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  • Title: [AG200 and polysomnography in patients with obstructive sleep apnea-hypopnea syndrome].
    Author: Yu L, Sun J, Chen X, Yuan W, Liu Y, Zhou C, Sun B, Wen Y.
    Journal: Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi; 2014 Nov; 28(21):1691-3. PubMed ID: 25735104.
    Abstract:
    OBJECTIVE: To study the clinical value of polysomnography (PSG) and ApneaGraph (AG200) in the diagnosis evaluation of obstructive sleep apnea hypopnea syndrome (OSAHS). METHOD: From January to December in 2012, 67 OSAHS patients diagnosed by PSG were examined by AG200. The apnea hypopnea index (AHI), hypopnea index (HI), apnea index (AI), the lowest oxygen saturation (LSaO2) was were detected and the results were analyzed statistically. RESULT: Significant differences were observed in AI, AHI, LSaO2 between AG200 and PSG (P < 0.05, respectively). No statistically significant difference was found in HI. The differences in HI between AG200 and PSG were not significant (P > 0.05). AHI, HI and LSaO2 was were significantly correlated between AG200 and PSG (r = 0.870, 0.743, 0.374, 0.716, P < 0.01). CONCLUSION: AG200 could not replace PSG but could identify the level of upper airway obstruction.
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