Overnight Polysomnographic Records of Patients with Chronic Disorders of Consciousness, Part 2

Published: 31-07-2020| Version 2 | DOI: 10.17632/cz4mp794z7.2
Contributors:
Julia Nekrasova,
Mikhail Kanarskii,
Дмитрий Станиславович Янкевич

Description

Dataset contains second part of 40 (25-40) PSG recordings of patients with chronic DOC obtained overnight, from the afternoon or evening of the previous day to the morning of the following day. The mean duration of recordings is 14.7 hours (SD = 3.8 hours). The group was made up of in-patients, admitted to Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology throughout a period of 3 years. Inclusion criteria involved persistent or permanent DOC due to severe acquired brain damage of different etiology, such as traumatic brain injury (TBI), anoxic brain injury (ABI), vascular lesions (VL), and inflammatory diseases (ID). Time since injury substituted less than a year, but not less than one month at the study enrollment. Exclusion criteria comprised age over 70 years old, disability associated with the central nervous system that preceded the insult, epilepsy, myoclonus, hemodynamic instability, the need of mechanical ventilation, which can interfere with sleep. None of the patients received tranquilizers, barbiturates, antipsychotics, or antidepressants. Data were acquired with SOMNOscreen™ plus PSG system. For EEG acquisition six Ag/AgCl electrodes were placed on the patients’ head, corresponding to the standard 10/20 system [53] in F3, F4, C3, C4, O1, and O2 positions. Additional reference was provided with earlobe electrodes, placed in A1 and A2 positions. Two electro-oculogram (EOG) channels were added in cross-montage, two bipolar EMG channels were used to record deltoid activity, and in some cases one bipolar electrocardiographic (ECG) derivation was supplemented. All files are in .edf format. Demographic and clinical information on all patients is available in Supplementary Data of Overnight Polysomnographic Records of Patients with Chronic Disorders of Consciousness, Part 1 (https://data.mendeley.com/datasets/7byy6n8fwr/2). When using the data please cite: Nekrasova, Julia; Kanarskii, Mikhail; Yankevich, Dmitriy (2020), “Overnight Polysomnographic Records of Patients with Chronic Disorders of Consciousness, Part 2”, Mendeley Data, V1, doi: 10.17632/cz4mp794z7.1

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