Robotic Modification of Epiglottis Trimming in the Treatment of Obstructive Sleep Apnea

2021 ◽  
pp. 019459982110646
Author(s):  
Mehmet Ali Babademez ◽  
Fatih Gul ◽  
Kadir Sinasi Bulut ◽  
Mecit Sancak ◽  
Saliha Kusoglu Atalay

Objective With the widespread use of drug-induced sleep endoscopy, it has been suggested that epiglottis pathologies are present at high rates in patients with sleep apnea. The aim of our study was to evaluate the efficacy of trimming the curled-inward epiglottis as an updated surgical technique in patients with omega epiglottis. Study Design Retrospective study. Setting Tertiary hospital. Methods Among the 283 patients with epiglottis pathology, 21 with isolated omega-shaped epiglottis (age, 33-53 years) fulfilled the inclusion criteria between May 2016 and April 2019. Drug-induced sleep endoscopy was used to detect epiglottic collapse compressed by the lateral parts during inspiration. An epiglottoplasty technique was applied as single-level sleep surgery in patients with an isolated omega-shaped epiglottis. The medical data were also reviewed. Results The mean pre- and postoperative total apnea-hypopnea index (AHI) scores were 27.89 and 10.58, respectively, and this difference was statistically significant ( P < .001). There was a statistically significant difference between the pre- and postoperative supine AHI scores (27.02 vs 10.48, P < .001). Surgical success, defined as AHI <20 and a decrease in AHI by 50%, was documented in 85.71% of patients (18/21), and 12 patients found complete relief from obstructive sleep apnea symptoms (AHI <5); the cure rate was 38.09% (8/21). Conclusion Trimming the curled-inward epiglottis may represent an excellent option for epiglottis surgery in patients with obstructive sleep apnea by being less invasive than techniques currently in use.

2020 ◽  
pp. 019459982094101
Author(s):  
Erin M. Kirkham ◽  
Jonathan B. Melendez ◽  
Karen Hoi ◽  
Ronald D. Chervin

Objective Positional obstructive sleep apnea (POSA)—defined as obstructive sleep apnea twice as severe supine than nonsupine—may offer clues to the underlying pattern of upper airway collapse in children. We compared drug-induced sleep endoscopy (DISE) findings in children with and without POSA. We hypothesized that children with POSA would have significantly higher obstruction at the gravity-dependent palate and tongue base but not at the adenoid, lateral wall, or supraglottis. Study Design Retrospective case series. Setting Tertiary pediatric hospital. Subjects and Methods We included children aged 1 to 12 years with obstructive sleep apnea diagnosed by polysomnography who underwent DISE from July 2014 to February 2019. Scores were dichotomized as ≥50% obstruction (Chan-Parikh 2 or 3) vs <50% obstruction (Chan-Parikh 0 or 1). Results Of 99 children included, 32 (32%) had POSA and 67 (68%) did not. Children with POSA did not differ from children without POSA in age, overall apnea-hypopnea index, sex, race, syndromic diagnoses, obesity, or history of adenotonsillectomy. In logistic regression models, odds of ≥50% obstruction were significantly higher at the tongue base (odds ratio, 2.77; 95% CI, 1.04-7.39) after adjustment for age, sex, obesity, previous adenotonsillectomy, and syndrome. No difference was noted at the adenoid, velum, lateral wall, or supraglottis. Conclusion POSA was associated with higher odds of obstruction on DISE at the tongue base but not at other levels.


2021 ◽  
pp. 000348942110059
Author(s):  
Jian Qiao ◽  
Jie Qin ◽  
Dengxiang Xing ◽  
Shuhua Li ◽  
Dahai Wu

Objective: To compare the retrolingual obstruction during drug-induced sleep endoscopy (DISE) with the retrolingual obstruction during polysomnography with nasopharyngeal tube (NPT-PSG). Methods: A cross-sectional study of 77 consecutive patients with moderate and severe obstructive sleep apnea (OSA) was conducted. After 15 patients were excluded from the study for not completing DISE or NPT-PSG successfully, 62 patients were included in this study. Retrolingual sites of obstruction grade 2 determined by DISE according to the VOTE (velum, oropharynx lateral wall, tongue base, and epiglottis) classification were considered as retrolingual obstruction, while apnea-hypopnea index (AHI) ≥ 15 events/hour determined by NPT-PSG was considered as retrolingual obstruction. The extent of agreement between DISE and NPT-PSG findings was evaluated using unweighted Cohen’s kappa test. Results: The 62 study participants (11 moderate OSA, 51 severe OSA) had a mean (SD) age of 39.8 (9.9) years, and 58 (94%) were men. No statistically significant differences between included and excluded patients were observed in patient characteristics. The extent of agreement in retrolingual obstruction between DISE and NPT-PSG was 80.6% (Cohen k = 0.612; 95% CI, 0.415-0.807). Conclusion: Retrolingual obstruction requiring treatment showed good agreement between DISE and NPT-PSG, suggesting that NPT-PSG may also be a reliable method to assess the retrolingual obstruction.


