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  • Korean Society of Otorhinolaryngology-Head and Neck Surgery  (7)
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  • Korean Society of Otorhinolaryngology-Head and Neck Surgery  (7)
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  • 1
    Online Resource
    Online Resource
    A Study on the Effects of Mucous Membrane of the Sinus by Severity of Sleep Breathing Disorder
    Korean Society of Otorhinolaryngology-Head and Neck Surgery ; 2023
    In:  Korean Journal of Otorhinolaryngology-Head and Neck Surgery Vol. 66, No. 1 ( 2023-01-21), p. 20-24
    Details
    In: Korean Journal of Otorhinolaryngology-Head and Neck Surgery, Korean Society of Otorhinolaryngology-Head and Neck Surgery, Vol. 66, No. 1 ( 2023-01-21), p. 20-24
    Abstract: Background and Objectives Obstructive sleep apnea (OSA) is an obstructive airflow disorder that occurs in the upper respiratory tract during sleep and is therefore associated with the occurrence of cardiovascular diseases. By examining the Lund-Mackay (L-M) scores and maxillary sinus mucosal conditions according to the severity of sleep breathing disorder (SBD), we tried to find out the association between SBD and sinus mucosal change.Subjects and Method Of the 189 patients who underwent sinus CT with a polysomnography test, 175 patients were enrolled in our study. We investigated the average L-M score and L-M score of five or higher, and the ratio of maxillary sinus mucosal thickness (MSMT) of 2 mm or higher.Results The average L-M score of study population was 0.98 points and the L-M score of five or more was found in 14 patients (8%). The MSMT of 2 mm or more was found in 25.5% of the study group. The average L-M scores for the different groups, namely, the simple snoring group, the mild OSA, the moderate OSA, and the severe OSA were 1.31 points, 0.77 points, 0.91 points, and 1.08 points, respectively. There was no significant difference ( 〈 i 〉 p 〈 /i 〉 =0.736) among them, and there was no correlation between the apnea-hypopnea index score and the L-M score (r=-0.052, 〈 i 〉 p 〈 /i 〉 =0.499). There was no significant difference between OSA severity and MSMT ( 〈 i 〉 p 〈 /i 〉 =0.490).Conclusion There was no significant difference between the L-M score and MSMT depending on the severity of SBD. Therefore, it is believed that SBD will have little effect on the sinus mucosa.
    Type of Medium: Online Resource
    ISSN: 2092-5859
    URL: Article
    DOI: 10.3342/kjorl-hns.2022.00234
    Language: English
    Publisher: Korean Society of Otorhinolaryngology-Head and Neck Surgery
    Publication Date: 2023
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  • 2
    Online Resource
    Online Resource
    A Radiological Study on the Location of Nasolacrimal Duct in Koreans
    Korean Society of Otorhinolaryngology-Head and Neck Surgery ; 2023
    In:  Korean Journal of Otorhinolaryngology-Head and Neck Surgery Vol. 66, No. 6 ( 2023-06-21), p. 381-386
    Details
    In: Korean Journal of Otorhinolaryngology-Head and Neck Surgery, Korean Society of Otorhinolaryngology-Head and Neck Surgery, Vol. 66, No. 6 ( 2023-06-21), p. 381-386
    Abstract: Background and Objectives The prelacrimal recess (PA) approach can be used to remove PA lesions while preserving the nasolacrimal duct (NLD). In this regard, it is important to understand the anatomical structure of NLD in relation to the lateral nasal wall. The purpose of this study was to measure NLD and the surrounding structure using the sinus CT.Subjects and Method We used the coronal, axial, and sagittal images to measure the following areas: a distance (M1) between nostril and the most anterior part of the lower end of NLD (NLD-LE); a vertical distance (M2) between the attachment line of inferior turbinate (IT) to lateral wall and the NLD-LE; a distance (M3) between the NLD-LE and nasal cavity floor (NF); a diameter (M4) of the NLD-LE; and an angle (M5) between NF and the extended line of the diameter of the NLD-LE.Results The right side of M1 was 26.45±3.69 mm and the left was 25.95±3.77 mm. The right side of M2 was 1.36±2.07 mm and the left was 0.98±1.86 mm. The right side of M3 was 17.39±3.46 mm and the left was 17.52±3.15 mm. The right side of M4 was 7.89±1.66 mm and the left was 7.96±1.60 mm. The right side of M5 was 46.69°±9.97° and the left was 45.04°± 10.25°.Conclusion In Korean adults, on the average, the NLD-LE was present at 25 mm and 45° from the nasal entrance, 17 mm above the NF, and the diameter of NLD-LE was 8 mm. The NLD-LE is adjacent to the lateral wall attachment of the IT, but there may be individual differences.
