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Elmanaseer WR, Alamoush RA, Alsoleihat F, Al-Omiri MK. Position of Fovea Palatinae relative to the vibrating line in various soft palate classifications among Jordanian edentulous population. Sci Rep 2024; 14:9559. [PMID: 38671220 PMCID: PMC11053158 DOI: 10.1038/s41598-024-60162-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Accepted: 04/19/2024] [Indexed: 04/28/2024] Open
Abstract
This study aims to examine the relationship between the locations of Fovea Palatinae and the posterior vibrating line in different classes of soft palate angulation (House Classification), accordingly determine its reliability as a landmark and a tool for determining the posterior limit of the maxillary complete denture. 280 completely edentulous patients with normal healthy mucosa from both genders were randomly selected. The House classification of the soft palate angulation was identified and recorded as Class I, II, or III. Phonation was used to determine the position of the vibrating line. The Fovea Palatinae was then marked. Then, the distance between the Fovea Palatinae and the vibrating line was measured and recorded. Finally, the relative position of the Fovea Palatinae to the vibrating line was recorded as being anterior, posterior, or on the vibrating line. The Chi Square test, the effect size measures (Eta and Cramer's V tests), The Spearman's Rho rank correlation test, and multinominal logistic regression analysis were utilized to analyse the data. House classification percentages were measured among people whose Fovea Palatinae was detectable; Class II palate was the most prevalent (47.14%), followed by Class I (43.93%), and then Class III (8.93%). Based on vibrating line position, 129 (58%) had a vibrating line anterior to Fovea Palatinae, 57 (26%) on the Fovea Palatinae, 36 (16%) posterior to Fovea Palatinae, and in 58 (21%) Fovea Palatinae were not detected. The mean distance between the vibrating line and Fovea Palatinae was 3.66 ± 1.6 mm anteriorly and 2.97 ± 1.36 mm posteriorly. No significant differences were found between males and females in regard to House classification and vibrating line position. The odds of having the fovea posterior to the vibrating line would increase by 5% for each year increase in the age (P = 0.035, odds ratio = 1.050). Class II House classification of the soft palate was found to be the most prevalent among the study participants. Also, the vibrating line was anterior to the Fovea Palatinae in the majority of cases. The odds of having the fovea posterior to the vibrating line would increase by age. The Fovea Palatinae could be considered a useful guide for locating the vibrating line.
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Affiliation(s)
- Wijdan R Elmanaseer
- Department of Fixed and Removable Prosthodontics, School of Dentistry, University of Jordan, Amman, 11942, Jordan.
| | - Rasha A Alamoush
- Department of Fixed and Removable Prosthodontics, School of Dentistry, University of Jordan, Amman, 11942, Jordan
| | - Firas Alsoleihat
- Department of Restorative Dentistry, School of Dentistry, University of Jordan, Amman, 11942, Jordan
| | - Mahmoud K Al-Omiri
- Department of Fixed and Removable Prosthodontics, School of Dentistry, University of Jordan, Amman, 11942, Jordan
- Department of Prosthodontics, The City of London Dental School, Canada Water, Lower Road, London, UK
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Mason KN, Hanson B, Black JS. Measurement Matters: MRI Analysis of Differing Anatomic Measurement Techniques for Velar Length and the Velopharyngeal Needs Ratio. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2024; 12:e5617. [PMID: 38375369 PMCID: PMC10876255 DOI: 10.1097/gox.0000000000005617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 01/02/2024] [Indexed: 02/21/2024]
Abstract
Background Advances in imaging tools provide opportunities to enhance how velopharyngeal (VP) variables are quantified to facilitate surgical decisions. The purpose of this study was to use magnetic resonance imaging (MRI) to determine if quantitative differences were present between measures of linear and curvilinear velar length, and subsequently, the VP needs ratio. Methods Data were prospectively collected from patients presenting with repaired cleft palate and/or congenital palatal insufficiency with or without VPI at a single center tertiary children's hospital. Quantitative measures of the velopharynx using a novel nonsedated MRI protocol were obtained. Paired samples t tests were conducted to assess if differences were present between the VP needs ratio and measurements of linear and curvilinear velar length at rest and during sustained phonation. Intraclass correlation coefficients were calculated to assess intra/inter-rater reliability. Results Significant differences were present between measurements of linear and curvilinear velar length at rest (P ≤ 0.001) and during sustained phonation (P ≤ 0.001). Significant differences were also present in the VP needs ratio (P ≤ 0.001). Curvilinear velar length at rest and during sustained phonation was longer than that of linear velar length at rest and during sustained phonation. No significant differences were observed between measures of effective velar length (P = 0.393). Conclusions Measurement differences influence the VP needs ratio. This may have implications for comparisons to previously reported normative reference values and for those who are anatomically at risk for VPI. MRI provides an enhanced imaging modality to assess normative benchmarks and the anatomic variables used to define VP anatomy for clinical decision-making.
