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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: [Evaluation of accuracy of Healthdyne Nightwatch to monitor sleep breathing disorder].
    Author: Li M, Huang X.
    Journal: Zhonghua Jie He He Hu Xi Za Zhi; 1998 Feb; 21(2):102-4. PubMed ID: 11263381.
    Abstract:
    OBJECTIVE: To study the advantage of computerized portable polysomnograph (Healthdyne Night Watch, NW) compared to standard paper scoring polysomnograph (PSG). METHOD: NW was used to monitor the same patient with sleep apnea syndrome at the same night and compared with standard PSG. RESULT: Apnea and hypopnea index (AHI) recorded by PSG was 28.6 +/- 6.9 versus 28.7 +/- 7.0 recorded by NW. Mean lowest SaO2 recorded by PSG was 73.5% +/- 2.8% versus 74.5% +/- 3.2% recorded by NW. Using a PSG value of AHI > or = 5 and > or = 10 as the diagnostic criteria, the diagnostic agreement of NW was 93.7% and 95.3%, respectively. CONCLUSION: The computerized portable polysomnograph (NW) saves time and labour. It could be used in patient's home or ward and could replace PSG in most situations.
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