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Maxillomandibular Advancement in Obstructive Sleep Apnea Syndrome Patients: a Restrospective Study on the Sagittal Cephalometric Variables
OBJECTIVES: The present retrospective study analyzes sagittal cephalometric changes in patients affected by obstructive sleep apnea syndrome submitted to maxillomandubular advancement. MATERIAL AND METHODS: 15 adult sleep apnea syndrome (OSAS) patients diagnosed by polysomnography (PSG) and treated...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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Stilus Optimus
2013
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3886110/ https://www.ncbi.nlm.nih.gov/pubmed/24422033 http://dx.doi.org/10.5037/jomr.2013.4205 |
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author | Ronchi, Paolo Cinquini, Valentina Ambrosoli, Alessandro Caprioglio, Alberto |
author_facet | Ronchi, Paolo Cinquini, Valentina Ambrosoli, Alessandro Caprioglio, Alberto |
author_sort | Ronchi, Paolo |
collection | PubMed |
description | OBJECTIVES: The present retrospective study analyzes sagittal cephalometric changes in patients affected by obstructive sleep apnea syndrome submitted to maxillomandubular advancement. MATERIAL AND METHODS: 15 adult sleep apnea syndrome (OSAS) patients diagnosed by polysomnography (PSG) and treated with maxillomandubular advancement (MMA) were included in this study. Pre- (T1) and postsurgical (T2) PSG studies assessing the apnea/hypopnea index (AHI) and the lowest oxygen saturation (LSAT) level were compared. Lateral cephalometric radiographs at T1 and T2 measuring sagittal cephalometric variables (SNA, SNB, and ANB) were analyzed, as were the amount of maxillary and mandibular advancement (Co-A and Co-Pog), the distance from the mandibular plane to the most anterior point of the hyoid bone (Mp-H), and the posterior airway space (PAS). RESULTS: Postoperatively, the overall mean AHI dropped from 58.7 ± 16 to 8.1 ± 7.8 events per hour (P < 0.001). The mean preoperative LSAT increased from 71% preoperatively to 90% after surgery (P < 0.001). All the patients in our study were successfully treated (AHI < 20 or reduced by 50%). Cephalometric analysis performed after surgery showed a statistically significant correlation between the mean SNA variation and the decrease in the AHI (P = 0.01). The overall mean SNA increase was 6°. CONCLUSIONS: Our findings suggest that the improvement observed in the respiratory symptoms, namely the apnea/hypopnea episodes, is correlated with the SNA increase after surgery. This finding may help maxillofacial surgeons to establish selective criteria for the surgical approach to sleep apnea syndrome patients. |
format | Online Article Text |
id | pubmed-3886110 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2013 |
publisher | Stilus Optimus |
record_format | MEDLINE/PubMed |
spelling | pubmed-38861102014-01-13 Maxillomandibular Advancement in Obstructive Sleep Apnea Syndrome Patients: a Restrospective Study on the Sagittal Cephalometric Variables Ronchi, Paolo Cinquini, Valentina Ambrosoli, Alessandro Caprioglio, Alberto J Oral Maxillofac Res Original Paper OBJECTIVES: The present retrospective study analyzes sagittal cephalometric changes in patients affected by obstructive sleep apnea syndrome submitted to maxillomandubular advancement. MATERIAL AND METHODS: 15 adult sleep apnea syndrome (OSAS) patients diagnosed by polysomnography (PSG) and treated with maxillomandubular advancement (MMA) were included in this study. Pre- (T1) and postsurgical (T2) PSG studies assessing the apnea/hypopnea index (AHI) and the lowest oxygen saturation (LSAT) level were compared. Lateral cephalometric radiographs at T1 and T2 measuring sagittal cephalometric variables (SNA, SNB, and ANB) were analyzed, as were the amount of maxillary and mandibular advancement (Co-A and Co-Pog), the distance from the mandibular plane to the most anterior point of the hyoid bone (Mp-H), and the posterior airway space (PAS). RESULTS: Postoperatively, the overall mean AHI dropped from 58.7 ± 16 to 8.1 ± 7.8 events per hour (P < 0.001). The mean preoperative LSAT increased from 71% preoperatively to 90% after surgery (P < 0.001). All the patients in our study were successfully treated (AHI < 20 or reduced by 50%). Cephalometric analysis performed after surgery showed a statistically significant correlation between the mean SNA variation and the decrease in the AHI (P = 0.01). The overall mean SNA increase was 6°. CONCLUSIONS: Our findings suggest that the improvement observed in the respiratory symptoms, namely the apnea/hypopnea episodes, is correlated with the SNA increase after surgery. This finding may help maxillofacial surgeons to establish selective criteria for the surgical approach to sleep apnea syndrome patients. Stilus Optimus 2013-07-01 /pmc/articles/PMC3886110/ /pubmed/24422033 http://dx.doi.org/10.5037/jomr.2013.4205 Text en Copyright © Ronchi P, Cinquini V, Ambrosoli A, Caprioglio A. Published in the JOURNAL OF ORAL & MAXILLOFACIAL RESEARCH (http://www.ejomr.org), 1 July 2013. http://creativecommons.org/licenses/by-nc-nd/3.0/ This is an open-access article, first published in the JOURNAL OF ORAL & MAXILLOFACIAL RESEARCH, distributed under the terms of the Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 Unported License (http://creativecommons.org/licenses/by-nc-nd/3.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work and is properly cited. The copyright, license information and link to the original publication on http://www.ejomr.org must be included. |
spellingShingle | Original Paper Ronchi, Paolo Cinquini, Valentina Ambrosoli, Alessandro Caprioglio, Alberto Maxillomandibular Advancement in Obstructive Sleep Apnea Syndrome Patients: a Restrospective Study on the Sagittal Cephalometric Variables |
title | Maxillomandibular Advancement in Obstructive Sleep Apnea Syndrome Patients: a Restrospective Study on the Sagittal Cephalometric Variables |
title_full | Maxillomandibular Advancement in Obstructive Sleep Apnea Syndrome Patients: a Restrospective Study on the Sagittal Cephalometric Variables |
title_fullStr | Maxillomandibular Advancement in Obstructive Sleep Apnea Syndrome Patients: a Restrospective Study on the Sagittal Cephalometric Variables |
title_full_unstemmed | Maxillomandibular Advancement in Obstructive Sleep Apnea Syndrome Patients: a Restrospective Study on the Sagittal Cephalometric Variables |
title_short | Maxillomandibular Advancement in Obstructive Sleep Apnea Syndrome Patients: a Restrospective Study on the Sagittal Cephalometric Variables |
title_sort | maxillomandibular advancement in obstructive sleep apnea syndrome patients: a restrospective study on the sagittal cephalometric variables |
topic | Original Paper |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3886110/ https://www.ncbi.nlm.nih.gov/pubmed/24422033 http://dx.doi.org/10.5037/jomr.2013.4205 |
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