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Ulualp SO, Kezirian EJ. Advanced Diagnostic Techniques in Obstructive Sleep Apnea. Otolaryngol Clin North Am 2024; 57:371-383. [PMID: 38485538 DOI: 10.1016/j.otc.2024.02.002] [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] [Indexed: 04/30/2024]
Abstract
Optimal surgical and medical management of obstructive sleep apnea requires clinically reliable identification of patterns and sites of upper airway obstruction. A wide variety of modalities have been used to evaluate upper airway obstruction. Drug-induced sleep endoscopy (DISE) and cine MRI are increasingly used to identify upper airway obstruction sites, to characterize airway obstruction patterns, to determine optimum medical and surgical treatment, and to plan individualized surgical management. Here, we provide an overview of the applications of DISE and cine MRI in assessing upper airway obstruction in children and adults with obstructive sleep apnea.
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Affiliation(s)
- Seckin O Ulualp
- Department of Otolaryngology-Head and Neck Surgery, University of Texas Southwestern Medical Center, Dallas, TX, USA; Division of Pediatric Otolaryngology, Children's Health, 2360 North Stemmons Freeway, F6.215, Dallas, TX 75207, USA.
| | - Eric J Kezirian
- Department of Head and Neck Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA; Department of Head and Neck Surgery, 1131 Wilshire Boulevard, Suite 302, Santa Monica, CA 90401, USA
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Ulualp SO, Kezirian EJ. Advanced Diagnostic Techniques in Obstructive Sleep Apnea. Otolaryngol Clin North Am 2024:S0030-6665(24)00033-1. [PMID: 38519293 DOI: 10.1016/j.otc.2024.02.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/24/2024]
Abstract
Optimal surgical and medical management of obstructive sleep apnea (OSA) requires clinically reliable identification of patterns and sites of upper airway obstruction. A wide variety of modalities has been used to evaluate upper airway obstruction. Drug-induced sleep endoscopy (DISE) and cine MRI are increasingly used to identify upper airway obstruction sites, to characterize airway obstruction patterns, to determine optimum medical and surgical treatment, and to plan individualized surgical management. Here, the authors provide an overview of the applications of DISE and cine MRI in assessing upper airway obstruction in children and adults with OSA.
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Affiliation(s)
- Seckin O Ulualp
- Department of Otolaryngology-Head and Neck Surgery, University of Texas Southwestern Medical Center, Dallas, TX, USA; Division of Pediatric Otolaryngology, Children's Health, 2360 North Stemmons Freeway, F6.215, Dallas, TX 75207, USA.
| | - Eric J Kezirian
- Department of Head and Neck Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA; Department of Head and Neck Surgery, 1131 Wilshire Boulevard, Suite 302, Santa Monica, CA 90401, USA
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Kanotra SP, Rand D, Mulanax C. Transcervical Epiglottopexy: A versatile technique for managing epiglottic prolapse. Otolaryngol Head Neck Surg 2024; 170:380-390. [PMID: 37622519 DOI: 10.1002/ohn.488] [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: 05/11/2023] [Revised: 06/23/2023] [Accepted: 07/29/2023] [Indexed: 08/26/2023]
Abstract
OBJECTIVE Epiglottic prolapse (EP) presents a unique management challenge. The objective of the present case series is to present clinical outcomes using a novel technique of transcervical epiglottopexy (TCE) in etiologically diverse cases of EP and to discuss the evolution of the surgical technique with technical modifications to optimize the surgical procedure. STUDY DESIGN A retrospective case series review. SETTING Tertiary care academic setting. METHODS Pediatric cases with EP over a 3-year period. Demographic data including age, sex, presenting symptoms, operative details, and polysomnographic indices were collected. RESULTS A total of 18 patients with a mean age of 48.88 ± 37.3 months underwent TCE. Sixty-seven percent of patients had high-grade EP (grades 3 and 4). A previous endolaryngeal epiglottopexy had been performed in 5 (28%) patients. Fourteen (78%) patients had a concurrent airway procedure performed including 4 undergoing single-stage laryngotracheal reconstruction. The mean suspension time only for the TCE part ranged from 8 to 17 minutes with a mean of 11.23 ± 3.4 minutes. A stable EP defined as a healed glossoepiglottic adhesion was achieved in all but 1 case with an overall success rate of 95%. All cases with previous failed endoscopic epiglottopexy had a stable epiglottopexy. No immediate complications were noticed. Among the late complications, the most common was the formation of granulation tissue at the site of silastic disc placement which was seen in 3 patients. CONCLUSION TCE using an exo-endolaryngeal technique can achieve stable epiglottopexy in children with EP and can be adapted for any kind of EP.
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Affiliation(s)
- Sohit Paul Kanotra
- Department of Otolaryngology-Head and Neck Surgery, University of Iowa Hospitals & Clinics, Iowa City, Iowa, USA
| | - Dayton Rand
- Department of Otolaryngology-Head and Neck Surgery, University of Iowa Hospitals & Clinics, Iowa City, Iowa, USA
| | - Catalina Mulanax
- Department of Otolaryngology-Head and Neck Surgery, University of Iowa Hospitals & Clinics, Iowa City, Iowa, USA
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Iannella G, Magliulo G, Greco A, De Virgilio A, Maniaci A, Lechien JR, Calvo-Henriquez C, Bahgat AY, Casale M, Lugo R, Baptista P, Salamanca F, D’Ecclesia A, Perrone T, Leone F, Cannavicci A, Cammaroto G, Vicini C, Pace A. Clinical Application of Pediatric Sleep Endoscopy: An International Survey. CHILDREN (BASEL, SWITZERLAND) 2024; 11:94. [PMID: 38255407 PMCID: PMC10814917 DOI: 10.3390/children11010094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 12/26/2023] [Accepted: 01/05/2024] [Indexed: 01/24/2024]
Abstract
OBJECTIVES To investigate through an international survey the actual clinical application of drug-induced sleep endoscopy (DISE) in pediatric patients with obstructive sleep apnea (OSA) and to clarify the use, application, clinical indications, and protocol of pediatric DISE. METHODS A specific survey about pediatric DISE was initially developed by five international otolaryngologists with expertise in pediatric sleep apnea and drug-induced sleep endoscopy and was later spread to experts in the field of sleep apnea, members of different OSA-related associations. RESULTS A total of 101 participants who answered all the survey questions were considered in the study. Sixty-four sleep apnea experts, equivalent to 63.4% of interviewed experts, declared they would perform DISE in pediatric OSA patients. A total of 81.9% of responders agreed to consider the DISE as the first diagnostic step in children with persistent OSA after adenotonsillectomy surgery, whereas 55.4% disagreed with performing DISE at the same time of scheduled adenotonsillectomy surgery to identify other possible sites of collapse. In the case of young patients with residual OSA and only pharyngeal collapse during DISE, 51.8% of experts agreed with performing a velopharyngeal surgery. In this case, 27.7% disagreed and 21.4% were neutral. CONCLUSION Pediatric DISE is internationally considered to be a safe and effective procedure for identifying sites of obstruction and collapse after adenotonsillectomy in children with residual OSA. This is also useful in cases of patients with craniofacial malformations, small tonsils, laryngomalacia or Down syndrome to identify the actual site(s) of collapse. Despite this evidence, our survey highlighted that pediatric DISE is not used in different sleep centers.
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Affiliation(s)
- Giannicola Iannella
- Department of Organi di Senso, Sapienza University, 00185 Rome, Italy; (G.M.); (A.G.); (A.P.)
| | - Giuseppe Magliulo
- Department of Organi di Senso, Sapienza University, 00185 Rome, Italy; (G.M.); (A.G.); (A.P.)
| | - Antonio Greco
- Department of Organi di Senso, Sapienza University, 00185 Rome, Italy; (G.M.); (A.G.); (A.P.)
| | - Armando De Virgilio
- Department of Biomedical Sciences, Humanitas University, 20072 Milan, Italy;
| | - Antonino Maniaci
- Department of Otolaryngology, Kore University, 94100 Enna, Italy;
| | - Jerome R. Lechien
- Department of Otolaryngology, Elsan Polyclinic of Poitiers, 86000 Poitiers, France;
| | - Christian Calvo-Henriquez
- Service of Otolaryngology, Rhinology Unit, Hospital Complex of Santiago de Compostela Travesía de Choupana, 15706 Santiago de Compostela, Spain;
| | - Ahmed Yassin Bahgat
- Department of Otorhinolaryngology-Head & Neck Surgery, Alexandria University, Alexandria 5424041, Egypt;
| | - Manuele Casale
- Integrated Therapies in Otolaryngology, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Rome, Italy;
| | - Rodolfo Lugo
- Department of Otorhinolaryngology, Grupo Medico San Pedro, Monterrey 64660, Mexico;
| | - Peter Baptista
- Department of Otorhinolaryngology, Clínica Universidad de Navarra, 31008 Pamplona, Spain;
| | - Fabrizio Salamanca
- Otorhinolaryngology Unit, San Pio X Hospital, 20159 Milan, Italy; (F.S.); (F.L.)
| | - Aurelio D’Ecclesia
- IRCCS ‘Casa Sollievo della Sofferenza’, 71013 San Giovanni Rotondo, Italy;
| | - Tiziano Perrone
- Otorhinolaryngology Unit, Civil Hospital of Alghero, 07041 Alghero, Italy;
| | - Federico Leone
- Otorhinolaryngology Unit, San Pio X Hospital, 20159 Milan, Italy; (F.S.); (F.L.)
| | - Angelo Cannavicci
- Head-Neck and Oral Surgery Unit, Department of Head-Neck Surgery, Otolaryngology, Morgagni Pierantoni Hospital, 47121 Forlì, Italy; (A.C.); (G.C.)
| | - Giovanni Cammaroto
- Head-Neck and Oral Surgery Unit, Department of Head-Neck Surgery, Otolaryngology, Morgagni Pierantoni Hospital, 47121 Forlì, Italy; (A.C.); (G.C.)
| | - Claudio Vicini
- Department ENT & Audiology, University of Ferrara, 44121 Ferrara, Italy;
| | - Annalisa Pace
- Department of Organi di Senso, Sapienza University, 00185 Rome, Italy; (G.M.); (A.G.); (A.P.)
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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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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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Francia C, Lugo R, Moffa A, Casale M, Giorgi L, Iafrati F, Di Giovanni S, Baptista P. Defining Epiglottic Collapses Patterns in Obstructive Sleep Apnea Patients: Francia-Lugo Classification. Healthcare (Basel) 2023; 11:2874. [PMID: 37958018 PMCID: PMC10647320 DOI: 10.3390/healthcare11212874] [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: 07/28/2023] [Revised: 10/23/2023] [Accepted: 10/30/2023] [Indexed: 11/15/2023] Open
Abstract
Obstructive Sleep Apnea (OSA) is characterized by repetitive collapse of the upper airway during sleep. Drug-Induced Sleep endoscopy (DISE) is used to identify the collapse site. Among the possible sites of collapse, the epiglottis occurs more frequently than previously described. In this study, we reviewed DISE findings and classified different epiglottic collapse patterns. We found 104 patients (16.4%) with epiglottis collapse (primary 12.5% and secondary 3.9%). We described the following patterns of epiglottis collapse: Anterior-Posterior (AP) collapse with rigid component "trapdoor type" (48%); AP collapse with lax component "floppy type" (13.5%); Lateral- Lateral (LL) collapse with omega shape component "book type" (14.5%); and secondary due to lateral pharyngeal wall or tongue base collapse (24%). The identification of the epiglottic collapse pattern is crucial in decision-making when attempting to ameliorate OSA. These findings in OSA phenotyping could influence the type of treatment chosen.
