimensions differed significantly with MAD presence compared to baseline, with significant relation of LL expansion ratio to treatment response (p = 0.0176). After adjusting the response definition for the sleeping position, greater retroglossal expansion ratios were seen in responders (1.32 ± 0.48) compared to non-responders (1.11 ± 0.32) (p = 0.0441). No significant association was found between response and pharyngeal expansion by chin lift. CONCLUSION Our observations highlight the additional value of quantitative pharyngeal airway measurements during DISE with MAD presence in evaluating MAD treatment outcome. These findings demonstrate an increase in retroglossal airway dimensions during DISE, with MAD presence, and more pronounced increase in retroglossal expansion ratios in MAD treatment responders compared to non-responders after sleeping position correction. LEVEL OF EVIDENCE 3 Laryngoscope, 133:3619-3627, 2023.
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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
| | - Anneclaire V Vroegop
- 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
| | - Johan A Verbraecken
- Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium
- Multidisciplinary Sleep Disorders Centre, Antwerp University Hospital, Edegem, Belgium
| | - Marc J Braem
- Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium
- ENT, Head and Neck Surgery, Antwerp University Hospital, Edegem, Belgium
| | - Marijke Dieltjens
- Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium
- ENT, Head and Neck Surgery, 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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3
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Lin HC, Wang CH, Kuo TBJ, Yang CCH, Lee JC, Chiu FS, Chang Y, Jacobowitz O, Chu CM, Hsu YS. Upper Airway Surgery or Weight Control? Modified Drug-Induced Sleep Endoscopy for Obstructive Sleep Apnea. Otolaryngol Head Neck Surg 2023; 169:1345-1355. [PMID: 37210602 DOI: 10.1002/ohn.364] [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: 10/15/2022] [Revised: 03/23/2023] [Accepted: 04/01/2023] [Indexed: 05/22/2023]
Abstract
OBJECTIVE To identify the value of head rotation in the supine position and oral appliance (OA) use in drug-induced sleep endoscopy (DISE). STUDY DESIGN Eighty-three sleep apnea adults undergoing target-controlled infusion-DISE (TCI-DISE) were recruited from a tertiary academic medical center. SETTING During DISE, 4 positions were utilized: supine position (position 1), head rotation (position 2), mandibular advancement using an OA (position 3), and head rotation with an OA (position 4). METHODS Polysomnography (PSG) data and anthropometric variables during DISE were analyzed. RESULTS Eighty-three patients (65 men and 18 women; mean [standard deviation, SD], 48.5 [11.0] years) who underwent PSG and TCI-DISE were included. The mean (SD) apnea-hypopnea index (AHI) was 35.5 (22.4) events/h. Twenty-three patients had persistent complete concentric velopharyngeal collapse in the supine position, even with concurrent head rotation and OA (position 4). Their mean (SD) AHI was 54.7 (24.6) events/h, significantly higher than that of the 60 patients without such collapse in position 4 (p < .001). Their mean (SD) body mass index (BMI) was 29.0 (4.1) kg/m2 , also significantly higher (p = .005). After adjustment for age, BMI, tonsil size, and tongue position, the degree of velum and tongue base obstruction was significantly associated with sleep apnea severity in positions 2, 3, and 4. CONCLUSION We showed the feasibility, safety, and usefulness of using simple edge-to-edge, reusable OA in DISE. Patients who are not responsive to head rotation and OA during TCI-DISE may need upper airway surgery and/or weight control.
