Evaluation of Complex Upper Airway Obstruction in Children Using Cine-MRI: A Single-Center Experience and Literature Review.

However, a positive trend between AHI and FC of the nasopharynx at both the AP and the transverse dimensions was noted (Figure 2 - Graphs 1 and 2).

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There was a positive correlation between the apnea-hypopnea index (AHI) and FC in the anteroposterior dimension at the nasopharyngeal and the oropharyngeal levels, but it did not reach statistical significance.

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