Researcher:
Yaycıoğlu, Arda

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Undergraduate Student

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Arda

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Yaycıoğlu

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Yaycıoğlu, Arda

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Now showing 1 - 2 of 2
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    Publication
    A rare presentation of erythema elevatum diutinum with annular lesions on the trunk
    (Wiley, 2021) Anadolu, Rana; Yaycıoğlu, Arda; Vural, Seçil; Undergraduate Student; Faculty Member; School of Medicine; School of Medicine; N/A; 189340
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    PublicationOpen Access
    Pediatric laryngeal measurements based on computed tomography images
    (Aves, 2022) Ünsaler, Selin; Gökler, Ozan; Aygün, Murat Serhat; Şahin, Selin Merve; Yaycıoğlu, Arda; Altuntaş, Muzaffer Ozan; Ünal, Ömer Faruk; Hafız, Ayşenur Meriç; Teaching Faculty; Teaching Faculty; Undergraduate Student; Other; Faculty Member; School of Medicine; Koç University Hospital; 167909; N/A; N/A; N/A; N/A; N/A; N/A; N/A
    Background: this study aimed to establish average laryngeal measurements in the Turkish pediatric population and measure the narrowest portion of the pediatric airway. Methods: the laryngeal measurements of 88 pediatric patients between the ages 0 and 17 were retrospectively obtained from neck computed tomography scans performed between January 2018 and May 2021. Subjects were divided into 6 age groups. Four following measurements were made: cricoid anteroposterior, cricoid transverse, subglottic anteroposterior, and subglottic transverse. Cross-sectional areas were calculated using these dimensions. Subglottic cross-sectional area/cricoid crosssectional area ratio for each subject was calculated and patients were divided into 2 groups: group 1, subjects with ratio < 1; group 2, subjects with ratio ? 1. Results: mean age was 8.97 ± 5.7. Mean anteroposterior diameters at subglottis and cricoid ring levels were 13.74 ± 4.45 mm and 13.26 ± 4.39 mm; mean transverse diameters were 7.88 ± 2.62 mm and 9.06 ± 3.12 mm, respectively. The subglottic anteroposterior diameter was greater than cricoid (P < .001), but the transverse diameter was smaller than cricoid (P < .001). Subglottic cross-sectional area was 93.24 ± 59.20 mm2 and cricoid cross-sectional area was 103.61 ± 69.15 mm2 . Subglottic cross-sectional area/cricoid cross-sectional area ratio was smaller than 1 in 69 subjects (group 1; mean=0.85) and equal to or greater than 1 in 19 subjects (group 2; mean=1.33). Conclusion: the narrowest portion of the airway was subglottis immediately below the vocal cords, in contrast to the common belief as to the cricoid ring. Subglottic cross-sectional area/cricoid cross-sectional area ratios showed that the pediatric airway was larger at cricoid (69 subjects, 78.4%), and this ratio does not differ based on age.