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Affiliation(s)
| | | | - Antonio Moffa
- Integrated Therapies in Otolaryngology, Campus Bio-Medico University Hospital Foundation, 00128 Rome, Italy
- School of Medicine, Campus Bio-Medico University, 00128 Rome, Italy
| | - Manuele Casale
- Integrated Therapies in Otolaryngology, Campus Bio-Medico University Hospital Foundation, 00128 Rome, Italy
- School of Medicine, Campus Bio-Medico University, 00128 Rome, Italy
| | - Lucrezia Giorgi
- Integrated Therapies in Otolaryngology, Campus Bio-Medico University Hospital Foundation, 00128 Rome, Italy
- Unit of Measurements and Biomedical Instrumentation, Department of Engineering, Campus Bio-Medico University of Rome, 00128 Rome, Italy
| | - Francesco Iafrati
- Integrated Therapies in Otolaryngology, Campus Bio-Medico University Hospital Foundation, 00128 Rome, Italy
- School of Medicine, Campus Bio-Medico University, 00128 Rome, Italy
| | - Simone Di Giovanni
- Integrated Therapies in Otolaryngology, Campus Bio-Medico University Hospital Foundation, 00128 Rome, Italy
- School of Medicine, Campus Bio-Medico University, 00128 Rome, Italy
| | - Peter Baptista
- Department of Otorhinolaryngology, Clínica Universidad de Navarra, 31008 Pamplona, Spain
- ENT Department, Al Zahra Private Hospital Dubai, Dubai 23614, United Arab Emirates
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Resnick CM, Katz E, Varidel A. MicroNAPS: A Novel Classification for Infants with Micrognathia, Robin Sequence, and Tongue-based Airway Obstruction. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2023; 11:e5283. [PMID: 37744769 PMCID: PMC10513129 DOI: 10.1097/gox.0000000000005283] [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: 06/07/2023] [Accepted: 08/02/2023] [Indexed: 09/26/2023]
Abstract
Background Robin sequence (RS) describes a heterogeneous population with micrognathia, glossoptosis, and upper airway obstruction (UAO). Workup, treatment, outcomes assessment, and research inclusion are widely variable. Despite several classifications and algorithms, none is broadly endorsed. The objective of this investigation was to develop and trial a novel classification system designed to enhance clinical communication, treatment planning, prognostication, and research. Methods This is a retrospective cross-sectional study. A classification system was developed with five elements: micrognathia, nutrition, airway, palate, syndrome/comorbidities (MicroNAPS). Definitions and a framework for "stage" assignment (R0-R4) were constructed. Stage "tongue-based airway obstruction" (TBAO) was defined for infants with glossoptosis and UAO without micrognathia. MicroNAPS was applied to 100 infants with at least 1-year follow-up. Clinical course, treatment, airway, and feeding characteristics were assessed. Descriptive and analytic statistics were calculated and a P value less than 0.05 was considered significant. Results Of the 100 infants, 53 were male. Mean follow-up was 5.0 ± 3.6 years. R1 demonstrated feeding-predominant mild RS for which UAO was managed nonoperatively but gastrostomy tubes were prevalent. R2 was characterized by airway-predominant moderate RS, typically managed with mandibular distraction or tongue-lip adhesion, with few gastrostomy tubes and short lengths-of-stay. R3 denoted severe RS, with similar UAO treatment to R2, but with more surgical feeding tubes and longer admissions. R4 represented a complex phenotype with 33% tracheostomies, protracted hospitalizations, and delayed palatoplasty. R0 ("at risk") and TBAO groups displayed the most variability. Conclusions MicroNAPS is easy to use and associated with relevant disease characteristics. We propose its adoption in clinical and research settings.
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Affiliation(s)
- Cory M. Resnick
- From the Department of Oral and Maxillofacial Surgery, Harvard Medical School, Boston, Mass
- Department of Plastic and Oral Surgery, Boston Children’s Hospital, Boston, Mass
| | - Eliot Katz
- Department of Pediatrics, Harvard Medical School, Boston, Mass
- Department of Pulmonary-Sleep Medicine, Boston Children’s Hospital, Boston, Mass
| | - Alistair Varidel
- Department of Plastic and Oral Surgery, Boston Children’s Hospital, Boston, Mass
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Parikh SR, Boudewyns A, Friedman NR, Schwartz SR, Baldassari CM, Benedek P, Carr MM, Chan DK, Chan KC, Cheng AT, Couloigner V, Diala OR, DeRowe A, El-Hakim H, Fayoux P, Hsu WC, Ishman S, Kirkham EM, Mitchell RB, Thevasagayam R, Lam D. International Pediatric Otolaryngology Group (IPOG) consensus on scoring of pediatric Drug Induced Sleep Endoscopy (DISE). Int J Pediatr Otorhinolaryngol 2023; 171:111627. [PMID: 37441992 DOI: 10.1016/j.ijporl.2023.111627] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 05/10/2023] [Accepted: 06/05/2023] [Indexed: 07/15/2023]
Abstract
OBJECTIVES To develop consensus statements for the scoring of pediatric drug induced sleep endoscopy in the diagnosis and management of pediatric obstructive sleep apnea. METHODS The leadership group identified experts based on defined criteria and invited 18 panelists to participate in the consensus statement development group. A modified Delphi process was used to formally quantify consensus from opinion. A modified Delphi priori process was established, which included a literature review, submission of statements by panelists, and an iterative process of voting to determine consensus. Voting was based on a 9-point Likert scale. Statements achieving a mean score greater than 7 with one or fewer outliers were defined as reaching consensus. Statements achieving a mean score greater than 6.5 with two or fewer outliers were defined as near consensus. Statements with lower scores or more outliers were defined as no consensus. RESULTS A total of 78 consensus statements were evaluated by the panelists at the first survey - 49 achieved consensus, 18 achieved near consensus, and 11 did not achieve consensus. In the second survey, 16 statements reached consensus and 5 reached near consensus. Regarding scoring, consensus was achieved on the utilization of a 3-point Likert scale for each anatomic site for maximal observed obstructions of <50% (Score 0, no-obstruction), ≥ 50% but <90% (Score 2, partial obstruction), and ≥ 90% (Score 3, complete obstruction). Anatomic sites to be scored during DISE that reached consensus or near-consensus were the nasal passages, adenoid pad, velum, lateral pharyngeal walls, tonsils (if present), tongue base, epiglottis, and arytenoids. CONCLUSION This study developed consensus statements on the scoring of DISE in pediatric otolaryngology using a modified Delphi process. The use of a priori process, literature review, and iterative voting method allowed for the formal quantification of consensus from expert opinion. The results of this study may provide guidance for standardizing scoring of DISE in pediatric patients.
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Affiliation(s)
- Sanjay R Parikh
- Department of Otolaryngology, University of Washington, Seattle Children's Hospital, USA.
| | - An Boudewyns
- Department of Otolaryngology, Antwerp University Hospital, University of Antwerp, Belgium
| | - Norman R Friedman
- Department of Otolaryngology, University of Colorado, Children's Hospital Colorado, USA
| | - Seth Roslow Schwartz
- Department of Otolaryngology, University of Washington, Virginia Mason Hospital, Seattle, USA
| | - Cristina M Baldassari
- Department of Otolaryngology, Eastern Virginia Medical School, Children's Hospital of The King's Daughters, USA
| | - Palma Benedek
- Department of Otolaryngology, Heim Pal National Pediatric Institute, Hungary
| | - Michele M Carr
- Department of Otolaryngology, Jacobs School of Medicine and Biomedical Sciences at the University at Buffalo, USA
| | - Dylan K Chan
- Department of Otolaryngology-Head and Neck Surgery, University of California, San Francisco, USA
| | - Kate C Chan
- Department of Paediatrics, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Alan T Cheng
- Department of Otolaryngology, The University of Sydney, The Children's Hospital at Westmead, Australia
| | - Vincent Couloigner
- Department of Otolaryngology, Hôpital Necker-Enfants Malades, Université Paris Cité, France
| | - Obinna R Diala
- Department of Otolaryngology, University of Colorado, Children's Hospital Colorado, USA
| | - Ari DeRowe
- Department of Otolaryngology Head and Neck and Maxillofacial Surgery, Tel-Aviv Sourasky Medical Center, Dana-Dwek Children's Hospital, Israel
| | - Hamdy El-Hakim
- Department of Otolaryngology, University of Alberta, Stollery Children's Hospital, Canada
| | - Pierre Fayoux
- Pediatric Otolaryngology - Head Neck Surgery, Jeanne de Flandre Hospital, CHU Lille, France
| | - Wei-Chung Hsu
- Department of Otolaryngology, National Taiwan University Hospital and Children's Hospital, Taiwan
| | - Stacey Ishman
- Department of Otolaryngology - Head and Neck Surgery, University of Cincinnati College of Medicine, Cincinnati, USA
| | - Erin M Kirkham
- Department of Otolaryngology, University of Michigan, Mott Children's Hospital, USA
| | - Ron B Mitchell
- Department of Otolaryngology, University of Texas, Southwestern Medical Center, Children's Medical Center Dallas, USA
| | - Ravi Thevasagayam
- Department of Otolaryngology, Sheffield Children's Hospital, United Kingdom
| | - Derek Lam
- Department of Otolaryngology, Oregon Health and Science University, USA
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Chang JL, Goldberg AN, Alt JA, Alzoubaidi M, Ashbrook L, Auckley D, Ayappa I, Bakhtiar H, Barrera JE, Bartley BL, Billings ME, Boon MS, Bosschieter P, Braverman I, Brodie K, Cabrera-Muffly C, Caesar R, Cahali MB, Cai Y, Cao M, Capasso R, Caples SM, Chahine LM, Chang CP, Chang KW, Chaudhary N, Cheong CSJ, Chowdhuri S, Cistulli PA, Claman D, Collen J, Coughlin KC, Creamer J, Davis EM, Dupuy-McCauley KL, Durr ML, Dutt M, Ali ME, Elkassabany NM, Epstein LJ, Fiala JA, Freedman N, Gill K, Boyd Gillespie M, Golisch L, Gooneratne N, Gottlieb DJ, Green KK, Gulati A, Gurubhagavatula I, Hayward N, Hoff PT, Hoffmann OM, Holfinger SJ, Hsia J, Huntley C, Huoh KC, Huyett P, Inala S, Ishman SL, Jella TK, Jobanputra AM, Johnson AP, Junna MR, Kado JT, Kaffenberger TM, Kapur VK, Kezirian EJ, Khan M, Kirsch DB, Kominsky A, Kryger M, Krystal AD, Kushida CA, Kuzniar TJ, Lam DJ, Lettieri CJ, Lim DC, Lin HC, Liu SY, MacKay SG, Magalang UJ, Malhotra A, Mansukhani MP, Maurer JT, May AM, Mitchell RB, Mokhlesi B, Mullins AE, Nada EM, Naik S, Nokes B, Olson MD, Pack AI, Pang EB, Pang KP, Patil SP, Van de Perck E, Piccirillo JF, Pien GW, Piper AJ, Plawecki A, Quigg M, Ravesloot MJ, Redline S, Rotenberg BW, Ryden A, Sarmiento KF, Sbeih F, Schell AE, Schmickl CN, Schotland HM, Schwab RJ, Seo J, Shah N, Shelgikar AV, Shochat I, Soose RJ, Steele TO, Stephens E, Stepnowsky C, Strohl KP, Sutherland K, Suurna MV, Thaler E, Thapa S, Vanderveken OM, de Vries N, Weaver EM, Weir ID, Wolfe LF, Tucker Woodson B, Won CH, Xu J, Yalamanchi P, Yaremchuk K, Yeghiazarians Y, Yu JL, Zeidler M, Rosen IM. International Consensus Statement on Obstructive Sleep Apnea. Int Forum Allergy Rhinol 2023; 13:1061-1482. [PMID: 36068685 PMCID: PMC10359192 DOI: 10.1002/alr.23079] [Citation(s) in RCA: 55] [Impact Index Per Article: 55.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 08/12/2022] [Accepted: 08/18/2022] [Indexed: 11/08/2022]
Abstract
BACKGROUND Evaluation and interpretation of the literature on obstructive sleep apnea (OSA) allows for consolidation and determination of the key factors important for clinical management of the adult OSA patient. Toward this goal, an international collaborative of multidisciplinary experts in sleep apnea evaluation and treatment have produced the International Consensus statement on Obstructive Sleep Apnea (ICS:OSA). METHODS Using previously defined methodology, focal topics in OSA were assigned as literature review (LR), evidence-based review (EBR), or evidence-based review with recommendations (EBR-R) formats. Each topic incorporated the available and relevant evidence which was summarized and graded on study quality. Each topic and section underwent iterative review and the ICS:OSA was created and reviewed by all authors for consensus. RESULTS The ICS:OSA addresses OSA syndrome definitions, pathophysiology, epidemiology, risk factors for disease, screening methods, diagnostic testing types, multiple treatment modalities, and effects of OSA treatment on multiple OSA-associated comorbidities. Specific focus on outcomes with positive airway pressure (PAP) and surgical treatments were evaluated. CONCLUSION This review of the literature consolidates the available knowledge and identifies the limitations of the current evidence on OSA. This effort aims to create a resource for OSA evidence-based practice and identify future research needs. Knowledge gaps and research opportunities include improving the metrics of OSA disease, determining the optimal OSA screening paradigms, developing strategies for PAP adherence and longitudinal care, enhancing selection of PAP alternatives and surgery, understanding health risk outcomes, and translating evidence into individualized approaches to therapy.