2017 ◽  
Vol 158 (3) ◽  
pp. 559-565 ◽  
Author(s):  
Shan He ◽  
Nithin S. Peddireddy ◽  
David F. Smith ◽  
Angela L. Duggins ◽  
Christine Heubi ◽  
...  

Objectives To determine the effectiveness of pediatric drug-induced sleep endoscopy (DISE)–directed surgery for children with infant obstructive sleep apnea (OSA) or OSA after adenotonsillectomy. Study Design Case series with chart review. Setting Tertiary care pediatric hospital. Subjects and Methods We included 56 children undergoing DISE from October 2013 to September 2015 who underwent subsequent surgery to address OSA. The primary outcome was successful response to DISE-directed surgery based on the postoperative obstructive Apnea-Hypopnea Index (oAHI). Wilcoxon matched-pairs signed-ranks tests were used to compare polysomnography variables before and after surgery, and regression was used to model response to surgery. Results We evaluated 56 patients with a mean age of 5.9 ± 5.5 years (range, 0.1-17.4) and mean body mass index of 21.2 ± 7.9 kg/m2 (percentile, 77 ± 30). The most commonly performed surgical procedures were adenoidectomy (48%, n = 27), supraglottoplasty (38%, n = 21), tonsillectomy (27%, n = 15), lingual tonsillectomy (13%, n = 7), nasal surgery (11%, n = 6), pharyngoplasty (7%, n = 4), and partial midline glossectomy (7%, n = 4). Mean oAHI improved from 14.9 ± 13.5 to 10.3 ± 16.2 events/hour, with 54% (30 of 56) of children with oAHI <5 and 16.1% (9 of 56) with oAHI <1. There was a significant improvement in oAHI ( P = .001) and saturation nadir ( P < .001) but not in time with end tidal carbon dioxide >50 mm Hg ( P = .14). Multivariable modeling, controlling for age, race, body mass index, sex, and baseline polysomnography variables, revealed that white race predicted success of DISE-directed surgery. Conclusion Fifty-four percent of children with infant OSA or persistent OSA after adenotonsillectomy had oAHI <5 events per hour after DISE-directed surgery. Only white race was predictive of oAHI <5 events per hour.


2018 ◽  
Vol 2018 ◽  
pp. 1-3
Author(s):  
Habib G. Zalzal ◽  
Steven Coutras

Objective. To demonstrate lateral pharyngeal wall collapse and increased apnea-hypopnea index in a child posttonsillectomy. Background. Some children have worsening of their sleep symptoms after tonsillectomy for obstructive sleep apnea. This case report demonstrates an open airway on drug-induced sleep endoscopy (DISE) in a child with tonsillar hypertrophy followed by more pronounced airway obstruction related to lateral pharyngeal wall collapse after tonsillectomy. Case Presentation. A 7-year-old boy presented with obstructive sleep apnea and underwent workup with DISE. Following adenotonsillectomy and subsequent lingual tonsillectomy with epiglottopexy, the patient’s sleep apnea symptoms and polysomnogram results worsened. Subsequent DISE showed a more narrowed oropharyngeal airway space as compared to his preoperative DISE. Discussion. Palatine tonsillar tissue may splint open the airway and prevent airway obstruction in a subset of pediatric patients. Further clinical studies are necessary to determine which children experience this phenomenon. Clinical examination using DISE can be useful in making clinical decisions prior to tonsillectomy.


Author(s):  
Huan-Yu Lin ◽  
Yi-Chih Lin ◽  
Ying-Shuo Hsu ◽  
Liang-Chun Shih ◽  
Tyler Nelson ◽  
...  

The Velum, Oropharynx, Tongue base and Epiglottis (VOTE) classification on drug-induced sleep endoscopy (DISE) is used widely for obstructive sleep apnea (OSA) syndrome, though research into comparative physical examinations with VOTE on DISE is still limited. The aim of this study was to evaluate the relationship between the findings of physical examinations and DISE in patients with OSA. Fifty-five patients with OSA were enrolled in this retrospective study. All of the patients received clinical explorations including a Brodsky classification, a modified Mallampati score (MMS), a modified Friedman’s staging system, and a Muller’s test. Drug-induced sleep endoscopy was further evaluated in the operating room. There were significant relationships between Brodsky classification, modified Friedman’s staging system, Muller’s test and oropharynx collapse during DISE (p < 0.05). Brodsky classification, MMS, modified Friedman’s staging system and retropalatal lateral-to-lateral (L–L) collapse of Muller’s test were significantly correlated with VOTE count (p < 0.05). The concordance between VOTE under DISE and Brodsky classification or modified Friedman’s staging system was moderate. In contrast, the concordance between VOTE under DISE and MMS or Muller’s test was slight. The study revealed that Brodsky classification and Friedman staging had a significant relationship with DISE on the velum and oropharynx, but the level of tongue base is uncertain between DISE and MMS. Correlation of awake evaluation of tongue base is still not correlated to the DISE findings. Pre-treatment evaluation of DISE is still warranted.


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