title: Automatic Diagnosis of Obstructive Sleep Apnea/Hypopnea Events Using Respiratory Signals.
abstract: Obstructive sleep apnea is a sleep disorder which may lead to various results. While some studies used real-time systems, there are also numerous studies which focus on diagnosing Obstructive Sleep Apnea via signals obtained by polysomnography from apnea patients who spend the night in sleep laboratory. The mean, frequency and power of signals obtained from patients are frequently used. Obstructive Sleep Apnea of 74 patients were scored in this study. A visual-scoring based algorithm and a morphological filter via Artificial Neural Networks were used in order to diagnose Obstructive Sleep Apnea. After total accuracy of scoring was calculated via both methods, it was compared with visual scoring performed by the doctor. The algorithm used in the diagnosis of obstructive sleep apnea reached an average accuracy of 88.33 %, while Artificial Neural Networks and morphological filter method reached a success of 87.28 %. Scoring success was analyzed after it was grouped based on apnea/hypopnea. It is considered that both methods enable doctors to reduce time and costs in the diagnosis of Obstructive Sleep Apnea as well as ease of use.
authors.affiliation: Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey.
authors.forename: Osman
authors.initials: O
authors.lastname: Aydoğan
authors.affiliation: Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey. alioter@ksu.edu.tr.
authors.forename: Ali
authors.initials: A
authors.lastname: Öter
authors.affiliation: Nuh Naci Yazgan University, Kayseri, Turkey.
authors.forename: Kerim
authors.initials: K
authors.lastname: Güney
authors.affiliation: Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey.
authors.forename: M Kemal
authors.initials: MK
authors.lastname: Kıymık
authors.affiliation: Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey.
authors.forename: Deniz
authors.initials: D
authors.lastname: Tuncel
mesh_terms: D000465:Algorithms; D004562:Electrocardiography; D004569:Electroencephalography; D004576:Electromyography; D006801:Humans; D016571:Neural Networks, Computer; D015203:Reproducibility of Results; D012135:Respiratory Sounds / Q000502:physiology*; D020181:Sleep Apnea, Obstructive / Q000175:diagnosis*
keywords: Artificial neural network; Morphological filter; Obstructive sleep apnea; Sleep disorder; Visual scoring