Cephalometric Assessment of Upper Airway Effects on Craniofacial Morphology

Ardehali, Mojtaba Mohammadi; Zarch, Varasteh Vakili; Joibari, Mohammad-esmaeil; Kouhi, Ali

doi:10.1097/scs.0000000000002388

Cited by 15 publications

(14 citation statements)

References 18 publications

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“…Cephalometry is used to screen for anatomical abnormalities in OSAHS patients. Various studies have shown that the pharyngeal dimensions are correlated with both craniofacial skeletal morphology ( Bacon et al, 1988 ; Wang et al, 2014 ; Yu, Fujimoto & Urushibata, 2003 ) and airway obstruction in OSAHS patients ( Ardehali et al, 2016 ), including those with ANB ( Ceylan & Oktay, 1995 ), SNB ( Ardehali et al, 2016 ), and ANS-PNS ( Yu, Fujimoto & Urushibata, 2003 ). It is well-known that significant differences are apparent between NPOSA and POSA in terms of clinical symptoms, and, theoretically, the characteristics of the craniofacial skeleton may play a role in this context.…”

Section: Discussionmentioning

confidence: 99%

A retrospective study: does upper airway morphology differ between non-positional and positional obstructive sleep apnea?

Xiao

Zou

Liu

et al. 2017

PeerJ

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ObjectiveThe objective of this study was to explore the differences in upper airway morphology between positional (POSA) and non-positional (NPOSA) obstructive sleep apnea.MethodsThis retrospective study enrolled 75 patients (45 NPOSA and 30 POSA) who underwent polysomnography (PSG) and computed tomography (CT). The differences in, and relationships of, the PSG values and CT data between POSA and NPOSA were analyzed.ResultsSignificant (p < 0.05) differences between the two groups were found in the apnea/hypopnea index (AHI), lateral-AHI (L-AHI), soft palate length (SPL), cross-sectional palatopharyngeal area, and the coronal diameter (CD) of the palatopharyngeal area at the narrowest part of the glossopharynx, which were all higher in POSA, except for SPL, AHI, and L-AHI. L-AHI was correlated with the cross-sectional area (r = − 0.306, p = 0.008) and CD (r = − 0.398, p < 0.001) of the palatopharyngeal area, the cross-sectional area (r = − 0.241, p = 0.038) and CD (r = − 0.297, p = 0.010) of the narrowest level of the glossopharynx, the CD of the glossopharynx (r = 0.284, p = 0.013), body mass index (BMI, r = 0.273, p = 0.018), SPL (r = 0.284, p = 0.014), and vallecula-tip of tongue (r = 0.250, p = 0.030). The SPL and CD at the narrowest part of the glossopharynx were included in the simplified screening model.ConclusionsIn NPOSA, the CD of the upper airway was smaller, and the soft palate was longer, than in POSA. These differences may play significant roles in explaining the main differences between NPOSA and POSA.

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Section: Discussionmentioning

confidence: 99%

A retrospective study: does upper airway morphology differ between non-positional and positional obstructive sleep apnea?

Xiao

Zou

Liu

et al. 2017

PeerJ

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show abstract

Section: Discussionmentioning

confidence: 99%

Peer Review #1 of "A retrospective study: does upper airway morphology differ between non-positional and positional obstructive sleep apnea? (v0.1)"