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Affiliation(s)
- Jolie L. Chang
- University of California, San Francisco, California, USA
| | | | | | | | - Liza Ashbrook
- University of California, San Francisco, California, USA
| | | | - Indu Ayappa
- Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | | | | | | | | | - Maurits S. Boon
- Sidney Kimmel Medical Center at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Pien Bosschieter
- Academic Centre for Dentistry Amsterdam, Amsterdam, The Netherlands
| | - Itzhak Braverman
- Hillel Yaffe Medical Center, Hadera Technion, Faculty of Medicine, Hadera, Israel
| | - Kara Brodie
- University of California, San Francisco, California, USA
| | | | - Ray Caesar
- Stone Oak Orthodontics, San Antonio, Texas, USA
| | | | - Yi Cai
- University of California, San Francisco, California, USA
| | | | | | | | | | | | | | | | | | - Susmita Chowdhuri
- Wayne State University and John D. Dingell VA Medical Center, Detroit, Michigan, USA
| | - Peter A. Cistulli
- Faculty of Medicine and Health, University of Sydney, Sydney, Australia
| | - David Claman
- University of California, San Francisco, California, USA
| | - Jacob Collen
- Uniformed Services University, Bethesda, Maryland, USA
| | | | | | - Eric M. Davis
- University of Virginia, Charlottesville, Virginia, USA
| | | | | | - Mohan Dutt
- University of Michigan, Ann Arbor, Michigan, USA
| | - Mazen El Ali
- University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | | | | | | | | | - Kirat Gill
- Stanford University, Palo Alto, California, USA
| | | | - Lea Golisch
- University Hospital Mannheim, Ruprecht-Karls-University Heidelberg, Heidelberg, Germany
| | | | | | | | - Arushi Gulati
- University of California, San Francisco, California, USA
| | | | | | - Paul T. Hoff
- University of Michigan, Ann Arbor, Michigan, USA
| | - Oliver M.G. Hoffmann
- University Hospital Mannheim, Ruprecht-Karls-University Heidelberg, Heidelberg, Germany
| | | | - Jennifer Hsia
- University of Minnesota, Minneapolis, Minnesota, USA
| | - Colin Huntley
- Sidney Kimmel Medical Center at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | | | | | - Sanjana Inala
- Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | | | | | | | | | | | | | | | | | | | - Meena Khan
- Ohio State University, Columbus, Ohio, USA
| | | | - Alan Kominsky
- Cleveland Clinic Head and Neck Institute, Cleveland, Ohio, USA
| | - Meir Kryger
- Yale School of Medicine, New Haven, Connecticut, USA
| | | | | | | | - Derek J. Lam
- Oregon Health and Science University, Portland, Oregon, USA
| | | | | | | | | | | | | | - Atul Malhotra
- University of California, San Diego, California, USA
| | | | - Joachim T. Maurer
- University Hospital Mannheim, Ruprecht-Karls-University Heidelberg, Heidelberg, Germany
| | - Anna M. May
- Case Western Reserve University, Cleveland, Ohio, USA
| | - Ron B. Mitchell
- University of Texas, Southwestern and Children’s Medical Center Dallas, Texas, USA
| | | | | | | | | | - Brandon Nokes
- University of California, San Diego, California, USA
| | | | - Allan I. Pack
- University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | | | | | | | | | | | | | | | | | - Mark Quigg
- University of Virginia, Charlottesville, Virginia, USA
| | | | - Susan Redline
- Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | | | - Armand Ryden
- Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, California, USA
| | | | - Firas Sbeih
- Cleveland Clinic Head and Neck Institute, Cleveland, Ohio, USA
| | | | | | | | | | - Jiyeon Seo
- University of California, Los Angeles, California, USA
| | - Neomi Shah
- Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | | | | | - Ryan J. Soose
- University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | | | - Erika Stephens
- University of California, San Francisco, California, USA
| | | | | | | | | | - Erica Thaler
- University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Sritika Thapa
- Yale School of Medicine, New Haven, Connecticut, USA
| | | | - Nico de Vries
- Academic Centre for Dentistry Amsterdam, Amsterdam, The Netherlands
| | | | - Ian D. Weir
- Yale School of Medicine, New Haven, Connecticut, USA
| | | | | | | | - Josie Xu
- University of Toronto, Ontario, Canada
| | | | | | | | | | | | - Ilene M. Rosen
- University of Pennsylvania, Philadelphia, Pennsylvania, USA
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11
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Vlad AM, Stefanescu CD, Stefan I, Zainea V, Hainarosie R. Comparative Efficacy of Velopharyngeal Surgery Techniques for Obstructive Sleep Apnea: A Systematic Review. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1147. [PMID: 37374351 DOI: 10.3390/medicina59061147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 05/31/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023]
Abstract
Background: In recent years, surgical interventions for obstructive sleep apnea (OSA) have evolved rapidly, with numerous techniques described in the literature. The approach to velopharyngeal surgery for obstructive sleep apnea has transformed over time, shifting from an aggressive removal of redundant excess soft tissue to less invasive reconstruction techniques that aim to preserve pharyngeal function while effectively managing sleep apnea. This review aims to evaluate and compare the efficacy of the surgical techniques utilized for OSA at the level of the palate and pharynx. It will cover both traditional and novel procedures. Methods: A comprehensive search of the major databases, such as PubMed/MEDLINE, Web of Science, and Scopus, was conducted to identify the relevant literature. We included articles written in English that analyzed the outcomes of adult patients who received velopharyngeal surgery for sleep apnea. Only comparative studies that examined at least two techniques were considered. Results: In all of the studies combined, the total number of patients who underwent velopharyngeal surgery was 614 in eight studies. All surgical procedures resulted in improvements in the apnea-hypopnea index (AHI). The highest success rates and best outcomes were achieved by barbed reposition pharyngoplasty (BRP) in most studies, ranging from 64.29% to 86.6%. BRP also demonstrated the most significant improvements in both objective and subjective parameters closely followed by ESP that obtained similar efficiency in some studies, especially when combined with anterior palatoplasty (AP), but with a higher incidence of complications. While LP showed moderate efficiency compared with BRP or ESP, the UPPP techniques exhibited greater outcome variability among studies, with a success rate ranging from 38.71% to 59.26%, and the best results observed in a multilevel context. Conclusions: In our review, BRP was the most preferred, effective, and safe among all velopharyngeal techniques, closely followed by ESP. However, older described techniques also showed good results in well-selected patients. Larger-scale studies, preferably prospective, that rigorously incorporate DISE-based strict inclusion criteria might be needed to assess the efficacy of different techniques and generalize the findings.
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Affiliation(s)
- Ana Maria Vlad
- "Prof. Dr. Dorin Hociota" Institute of Phonoaudiology and Functional ENT Surgery, 21st Mihail Cioranu Street, 061344 Bucharest, Romania
- ENT Department, Faculty of Medicine, "Carol Davila" University of Medicine and Pharmacy, 030167 Bucharest, Romania
| | - Cristian Dragos Stefanescu
- "Prof. Dr. Dorin Hociota" Institute of Phonoaudiology and Functional ENT Surgery, 21st Mihail Cioranu Street, 061344 Bucharest, Romania
- ENT Department, Faculty of Medicine, "Carol Davila" University of Medicine and Pharmacy, 030167 Bucharest, Romania
| | - Iemima Stefan
- ENT Department, Faculty of Medicine, "Carol Davila" University of Medicine and Pharmacy, 030167 Bucharest, Romania
- Medical Center of Special Telecommunications Service, 060044 Bucharest, Romania
| | - Viorel Zainea
- "Prof. Dr. Dorin Hociota" Institute of Phonoaudiology and Functional ENT Surgery, 21st Mihail Cioranu Street, 061344 Bucharest, Romania
- ENT Department, Faculty of Medicine, "Carol Davila" University of Medicine and Pharmacy, 030167 Bucharest, Romania
| | - Razvan Hainarosie
- "Prof. Dr. Dorin Hociota" Institute of Phonoaudiology and Functional ENT Surgery, 21st Mihail Cioranu Street, 061344 Bucharest, Romania
- ENT Department, Faculty of Medicine, "Carol Davila" University of Medicine and Pharmacy, 030167 Bucharest, Romania
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12
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Ishman SL, Maturo S, Schwartz S, McKenna M, Baldassari CM, Bergeron M, Chernobilsky B, Ehsan Z, Gagnon L, Liu YCC, Smith DF, Stanley J, Zalzal H, Dhepyasuwan N. Expert Consensus Statement: Management of Pediatric Persistent Obstructive Sleep Apnea After Adenotonsillectomy. Otolaryngol Head Neck Surg 2023; 168:115-130. [PMID: 36757810 PMCID: PMC10105630 DOI: 10.1002/ohn.159] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 08/03/2022] [Accepted: 08/13/2022] [Indexed: 01/27/2023]
Abstract
OBJECTIVE To develop an expert consensus statement regarding persistent pediatric obstructive sleep apnea (OSA) focused on quality improvement and clarification of controversies. Persistent OSA was defined as OSA after adenotonsillectomy or OSA after tonsillectomy when adenoids are not enlarged. METHODS An expert panel of clinicians, nominated by stakeholder organizations, used the published consensus statement methodology from the American Academy of Otolaryngology-Head and Neck Surgery to develop statements for a target population of children aged 2-18 years. A medical librarian systematically searched the literature used as a basis for the clinical statements. A modified Delphi method was used to distill expert opinion and compose statements that met a standardized definition of consensus. Duplicate statements were combined prior to the final Delphi survey. RESULTS After 3 iterative Delphi surveys, 34 statements met the criteria for consensus, while 18 statements did not. The clinical statements were grouped into 7 categories: general, patient assessment, management of patients with obesity, medical management, drug-induced sleep endoscopy, surgical management, and postoperative care. CONCLUSION The panel reached a consensus for 34 statements related to the assessment, management and postoperative care of children with persistent OSA. These statements can be used to establish care algorithms, improve clinical care, and identify areas that would benefit from future research.
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Affiliation(s)
- Stacey L. Ishman
- University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Stephen Maturo
- Walter Reed National Military Medical Center, Bethesda, Maryland, USA
| | - Seth Schwartz
- Virginia Mason Medical Center, Seattle, Washington, USA
| | - Margo McKenna
- University of Rochester Medical Center/Golisano Children’s Hospital, Rochester, New York, USA
| | - Cristina M. Baldassari
- Eastern Virginia Medical School/Children’s Hospital of the King’s Daughter, Norfolk, Virginia, USA
| | - Mathieu Bergeron
- Sainte-Justine Hospital, University of Montreal, Montreal, Quebec, Canada
| | | | - Zarmina Ehsan
- University of Missouri—Kansas City, Kansas City, Missouri, USA
| | - Lisa Gagnon
- Yale University/Connecticut Pediatric Otolaryngology, New Haven, Connecticut, USA
| | - Yi-Chun Carol Liu
- Baylor College of Medicine/Texas Children’s Hospital, Houston, Texas, USA
| | - David F. Smith
- Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
| | - Jeffrey Stanley
- University of Michigan Health/Michigan Medicine, Ann Arbor, Michigan, USA
| | - Habib Zalzal
- Children’s National Health System, Washington, District of Columbia, USA
| | - Nui Dhepyasuwan
- American Academy of Otolaryngology—Head and Neck Surgery Foundation, Alexandria, Virginia, USA
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13
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Kirkham EM. Pediatric Drug-Induced Sleep Endoscopy. Otolaryngol Clin North Am 2022; 55:1165-1180. [DOI: 10.1016/j.otc.2022.07.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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14
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Surgical Treatment Options for Epiglottic Collapse in Adult Obstructive Sleep Apnoea: A Systematic Review. LIFE (BASEL, SWITZERLAND) 2022; 12:life12111845. [PMID: 36430980 PMCID: PMC9698204 DOI: 10.3390/life12111845] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 11/06/2022] [Accepted: 11/09/2022] [Indexed: 11/16/2022]
Abstract
The critical role of epiglottis in airway narrowing contributing to obstructive sleep apnoea (OSA) and continuous positive airway pressure (CPAP) intolerance has recently been revealed. This systematic review was conducted to evaluate available surgical treatment options for epiglottic collapse in adult patients with OSA. The Pubmed and Scopus databases were searched for relevant articles up to and including March 2022 and sixteen studies were selected. Overall, six different surgical techniques were described, including partial epiglottectomy, epiglottis stiffening operation, glossoepiglottopexy, supraglottoplasty, transoral robotic surgery, maxillomandibular advancement and hypoglossal nerve stimulation. All surgical methods were reported to be safe and effective in managing selected OSA patients with airway narrowing at the level of epiglottis. The surgical management of epiglottic collapse can improve OSA severity or even cure OSA, but can also improve CPAP compliance. The selection of the appropriate surgical technique should be part of an individualised, patient-specific therapeutic approach. However, there are not enough data to make definitive conclusions and additional high-quality studies are required.
