Osas incidence in septal deviation Mladina type 7

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Ayse Karaogullarindan
Sanem Oksan Erkan
Birgul Tuhanioglu
Zeynel Abidin Erkan


Aim: Obstructive sleep apnea syndrome (OSAS) is a disease that progresses with attacks of upper respiratory tract obstruction during sleep, causing recurrent hypoxia as a result. These obstructions usually occur due to mechanical (septum deviation, concha bullosa, concha hypertrophy) or inflammatory (acute/chronic rhinitis) causes and pose a risk for OSAS. Therefore, clinical and radiographic findings guide the diagnosis of the disease. Among the radiographic examinations, the most common, thin-section paranasal computed tomography (CT) is used for determining the obstruction site and preoperative treatment planning. In this study, we aimed to investigate the paranasal BT findings of OSAS patients.

Materials and Methods: Patients with OSAS were included in the study. Seven hundred seventy-seven patients whose paranasal CT results were registered in the hospital information system and met the inclusion criteria were included in the study. 

Results: When the patients were evaluated according to the paranasal CT findings, the most common finding was deviation of the septum, followed by the agger nasi cells.  Type 7 deviation according to Mladina  classification in OSAS was significantly higher than simple snoring and type 1 deviation in mild OSAS was significantly higher than moderate-severe OSAS (p <0.05) All other deviations, except type 1 deviation, were seen most frequently in severe OSAS. The most common sinonasal pathology in all groups is the agger nassi cell. All sinonasal pathologies were most common in the severe OSAS group.

Conclusion: As a result, ıt should not be forgotten that OSAS may be observed when we detect Mladina type 7 septum deviation in patients who come to the ENT outpatient clinic with suspicion of sleep apnea, and we should refer them to the sleep clinic for PSG. The physician's knowledge of nasal-sinus anatomy and variations through imaging will be a guide for both diagnosis and surgical treatments.


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Karaogullarindan, A., Erkan, S. O., Tuhanioglu, B., & Erkan, Z. A. (2023). Osas incidence in septal deviation Mladina type 7. Annals of Medical Research, 30(2), 203–207. Retrieved from https://annalsmedres.org/index.php/aomr/article/view/4209
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