COMPARISON OF PULSEOXIMETRY OXYGEN SATURATION AND ARTERIAL OXYGEN SATURATION IN OPEN HEART INTENSIVE CARE UNIT

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MAHOORI ALIREZA; HASSANI EBRAHIM; NOROOZINIA HEYDAR; SINAEI BEHZAD; ESMAEILI ELHAM

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Journal: Tehran University Medical Journal Year:2013 | Volume:71 | Issue:5 Page(s): 303-307

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Title

COMPARISON OF PULSEOXIMETRY OXYGEN SATURATION AND ARTERIAL OXYGEN SATURATION IN OPEN HEART INTENSIVE CARE UNIT

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Keywords

ACIDOSISQ2

OXYGEN/BLOODQ2

PULSE OXIMETRYQ2

Abstract

Background: Pulseoximetry is widely used in the critical care setting, currently used to guide therapeutic interventions. Few studies have evaluated the accuracy of SPO2 (pulseoximetry oxygen saturation) in intensive care unit after cardiac surgery. Our objective was to compare pulseoximetry with arterial oxygen saturation (SaO2) during clinical routine in such patients, and to examine the effect of mild ACIDOSIS on this relationship.Methods: In an observational prospective study 80 patients were evaluated in intensive care unit after cardiac surgery. SPO2 was recorded and compared with SaO2 obtained by blood gas analysis. One or serial arterial blood gas analyses (ABGs) were performed via a radial artery line while a reliable pulseoximeter signal was present. One hundred thirty seven samples were collected and for each blood gas analyses, SaO2 and SPO2 we recorded.Results: O2 saturation as a marker of peripheral perfusion was measured by Pulseoximetry (SPO2). The mean difference between arterial oxygen saturation and pulseoximetry oxygen saturation was 0.12%±1.6%. A total of 137 paired readings demonstrated good correlation (r=0.754; P<0.0001) between changes in SPO2 and those in SaO2 in samples with normal hemoglobin. Also in forty seven samples with mild ACIDOSIS, paired readings demonstrated good correlation (r=0.799; P<0.0001) and the mean difference between SaO2 and SPO2 was 0.05%±1.5%.Conclusion: Data showed that in patients with stable hemodynamic and good signal quality, changes in pulseoximetry oxygen saturation reliably predict equivalent changes in arterial oxygen saturation. Mild ACIDOSIS doesn’t alter the relation between SPO2 and SaO2 to any clinically important extent. In conclusion, the pulse oximeter is useful to monitor oxygen saturation in patients with stable hemodynamic.

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APA: Copy

MAHOORI, ALIREZA, HASSANI, EBRAHIM, NOROOZINIA, HEYDAR, SINAEI, BEHZAD, & ESMAEILI, ELHAM. (2013). COMPARISON OF PULSEOXIMETRY OXYGEN SATURATION AND ARTERIAL OXYGEN SATURATION IN OPEN HEART INTENSIVE CARE UNIT. TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), 71(5), 303-307. SID. https://sid.ir/paper/38382/en

Vancouver: Copy

MAHOORI ALIREZA, HASSANI EBRAHIM, NOROOZINIA HEYDAR, SINAEI BEHZAD, ESMAEILI ELHAM. COMPARISON OF PULSEOXIMETRY OXYGEN SATURATION AND ARTERIAL OXYGEN SATURATION IN OPEN HEART INTENSIVE CARE UNIT. TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ)[Internet]. 2013;71(5):303-307. Available from: https://sid.ir/paper/38382/en

IEEE: Copy

ALIREZA MAHOORI, EBRAHIM HASSANI, HEYDAR NOROOZINIA, BEHZAD SINAEI, and ELHAM ESMAEILI, “COMPARISON OF PULSEOXIMETRY OXYGEN SATURATION AND ARTERIAL OXYGEN SATURATION IN OPEN HEART INTENSIVE CARE UNIT,” TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), vol. 71, no. 5, pp. 303–307, 2013, [Online]. Available: https://sid.ir/paper/38382/en

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