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Affiliation(s)
- Hung-Che Lin
- Department of Otolaryngology-Head and Neck Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Chih-Hung Wang
- Department of Otolaryngology-Head and Neck Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Terry B J Kuo
- Institute of Brain Science, National Yang Ming Chiao Tung University, Taipei, Taiwan, Republic of China
- Sleep Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan, Republic of China
- Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan, Republic of China
- Department of Education and Research, Taipei City Hospital, Taipei, Taiwan, Republic of China
- Clinical Research Center, Taoyuan Psychiatric Center Ministry of Health and Welfare, Taoyuan, Taiwan, Republic of China
| | - Cheryl C H Yang
- Institute of Brain Science, National Yang Ming Chiao Tung University, Taipei, Taiwan, Republic of China
- Sleep Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan, Republic of China
- Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan, Republic of China
- Department of Education and Research, Taipei City Hospital, Taipei, Taiwan, Republic of China
| | - Jih-Chin Lee
- Department of Otolaryngology-Head and Neck Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Feng-Shiang Chiu
- Department of Otolaryngology-Head and Neck Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Yi Chang
- Department of Anesthesiology, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan, Republic of China
| | | | - Chi-Ming Chu
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan, Republic of China
- School of Public Health, National Defense Medical Center, Taipei, Taiwan, Republic of China
- Big Data Research Center, College of Medicine, Fu-Jen Catholic University, New Taipei City, Taiwan
- Department of Public Health, Kaohsiung Medical University, Kaohsiung, Taiwan, Republic of China
- Department of Public Health, China Medical University, Taichung, Taiwan, Republic of China
| | - Ying-Shuo Hsu
- Institute of Brain Science, National Yang Ming Chiao Tung University, Taipei, Taiwan, Republic of China
- Sleep Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan, Republic of China
- Department of Otolaryngology, Shin Kong Wu-Ho-Su Memorial Hospital, Taipei, Taiwan, Republic of China
- School of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan, Republic of China
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4
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Zhang J, Zhang Y, Fang X, Weng L, Zhu S, Luo N, Huang D, Guo Q, Huang C. Comparison of Remimazolam and Propofol for Drug-Induced Sleep Endoscopy: A Randomized Clinical Trial. Otolaryngol Head Neck Surg 2023; 169:1356-1365. [PMID: 37264980 DOI: 10.1002/ohn.387] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 04/12/2023] [Accepted: 04/29/2023] [Indexed: 06/03/2023]
Abstract
OBJECTIVE To compare the efficacy and safety of remimazolam with those of propofol for drug-induced sleep endoscopy (DISE) in patients with obstructive sleep apnea-hypopnea syndrome (OSAHS). STUDY DESIGN A prospective, single-center, randomized clinical trial. SETTING Xiangya Hospital of Central South University. METHODS Patients with OSAHS receiving DISE were randomly assigned to either the remimazolam or propofol group. The primary outcome was the incidence of hypoxemia (pulse oxygen saturation [SpO2 ] < 90%) during DISE. The secondary outcomes were the incidence of severe hypoxemia (SpO2 < 80%), the minimal value of SpO2 , sedation success rate (completion of DISE according to the medication regimen), and incidence of events of interest (including injection pain, bradycardia, and decreased respiratory rate). RESULTS Sixty-four patients were included in this study. The incidence of hypoxemia was significantly lower in the remimazolam than in the propofol group (25.00% vs 62.50%, respectively; relative risk, 0.40; 95% confidence interval [CI], 0.20-0.74; p < .01). There was no significant difference in the sedation success rate between the remimazolam and propofol groups (96.88% vs 81.25%, respectively; relative risk, 1.19; 95% CI, 1.01-1.50; p = .10). The incidence of at least 1 event of interest was lower in the remimazolam than in the propofol group (43.75% vs 96.88%, respectively; relative risk, 0.45; 95% CI, 0.29-0.63; p < .01). CONCLUSION Remimazolam can present satisfactory sedative efficacy in DISE, with a lower incidence of hypoxemia and a higher safety profile than propofol.
