PSG was performed according to the manual of the American Academy of Sleep Medicine (AASM)14 and included electroencephalogram, electrooculogram (to record eye movement), chin electromyogram (EMG), electrocardiogram, expiration thermistor measurements, chest and abdominal expansion, arterial oxygen saturation, snoring, and leg EMG measurements. PSG parameters were automatically scored using one of four PSG systems (Alice 3 [Respironics, Murrysville, PA, USA], Somnostar Pro [Viasys, Conshohocken, PA, USA], SandmanElite [Covidien, Boulder, CO, USA], or Somnoscreen [Somnomedics, Randersacker, Germany]) and revised manually by trained technicians. Analyses were performed using the Rechtschaffen and Kales criteria15 until August 2015, and the 2007 AASM criteria14 after September 2015.
Alice 3
Manufactured by Philips
Sourced in United States
Alice 3 is a polysomnography system designed for sleep disorder diagnosis and research. It records physiological data during sleep, including brain activity, eye movements, muscle activity, and respiration. The device captures comprehensive sleep data to support clinicians in evaluating and diagnosing sleep-related conditions.
Automatically generated - may contain errors
Lab products found in correlation
2 protocols using alice 3
1
Polysomnography Scoring Protocol
2
Overnight Polysomnography for nCPAP Therapy
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Overnight PSG was performed using multichannel monitoring, including neurophysiological variables (electroencephalogram, electrooculogram, and chin electromyogram) and cardiorespiratory variables (thermistor, chest wall motion, abdominal wall motion, arterial oxygen saturation, and electrocardiogram). Continuous recordings were obtained using a computerized diagnostic system (Alice 3™ or Alice 4™; Respironics, Pittsburgh, USA). The data were recorded during the examination from 21:00 to 6:00. PSG measurements were taken before and after nCPAP therapy.
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