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15
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DeJarnette K, Frederick RM, Harris AJ, Bashir A, Wood J, Sheyn A. Use of VOTE score in predicting outcomes in pediatric obstructive sleep apnea. Int J Pediatr Otorhinolaryngol 2022; 162:111256. [PMID: 35994833 DOI: 10.1016/j.ijporl.2022.111256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 06/18/2022] [Accepted: 07/23/2022] [Indexed: 11/25/2022]
Abstract
OBJECTIVES Obstructive Sleep Apnea (OSA) affects 1-4% of the pediatric population in the U.S. Drug-Induced Sleep Endoscopy (DISE) is widely used to localize the level(s) of obstruction. The VOTE classification system is used to grade obstructions found at the velum, oropharynx, base of tongue, and epiglottis and has been validated in adults. This study aims to determine if the VOTE score has any predictive value in pediatric OSA postoperative outcomes. METHODS A retrospective chart review of 129 patients from January 7, 2016 to 05/30/2020 was performed. Included patients were between the ages of 2 and 17, undergoing DISE, and if they had preoperative and postoperative polysomnography (PSG) data. Excluded patients did not meet one of the above or had other comorbidities contributing to their sleep apnea. 53 patients were included. RESULTS Pearson's Correlation tests compared intraoperative VOTE score to postoperative BMI, AHI, and O2 nadir and their relationships. We found a weakly positive correlation between the VOTE and postoperative AHI with a coefficient of 0.35 and a p-value of 0.01. We found a relationship between postoperative O2 nadir and AHI, with a coefficient of -0.627 and a p-value <0.0001. Finally, a paired, two-tailed t-test compared the mean change between preoperative and postoperative BMIs (+1.6), oAHIs (-23.5), and O2 nadirs (+14), all with p-value <0.0001. CONCLUSION We demonstrated a correlation between VOTE and improved postoperative AHI and a relationship between improved postoperative AHI and postoperative O2 nadir. The validity of VOTE may be proven with larger sample size. Alternatively, a different scoring system may be required for pediatric OSA.
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Affiliation(s)
- Kaci DeJarnette
- University of Tennessee Health Science Center College of Medicine, 910 Madison Ave Ste. 1031, Memphis, TN, 38163, USA
| | - Robert M Frederick
- University of Tennessee Health Science Center College of Medicine, 910 Madison Ave Ste. 1031, Memphis, TN, 38163, USA
| | - Atia J Harris
- Division of Pulmonology and Sleep Medicine, Le Bonheur Children's Hospital, 848 Adams Avenue Memphis, TN, 38103, USA
| | - Ahsan Bashir
- Division of Pulmonology and Sleep Medicine, Le Bonheur Children's Hospital, 848 Adams Avenue Memphis, TN, 38103, USA
| | - Joshua Wood
- Department of Pediatric Otolaryngology, Le Bonheur Children's Hospital, 848 Adams Avenue Memphis, TN, 38103, USA; University of Tennessee Health Science Center Department of Otolaryngology, 910 Madison Ave Ste. 430, Memphis, TN, 38163, USA
| | - Anthony Sheyn
- Department of Pediatric Otolaryngology, Le Bonheur Children's Hospital, 848 Adams Avenue Memphis, TN, 38103, USA; University of Tennessee Health Science Center Department of Otolaryngology, 910 Madison Ave Ste. 430, Memphis, TN, 38163, USA.
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16
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Williamson A, Fang W, Kabalan MJ, Zalzal HG, Coutras SW, Carr MM. Reliability of a pediatric sleep endoscopy scoring system. Int J Pediatr Otorhinolaryngol 2022; 162:111284. [PMID: 36049276 DOI: 10.1016/j.ijporl.2022.111284] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 07/17/2022] [Accepted: 08/11/2022] [Indexed: 10/31/2022]
Abstract
INTRODUCTION The surgical management of Obstructive Sleep Apnea (OSA) may be guided by Drug Induced Sleep Endoscopy (DISE), but there is no universally accepted scoring system for DISE in children. The purpose of this study is to compare a novel system to the more commonly used VOTE (Velum, Oropharynx, Tongue base, Epiglottis) system. METHODS A total of thirty pediatric DISE videos were reviewed and scored twice by 5 raters with a range of experience levels. The videos were scored using both the VOTE and the new scoring systems. The raters were also asked to recommend surgical intervention based on the DISE exam alone. Intra-rater test-retest analysis of the responses was conducted using weighted kappa (WK) statistic and percentage agreement (PA), respectively. Inter-rater reliability analysis of responses was evaluated using Krippendorff's alpha reliability coefficient (KA). Using a proportional odds model, a comparison of the weighted kappa statistic for the VOTE and the novel scoring systems was conducted. RESULTS For the novel scoring system, the intra-rater test-retest WK coefficient was 0.62 and 0.87 and the PA was 64% and 82% at the 25th and 75th percentiles, respectively. For the VOTE system, the intra-rater test-retest WK coefficient was 0.50 and 1.00 and PA was 75% and 100% at the 25th and 75th percentiles, respectively. KA was 0.36 and 0.77 at the 25th and 75th percentiles. In addition, responses to the surgical intervention survey analysis yielded a test-retest WK coefficient of 0.40 and 1.00 and a PA 71%-100% at the 25th and 75th percentiles, respectively. KA was 0.40 and 0.61 at the 25th and 75th percentiles, respectively. There was no significant difference between the 2 scoring systems on the WK statistic (p = .15), but significant difference on PA (p = .01). CONCLUSION Our novel scoring system demonstrated intra-rater test-retest and inter-rater reliability similar to the VOTE system, includes more sites of potential airway obstruction, and has potential for widespread use.
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Affiliation(s)
- Adrian Williamson
- Department of Otolaryngology-Head and Neck Surgery, West Virginia University, Morgantown, WV, USA
| | - Wei Fang
- West Virginia Clinical and Translational Science Institute, West Virginia University Health Sciences Center Erma Byrd Biomedical Research Center, Morgantown, WV, USA
| | - Matthew J Kabalan
- Department of Otolaryngology-Head and Neck Surgery, Jacobs School of Medicine and Biomedical Sciences at the University at Buffalo, Buffalo, NY, USA
| | - Habib G Zalzal
- Department of Otolaryngology, Children's National Hospital, Washington, DC, USA
| | - Steven W Coutras
- Department of Otolaryngology-Head and Neck Surgery, West Virginia University, Morgantown, WV, USA
| | - Michele M Carr
- Department of Otolaryngology-Head and Neck Surgery, Jacobs School of Medicine and Biomedical Sciences at the University at Buffalo, Buffalo, NY, USA.
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17
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Bastier PL, Gallet de Santerre O, Bartier S, De Jong A, Trzepizur W, Nouette-Gaulain K, Bironneau V, Blumen M, Chabolle F, de Bonnecaze G, Dufour X, Ameline E, Kérimian M, Latournerie V, Monteyrol PJ, Thiery A, Tronche S, Vergez S, Bequignon E. Guidelines of the French Society of ENT (SFORL): Drug-induced sleep endoscopy in adult obstructive sleep apnea syndrome. Eur Ann Otorhinolaryngol Head Neck Dis 2022; 139:216-225. [PMID: 35871981 DOI: 10.1016/j.anorl.2022.05.003] [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] [Indexed: 11/25/2022]
Abstract
OBJECTIVES To determine the indications, anesthesiological and surgical procedure and interest of drug-induced sleep endoscopy in the treatment of adult obstructive sleep apnea syndrome. DESIGN A redactional committee of 17 experts was set up. Conflicts of interest were disclosed and followed up throughout the process of drawing up the guidelines. The work received no funding from any firm dealing in health products (drugs or devices). The GRADE (Grading of Recommendations Assessment, Development and Evaluation) method was applied to assess the quality of the data on which the guidelines were founded. It was stressed that strong recommendations should not be made on the basis of poor-quality or insufficient data. METHODS The committee studied 29 questions on 5 topics: indications and contraindications, anesthetic technique, surgical technique, interpretation and reporting of results, and management guided by results. RESULTS Expert review and application of the GRADE method led to 30 guidelines: 10 with high level of evidence (Grade 1+ or 1-), 19 with low level (GRADE 2+ or 2-) and 1 expert opinion. CONCLUSION Experts fully agreed on the strong guidelines formalizing the indications and modalities of drug-induced sleep endoscopy for adult obstructive sleep apnea syndrome.
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Affiliation(s)
- P-L Bastier
- Pôle Tête et Cou, Maison de Santé Protestante de Bordeaux-Bagatelle, 203, route de Toulouse, 33401 Talence, France
| | | | - S Bartier
- Service d'ORL et de Chirurgie Cervico-Faciale, Hôpital Henri-Mondor, 1, rue Gustave-Eiffel, 94000 Créteil, France
| | - A De Jong
- Département d'Anesthésie-Réanimation Saint-Éloi, Hôpital Saint-Éloi, 80, avenue Augustin-Fliche, 34090 Montpellier, France
| | - W Trzepizur
- Département de Pneumologie et de Médecine du Sommeil, CHU d'Angers, 4, rue Larrey, 49100 Angers, France
| | - K Nouette-Gaulain
- Service d'Anesthésie-Réanimation, Hôpital Pellegrin, CHU Bordeaux, place Amélie-Raba-Léon, 33700 Bordeaux, France
| | - V Bironneau
- Service de Pneumologie, CHU de Poitiers, 2, rue de la Milétrie, 86021 Poitiers, France
| | - M Blumen
- Centre Médical Veille Sommeil, 59, avenue de Villiers, 75017 Paris, France; Service d'ORL, Hôpital Foch, 40, rue Worth, 92140 Suresnes, France
| | - F Chabolle
- Cabinet d'ORL, 20, rue Parmentier, 92200 Neuilly-sur-Seine, France
| | - G de Bonnecaze
- Service d'ORL et Chirurgie Cervico-Faciale, Hôpital Larrey, 24, chemin de Pouvourville, 31059 Toulouse, France
| | - X Dufour
- Service d'ORL et Chirurgie Cervico-faciale, CHU de Poitiers, 2, rue de la Milétrie, 86000 Poitiers, France
| | - E Ameline
- Cabinet d'ORL, 1, rue des Iris, 41260 La Chaussée-Saint-Victor, France
| | - M Kérimian
- Service d'ORL et de Chirurgie Cervico-Faciale, Hôpital Pellegrin, CHU Bordeaux, place Amélie-Raba-Léon, 33700 Bordeaux, France
| | - V Latournerie
- Service d'ORL, Centre Hospitalier Intercommunal de Créteil, 40, avenue de Verdun, 94000 Créteil, France
| | - P-J Monteyrol
- Nouvelle Clinique Bordeaux Tondu, avenue Jean-Alfonséa, 33270 Floirac, France
| | - A Thiery
- Service d'ORL, Centre Hospitalier Intercommunal de Créteil, 40, avenue de Verdun, 94000 Créteil, France
| | - S Tronche
- SFORL, 26, rue Lalo, 75016 Paris, France
| | - S Vergez
- Service d'ORL et Chirurgie Cervico-Faciale, Hôpital Larrey, 24, chemin de Pouvourville, 31059 Toulouse, France
| | - E Bequignon
- Service d'ORL, Centre Hospitalier Intercommunal de Créteil, 40, avenue de Verdun, 94000 Créteil, France.