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Affiliation(s)
- Jianxi Zhang
- Department of Anesthesiology, Xiangya Hospital Central South University, Changsha, China
| | - Yiying Zhang
- Department of Anesthesiology, Xiangya Hospital Central South University, Changsha, China
| | - Xing Fang
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital Central South University, Changsha, China
- Department of Otolaryngology-Head and Neck Surgery, Xiangya Hospital, Central South University, Changsha, China
| | - Lili Weng
- Department of Anesthesiology, Xiangya Hospital Central South University, Changsha, China
| | - Sha Zhu
- Department of Anesthesiology, Xiangya Hospital Central South University, Changsha, China
| | - Ning Luo
- Department of Anesthesiology, Xiangya Hospital Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital Central South University, Changsha, China
| | - Donghai Huang
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital Central South University, Changsha, China
- Department of Otolaryngology-Head and Neck Surgery, Xiangya Hospital, Central South University, Changsha, China
| | - Qulian Guo
- Department of Anesthesiology, Xiangya Hospital Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital Central South University, Changsha, China
| | - Changsheng Huang
- Department of Anesthesiology, Xiangya Hospital Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital Central South University, Changsha, China
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5
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Aktuelle Entwicklungen in der Schlafforschung und Schlafmedizin – eine Einschätzung der AG „Chirurgische Therapieverfahren“. SOMNOLOGIE 2022. [DOI: 10.1007/s11818-022-00367-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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6
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Automatic classification of the obstruction site in obstructive sleep apnea based on snoring sounds. Am J Otolaryngol 2022; 43:103584. [DOI: 10.1016/j.amjoto.2022.103584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 08/02/2022] [Indexed: 11/22/2022]
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7
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Zhang C, Chen M, Shen Y, Gong Y, Ma J, Wang G. Impact of Upper Airway Characteristics on Disease Severity and CPAP Therapy in Chinese Patients With OSA: An Observational Retrospective Study. Front Neurol 2022; 13:767336. [PMID: 35309580 PMCID: PMC8930821 DOI: 10.3389/fneur.2022.767336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 01/27/2022] [Indexed: 11/13/2022] Open
Abstract
Objective The characteristics of the upper airway (UA) are important for the evaluation and treatment of obstructive sleep apnea (OSA). This study aimed to investigate the association of UA characteristics with OSA severity, titration pressure, and initiation of and 3-month compliance with continuous positive airway pressure (CPAP). Methods This retrospective study included consecutive patients examined using a semi-quantitative UA evaluation system (combination with physical examination and awake endoscopy) during 2008–2018 at the Department of Respiratory and Critical Care Medicine, Peking University First Hospital. First, the differences in UA characteristics were compared between patients with simple snorers and mild OSA and those with moderate-to-severe OSA. Then, the effect of UA characteristics on the initiation to CPAP therapy and 3-month adherence to CPAP was conducted. Results Overall, 1,002 patients were included, including 276 simple snorers and patients in the mild OSA group [apnea-hypopnea index (AHI) <15] and 726 patients in the moderate-to-severe OSA group (AHI ≥15). Tongue base hypertrophy, tonsillar hypertrophy, mandibular recession, neck circumstance, and body mass index (BMI) were independent risk factors for moderate-to-severe OSA. Among those patients, 119 patients underwent CPAP titration in the sleep lab. The CPAP pressures in patients with thick and long uvulas, tonsillar hypertrophy, lateral pharyngeal wall stenosis, and tongue hypertrophy were higher than those of the control group (P < 0.05, respectively). The logistic regression analysis showed that nasal turbinate hypertrophy, mandibular retrusion, and positive Müller maneuver in the retropalate and retroglottal regions were independent predictors for the initiation of home CPAP treatment. Conclusion Multisite narrowing and function collapse of the UA are important factors affecting OSA severity, CPAP titration pressure, and the initiation of home CPAP therapy. Clinical evaluation with awake endoscopy is a safe and effective way for the assessment of patients with OSA in internal medicine.
