eISSN: 1896-9151
ISSN: 1734-1922
Archives of Medical Science
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6/2020
vol. 16
 
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Laboratory diagnostics
abstract:
Clinical research

Assessment of the relationship between endocan and obstructive sleep apnea severity

Hamdi Pusuroglu
1
,
Umut Somuncu
1
,
Ismail Bolat
2
,
Ozgur Akgul
1
,
Hayriye Ak Yıldırım
3
,
Sinem Ozbay Ozyilmaz
1
,
Vesile Ornek
3
,
Ozgur Surgit
1
,
Huseyin Karakurt
1
,
Ayfer Utkusavas
4
,
Nermina Alagic
1
,
Aydın Yıldırım
1

1.
Department of Cardiology, Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Center, Training and Research Hospital, Istanbul, Turkey
2.
Department of Cardiology, Fethiye State Hospital, Mugla, Turkey
3.
Department of Biochemistry, Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Center, Training and Research Hospital, Istanbul, Turkey
4.
Department of Chest, Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Center, Training and Research Hospital, Istanbul, Turkey
Arch Med Sci 2020; 16 (6): 1346–1352
Online publish date: 2020/08/03
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Introduction
Obstructive sleep apnea (OSA) and endothelial dysfunction are associated with cardiovascular risk factors and the development of atherosclerosis. Endocan is a marker of endothelial dysfunction, while obstructive sleep apnea is one of the causes of endothelial dysfunction. In this study, we investigated the relationship between endocan and obstructive sleep apnea severity.

Material and methods
A total of 179 patients with snoring complaints were included. All patients underwent polysomnography, and based on the results, the participations were allocated to the control group (n = 39) or to the obstructive sleep apnea group n = 140). The OSA group was classified as having mild (apnea-hypopnea index (AHI) = 5–15; n = 43), moderate (AHI = 15–30; n = 42), or severe OSA (AHI > 30; n = 55). All participations had their endocan levels measured.

Results
Endocan levels in OSA patients were significantly higher than in the control group (11.8 (3.13–200) vs 3.13 (3.13–23) ng/ml, p < 0.001). Also, endocan levels were significantly higher in the severe OSA group than moderate and mild obstructive OSA (13.2 (3.13–200), 12.6 (3.13–200) and 8.44 (3.13–50.5) ng/ml, p = 0.015, respectively). Multiple logistic regression analysis showed that smoking, age and endocan levels were independent predictors of OSA severity (p = 0.024, p = 0.037, p = 0.004, respectively).

Conclusions
Endocan seems to be a potential risk stratification marker in this patient population.

keywords:

endocan, obstructive sleep apnea, obstructive sleep apnea severity

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