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18
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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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19
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Zhang J, Cao X, Yin G, Xu J, Zhu M, Zhang Y, Xiao S, Ye J. The significance of better utilization of patients' preoperative information in predicting outcomes of velopharyngeal surgery: a prospective cohort study. J Clin Sleep Med 2022; 18:843-850. [PMID: 34710037 PMCID: PMC8883082 DOI: 10.5664/jcsm.9734] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
STUDY OBJECTIVES To compare the efficiency of a TCM scoring system that includes 3 independent predictors obtained by physical examination, computed tomography, and polysomnography with the standard Friedman staging system that includes only physical examination variables for predicting surgical outcomes in patients with obstructive sleep apnea syndrome who undergo velopharyngeal surgery. METHODS This prospective study was carried out in 265 patients with obstructive sleep apnea syndrome who underwent velopharyngeal surgery. All these patients were re-examined with polysomnography for evaluation of surgical outcomes at least 3 months after surgery. The efficacies in the surgical outcome prediction of 2 systems were calculated and compared. RESULTS The overall response rate and cure rate was 63.8% (169/265) and 22.3% (59/265), respectively. There were 32 patients with Friedman stage I, with a response rate and cure rate of 81.3% (26/32) and 28.1% (9/32), respectively, and 70 patients with TCM scores of < 14 with a response rate and cure rate of 91.4% (64/70) and 42.9% (30/70), respectively. Friedman stage and TCM grade were the only 2 factors independently predictive of surgical response (P < .05, odds ratio value = 0.642 and 0.382). The receiver operating characteristic curve analysis for surgical response showed that the area under the curve value was 0.600 for Friedman stage, which was significantly lower than that for TCM grade, 0.718 (P = .005). Apnea-hypopnea index and TCM grade were the only 2 factors independently predictive of surgical cure (P < .05, odds ratio value = 0.981 and 0.465). CONCLUSIONS Compared with the Friedman staging system, the TCM scoring system was more efficient in selecting proper candidates for velopharyngeal surgery. The main reason may be its better utilization of patients' preoperative information, especially the inclusion of physiological factors. CLINICAL TRIAL REGISTRATION Registry: Chinese Clinical Trials Register; Name: Clinical Phenotypes and Precise Treatment of Adult OSA (Obstructive Sleep Apnea): A Multicenter Study; URL: http://www.ChiCTR.org.cn/showproj.aspx?proj=21189; Identifier: ChiCTR-ONC-17013132. CITATION Zhang J, Cao X, Yin G, et al. The significance of better utilization of patients' preoperative information in predicting outcomes of velopharyngeal surgery: a prospective cohort study. J Clin Sleep Med. 2022;18(3):843-850.
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Affiliation(s)
- Junbo Zhang
- Department of Otolaryngology, Head and Neck Surgery, Peking University First Hospital, Beijing, China
| | - Xin Cao
- Department of Otolaryngology, Head and Neck Surgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Guoping Yin
- Department of Otolaryngology, Head and Neck Surgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Jinkun Xu
- Department of Otolaryngology, Head and Neck Surgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Mei Zhu
- Department of Otolaryngology, Head and Neck Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Yuhuan Zhang
- Department of Otolaryngology, Head and Neck Surgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Shuifang Xiao
- Department of Otolaryngology, Head and Neck Surgery, Peking University First Hospital, Beijing, China,Address correspondence to: Jingying Ye, MD, Department of Otolaryngology, Head and Neck Surgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Litang Road 168#, Changping District, Beijing, 102218, China; and Shuifang Xiao, MD, Department of Otolaryngology, Head and Neck Surgery, Peking University First Hospital, Xishiku Street 8#, Xicheng District, Beijing 100034, China;
| | - Jingying Ye
- Department of Otolaryngology, Head and Neck Surgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China,Address correspondence to: Jingying Ye, MD, Department of Otolaryngology, Head and Neck Surgery, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Litang Road 168#, Changping District, Beijing, 102218, China; and Shuifang Xiao, MD, Department of Otolaryngology, Head and Neck Surgery, Peking University First Hospital, Xishiku Street 8#, Xicheng District, Beijing 100034, China;
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20
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van der Plas PPJM, Joosten KFM, Wolvius EB, Koudstaal MJ, Mathijssen IMJ, van Dooren MF, Pullens B. Mandibular distraction to correct severe non-isolated mandibular hypoplasia: The role of drug-induced sleep endoscopy (DISE) in decision making. Int J Pediatr Otorhinolaryngol 2022; 152:110968. [PMID: 34861552 DOI: 10.1016/j.ijporl.2021.110968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 09/17/2021] [Accepted: 11/08/2021] [Indexed: 11/28/2022]
Abstract
OBJECTIVES In patients with mandibular hypoplasia, mandibular distraction osteogenesis (MDO) aims to relieve tongue-based airway obstruction. Drug-induced sleep endoscopy (DISE) provides a dynamic assessment of the upper airway and visualizes anatomical site and cause of airway obstruction. The aim of this study was to evaluate the effect of MDO on tongue-based airway obstruction found by DISE within a non-isolated patient population with severe upper airway obstruction (UAO). Furthermore, we aimed to assess the additional value of DISE in clinical decision making by correlating DISE findings to functional airway outcomes after MDO. METHODS Findings on DISE in children who underwent MDO were retrospectively gathered and evaluated. According to DISE findings, severity of tongue-based obstruction was scored using a 4-step classification similar to the one that is used by Bravo et al.. Intubation conditions were scored according to the Cormack Lehane score (CLS). Pre-and postoperative DISE findings were compared and correlated with functional airway outcomes following MDO. RESULTS In 19 out of 28 MDO procedures, both a pre-and postoperative DISE was available. Tongue-based obstruction scores improved in 13 procedures, which correlated to a functional improvement in seven. Postoperative tongue-based obstruction differed significantly between patients with successful MDO and patients treated unsuccessfully (2.00 ((Interquartile range (IQR) 1.00-2.00) vs. 3.00 (IQR 2.00-4.00), p = 0.028), whereas this difference was not significant for the CLS (1.00 (IQR 1.00-1.50) vs. 2.00 (IQR 1.00-4.00), p = 0.066). If no improvement of tongue-based obstruction was seen, MDO is very unlikely to be successful on the functional airway. CONCLUSIONS DISE provides information on the site and nature of airway obstruction and can visualize the effect of MDO on the severity of tongue-based airway obstruction. Therefore, it can be of additional value in understanding the differences in functional airway outcomes after MDO and aids in deciding appropriate and targeted treatment. Hence, standardized use of DISE, in addition to the clinical assessment of mandibular position and a polysomnography, during MDO management is highly recommended.
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Affiliation(s)
- Pleun P J M van der Plas
- Department of Oral and Maxillofacial Surgery, Sophia Children's Hospital, Erasmus Medical Center, Rotterdam, the Netherlands.
| | - Koen F M Joosten
- Department of Pediatric Intensive Care, Sophia Children's Hospital, Erasmus Medical Center, Rotterdam, the Netherlands.
| | - Eppo B Wolvius
- Department of Oral and Maxillofacial Surgery, Sophia Children's Hospital, Erasmus Medical Center, Rotterdam, the Netherlands.
| | - Maarten J Koudstaal
- Department of Oral and Maxillofacial Surgery, Sophia Children's Hospital, Erasmus Medical Center, Rotterdam, the Netherlands.
| | - Irene M J Mathijssen
- Department of Plastic and Reconstructive Surgery and Hand Surgery, Sophia Children's Hospital, Erasmus Medical Center, Rotterdam, the Netherlands.
| | - Marieke F van Dooren
- Department of Clinical Genetics, Sophia Children's Hospital, Erasmus Medical Center, Rotterdam, the Netherlands.
| | - Bas Pullens
- Department of Otorhinolaryngology, Sophia Children's Hospital, Erasmus Medical Center, Rotterdam, the Netherlands.
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21
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Williamson A, Coutras SW, Carr MM. Sleep Endoscopy Findings in Children With Obstructive Sleep Apnea and Small Tonsils. Ann Otol Rhinol Laryngol 2021; 131:851-858. [PMID: 34528454 DOI: 10.1177/00034894211045645] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
OBJECTIVE Obstructive Sleep Apnea (OSA) in children is treated primarily with adenotonsillectomy (AT). When clinical exam demonstrates small tonsils, the success of AT in resolving OSA is uncertain. The purpose of this study is to determine the utility of Drug induced Sleep Endoscopy (DISE) for children with OSA and small tonsils (Brodsky scale 1+) and to identify what obstructive trends exist in this subset of patients and to determine the utility of DISE-directed surgical intervention in patients with small tonsils. METHODS A retrospective chart review was performed for patients who underwent DISE at a tertiary care center over a 2-year period. Inclusion criteria were 1+ tonsils and a positive sleep study. Data collected included DISE findings, BMI, comorbid conditions, and pre-op PSG data. RESULTS Forty children were included with a mean age of 5.0 years (range 8 months-16 years). Mean preoperative AHI was 5.46 and mean oxygen saturation nadir was 87.1%. The most common contributor to airway obstruction was the adenoid (29 patients, 72.5%), followed by the tongue base or lingual tonsil (21 patients, 52.5%). The palatine tonsils (10 patients, 25.0%), epiglottis (10.0%), or obstruction intrinsic to the larynx (10.0%) were significantly less frequently identified as contributors to OSA when compared to the adenoid (P < .001). The majority of patients had multilevel obstruction (25 patients, 62.5%). Adenoidectomy (27 patients, 67.5%) was the most commonly performed procedure, followed by tonsillectomy (10 patients, 25.0%, P < .001) and tongue base surgery (9 patient 22.5%, P < .001). CONCLUSION In this group, small palatine tonsils were infrequently identified as a contributor to airway obstruction and tonsillectomy was avoided in most cases. This study illustrates the utility of DISE as a tool to personalize the surgical management of pediatric patients with OSA and small tonsils on physical exam.
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Affiliation(s)
- Adrian Williamson
- Department of Otolaryngology-Head and Neck Surgery, West Virginia University, Morgantown, WV, USA
| | - Steven W Coutras
- Department of Otolaryngology-Head and Neck Surgery, West Virginia University, Morgantown, WV, USA
| | - Michele M Carr
- Department of Otolaryngology-Head Neck Surgery, Jacobs School of Medicine and Biomedical Sciences at the University at Buffalo, Buffalo, NY, USA
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22
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[Mandibular advancement device and multidisciplinary consultation of sleep-disorders]. Rev Mal Respir 2021; 38:807-815. [PMID: 34454816 DOI: 10.1016/j.rmr.2021.05.010] [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: 01/04/2021] [Accepted: 05/20/2021] [Indexed: 11/24/2022]
Abstract
BACKGROUND Multidisciplinary consultation of sleep-disorders can include recommendation of a mandibular advancement device (MAD) for some patients with obstructive sleep apnea syndrome (OSAS). AIM To assess the outcomes of patients for whom an oral MAD was prescribed following multidisciplinary consultation for OSAS in a University Hospital Center. METHODS All patients referred by hospital or community specialist who had visited this specialized service from December 2015 to December 2017 and to whom an MAD was prescribed were included in this study. The objective was to analyze their clinical course after this consultation and to assess the effectiveness of these devices in this population. RESULTS In all, 184 patients were seen by the multidisciplinary consultation between December 2015 and December 2017. An MAD was offered to 148 patients and 70 of these went on to have one. Of these 52 of them received follow-up polygraphy (PG) with it in place. This confirmed effectiveness in 18 cases (decrease of at least 50% of the AHI. The average AHI went from 34.8/hr to 22.5/hr. Sixty-five of the 148 patients were lost to follow-up. CONCLUSION After specialized consultation on sleep-disorders, only one-third of the patients to whom an OA was prescribed had polygraphic exam. OA was less effective than in equivalent series. Correctives measures (such as a multidisciplinary standard sheet) have been set up to ensure a close follow-up of patients.
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23
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Arganbright JM, Lee JC, Weatherly RA. Pediatric drug-induced sleep endoscopy: An updated review of the literature. World J Otorhinolaryngol Head Neck Surg 2021; 7:221-227. [PMID: 34430829 PMCID: PMC8356111 DOI: 10.1016/j.wjorl.2021.05.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The field of drug-induced sleep endoscopy (DISE) has grown considerably over the last 10∼15 years, to now include its use in pediatric patients. In this review article, we outline our approach to the use of this technology in Children with Airway Obstruction, most specifically in the management of children with airway obstruction and known or suspected adenotonsillar enlargement.