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Affiliation(s)
- Cheng Zhang
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Mingxin Chen
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yane Shen
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Yuhong Gong
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
| | - Jing Ma
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
- *Correspondence: Jing Ma
| | - Guangfa Wang
- Department of Respiratory and Critical Care Medicine, Peking University First Hospital, Beijing, China
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Kazemeini E, Van de Perck E, Dieltjens M, Willemen M, Verbraecken JA, Sands SA, Vanderveken OM, Op de Beeck S. Critical closing pressure (Pcrit) of the pharyngeal airway during routine drug-induced sleep endoscopy: feasibility and protocol. J Appl Physiol (1985) 2022; 132:925-937. [PMID: 35112928 PMCID: PMC8993534 DOI: 10.1152/japplphysiol.00624.2021] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
In obstructive sleep apnea (OSA), there are various pathophysiological factors affecting the upper airway during sleep. Two prominent factors contributing to OSA are site and pattern of upper airway collapse and degree of pharyngeal collapsibility. In a clinical setting, drug-induced sleep endoscopy (DISE) is used to visualize the structures of the upper airway. Critical closing pressure (Pcrit) is the gold standard measure of pharyngeal collapsibility. This prospective clinical study aimed to investigate the feasibility and protocol of Pcrit measurements during DISE. Thirteen patients with OSA were included. Pcrit was calculated using peak inspiratory airflow and inspiratory ventilation. The proposed protocol was successful in Pcrit measurement during DISE in all subjects [median[Q1;Q3] Pcrit for “peak inspiratory method” (n = 12): −0.84[−2.07;0.69] cmH2O, “ventilation method” (n = 13): −1.32[2.32;0.47] cmH2O], highlighting the feasibility of the approach. There was no significant difference (P = 0.67) between calculated Pcrit with either of the calculation methods, indicating high reliability. Correlation analysis showed Pcrit as an independent parameter of any of the anthropometric or polysomnographic parameters. The ventilation method proved to be more successful in assessment of Pcrit in subjects with epiglottic collapse (e.g., with high negative effort dependence). Subjects with palatal complete concentric collapse during DISE had a wide Pcrit range ([−2.86;2.51]cmH2O), suggesting no close correlation between Pcrit and this DISE pattern (P = 0.38). Incorporation of Pcrit measurements into DISE assessments is feasible and may yield valuable additional information for OSA management. Combining Pcrit and DISE provides information on both the site and degree of upper airway collapse and the degree of pharyngeal collapsibility. NEW & NOTEWORTHY The protocol of this study was successful in concomitant measurement of Pcrit during routine clinical endoscopy. Comparison of two calculation methods for Pcrit showed that the inspiratory ventilation method was more successful in assessment of Pcrit in subjects with epiglottic collapse who have high negative effort dependence. Subjects with palatal complete concentric collapse during DISE had a wide Pcrit range and did not have a greater Pcrit than patients in other site of collapse categories.
