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Research ArticleOriginal Research

AccuO2 Oximetry-Driven Oxygen-Conserving Device Versus Fixed-Dose Oxygen Devices in Stable COPD Patients

Kathryn L Rice, Matthew F Schmidt, John S Buan, Francene Lebahn and Ted K Schwarzock
Respiratory Care December 2011, 56 (12) 1901-1905; DOI: https://doi.org/10.4187/respcare.01059
Kathryn L Rice
Pulmonary Section, Minneapolis Veterans Affairs Medical Center, Minneapolis, Minnesota.
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  • For correspondence: [email protected]
Matthew F Schmidt
OptiSat Medical, Minneapolis, Minnesota.
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John S Buan
OptiSat Medical, Minneapolis, Minnesota.
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Francene Lebahn
Academic Health Center, University of Minnesota, Minneapolis, Minnesota.
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Ted K Schwarzock
OptiSat Medical, Minneapolis, Minnesota.
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Article Figures & Data

Figures

  • Fig. 1.
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    Fig. 1.

    The AccuO2 closed-loop oximetry-driven portable O2-conserving device.

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    Fig. 2.

    Flow chart.

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    Fig. 3.

    Individual and mean SpO2 values during 48-hour periods at home. P = .006 for AccuO2 versus continuous-flow O2, P = .03 for AccuO2 versus CR-50.

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    Fig. 4.

    Cumulative percent of time under various SpO2 levels during two 8-hour periods on 2 consecutive days at home. P values compared to continuous-flow O2 for each 1% increment increase in SpO2 are represented by open circles for P values < .05, and by Xs for P values > .05.

  • Fig. 5.
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    Fig. 5.

    Mean conservation ratios during 48-hour periods at home. *P < .001 for AccuO2 versus CR-50 and for AccuO2 versus continuous-flow O2.

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Respiratory Care: 56 (12)
Respiratory Care
Vol. 56, Issue 12
1 Dec 2011
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AccuO2 Oximetry-Driven Oxygen-Conserving Device Versus Fixed-Dose Oxygen Devices in Stable COPD Patients
Kathryn L Rice, Matthew F Schmidt, John S Buan, Francene Lebahn, Ted K Schwarzock
Respiratory Care Dec 2011, 56 (12) 1901-1905; DOI: 10.4187/respcare.01059

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AccuO2 Oximetry-Driven Oxygen-Conserving Device Versus Fixed-Dose Oxygen Devices in Stable COPD Patients
Kathryn L Rice, Matthew F Schmidt, John S Buan, Francene Lebahn, Ted K Schwarzock
Respiratory Care Dec 2011, 56 (12) 1901-1905; DOI: 10.4187/respcare.01059
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Keywords

  • COPD
  • long-term oxygen therapy
  • oxygen-conserving device
  • pulse oximetry

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