    Type of Medium: Online Resource
    ISSN: 2092-5859
    URL: Article
    DOI: 10.3342/kjorl-hns.2022.00395
    Language: English
    Publisher: Korean Society of Otorhinolaryngology-Head and Neck Surgery
    Publication Date: 2023
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  • 3
    Online Resource
    Online Resource
    A Study on the Possibility of Neurological Morbidity of Prelacrimal Recess Approach Depending on Anatomical Differences
    Korean Society of Otorhinolaryngology-Head and Neck Surgery ; 2024
    In:  Korean Journal of Otorhinolaryngology-Head and Neck Surgery Vol. 67, No. 1 ( 2024-01-21), p. 16-21
    Details
    In: Korean Journal of Otorhinolaryngology-Head and Neck Surgery, Korean Society of Otorhinolaryngology-Head and Neck Surgery, Vol. 67, No. 1 ( 2024-01-21), p. 16-21
    Abstract: Background and Objectives The maxillary sinus disease is mainly treated through the middle meatal antrostomy, but there is a disadvantage in that it does not approach the lesions of the anterior wall of the maxillary sinus. On the other hand, the prelacrimal recess approach (PLA) can be used to access the lesions of the anterior wall of the maxillary sinus. However, complications after PLA may include nasal bleeding, infection, epiphora, and neurological symptoms. We investigated the possibility of neurological morbidity (anterior superior alveolar nerve injury) after PLA by imaging.Subjects and Method A total of 253 people were studied by using 506 samples of paranasal sinus CT. According to the Simmen and Arosio methods, the study groups were classified into the following categories: PLA type I ( 〈 3 mm), type II (3-7 mm), and type III ( 〉 7 mm), internal angle of pyriform notch (IAPN), type A (below 45°), type B (from 45° to 60°), and type C (60° excessive).Results Of the PLA types, the IAPN value was the largest in the type III and smallest in the type I, and there were significant differences among the three groups ( 〈 i 〉 p 〈 /i 〉 〈 0.001).Conclusion CT Evaluation prior to PLA would help physicians to predict the likelihood of neurological morbidity such as maxillary sensory abnormalities.
    Type of Medium: Online Resource
    ISSN: 2092-5859
    URL: Article
    DOI: 10.3342/kjorl-hns.2023.00199
    Language: English
    Publisher: Korean Society of Otorhinolaryngology-Head and Neck Surgery
    Publication Date: 2024
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  • 4
    Online Resource
    Online Resource
    A Radiological Study on the Location of Sphenopalatine Foramen in Koreans
    Korean Society of Otorhinolaryngology-Head and Neck Surgery ; 2023
    In:  Korean Journal of Otorhinolaryngology-Head and Neck Surgery Vol. 66, No. 12 ( 2023-12-21), p. 843-848
    Details
    In: Korean Journal of Otorhinolaryngology-Head and Neck Surgery, Korean Society of Otorhinolaryngology-Head and Neck Surgery, Vol. 66, No. 12 ( 2023-12-21), p. 843-848
    Abstract: Background and Objectives Endoscopic ligation or cauterization of the sphenopalatine artery (SPA) is used to treat intractable bleeding. Acquisition of intranasal anatomical landmarks can be helpful for locating the sphenopalatine foramen (SPF). The purpose of this study is to evaluate the clinical usefulness of endoscopy by selecting the radioanatomical landmarks for the location of the SPF.Subjects and Method Sinus CT was performed on a total of 271 people, and a study was conducted on bilateral 542 sides. In this study, seven landmarks included third lamella, posterior choana, posterior fontanelle, maxillary line, anterior head of middle turbinate, nasal floor, and bony attached part of inferior turbinate. The distances from the seven landmarks to SPF were measured, respectively. Additionally, the distance from the anterior nasal spine to SPF and the angle between the nasal floor and SPF were measured.Results The horizontal position of SPF was located at the middle point between the posterior choana and the third lamella, and the vertical position was around 13-14 mm upward from the bony attached part of the inferior turbinate. For the performed middle meatal antrostomy, the distance from the posterior fontanelle to SPF was around 12-13 mm behind. The average distance from the anterior nasal spine to SPF was 46.47 mm, and the angle between the nasal floor and the SPF was 29.76°.Conclusion The four landmarks, namely the posterior choana, third lamella, bony attached part of the inferior turbinate, and posterior fontanelle can be useful for locating SPF.