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Affiliation(s)
- Elahe Kazemeini
- Translational Neurosciences, 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
- Translational Neurosciences, Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium.,ENT, Head and Neck Surgery, Antwerp University Hospital, Edegem, Belgium
| | - Marijke Dieltjens
- Translational Neurosciences, 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 A Verbraecken
- Laboratory of Experimental Medicine and Pediatrics (LEMP), Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium.,Department of Pulmonology, Antwerp University Hospital, Edegem, Antwerp, Belgium
| | - Scott A Sands
- Division of Sleep and Circadian Disorders, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States
| | - Olivier M Vanderveken
- ENT, Head and Neck Surgery, Antwerp University Hospital, Edegem, Belgium.,Multidisciplinary Sleep Disorders Centre, Antwerp University Hospital, Edegem, Belgium
| | - Sara Op de Beeck
- Translational Neurosciences, 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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9
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Van den Bossche K, Van de Perck E, Wellman A, Kazemeini E, Willemen M, Verbraecken J, Vanderveken OM, Vena D, Op de Beeck S. Comparison of Drug-Induced Sleep Endoscopy and Natural Sleep Endoscopy in the Assessment of Upper Airway Pathophysiology During Sleep: Protocol and Study Design. Front Neurol 2021; 12:768973. [PMID: 34950101 PMCID: PMC8690862 DOI: 10.3389/fneur.2021.768973] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 11/15/2021] [Indexed: 11/13/2022] Open
Abstract
Study Objectives: Obstructive sleep apnea (OSA) is increasingly recognized as a complex and heterogenous disorder. As a result, a "one-size-fits-all" management approach should be avoided. Therefore, evaluation of pathophysiological endotyping in OSA patients is emphasized, with upper airway collapse during sleep as one of the main features. To assess the site(s) and pattern(s) of upper airway collapse, natural sleep endoscopy (NSE) is defined as the gold standard. As NSE is labor-intensive and time-consuming, it is not feasible in routine practice. Instead, drug-induced sleep endoscopy (DISE) is the most frequently used technique and can be considered as the clinical standard. Flow shape and snoring analysis are non-invasive measurement techniques, yet are still evolving. Although DISE is used as the clinical alternative to assess upper airway collapse, associations between DISE and NSE observations, and associated flow and snoring signals, have not been quantified satisfactorily. In the current project we aim to compare upper airway collapse identified in patients with OSA using endoscopic techniques as well as flow shape analysis and analysis of tracheal snoring sounds between natural and drug-induced sleep. Methods: This study is a blinded prospective comparative multicenter cohort study. The study population will consist of adult patients with a recent diagnosis of OSA. Eligible patients will undergo a polysomnography (PSG) with NSE overnight and a DISE within 3 months. During DISE the upper airway is assessed under sedation by an experienced ear, nose, throat (ENT) surgeon using a flexible fiberoptic endoscope in the operating theater. In contrast to DISE, NSE is performed during natural sleep using a pediatric bronchoscope. During research DISE and NSE, the standard set-up is expanded with additional PSG measurements, including gold standard flow and analysis of tracheal snoring sounds. Conclusions: This project will be one of the first studies to formally compare collapse patterns during natural and drug-induced sleep. Moreover, this will be, to the authors' best knowledge, the first comparative research in airflow shape and tracheal snoring sounds analysis between DISE and NSE. These novel and non-invasive diagnostic methods studying upper airway mechanics during sleep will be simultaneously validated against DISE and NSE. Clinical Trial Registration: www.ClinicalTrials.gov, identifier: NCT04729478.
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Affiliation(s)
- Karlien Van den Bossche
- Department of ENT and Head and Neck Surgery, Antwerp University Hospital, Edegem, Belgium.,Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium
| | - Eli Van de Perck
- Department of ENT and Head and Neck Surgery, Antwerp University Hospital, Edegem, Belgium.,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, United States
| | - Elahe Kazemeini
- Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium
| | - Marc Willemen
- Multidisciplinary Sleep Disorders Center, Antwerp University Hospital, Edegem, Belgium
| | - Johan Verbraecken
- Department of ENT and Head and Neck Surgery, Antwerp University Hospital, Edegem, Belgium.,Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium.,Multidisciplinary Sleep Disorders Center, Antwerp University Hospital, Edegem, Belgium
| | - Olivier M Vanderveken
- Department of ENT and Head and Neck Surgery, Antwerp University Hospital, Edegem, Belgium.,Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium.,Multidisciplinary Sleep Disorders Center, Antwerp University Hospital, Edegem, Belgium
| | - Daniel Vena
- Division of Sleep and Circadian Disorders, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States
| | - Sara Op de Beeck
- Department of ENT and Head and Neck Surgery, Antwerp University Hospital, Edegem, Belgium.,Faculty of Medicine and Health Sciences, University of Antwerp, Wilrijk, Belgium.,Multidisciplinary Sleep Disorders Center, Antwerp University Hospital, Edegem, Belgium
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