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Yıl:2016; Cilt: 3; Sayı: 2>> Özet
TAM METİN
Türk Uyku Tıbbı Dergisi; 2016;3(2):43-47
Obstrüktif Uyku Apne Sendromlu Hastalarda Hipoksinin Göz Üzerine Etkileri
ÖO Tapan, U Tapan, ÜS Kılıç
Dokuz Eylül Üniversitesi, İzmir
Giriş: Obstrüktif uyku apne sendromunda (OUAS) hipoksi, perfüzyon basıncı değişiklikleri, sistemik hipertansiyon, vazospazm, kan vizkositesinde ve küçük damar direncinde artış göz dokularında iskemiye neden olabilir. Bu çalışmada, değişik şiddetlerdeki OUAS’lı hastalarda doku hipoksisine bağlı göz bulgularında (koroid ve kornea kalınlıkları) etkilenme varlığının değerlendirilmesi amaçlanmıştır. Gereç ve Yöntem: Birbirleri ile yaş ve cinsiyet özellikleri uyumlu, eşlik eden komorbiditesi bulunmayan 20 ağır, 17 orta, 16 hafif şiddette OUAS’lı hasta ve 16 kişilik kontrol grubu spektral optik koherens tomografi (OKT) ile değerlendirilmiştir. Olguların OKT ile santral kornea kalınlığı, subfoveal, temporal ve nazal koroid kalınlıkları ölçülmüştür. Bulgular: Çalışmaya katılan hastaların ortalama yaşı 52,3±10,6; kontrol grubunun 48,8±12,1’dir. %23,1’i kadın, %76,9’u erkektir. OUAS grubunda ortalama kornea kalınlığı 560,2±31,1/563,5±29,1 µm, kontrol grubunda ise 560,6±30,4/567,1±28,2 µm ölçülmüştür (p=0,52/p=0,29). OUAS şiddetine göre ayrılan olgu ve kontrol gruplarının ölçülen koroid kalınlıkları (ağır: 228,3±16,8/240,5±17,8; orta: 236,0±21,6/232,4±18,5; hafif: 241,3±23,6/242,6±20,9; kontrol: 267,8±18,6/271,6±18,6 µm) arasında istatistiksel olarak anlamlı farklar bulunmuştur (p<0,001). Sonuç: Çalışmamızda OUAS şiddeti arttıkça koroid kalınlığının inceldiği saptanmıştır. Kornea kalınlığının ise OUAS’tan etkilenmediği düşünülmüştür.
Effects of Hypoxia on the Eye in Patients with Obstructive Sleep Apnea Syndrome
Objective: Hypoxia, perfusion pressure changes, systemic hypertension, vasospasm, increase in blood viscosity and small vessels’ resistance may cause ischemia in Obstructive sleep apnea syndrome (OSAS). The aim of this study is to assess the effect of hypoxia on the eye (choroidal and corneal thicknesses) in patients with OSAS. Materials and Methods: In this observational study age and gendermatched 20 severe, 17 modarate, 16 mild OSAS patients without any comorbidity and a control group of 16 healthy subjects were examined with spectral-domain optic coherence tomography (OCT). The central corneal thickness (CCT), subfoveal, and temporal and nasal choroidal thicknesses of the patients were measured by OCT. Results: The mean age of OSAS patients was 52.3±10.6 and 48.8±12.1 in control subjects. Female and male patients made up 23.1% and 76.9%, respectively. The mean CCT of OSAS patients was 560.2±31.1/563.5±29.1 µm, whereas the mean CCT was 560.6±30.4/567.1±28.2 µm in control group (p=0.52/p=0.29). There were significant differences (p<0.001) in choroidal thickness (severe: 228.3±16.8/240.5±17.8; moderate: 236.0±21.6/232.4±18.5; mild: 241.3±23.6/242.6±20.9; control: 267.8±18.6/271.6±18,6 µm) between patients and control groups who were separated by their OSAS severity. Conclusion: In our study choroidal thickness became thinner with increasing OSAS severity. On the other hand, corneal thickness did not seem to be affected from OSAS.

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