    Type of Medium: Online Resource
    ISSN: 2092-5859
    URL: Article
    DOI: 10.3342/kjorl-hns.2023.00192
    Language: English
    Publisher: Korean Society of Otorhinolaryngology-Head and Neck Surgery
    Publication Date: 2023
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  • 5
    Online Resource
    Online Resource
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    Korean Society of Otorhinolaryngology-Head and Neck Surgery ; 2023
    In:  Korean Journal of Otorhinolaryngology-Head and Neck Surgery
    Details
    In: Korean Journal of Otorhinolaryngology-Head and Neck Surgery, Korean Society of Otorhinolaryngology-Head and Neck Surgery
    Type of Medium: Online Resource
    ISSN: 2092-5859 , 2092-6529
    URL: Article
    DOI: 10.3342/kjorl-hns.2023.00241
    Language: English
    Publisher: Korean Society of Otorhinolaryngology-Head and Neck Surgery
    Publication Date: 2023
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  • 6
    Online Resource
    Online Resource
    Magnetic Resonance Imaging Compatibility of the Polymer-based Cochlear Implant
    Korean Society of Otorhinolaryngology-Head and Neck Surgery ; 2012
    In:  Clinical and Experimental Otorhinolaryngology Vol. 5, No. Suppl 1 ( 2012), p. S19-
    Details
    In: Clinical and Experimental Otorhinolaryngology, Korean Society of Otorhinolaryngology-Head and Neck Surgery, Vol. 5, No. Suppl 1 ( 2012), p. S19-
    Type of Medium: Online Resource
    ISSN: 1976-8710 , 2005-0720
    URL: Article
    DOI: 10.3342/ceo.2012.5.S1.S19
    Language: English
    Publisher: Korean Society of Otorhinolaryngology-Head and Neck Surgery
    Publication Date: 2012
    detail.hit.zdb_id: 2491719-9
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  • 7
    Online Resource
    Online Resource
    Endoscopically Applied Biodegradable Stent in a Rabbit Model of Pediatric Tracheomalacia
    Korean Society of Otorhinolaryngology-Head and Neck Surgery ; 2021
    In:  Clinical and Experimental Otorhinolaryngology Vol. 14, No. 3 ( 2021-08-01), p. 328-337
    Details
    In: Clinical and Experimental Otorhinolaryngology, Korean Society of Otorhinolaryngology-Head and Neck Surgery, Vol. 14, No. 3 ( 2021-08-01), p. 328-337
    Abstract: Objectives. A polydioxanone (PDO) stent was developed to treat tracheomalacia in pediatric patients. However, its safety and efficacy need to be verified in animal studies before clinical trials in patients can be conducted. This study evaluated the safety and efficacy of a PDO stent in normal and tracheomalacia-model rabbits.Methods. In total, 29 New Zealand white rabbits were used: 13 for evaluating the biocompatibility of the PDO stent in normal rabbits and 16 for the creation of a tracheomalacia model. The tracheomalacia model was successfully established in 12 rabbits, and PDO stents were placed in eight of those rabbits.Results. The PDO stent was successfully positioned in the trachea of the normal rabbits using an endoscopic approach, and its degradation was observed 10 weeks later. The stent fragments did not induce distal airway obstruction or damage, and the mucosal changes that occurred after stent placement were reversed after degradation. The same procedure was performed on the tracheomalacia-model rabbits. The survival duration of the tracheomalacia rabbits with and without stents was 49.0±6.8 and 1.0±0.8 days, respectively. Thus, the PDO stent yielded a significant survival gain (P=0.001). In the tracheomalacia rabbits, stent degradation and granulation tissue were observed 7 weeks after placement, leading to airway collapse and death.Conclusion. We successfully developed a PDO stent and an endoscopic guide placement system. The degradation time of the stent was around 10 weeks in normal rabbits, and its degradation was accelerated in the tracheomalacia model. The mucosal changes associated with PDO stent placement were reversible. Placement of the PDO stent prolonged survival in tracheomalacia-model rabbits.
    Type of Medium: Online Resource
    ISSN: 1976-8710 , 2005-0720
    URL: Article
    DOI: 10.21053/ceo.2020.01627
    Language: English
    Publisher: Korean Society of Otorhinolaryngology-Head and Neck Surgery
    Publication Date: 2021
    detail.hit.zdb_id: 2491719-9
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