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Affiliation(s)
- Jill M Arganbright
- Children's Mercy Kansas City, Division of Otolaryngology, Kansas City, MO, USA.,University of Missouri, Kansas City School of Medicine, Kansas City, MO, USA
| | - Jason C Lee
- University of Kansas Medical Center, Department of Otolaryngology, Kansas City, KS, USA
| | - Robert A Weatherly
- Children's Mercy Kansas City, Division of Otolaryngology, Kansas City, MO, USA.,University of Missouri, Kansas City School of Medicine, Kansas City, MO, USA
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24
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Evaluation of Agreement on Presence and Severity of Tracheobronchomalacia by Dynamic Flexible Bronchoscopy. Ann Am Thorac Soc 2021; 18:1749-1752. [PMID: 34000226 DOI: 10.1513/annalsats.202009-1142rl] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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25
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Baldassari CM, Lam DJ, Ishman SL, Chernobilsky B, Friedman NR, Giordano T, Lawlor C, Mitchell RB, Nardone H, Ruda J, Zalzal H, Deneal A, Dhepyasuwan N, Rosenfeld RM. Expert Consensus Statement: Pediatric Drug-Induced Sleep Endoscopy. Otolaryngol Head Neck Surg 2021; 165:578-591. [PMID: 33400611 DOI: 10.1177/0194599820985000] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
OBJECTIVE To develop an expert consensus statement on pediatric drug-induced sleep endoscopy (DISE) that clarifies controversies and offers opportunities for quality improvement. Pediatric DISE was defined as flexible endoscopy to examine the upper airway of a child with obstructive sleep apnea who is sedated and asleep. METHODS Development group members with expertise in pediatric DISE followed established guidelines for developing consensus statements. A search strategist systematically reviewed the literature, and the best available evidence was used to compose consensus statements regarding DISE in children 0 to 18 years old. Topics with significant practice variation and those that would improve the quality of patient care were prioritized. RESULTS The development group identified 59 candidate consensus statements, based on 50 initial proposed topics, that focused on addressing the following high-yield topics: (1) indications and utility, (2) protocol, (3) optimal sedation, (4) grading and interpretation, (5) complications and safety, and (6) outcomes for DISE-directed surgery. After 2 iterations of the Delphi survey and removal of duplicative statements, 26 statements met the criteria for consensus; 11 statements were designated as no consensus. Several areas, such as the role of DISE at the time of adenotonsillectomy, were identified as needing further research. CONCLUSION Expert consensus was achieved for 26 statements pertaining to indications, protocol, and outcomes for pediatric DISE. Clinicians can use these statements to improve quality of care, inform policy and protocols, and identify areas of uncertainty. Future research, ideally randomized controlled trials, is warranted to address additional controversies related to pediatric DISE.
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Affiliation(s)
- Cristina M Baldassari
- Eastern Virginia Medical School / Children's Hospital of The King's Daughters, Norfolk, Virginia, USA
| | - Derek J Lam
- Oregon Health and Science University, Portland, Oregon, USA
| | - Stacey L Ishman
- Cincinnati Children's Hospital Medical Center / University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | | | - Norman R Friedman
- Children's Hospital Colorado / University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Terri Giordano
- Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Claire Lawlor
- Children's National Medical Center / George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | | | - Heather Nardone
- Nemours / Alfred I. duPont Hospital for Children, New Castle County, Delaware, USA
| | - James Ruda
- Nationwide Children's Hospital, Columbus, Ohio, USA
| | - Habib Zalzal
- West Virginia University, Morgantown, West Virginia, USA
| | - Adrienne Deneal
- American Academy of Otolaryngology-Head and Neck Surgery Foundation, Alexandria, Virginia, USA
| | - Nui Dhepyasuwan
- American Academy of Otolaryngology-Head and Neck Surgery Foundation, Alexandria, Virginia, USA
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26
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Kuo IC, Hsin LJ, Lee LA, Fang TJ, Tsai MS, Lee YC, Shen SC, Li HY. Prediction of Epiglottic Collapse in Obstructive Sleep Apnea Patients: Epiglottic Length. Nat Sci Sleep 2021; 13:1985-1992. [PMID: 34764713 PMCID: PMC8573216 DOI: 10.2147/nss.s336019] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 10/22/2021] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVE This study aims to explore the factors that contribute to epiglottic collapse (EC) in patients with obstructive sleep apnea (OSA). METHODS This study enrolled 35 patients (34 males; median age, 39 years; median apnea-hypopnea index (AHI), 55.4 events/h; median body mass index (BMI), 26.9 kg/m2). EC (epiglottis attaching onto the posterior pharyngeal wall) was diagnosed by drug-induced sleep computed tomography (DI-SCT). Three dimensions were assessed for comparison between the EC and non-EC (NEC) groups that included anatomical measurement: epiglottic length and angle, endoscopic classification of epiglottis obstructing the glottis (Type I, none; Type II, partial; and Type III, total), and dynamic hyoid movement during DI-SCT (Δ hyoid = √(x2 + y2), maximal displacement of hyoid in x and y axes during sleep breathing cycle). RESULTS EC was found in 12 patients (34%). No difference in age, gender, AHI, and BMI between the two groups was noted. The anatomical measurement revealed that epiglottis length was significantly different between the EC and NEC groups (21.2 vs 15.8 mm; p < 0.001), with a cutoff value of 16.6 mm (sensitivity, 100%; specificity, 65.2%). The EC group patients showed larger hyoid movement than the NEC group patients (Δ hyoid, 4.8 vs 3.0 mm; p = 0.027). By contrast, epiglottic angle and endoscopic classification revealed an insignificant difference between the two groups. CONCLUSION Epiglottis is a potential collapse site among multilevel obstruction in moderate to severe OSA patients. Epiglottic length is highly sensitive in predicting EC, with the cutoff value of 16.6 mm. Hyoid movement plays a role in contributing to EC in OSA patients.
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Affiliation(s)
- I-Chun Kuo
- Departments of Otolaryngology-Head & Neck Surgery, Chang Gung Memorial Hospital, Linkou Main Branch, Tao-yuan City, Taiwan.,College of Medicine, Chang Gung University, Tao-Yuan, Taiwan
| | - Li-Jen Hsin
- Departments of Otolaryngology-Head & Neck Surgery, Chang Gung Memorial Hospital, Linkou Main Branch, Tao-yuan City, Taiwan.,College of Medicine, Chang Gung University, Tao-Yuan, Taiwan
| | - Li-Ang Lee
- Departments of Otolaryngology-Head & Neck Surgery, Chang Gung Memorial Hospital, Linkou Main Branch, Tao-yuan City, Taiwan.,College of Medicine, Chang Gung University, Tao-Yuan, Taiwan
| | - Tuan-Jen Fang
- Departments of Otolaryngology-Head & Neck Surgery, Chang Gung Memorial Hospital, Linkou Main Branch, Tao-yuan City, Taiwan.,College of Medicine, Chang Gung University, Tao-Yuan, Taiwan
| | - Ming-Shao Tsai
- College of Medicine, Chang Gung University, Tao-Yuan, Taiwan.,Departments of Otolaryngology-Head & Neck Surgery, Chang Gung Memorial Hospital, Chiayi Branch, Chiayi City, Taiwan
| | - Yi-Chan Lee
- College of Medicine, Chang Gung University, Tao-Yuan, Taiwan.,Departments of Otolaryngology-Head & Neck Surgery, Chang Gung Memorial Hospital, Keelung Branch, Keelung City, Taiwan
| | - Shih-Chieh Shen
- College of Medicine, Chang Gung University, Tao-Yuan, Taiwan.,Departments of Otolaryngology-Head & Neck Surgery, New Taipei City Municipal Tucheng Hospital, New Taipei City, Taiwan
| | - Hsueh-Yu Li
- Departments of Otolaryngology-Head & Neck Surgery, Chang Gung Memorial Hospital, Linkou Main Branch, Tao-yuan City, Taiwan.,College of Medicine, Chang Gung University, Tao-Yuan, Taiwan
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27
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Kuo YH, Liu TJ, Chiu FH, Chang Y, Lin CM, Jacobowitz O, Hsu YS. Novel Intraoral Negative Airway Pressure in Drug-Induced Sleep Endoscopy with Target-Controlled Infusion. Nat Sci Sleep 2021; 13:2087-2099. [PMID: 34853543 PMCID: PMC8627897 DOI: 10.2147/nss.s327770] [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] [Received: 07/08/2021] [Accepted: 10/21/2021] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND In intermittent negative airway pressure (iNAP) therapy, soft tissues are reshaped into a forward-resting position, thus reducing airway obstruction during sleep. This study investigated the effect of iNAP therapy that was administered during drug-induced sleep endoscopy with target-controlled infusion (TCI-DISE) in patients with obstructive sleep apnea (OSA) intolerant of continuous positive airway pressure (CPAP) therapy. METHODS This prospective case series study included 92 patients with polysomnography (PSG)-confirmed OSA who underwent TCI-DISE with iNAP from January 2018 to February 2020 at a tertiary referral hospital. Upper airway obstruction was evaluated and scored using the velum, oropharynx, tongue base, and epiglottis (VOTE) classification. Obstruction severity was assessed multiple times with the patient in the supine position with or without lateral rotation of the head and the application of iNAP therapy, respectively. RESULTS After the application of iNAP therapy in the supine position, obstruction severity decreased significantly: from complete or partial obstruction to partial or no obstruction in 37, 12, and 36 patients (40.2%, 13%, and 39%, respectively) with velar obstruction, oropharyngeal, and tongue base obstruction, respectively. After simultaneously applying iNAP therapy with head rotation, obstruction severity decreased in 47, 43, and 19 patients (51%, 47%, and 21%, respectively) with velar, tongue base, and epiglottic obstruction, respectively. CONCLUSION In TCI-DISE, we found that iNAP therapy relieved velar, oropharyngeal, and tongue base obstruction in the supine position in some patients. Moreover, iNAP therapy can be combined with positional therapy to alleviate velar, tongue base, and epiglottic obstruction in some patients. TCI-DISE can also be used to screen the possible responders for iNAP therapy because it is less time consuming than PSG.
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Affiliation(s)
- Yu-Hsuan Kuo
- Department of Otolaryngology, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan
| | - Tien-Jen Liu
- Department of Otolaryngology Head & Neck Surgery, MacKay Memorial Hospital, Taipei Branch, Taipei, Taiwan.,School of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Feng-Hsiang Chiu
- Department of Otolaryngology, Head and Neck Surgery, Tri-Service General Hospital, Taipei, Taiwan.,School of Medicine, National Defense Medical Center, Taipei City, Taiwan
| | - Yi Chang
- Department of Anesthesiology, Shin Kong Wu Ho-Su Memorial Hospital, Taipei City, Taiwan
| | - Chia-Mo Lin
- Division of Chest Medicine, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan.,Department of Chemistry, Fu-Jen Catholic University, New Taipei City, Taiwan.,Graduate Institute of Biomedical and Pharmaceutical Science, Fu Jen Catholic University, New Taipei City, Taiwan
| | | | - Ying-Shuo Hsu
- Department of Otolaryngology, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan.,School of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan
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28
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Cheong CS, Loke W, Thong MKT, Toh ST, Lee CH. The Emerging Role of Drug-Induced Sleep Endoscopy in the Management of Obstructive Sleep Apnea. Clin Exp Otorhinolaryngol 2020; 14:149-158. [PMID: 33092317 PMCID: PMC8111386 DOI: 10.21053/ceo.2020.01704] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 09/29/2020] [Indexed: 11/22/2022] Open
Abstract
Obstructive sleep apnea is a prevalent sleep disorder characterized by partial or complete obstruction of the upper airway. Continuous positive airway pressure is the first-line therapy for most patients, but adherence is often poor. Alternative treatment options such as mandibular advancement devices, positional therapy, and surgical interventions including upper airway stimulation target different levels and patterns of obstruction with varying degrees of success. Drug-induced sleep endoscopy enables the visualization of upper airway obstruction under conditions mimicking sleep. In the era of precision medicine, this additional information may facilitate better decision-making when prescribing alternative treatment modalities, with the hope of achieving better adherence and/or success rates. This review discusses the current knowledge and evidence on the role of drug-induced sleep endoscopy in the non-positive airway pressure management of obstructive sleep apnea.