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Affiliation(s)
- Kazlin N. Mason
- From the Department of Human Services, University of Virginia, Charlottesville, Va
| | - Bailey Hanson
- From the Department of Human Services, University of Virginia, Charlottesville, Va
| | - Jonathan S. Black
- Division of Plastic Surgery, University of Virginia Health System, Charlottesville, Va
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Hanif U, Kiaer EK, Capasso R, Liu SY, Mignot EJM, Sorensen HBD, Jennum P. Automatic scoring of drug-induced sleep endoscopy for obstructive sleep apnea using deep learning. Sleep Med 2023; 102:19-29. [PMID: 36587544 DOI: 10.1016/j.sleep.2022.12.015] [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: 09/22/2022] [Revised: 12/09/2022] [Accepted: 12/19/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND Treatment of obstructive sleep apnea is crucial for long term health and reduced economic burden. For those considered for surgery, drug-induced sleep endoscopy (DISE) is a method to characterize location and pattern of sleep-related upper airway collapse. According to the VOTE classification system, four upper airway sites of collapse are characterized: velum (V), oropharynx (O), tongue (T), and epiglottis (E). The degree of obstruction per site is classified as 0 (no obstruction), 1 (partial obstruction), or 2 (complete obstruction). Here we propose a deep learning approach for automatic scoring of VOTE obstruction degrees from DISE videos. METHODS We included 281 DISE videos with varying durations (6 s-16 min) from two sleep clinics: Copenhagen University Hospital and Stanford University Hospital. Examinations were split into 5-s clips, each receiving annotations of 0, 1, 2, or X (site not visible) for each site (V, O, T, and E), which was used to train a deep learning model. Predicted VOTE obstruction degrees per examination was obtained by taking the highest predicted degree per site across 5-s clips, which was evaluated against VOTE degrees annotated by surgeons. RESULTS Mean F1 score of 70% was obtained across all DISE examinations (V: 85%, O: 72%, T: 57%, E: 65%). For each site, sensitivity was highest for degree 2 and lowest for degree 0. No bias in performance was observed between videos from different clinicians/hospitals. CONCLUSIONS This study demonstrates that automating scoring of DISE examinations show high validity and feasibility in degree of upper airway collapse.
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Affiliation(s)
- Umaer Hanif
- Biomedical Signal Processing & AI Research Group, Department of Health Technology, Technical University of Denmark, Oersteds Plads 345B, 2800, Kongens Lyngby, Denmark; Stanford University Center for Sleep and Circadian Sciences, Stanford University, 3165 Porter Dr., CA, 94304, Palo Alto, USA; Danish Center for Sleep Medicine, Department of Clinical Neurophysiology, Rigshospitalet, University of Copenhagen, Nordre Ringvej 57, 2600, Glostrup, Denmark.
| | - Eva Kirkegaard Kiaer
- Danish Center for Sleep Surgery, Department of Otorhinolaryngology, Head and Neck Surgery and Audiology, Copenhagen University Hospital (Rigshospitalet), Inge Lehmanns Vej 8, 2100, Copenhagen, Denmark.
| | - Robson Capasso
- Department of Otolaryngology/Head & Neck Surgery, Stanford University School of Medicine, 801 Welch Road, Palo Alto, CA, 94304, USA.
| | - Stanley Y Liu
- Department of Otolaryngology/Head & Neck Surgery, Stanford University School of Medicine, 801 Welch Road, Palo Alto, CA, 94304, USA.
| | - Emmanuel J M Mignot
- Stanford University Center for Sleep and Circadian Sciences, Stanford University, 3165 Porter Dr., CA, 94304, Palo Alto, USA.
| | - Helge B D Sorensen
- Biomedical Signal Processing & AI Research Group, Department of Health Technology, Technical University of Denmark, Oersteds Plads 345B, 2800, Kongens Lyngby, Denmark.
| | - Poul Jennum
- Danish Center for Sleep Medicine, Department of Clinical Neurophysiology, Rigshospitalet, University of Copenhagen, Nordre Ringvej 57, 2600, Glostrup, Denmark.
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Alfwaress F, Kummer AW, Weinrich B. Nasalance Scores for Normal Speakers of American English Obtained by the Nasometer II Using the MacKay-Kummer SNAP-R Test. Cleft Palate Craniofac J 2021; 59:765-773. [PMID: 34184583 DOI: 10.1177/10556656211025406] [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: 11/16/2022] Open
Abstract
OBJECTIVE To establish nasalance score norms for adolescent and young adult native speakers of American English and also determine age-group and gender differences using the Simplified Nasometric Assessment Procedures (SNAP) Test-R and Nasometer II. DESIGN Prospective study using a randomly selected sample of participants. SETTING Greater Cincinnati area and Miami University of Ohio. PARTICIPANTS Participants had a history of normal speech and language development and no history of speech therapy. Participants in the adolescent group were recruited from schools in West Clermont and Hamilton County, whereas the young adults were recruited from Miami University of Ohio. The participants of both groups were residents of Cincinnati, Ohio or Oxford, Ohio and spoke midland American English dialect. OUTCOME MEASURES Mean nasalance scores for the SNAP Test-R. RESULTS Normative nasalance scores were obtained for the Syllable Repetition/Prolonged Sounds, Picture-Cued, and Paragraph subtests. Results showed statistically significant nasalance score differences between adolescents and young adults in the Syllable Repetition, Picture-Cued, and Paragraph subtests, and between males and females in the Syllable Repetition and the Sound-Prolonged subtests. A significant univariate effect was found for the syllables and sentences containing nasal consonants and high vowels compared to syllables and sentences containing oral consonants and low vowels. Across all the SNAP Test-R subtests, the females' nasalance scores were higher than the males. A significant univariate effect was also found across nasal syllables, and high vowels such that the females' nasalance scores were higher than the males. Tables of normative data are provided that may be useful for clinical purposes. CONCLUSION Norms obtained demonstrated nasalance score differences according to age and gender, particularly in the Syllable Repetition/Prolonged Sound subtest. These differences were discussed in light of potential reasons for their existence and implications for understanding velopharyngeal function. In addition, nasalance scores are affected by the vowel type and place of articulation of the consonant. These facts should be considered when nasometry is used clinically and for research purposes.
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Affiliation(s)
| | - Ann W Kummer
- Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
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