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  • CT comparison of primary snoring and obstructive sleep apnea syndrome : role of pharyngeal narrowing ratio and soft palate-tongue contact in awake patient
    Koren, Aleš, 1966- ; Dolenc-Grošelj, Leja ; Fajdiga, Igor
    Soft palate-tongue contact and automatically calculated pharyngeal narrowing ratio (PNR), defined as a ratio between the airway cross-section at the hard palate level and the narrowest cross-section ... from the hard palate to the epiglottis, could assist in earlier identification of potential obstructive sleep apnea syndrome (OSA) patients even on awake individuals. Parameters werestudied on carotid CTA images from 67 consecutively included awake Caucasians who were later classified by second independent physician into the primary snorers (SNORE, n = 34) or obstructive sleep apnea syndrome patient (OSA, n = 33) group according to the clinical examination, laboratory testing and a full-night video polysomnography (PSG) in the sleep laboratory. Imaging and clinical data were statistically compared between groups. The odd's ratio calculation showed a 2.95 (P = 0.0354) higher risk for OSA development in snoring person with a PNR greater than 8.6. The loose-contact subgroup among OSA patients showed significantly (P = 0.002) higher values of AHI in contrastto the in-contact subgroup.
    Source: European archives of oto-rhino-laryngology. - ISSN 0937-4477 (Letn. 266, št. 5, 2009, str. 727-734)
    Type of material - article, component part
    Publish date - 2009
    Language - english
    COBISS.SI-ID - 27134937
    DOI