In total, 139 subjects were recruited and underwent a full night (from 2200 to 0800 hours) of polysomnography (PSG; SOMNOscreen™ plus (PSG+), SOMNOmedics GmbH, Randersacker, Germany) conducted by technologists in a sleep laboratory at the Department of Respiratory and Critical Care Medicine. Fasting blood and oral mucosal (involving buccal mucosa, tongue, soft palate, and hard palate) samples were collected the following morning. The present study was approved by the Second Affiliated Hospital of Fujian Medical University’s Institutional Review Board with the certificate number IRB No. 2017–78.
Somnoscreen plus psg
Manufactured by SOMNOmedics
Sourced in Germany
The SOMNOscreen™ plus (PSG+) is a diagnostic sleep system designed for polysomnography (PSG) and sleep studies. It is capable of recording various physiological parameters, including electroencephalography (EEG), electrooculography (EOG), electromyography (EMG), and respiratory and cardiac signals. The device is intended to be used by healthcare professionals for the assessment and evaluation of sleep-related disorders.
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Lab products found in correlation
5 protocols using somnoscreen plus psg
1
Overnight PSG and Biomarker Collection
2
Polysomnographic Sleep Evaluation Protocol
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All patients were evaluated for two consecutive nights in a sleep laboratory. The wireless telemetry PSG system (SOMNOscreen plus PSG+; SOMNOmedics GmbH, Randersacker, Germany, analysis software “DOMINO”) was used to monitor sleep. Sleep recordings were scored by an experienced PSG technologist blinded to the group assignments. The data were analyzed according to the American Academy of Sleep Medicine Manual for the Scoring of Sleep and Associated Events V.2.0.9 (link) PSG measures reported include: sleep onset latency (length of time in minutes that it takes to sleep); total sleep time (total duration of sleep in hours during the PSG recording); sleep efficiency ([SE] total sleep time divided by time in bed); wake after sleep onset ([WASO] the number of minutes the participant was awake after onset of persistent sleep); percentage of each sleep stage (N-1, N-2, N-3 [slow wave sleep] and rapid eye movement [REM] sleep); apnea–hypopnea index ([AHI] % time oxygen saturation <90%); and arousal index ([ArI] total number of arousals divided by the duration of sleep in hours. An arousal was defined as any sudden increase in electroencephalography frequency [to alpha or theta] that lasted >3 seconds).10 (link)
3
Overnight Polysomnography for Obstructive Sleep Apnea
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Overnight PSG measurements were carried out at the Institute of Pulmonology, Törökbálint, under medical control, using a SOMNOscreen Plus PSG (SOMNOmedics GmbH Germany) device. According to the American Academy of Sleep Medicine recommendation, apnoea is defined as a reduction of the nasal airflow of 90% or more for at least 10 s. In the case of hypopnoea, there is a 30% or higher reduction of airflow, accompanied by ≥ 3 oxyhaemoglobin desaturation or arousal. The severity of OSA is based on the apnoea-hypopnea index (AHI), which is calculated according to the apnoea/hypopnea events per hour [16 (link)]. Due to the relatively low number of subjects, our patients were divided into OSA (n = 64) and non-OSA (n = 36, control) groups.
4
Polysomnography and Biosampling Protocol
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We recruited 113 subjects and examined them by a full night of polysomnography (PSG; SOMNOscreen™ plus PSG+, SOMNOmedics GmbH, Randersacker, Germany), conducted by technologists in a sleep laboratory from 10 p.m. to 8 a.m. at the Department of Pulmonary and Critical Care Medicine. The Institutional Review Board of the Second Affiliated Hospital of Fujian Medical University approved the present study (IRB No. 2017-78). We collected fasting blood and fecal samples the following morning.
5
OSAHS Patients' Gut Microbiome Analysis
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In total, 113 subjects were recruited from July 2017 to January 2018, who were clinically suspicious with OSAHS and committed to sleep examination for the first time at sleep laboratory of Department of Pulmonary and Critical Care Medicine of the Second Affiliated Hospital of Fujian Medical University. Subjects with gastrointestinal diseases, infection, unexplained diarrhea, and antibiotics or probiotics used before recruitment around 1 month were excluded in this study. Subjects were examined during a full night of PSG (SOMNOscreen™ plus PSG+; SOMNOmedics GmbH, Randersacker, Germany) by technologists from 10 p.m. to 8 a.m. at the sleep laboratory. Fasting blood and fecal samples were collected the following morning. The Institutional Review Board of the Second Affiliated Hospital of Fujian Medical University approved this study (IRB No. 2017–78).
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