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Affiliation(s)
- Crystal Sj Cheong
- Department of Otolaryngology-Head and Neck Surgery, National University Hospital, Singapore
| | - Weiqiang Loke
- Faculty of Dentistry, National University of Singapore, Singapore
| | - Mark Kim Thye Thong
- Department of Otolaryngology-Head and Neck Surgery, National University Hospital, Singapore
| | - Song Tar Toh
- Department of Otolaryngology, Singapore General Hospital, SingHealth Duke-NUS Sleep Centre, Singapore
| | - Chi-Hang Lee
- Department of Cardiology, National University Heart Centre Singapore, Singapore.,Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.,Cardiovascular Research Institute, National University of Singapore, Singapore
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Williamson A, Ibrahim SR, Coutras SW, Carr MM. Pediatric Drug-Induced Sleep Endoscopy: Technique and Scoring System. Cureus 2020; 12:e10765. [PMID: 33154838 PMCID: PMC7606258 DOI: 10.7759/cureus.10765] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Drug-induced sleep endoscopy (DISE) is an invaluable tool for identifying sites of obstruction for patients with obstructive sleep apnea (OSA). During DISE, the patient is in a state of drug-induced sleep, and a flexible laryngoscope is passed through the nose into the upper airway. Sites of obstruction are visualized and scored to guide surgical management. Currently, there is no universally accepted method of DISE analysis and scoring. This limitation in comparability impedes large-scale analysis between clinicians, institutions, and studies. In this report, we propose a standardized method of scoring and performing DISE in children with OSA. Our DISE scoring system is internally developed, consistent through the study, and addresses all levels of potential upper airway obstruction.
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Affiliation(s)
- Adrian Williamson
- Department of Otolaryngology, Head and Neck Surgery, West Virginia University, Morgantown, USA
| | - Samira R Ibrahim
- Department of Otolaryngology, Head and Neck Surgery, West Virginia School of Osteopathic Medicine, Lewisburg, USA
| | - Steven W Coutras
- Department of Otolaryngology, Head and Neck Surgery, West Virginia University, Morgantown, USA
| | - Michele M Carr
- Department of Otolaryngology, Head and Neck Surgery, University at Buffalo, Buffalo, USA
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Sleep endoscopy findings in children in supine versus left lateral position. Int J Pediatr Otorhinolaryngol 2020; 134:110056. [PMID: 32361256 DOI: 10.1016/j.ijporl.2020.110056] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 04/16/2020] [Accepted: 04/17/2020] [Indexed: 11/22/2022]
Abstract
OBJECTIVE To describe how drug-induced sleep endoscopy (DISE) findings in children with obstructive sleep apnea (OSA) change with lateral positioning. METHODS Children undergoing DISE for OSA in 2018-19 at a tertiary care children's hospital were positioned first supine and then in left lateral (LL) and findings were compared. RESULTS 63 children were included, 30 (47.6%) female and 33 (52.4%) male, mean age 4.64 years, and a mean Z-score 0.70. Mean pre-op Apnea Hypopnea Index (AHI) was 6.41 and REM AHI was 15.04. In supine position, 20 had obstruction at the palate (31.7%), 39 (61.9%) had obstruction at each of the base of tongue and the larynx, 17 (27.0%) had obstruction at the tonsils. In LL position, 11 (17.5%) were obstructed at the palate, 21 (33.3%) at the tonsils, 8 (12.7%) at the base of tongue and 7 (11.1%) at the larynx. Larynx and base of tongue were most likely to improve in LL position, as 54% of patients obstructed in supine position were open in LL position. Overall 38 (60.3%) patients improved on LL, 18 (28.6%) had no change, and 7 (11.1%) worsened. 30 (47.6%) patients improved in 1 site while 12 (19.0%) improved in more than 1 site. 16 (25.4%) patients worsened in 1 site and 9 (56.3%) of these had improvement in another site. CONCLUSION A significant number of patients improved airway patency, particularly at the base of tongue/larynx, during DISE when placed in LL position as compared to standard supine positioning.
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Predictors of success in hypoglossal nerve stimulator implantation for obstructive sleep apnea. World J Otorhinolaryngol Head Neck Surg 2020; 7:40-44. [PMID: 33474543 PMCID: PMC7801256 DOI: 10.1016/j.wjorl.2020.02.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 01/21/2020] [Accepted: 02/16/2020] [Indexed: 11/21/2022] Open
Abstract
Objective Current guidelines for hypoglossal nerve stimulator (HGNS) implantation eligibility include drug-induced sleep endoscopy (DISE) findings and other patient characteristics but lead to highly variable rates of surgical success across institutions. Our objective was to determine whether additional factors seen on preoperative evaluation could be used as predictors of surgical success. Study design Retrospective chart review. Setting Single-institution academic tertiary care medical center. Subjects and Methods:This study included patients with obstructive sleep apnea (OSA) who underwent HGNS implantation between 2015 and 2018. Surgical success was defined as a postoperative apnea-hypopnea index (AHI) of less than 20 events per hour and an AHI reduction of at least 50%. Preoperative polysomnogram (PSG) results, DISE findings, and physical parameters were compared between surgical successes and failures. Results A total of 68 patients were included in the analysis. The overall surgical success rate was 79.4% (54/68). Elevated preoperative AHI was associated with an increased likelihood of treatment failure, with an AHI of (36.9 ± 16.8) events/hour in the success group compared to (49.4 ± 19.6) events/hour in the failure group (P = 0.05). Patients observed to have partial lateral oropharyngeal collapse on DISE was more frequently associated with the treatment failure group than in the success group (P = 0.04). Conclusion Patients who underwent HGNS implantation overall had a very high treatment response rate at our institution. Factors that may predispose patients to surgical failure included the presence of lateral oropharyngeal collapse and a significantly elevated preoperative AHI. These should be considered when determining surgical candidacy for HGNS implantation.
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Kim JY, Han SC, Lim HJ, Kim HJ, Kim JW, Rhee CS. Drug-Induced Sleep Endoscopy: A Guide for Treatment Selection. SLEEP MEDICINE RESEARCH 2020. [DOI: 10.17241/smr.2020.00584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Lai CC, Lin PW, Lin HC, Friedman M, Salapatas AM, Chen JP, Chang HW, Juang SE, Wu SC, Lin MC. Computer-Assisted Quantitative Analysis of Drug-Induced Sleep Endoscopy for Obstructive Sleep Apnea/Hypopnea Syndrome. Otolaryngol Head Neck Surg 2020; 163:1274-1280. [PMID: 32600112 DOI: 10.1177/0194599820933206] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVES To use computer-assisted quantitative measurements of upper airway changes during drug-induced sleep endoscopy (DISE) and to correlate these parameters with disease severities and physiologic changes in patients with obstructive sleep apnea/hypopnea syndrome (OSA). DESIGN A retrospective study. SETTING Tertiary academic medical center. PATIENTS AND METHODS A total of 170 patients who failed continuous positive airway pressure therapy and then underwent upper airway surgery were enrolled. All patients received polysomnography and DISE preoperatively. We used ImageJ 1.48v to obtain maximal and minimal measurements, including cross-sectional areas and anterior-posterior and lateral diameters at 4 anatomic levels (retropalatal, oropharyngeal, retroglossal, and retroepiglottic) under DISE, and then computed the percentage changes. We analyzed the clinical values of DISE changes by computer-assisted analysis in patients with OSA and any correlations between these changes and polysomnography parameters. RESULTS The percentage changes of upper airway showed significant collapses at all 4 anatomic levels (all P < .0001). We also found that the changes at retropalatal levels were significantly greater and that retroglossal levels were significantly smaller, while the changes of anterior-posterior diameters at retroglossal levels showed a significant positive association with apnea-hypopnea index and desaturation index. However, there were no statistically significant correlations between upper airway changes and obesity. CONCLUSION Computer-assisted quantitative analysis could evaluate upper airway changes of OSA in an objective way and may help identify the sites of obstruction during DISE more accurately. Upper airway showed multilevel collapse with independent significant changes in patients with OSA, with the retropalatal and retroglossal levels playing important roles in particular.
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Affiliation(s)
- Chi-Chih Lai
- Department of Otolaryngology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Pei-Wen Lin
- Division of Glaucoma, Department of Ophthalmology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan.,Sleep Center, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Hsin-Ching Lin
- Department of Otolaryngology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan.,Sleep Center, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan.,Robotic Surgery Center, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Michael Friedman
- Division of Sleep Surgery, Department of Otolaryngology-Head and Neck Surgery, Rush University Medical Center, Chicago, Illinois, USA.,Department of Otolaryngology, Advanced Center for Specialty Care, Advocate Illinois Masonic Medical Center, Chicago, Illinois, USA
| | - Anna M Salapatas
- Department of Otolaryngology, Advanced Center for Specialty Care, Advocate Illinois Masonic Medical Center, Chicago, Illinois, USA
| | - Ju-Pin Chen
- Department of Anesthesiology, Yuan's General Hospital, Kaohsiung, Taiwan
| | - Hsueh-Wen Chang
- Department of Biological Sciences, National Sun Yat-Sen University, Kaohsiung, Taiwan
| | - Sin-Ei Juang
- Department of Anesthesiology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Shao-Chun Wu
- Department of Anesthesiology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Meng-Chih Lin
- Sleep Center, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan.,Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
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Adler AC, Musso MF, Mehta DK, Chandrakantan A. Pediatric Drug Induced Sleep Endoscopy: A Simple Sedation Recipe. Ann Otol Rhinol Laryngol 2019; 129:428-433. [DOI: 10.1177/0003489419892292] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Objective: To describe a minimalist approach to sedating children for DISE procedures. Methods: We searched existing literature and derived and tested our algorithm on patients using evidence-based studies. Results: We were able to successfully sedate, without airway intervention, 15 highly complex children with a variety of comorbidities for DISE procedures. Conclusion: We describe a minimalistic sedation approach for DISE procedures in highly complex children. Further studies are required to compare this regimen to natural sleep states.
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Affiliation(s)
- Adam C. Adler
- Department of Anesthesiology, Perioperative and Pain Medicine, Baylor College of Medicine, Texas Children’s Hospital, Houston, TX, USA
| | - Mary F. Musso
- Department of Otolaryngology, Baylor College of Medicine, Houston TX, USA
- Department Pediatric Otolaryngology, Texas Children’s Hospital, Houston, TX, USA
| | - Deepak K. Mehta
- Department of Otolaryngology, Baylor College of Medicine, Houston TX, USA
- Department Pediatric Otolaryngology, Texas Children’s Hospital, Houston, TX, USA
| | - Arvind Chandrakantan
- Department of Anesthesiology, Perioperative and Pain Medicine, Baylor College of Medicine, Texas Children’s Hospital, Houston, TX, USA
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Vicini C, Colabianchi V, Giorgio Marrano G, Barbanti F, Spedicato GA, Lombardo L, Siciliani G. Description of the relationship between NOHL classification in drug-induced sleep endoscopy and initial AHI in patients with moderate to severe OSAS, and evaluation of the results obtained with oral appliance therapy. ACTA ACUST UNITED AC 2019; 40:50-56. [PMID: 31570902 PMCID: PMC7147537 DOI: 10.14639/0392-100x-2290] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Accepted: 11/30/2018] [Indexed: 11/23/2022]
Abstract
Nowadays, drug-induced sleep endoscopy is widely recognised as a valid tool for diagnosis and treatment planning of obstructive sleep apnoea syndrome (OSAS), as it allows a direct visualisation of sites and patterns of collapse of the upper airways (UA). Various classifications have been proposed in the literature to describe the events observed during DISE, including the NOHL (Nasopharynx cavity and walls, Oropharynx, Hypopharynx, Larynx) classification. This study was aimed at assessing which anatomical structures, according to the NOHL Classification, were most frequently involved in UA collapse in patients with moderate to severe OSAS, and evaluating treatment results with oral appliances (OA), in terms of AHI reduction. The study group consisted of 35 patients (29 M, 6 F, mean age 50.6, average BMI 26) with polysomnographic diagnosis of moderate to severe OSAS, subjected to DISE and classified according to the NOHL classification to identify the anatomical sites and patterns of UA collapse most frequently reported. Patients were subsequently addressed to mandibular advancing device (MAD) therapy and treatment results in terms of AHI reduction were evaluated. In the sample examined, the anatomical structures most frequently involved in the collapse of the UA were the nasopharynx cavity and walls and tongue base, with a correlation index of 0.35 (p < 0.04), while no significance was found for the retro-palatal area or larynx. Descriptive analysis revealed multilevel collapse in all patients, involving multiple anatomical structures in obstructive mechanics. In all patients, AHI reduction was observed after treatment with MAD (p < 0.00).
