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Somnoscreen plus tele psg

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The Somnoscreen Plus Tele PSG is a polysomnography device designed for sleep studies. It is capable of recording various physiological signals during sleep, including brain activity, eye movements, muscle activity, and respiratory parameters.

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Close spelling variants of this product

SOMNOscreen™ PSG Tele SOMNOscreen™ plus (PSG+), SOMNOscreen plus SOMNOscreen

8 protocols using somnoscreen plus tele psg

1

Comprehensive Sleep Evaluation: Cardiorespiratory Polygraphy and Polysomnography

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Full-night cardiorespiratory polygraphy and polysomnography were performed using the Somnoscreen Plus Tele PSG (Somnomedics GmbH Germany) as described previously49 (link). Sleep stages, movements and cardiopulmonary events were scored manually according to the American Academy of Sleep Medicine (AASM) guideline50 . Apnoea was defined as a 90% decrease in airflow lasting for at least 10 s. Hypopnoea was defined as at least 30% decrease in airflow which lasted for more than 10 s with a ≥ 3% oxygen desaturation or an arousal. Total sleep time (TST), sleep period time (SPT) and minimal oxygen saturation (MinSatO2) were recorded, apnoea-hypopnoea index (AHI), oxygen desaturation index (ODI), total sleep time with saturation below 90% (TST90%) and arousal index (AI) were calculated to evaluate the severity of OSA. OSA was defined with an AHI > 5/h.
Meszaros M., Kis A., Kunos L., Tarnoki A.D., Tarnoki D.L., Lazar Z, & Bikov A. (2020). The role of hyaluronic acid and hyaluronidase-1 in obstructive sleep apnoea. Scientific Reports, 10, 19484.
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2

Polysomnographic Assessment of Sleep Disorders

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Polysomnography was performed as described previously [23 (link)] using SOMNOscreen Plus Tele PSG (SOMNOmedics GMBH Germany). Briefly, electroencephalogram, electrooculogram and electromyogram, thoracic and abdominal respiratory excursions, breath sounds, nasal pressure, electrocardiogram and oxygen saturation were registered [24 (link)]. Sleep stages, movements and cardiopulmonary events were scored manually according to the American Academy of Sleep Medicine (AASM) guidelines [25 (link)]. Total sleep time (TST), sleep period time (SPT), percentage of total sleep time spent in rapid eye movement stage (REM%), percentage of total sleep time spent with saturation below 90% (TST90%) and minimal O2 saturation (minSatO2) were recorded; Apnoea-hypopnoea index (AHI), oxygen desaturation index (ODI) and arousal index (AI) were calculated. AHI was evaluated both during REM (AHIREM) and non-REM (AHINREM) sleep. Obstructive sleep apnoea was defined as having an AHI ≥ 5/h, while REM-dependent OSA as having an AHIREM ≥ 5/h, but AHINREM < 5/h.
Bikov A., Lazar Z., Horvath P., Tarnoki D.L., Tarnoki A.D., Fesus L., Horvath M., Meszaros M., Losonczy G, & Kunos L. (2019). Association Between Serum Lipid Profile and Obstructive Respiratory Events During REM and Non-REM Sleep. Lung, 197(4), 443-450.
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3

Sleep Apnea Assessment Protocol

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Sleep studies were performed with the Somnoscreen Plus Tele PSG and the Somnoscreen RC devices (Somnomedics GmbH) between 22:00 and 06:00 as described previously20 . Apnoea was defined by a 90% decrease of the nasal airflow, which lasted for more than 10 s, and hypopnea was defined as at least 30% airflow decrease lasting for at least 10 s, which related to a ≥ 3% oxygen desaturation or an arousal. We recorded the total sleep time (TST) and sleep period time (SPT). Apnoea-hypopnoea index (AHI), oxygen desaturation index (ODI) and percentage of time spent with oxygen saturation below 90% (TST90%) were calculated as markers of OSA severity. Sleep efficiency was calculated as TST/SPT. OSA was defined by an AHI ≥ 5/hours.
Tarnoki A.D., Tarnoki D.L., Oláh C., Szily M., Kovacs D.T., Dienes A., Piroska M., Forgo B., Pinheiro M., Ferreira P., Kostyál L., Meszaros M., Pako J., Kunos L, & Bikov A. (2021). Lumbar spine abnormalities in patients with obstructive sleep apnoea. Scientific Reports, 11, 16233.
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4

