2/6/2024 0 Comments Create a hypnogram matlab ecgHowever, these values depend on the microphone, the amplifier, the A/D converter, and the distance between the patient and the microphone. Monitoring of these cases is generally subjective - done by the spouse or partner.Ī few researchers have measure the intensity of sound 9, the energy of sound, and the zero passage rate 10 to quantify snoring more objectively and automatically, and to associate it with OSAHS. The treatment of snoring consists of behavioral measures, CPAP, and surgery. This method is time-consuming, expensive, and inconsistent. In a few cases, an electric recording of snores is made in this case, technicians may manually identify and classify snoring events during polysomnography. At present, technicians in sleep clinics that offer polysomnography describe snoring subjectively - patients are described as non-snorers, moderate snorers, or snorers. Polysomnography is the gold standard in the diagnosis of respiratory sleep disorders. There is evidence that people chronically exposed to snorers tend to have presbycusis (age-related hearing loss) 8. A snorer may become socially unacceptable, loss of harmony in marriage, divorce, aggression, and even homicide may ensue 7. Bed partners of snorers may have poor quality sleep 5, and may develop secondary sleep disorders 6. Snoring is a social inconvenience the noise makes it difficult for spouses, bed partners, or roommates to sleep. Depending on the age, up to 62% of men and 45% of women snore regularly. Snoring is a relevant diagnostic sign of the obstructive apnea syndrome, as most apneic patients snore 4. Systemic arterial hypertension, heart conditions, angina, and strokes are more frequent in snorers 3. Snoring may be defined as noisy breathing produced by vibration of soft tissues in the oropharynx 2. It is important to study these disorders, as human adults sleep about 7.5 h to 8.5 h daily. This computer software makes it easier to generate quantitative reports of snoring, thereby reducing manual labor.Īt present, the International Classification of sleep disorders lists about 90 disorders 1, including snoring, the obstructive sleep apnea hypopnea syndrome (OSAHS), insomnia, narcolepsy, bruxism, restless leg syndrome, and others. We found a statistically significant difference ( p <0.0001) in the duration of snoring episodes (simple snoring x OSA snorers). Of a total 43,976 snoring episodes, the software sensitivity was 99.26%, the specificity was 97.35%, and Kappa was 0.96. Student's T test was applied to evaluate differences in the duration of snoring episodes among simple snorers and OSA snorers. The Kappa approach was applied to measure agreement between the automatic detection software and a trained observer. The snoring sound of 31 patients was automatically classified by the software. The low-sampling (200 Hz) electrical signal that indicates snoring was measured during polysomnography. The aim of this paper was to present and evaluate a computerized tool that automatically identifies snoring and highlights the importance of establishing the duration of each snoring event in OSA patients. Manifestations, such as snoring, are important signs in the diagnosis of the Obstructive Sleep Apnea Syndrome they are also socially undesirable. The International Classification of Sleep Disorders lists 90 disorders.
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