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Affiliation(s)
- Claudio Vicini
- Department of Otolaryngology, Ospedale Morgani-Pierantoni, Forlì, Italy
| | | | | | | | | | - Luca Lombardo
- Department of Orthodontics, University of Ferrara, Italy
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36
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Kılavuz AE, Bayram AA. Intra-rater and Inter-rater consistency of drug induced sleep endoscopy. ENT UPDATES 2019. [DOI: 10.32448/entupdates.596457] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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Nzekwu C, Dijemeni E. Drug-Induced Sleep Endoscopy (DISE) Scoring Systems: Ideal DISE Scoring System and Comparability Properties. Otolaryngol Head Neck Surg 2019; 158:777. [PMID: 29607752 DOI: 10.1177/0194599817753603] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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38
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Amos JM, Ishman SL. Aiming for an Ideal Drug-Induced Sleep Endoscopy (DISE) Scoring System. Otolaryngol Head Neck Surg 2019; 158:778. [PMID: 29607751 DOI: 10.1177/0194599817753604] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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39
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New Options in Pediatric Obstructive Sleep Apnea. CURRENT OTORHINOLARYNGOLOGY REPORTS 2019. [DOI: 10.1007/s40136-019-00245-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Inter-rater reliability between experienced and inexperienced otolaryngologists using Koo's drug-induced sleep endoscopy classification system. Eur Arch Otorhinolaryngol 2019; 276:1525-1531. [PMID: 30887166 DOI: 10.1007/s00405-019-05386-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Accepted: 03/12/2019] [Indexed: 10/27/2022]
Abstract
PURPOSE An ideal, drug-induced sleep endoscopy (DISE) classification system should cover all the upper airways, be simple and practical, and quantify the severity of any obstruction. Excellent validity and reliability are essential. We explored the inter-rater reliability of Koo's DISE classification system in the hands of experienced and inexperienced otolaryngologists. METHODS We retrospectively analyzed video images of 100 patients who underwent DISE examination in our hospital between 2015 and 2018. Three experienced and three inexperienced otolaryngologists reviewed and scored all images. We calculated the inter-rater reliabilities of the two groups of otolaryngologists. RESULTS Independent of the extent of experience with DISE, detection of retropalatal obstructions (overall agreement: 0.87; kappa value: 0.60), and the degree of such obstructions (overall agreement: 0.67; kappa value: 0.52) were more consistent than were the detection of retrolingual obstructions (overall agreement: 0.61, kappa value: 0.37) and the degree of retrolingual obstructions (overall agreement: 0.20, kappa value: 0.35). Inexperienced observers were in good agreement for palatal obstructions and experienced observers were in good agreement for tongue-base obstructions. All of the otolaryngologists found it difficult to detect a lateral pharyngeal wall obstruction at the retrolingual level. CONCLUSION Koo's DISE classification system focuses on surgical treatment, especially by otolaryngologists, and the degree of agreement between the experienced and inexperienced observers was relatively high. The participants' level of experience had a strong impact on scoring. The less-experienced otolaryngologists tended to overlook tongue-base obstructions, focusing instead on relatively simple retropalatal obstructions. In the future, development of a DISE classification system that can be accepted globally will be necessary.
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Affiliation(s)
- Michael Awad
- Division of Sleep Surgery, Department of Otolaryngology-Head and Neck Surgery, Stanford University School of Medicine, Stanford Hospital and Clinics, 801 Welch Road, Stanford, CA 95304, USA.
| | - Tyler S Okland
- Department of Otolaryngology-Head and Neck Surgery, Stanford Hospital and Clinics, 801 Welch Road, Stanford, CA 95304, USA
| | - Vladimir Nekhendzy
- Department of Anesthesia, Stanford Hospital and Clinics, 801 Welch Road, Stanford, CA 95304, USA
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Tejan J, Medina M, Ulualp SO. Comparative assessment of drug-induced sleep endoscopy scoring systems in pediatric sleep apnea. Laryngoscope 2019; 129:2195-2198. [PMID: 30671952 DOI: 10.1002/lary.27829] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/04/2019] [Indexed: 01/18/2023]
Abstract
OBJECTIVES/HYPOTHESIS A wide variety of drug-induced sleep endoscopy (DISE) scoring systems has been used to evaluate sites of upper airway obstruction in children and adults; however, a universally accepted DISE scoring system dedicated to children has not been developed. We evaluated the utility of DISE scoring systems in the assessment of obstructive sleep apnea (OSA) using a single cohort of pediatric patients. STUDY DESIGN Retrospective chart review. METHODS The medical records of surgically naïve-healthy children with OSA who had undergone DISE were reviewed. Information about demographics, past medical history, and severity of OSA were obtained. A literature review was conducted to identify DISE scoring systems used in children with OSA. Recordings of DISE were analyzed without knowledge of patient information and severity of OSA. The effect of age, obesity, severity of OSA, and oxygen nadir on DISE score was assessed. RESULTS Sixty-eight patients (46 male, 22 female, age range: 19 months-18 years) were included. Forty-three patients were obese and 25 were nonobese. The severity of OSA was mild in 12 patients, moderate in 13 patients, and severe in 43 patients. DISE scoring systems did not document differences among the groups of patients with mild OSA, moderate OSA, and severe OSA (P > .05). DISE scores were not different among the studied age and weight categories (P > .05). CONCLUSIONS The DISE scoring systems did not show differences in DISE scores in surgically naïve-healthy children with varying age, weight, and OSA severity categories. Our findings provide preliminary evidence for the need of a universally applicable pediatric DISE scoring system for OSA. LEVEL OF EVIDENCE 4 Laryngoscope, 129:2195-2198, 2019.
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Affiliation(s)
- Joseph Tejan
- Department of Otolaryngology-Head and Neck Surgery, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Melecio Medina
- Department of Otolaryngology-Head and Neck Surgery, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Seckin O Ulualp
- Department of Otolaryngology-Head and Neck Surgery, University of Texas Southwestern Medical Center, Dallas, Texas.,Division of Pediatric Otolaryngology, Children's Medical Center, Dallas, Texas, U.S.A
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Abstract
Drug-induced sleep endoscopy is a safe and practical technique to evaluate the dynamic upper airway collapse during sleep. We review drug-induced sleep endoscopy in adults, including its indications, technique, evaluation of upper airway collapse, and clinical application. Drug-induced sleep endoscopy is useful to improve treatment options selection for patients with obstructive sleep apnea, especially for those who are unable to accept or tolerate continuous positive airway pressure therapy. Owing to a lack of standardization for drug-induced sleep endoscopy, it is difficult to compare the published literature from different sleep centers across the world.
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Affiliation(s)
- Khai Beng Chong
- Department of Otorhinolaryngology, Tan Tock Seng Hospital, 11 Jalan Tan Tock Seng, Singapore 308433, Singapore.
| | - Andrea De Vito
- Head and Neck Department, ENT and Oral Surgery Unit, Morgagni-Pierantoni Hospital, AUSL of Romagna, Via Carlo Forlanini 34, Forlì 47121, Italy
| | - Claudio Vicini
- Head and Neck Department, ENT and Oral Surgery Unit, Morgagni-Pierantoni Hospital, AUSL of Romagna, Via Carlo Forlanini 34, Forlì 47121, Italy
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Techniques for evaluation and management of tongue-base obstruction in pediatric obstructive sleep apnea. Curr Opin Otolaryngol Head Neck Surg 2018; 26:409-416. [DOI: 10.1097/moo.0000000000000489] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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The role of drug-induced sleep endoscopy: predicting and guiding upper airway surgery for adult OSA patients. Sleep Breath 2018; 22:925-931. [PMID: 30276710 DOI: 10.1007/s11325-018-1730-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2018] [Revised: 09/18/2018] [Accepted: 09/24/2018] [Indexed: 12/15/2022]
Abstract
PURPOSE Obstructive sleep apnea (OSA) is a common sleep disorder that can be corrected with upper airway surgery. Prior to surgery, drug-induced sleep endoscopy (DISE) is routinely used to evaluate obstruction sites and severity. Evidence suggests that the findings of DISE may relate to the final surgical outcome. Therefore, we evaluated the ability of drug-induced sleep endoscopy to predict the final effect of upper airway surgery and potentially to guide surgical treatment decision-making. METHODS A retrospective analysis was conducted on 85 adult patients with OSA (50 men with mean apnea-hypopnea index [AHI] 30 ± 15 events/h) who underwent DISE followed by tonsillectomy, uvulopalatopharyngoplasty (UPPP), or a combination of the two. Surgery outcome was evaluated at follow-up by polysomnography. Success response to surgery was defined as a postoperative value of the AHI< 20 events/h and more than 50% postoperative reduction of AHI. RESULTS Of the 85 patients evaluated, 48 (53%) were responders. DISE revealed significant differences between the two groups. Specifically, complete circumferential collapse at the velum and complete anterior-posterior collapse at the tongue base occurred at higher frequencies in nonresponders. In contrast, the presence of grade 3-4 tonsillar hypertrophy and anterior-posterior mild/partial collapse at the velum were positively associated with responders. CONCLUSIONS Our results suggest that DISE may help predict the final outcome of tonsillectomy, UPPP, or a combination of the two in adult patients with OSA. The use of DISE shows potential to guide treatment decisions for individual patients with OSA.
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Lee LA, Wang CJ, Lo YL, Huang CG, Kuo IC, Lin WN, Hsin LJ, Fang TJ, Li HY. Drug-Induced Sleep Computed Tomography-Directed Upper Airway Surgery for Obstructive Sleep Apnea: A Pilot Study. Otolaryngol Head Neck Surg 2018; 160:172-181. [PMID: 30226110 DOI: 10.1177/0194599818800288] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
OBJECTIVE A surgical response to upper airway (UA) surgery for obstructive sleep apnea (OSA) depends on adequate correction of collapsible sites in the UA. This pilot study aimed to examine the surgical response to UA surgery directed by drug-induced sleep computed tomography (DI-SCT) for OSA. STUDY DESIGN Prospective case series. SETTING Tertiary referral center. SUBJECTS AND METHODS This study recruited 29 OSA patients (median age, 41 years; median body mass index, 26.9 kg/m2) who underwent single-stage DI-SCT-directed UA surgery between October 2012 and September 2014. DI-SCT was performed with propofol for light sedation with a bispectral monitor before and after UA surgery. Nonresponders were defined as those with a reduction in apnea-hypopnea index <50% after 6 months following UA surgery. RESULTS DI-SCT showed that 28 (97%) patients had collapses at multiple sites, all of whom underwent multilevel UA surgery accordingly. The apnea-hypopnea index decreased from 53.6 to 26.8 ( P < .001). There were 18 (62%) nonresponders and 11 (38%) responders. Multiple-site collapses could not predict surgical response ( P > .99). The nonresponders had significant improvements in velopharyngeal, oropharyngeal lateral wall, and tongue collapses (all P < .05), whereas the responders had significant improvements in velopharyngeal and oropharyngeal lateral wall collapses (both P ≤ .05). CONCLUSION Despite multilevel OSA surgery, residual UA obstruction in nonresponders likely occurs due to multiple mechanisms. DI-SCT may help to elucidate the reasons for a nonresponse.
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Affiliation(s)
- Li-Ang Lee
- 1 Department of Otorhinolaryngology-Head and Neck Surgery, Sleep Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,2 Faculty of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Chao-Jan Wang
- 2 Faculty of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan.,3 Department of Medical Imaging and Intervention, Sleep Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Yu-Lun Lo
- 2 Faculty of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan.,4 Department of Thoracic Medicine, Sleep Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Chung-Guei Huang
- 5 Department of Laboratory Medicine, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,6 Department of Medical Biotechnology and Laboratory Science, Graduate Institute of Biomedical Sciences, Chang Gung University, Taoyuan, Taiwan
| | - I-Chun Kuo
- 1 Department of Otorhinolaryngology-Head and Neck Surgery, Sleep Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,2 Faculty of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Wan-Ni Lin
- 1 Department of Otorhinolaryngology-Head and Neck Surgery, Sleep Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,2 Faculty of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Li-Jen Hsin
- 1 Department of Otorhinolaryngology-Head and Neck Surgery, Sleep Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,2 Faculty of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Tuan-Jen Fang
- 1 Department of Otorhinolaryngology-Head and Neck Surgery, Sleep Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,2 Faculty of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Hsueh-Yu Li
- 1 Department of Otorhinolaryngology-Head and Neck Surgery, Sleep Center, Linkou Chang Gung Memorial Hospital, Taoyuan, Taiwan.,2 Faculty of Medicine, College of Medicine, Chang Gung University, Taoyuan, Taiwan
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Tan HL, Kheirandish-Gozal L, Gozal D. Adenotonsillectomy in Pediatric OSA: Time to Look Elsewhere. CURRENT SLEEP MEDICINE REPORTS 2018. [DOI: 10.1007/s40675-018-0122-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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