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עמוד בית
Tue, 28.05.24

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March 2018
Narin N. Carmel-Neiderman MD, Idan Goren MD, Yishay Wasserstrum MD, Tal Frenkel Rutenberg MD, Irina Barbarova MD, Avigal Rapoport MD, Dor Lotan MD, Erez Ramaty MD, Naama Peltz-Sinvani MD, Adi Brom MD, Michael Kogan MD, Yulia Panina MD, Maya Rosman MD, Carmel Friedrich MD, Irina Gringauz MD, Amir Dagan MD, Iris Kliers MD, Tomer Ziv-Baran PhD and Gad Segal MD

Background: Accurate pulse oximetry reading at hospital admission is of utmost importance, mainly for patients presenting with hypoxemia. Nevertheless, there is no accepted or evidence-based protocol for such structured measuring.

Objectives: To devise and assess a structured protocol intended to increase the accuracy of pulse oximetry measurement at hospital admission.

Methods: The authors performed a prospective comparison of protocol-based pulse-oximetry measurement with non-protocol based readings in consecutive patients at hospital admission. They also calculated the relative percentage of improvement for each patient (before and after protocol implementation) as a fraction of the change in peripheral capillary oxygen saturation (SpO2) from 100%.

Results: A total of 460 patients were recruited during a 6 month period. Implementation of a structured measurement protocol significantly changed saturation values. The SpO2 values of 24.7% of all study participants increased after protocol implementation (ranging from 1% to 21% increase in SpO2 values). Among hypoxemic patients (initial SpO2 < 90%), protocol implementation had a greater impact on final SpO2 measurements, increasing their median SpO2 readings by 4% (3–8% interquartile range; P < 0.05). Among this study population, 50% of the cohort improved by 17% of their overall potential and 25% improved by 50% of their overall improvement potential. As for patients presenting with hypoxemia, the median improvement was 31% of their overall SpO2 potential.

Conclusions: Structured, protocol based pulse-oximetry may improve measurement accuracy and reliability. The authors suggest that implementation of such protocols may improve the management of hypoxemic patients.

June 2009
E. Zimlichman, M. Szyper-Kravitz, A. Unterman, A. Goldman, S. Levkovich and Y. Shoenfeld
July 2008
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