Source:Clinical Neurophysiology, Volume 127, Issue 4
Author(s): I. Roma, T. Atzori, A. Vettori, F. Gigliotti, B. Binazzi, V. Roma, A. Grippo
This study was designed to evaluate the diagnostic and technical accuracy of the new portable recording device BluNet. BluNet has innovative features that introduce a new generation of devices: modularity, communication with the iPad/iPhone world, ease in data exchange (European Data Format file), impressive small sizes and weight, use of wireless transmission (Bluetooth "Low Energy" 4.0). The validation was done by comparing N=10 recordings in patients with clinical suspicion of Respiratory Sleep Disorders. We performed simultaneous polygraphic recordings with BluNet and with the main reference portable PSG device, Embletta GOLD. The PSG data acquired during the night were: air flow through a nasal cannula, chest and abdomen movements via inductive belts, oxygen saturation, and heart rate via saturimeter. The recordings were analysed manually by a blinded investigator. The AHI obtained by the BluNet device are closely correlated to that obtained by Embletta (Pearson correlation, r= 0.988); the correlation between oxygen desaturation index by BluNet and the one by Embletta was also strong (r= 0.943). Similar diagnostic sensitivity in detecting OSA was found with the two portable devices. We concluded that BluNet is clinically applicable, technically reliable, and sensitive for the diagnostics of Respiratory Sleep Disorders.
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