Farrell¹

2017

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To explore the differences in upper airway morphology between positional (POSA) and non-positional (NPOSA) obstructive sleep apnea. Methods: This retrospective study enrolled 75 patients (45 NPOSA and 30 POSA) who underwent polysomnography (PSG) and computed tomography (CT). The differences in, and relationships of, the PSG values and CT data between POSA and NPOSA were analyzed. Results: Significant (p<0.05) differences between the two groups were found in the apnea/hypopnea index (AHI), lateral-AHI (L-AHI), soft palate length (SPL), cross-sectional palatopharyngeal area, and the coronal diameter (CD) of the palatopharyngeal area at the narrowest part of the glossopharynx, which were all higher in POSA, except for SPL, AHI, and L-AHI. L-AHI was correlated with the cross-sectional area (r=-0.306, p=0.008) and CD (r=-0.398, p<0.001) of the palatopharyngeal area, the cross-sectional area (r=-0.241, p=0.038) and CD (r=-0.297, p=0.010) of the narrowest level of the glossopharynx, the CD of the glossopharynx (r=-0.284, p=0.013), body mass index (BMI, r=0.273, p=0.018), SPL (r=0.284, p=0.014), and vallecula-tip of tongue (r=0.250, p=0.030). The SPL and CD at the narrowest part of the glossopharynx were included in the simplified screening model. Conclusions:In NPOSA, the CD of the upper airway was smaller, and the soft palate was longer, than in POSA. These differences may play significant roles in explaining the main differences between NPOSA and POSA.

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“…Cephalometry is used to screen for anatomical abnormalities in OSAHS patients. Various studies have shown that the pharyngeal dimensions are correlated with both craniofacial skeletal morphology (Bacon et al 1988;Wang et al 2014;Yu XJ,;Fujimoto K, Urushibata K 2003) and airway obstruction in OSAHS patients (Ardehali et al 2016), including those with ANB (Ceylan & Oktay, 1995), SNB (Ardehali et al 2016), and ANS-PNS (Yu XJ, Fujimoto K & Urushibata K. 2003). It is well-known that significant differences are apparent between NPOSA and POSA in terms of clinical symptoms, and, theoretically, the characteristics of the craniofacial skeleton may play a role in this context.…”

Section: Manuscript To Be Reviewedmentioning

confidence: 99%

Peer Review #3 of "A retrospective study: does upper airway morphology differ between non-positional and positional obstructive sleep apnea? (v0.2)"

Faverio¹

2017

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To explore the differences in upper airway morphology between positional (POSA) and non-positional (NPOSA) obstructive sleep apnea. Methods: This retrospective study enrolled 75 patients (45 NPOSA and 30 POSA) who underwent polysomnography (PSG) and computed tomography (CT). The differences in, and relationships of, the PSG values and CT data between POSA and NPOSA were analyzed. Results: Significant (p<0.05) differences between the two groups were found in the apnea/hypopnea index (AHI), lateral-AHI (L-AHI), soft palate length (SPL), cross-sectional palatopharyngeal area, and the coronal diameter (CD) of the palatopharyngeal area at the narrowest part of the glossopharynx, which were all higher in POSA, except for SPL, AHI, and L-AHI. L-AHI was correlated with the cross-sectional area (r=-0.306, p=0.008) and CD (r=-0.398, p<0.001) of the palatopharyngeal area, the cross-sectional area (r=-0.241, p=0.038) and CD (r=-0.297, p=0.010) of the narrowest level of the glossopharynx, the CD of the glossopharynx (r=-0.284, p=0.013), body mass index (BMI, r=0.273, p=0.018), SPL (r=0.284, p=0.014), and vallecula-tip of tongue (r=0.250, p=0.030). The SPL and CD at the narrowest part of the glossopharynx were included in the simplified screening model. Conclusions: In NPOSA, the CD of the upper airway was smaller, and the soft palate was longer, than in POSA. These differences may play significant roles in explaining the main differences between NPOSA and POSA.

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Cephalometric Assessment of Upper Airway Effects on Craniofacial Morphology

Cited by 15 publications

References 18 publications

A retrospective study: does upper airway morphology differ between non-positional and positional obstructive sleep apnea?

A retrospective study: does upper airway morphology differ between non-positional and positional obstructive sleep apnea?

Peer Review #1 of "A retrospective study: does upper airway morphology differ between non-positional and positional obstructive sleep apnea? (v0.1)"

Peer Review #3 of "A retrospective study: does upper airway morphology differ between non-positional and positional obstructive sleep apnea? (v0.2)"

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