Comprehensive Sleep Apnea Assessment

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Inpatient polysomnography and cardiorespiratory polygraphy were performed as described previously [2 (link),3 (link),4 (link)] using Somnoscreen Plus Tele PSG (Somnomedics GMBH Germany). Sleep stages, movements and cardiopulmonary events were scored manually according to the American Academy of Sleep Medicine [24 (link)] guidelines. Apnoea was defined as a 90% airflow decrease, which lasted for more than 10 s, and hypopnoea was defined as at least 30% airflow decrease lasting for at least 10 s, which was related to a ≥3% oxygen desideration or an arousal. Total sleep time (TST), sleep period time (SPT), total sleep time spent with oxygen saturation below 90% (TST90%) and minimal oxygen saturation (minSatO2) were recorded, and apnoea–hypopnoea index (AHI), oxygen desaturation index (ODI) and arousal index (AI) were calculated. Obstructive sleep apnoea was defined as having an AHI ≥ 5/h.
Bocskei R.M., Meszaros M., Tarnoki A.D., Tarnoki D.L., Kunos L., Lazar Z, & Bikov A. (2020). Circulating Soluble Urokinase-Type Plasminogen Activator Receptor in Obstructive Sleep Apnoea. Medicina, 56(2), 77.
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5

Assessing Sleep Events in COPD Patients

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All subjects with confirmed COPD underwent assessment of sleep events with a multichannel sleep diagnostic system (SOMNOscreen Plus Tele PSG, SOMNOmedics GmbH, Germany) in the sleep laboratory for no less than 7 hrs monitoring at night. All tracings were manually scored according to the American Academy of Sleep Medicine criteria.20 (link) Subjects who experienced AHI ≥5 events/hour during sleep were considered to have OSA. Depending on the AHI, OSA severity is divided into mild (5–14.9), moderate (15–29.9), or severe (≥30).20 (link)
Xiong M., Hu W., Dong M., Wang M., Chen J., Xiong H., Zhong M., Jiang Y., Liu D, & Hu K. (2019). The Screening Value Of ESS, SACS, BQ, And SBQ On Obstructive Sleep Apnea In Patients With Chronic Obstructive Pulmonary Disease. International Journal of Chronic Obstructive Pulmonary Disease, 14, 2497-2505.
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6

Overnight PSG for Diagnosing Obesity-related Ventilatory Syndrome

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All patients underwent overnight PSG (SOMNOscreen Plus Tele PSG, SOMNOmedics GmbH, Randersacker, Germany) in the hospital’s sleep-monitoring room. The parameters investigated included airflow, electroencephalography, electrooculography, electrocardiography, electromyography, thoracic and abdominal respiratory effort, snoring, body position, and pulse oxygen saturation (SaO2). The apnea–hypopnea index (AHI), average SaO2 (mean SaO2), lowest SaO2 (min SaO2), oxygen desaturation index (ODI), and percentage of total sleep time spent with SaO2 <90% (TS90) were recorded by PSG. Standard PSG was performed by trained sleep technicians and the recordings were analyzed according to the criteria outlined in the 2016 American Academy of Sleep Medicine (AASM) Manual v.2.3.17 All patients were diagnosed with OVS if they had an AHI ≥ 15 events/h, and OVS was further dichotomized into those with an AHI of 15 to <30 events/h and those with an AHI ≥ 30 events/h. All OSA patients are newly diagnosed patients and have not been treated with CPAP.
Zeng Z., Song Y., He X., Yang H., Yue F., Xiong M, & Hu K. (2022). Obstructive Sleep Apnea is Associated with an Increased Prevalence of Polycythemia in Patients with Chronic Obstructive Pulmonary Disease. International Journal of Chronic Obstructive Pulmonary Disease, 17, 195-204.
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7

Polysomnographic Assessment of OSA

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Polysomnography was performed as described previously [9] (link) using Somnoscreen Plus Tele PSG (Somnomedics GmbH, Germany) according to the guidelines [19] . Apnoea-hypopnoea index (AHI), respiratory disturbance index (RDI) and oxygen desaturation index (ODI) were recorded and used as indices for OSA severity.
Kunos L., Lazar Z., Martinovszky F., Tarnoki A.D., Tarnoki D.L., Kovacs D., Forgo B., Horvath P., Losonczy G, & Bikov A. (2017). Overnight Changes in Lung Function of Obese Patients with Obstructive Sleep Apnoea. Lung, 195(1).
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8

Cardiorespiratory Polygraphy for OSA Diagnosis

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Patients attended an overnight cardiorespiratory polygraphy performed with Somnoscreen Plus Tele PSG (Somnomedics GmbH Germany). Thoracic and abdominal respiratory excursions, breath sounds, nasal pressure, electrocardiogram, and oxygen saturation were registered [25] (link). Cardiopulmonary events were scored manually according to the American Academy of Sleep Medicine (AASM) guidelines [26] (link). Apnoea-hypopnoea index (AHI) and oxygen desaturation index (ODI) were calculated to estimate OSA severity. OSA was defined as having an AHI5/h.
Kis A., Meszaros M., Tarnoki D.L., Tarnoki A.D., Lazar Z., Horvath P., Kunos L, & Bikov A. (2019). Exhaled carbon monoxide levels in obstructive sleep apnoea. Journal of breath research, 13(3).
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