International Journal of Pharma and Bio Sciences
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10.22376/ijpbs.2019.10.1.p1-12
Volume 6 Issue 4
2015 (October - December)
HOW ACCURATE IS THE PULSE OXIMETRY READING IN AN INTENSIVE CARE SETUP?
The pulse oximeter remains a valuable tool in the care of intensive care patients, but an awareness of its limitations is important in enhancing the quality of intensive care. We tried to determine the accuracy of pulse oximeter among Systemic Inflammatory Response Syndrome (SIRS) patients in the presence of various factors and also the reliability of predicting SaO lessThan sub greaterThan 2 lessThan /sub greaterThan from subsequent SpO lessThan sub greaterThan 2. lessThan /sub greaterThan Accuracy was analyzed by Bland-Altman analysis. Bias was found to be 2.5%. Subgroup analysis revealed hypoxia and acidosis significantly altered pulse oximeter accuracy. Regression analysis was done to assess reliability of predicting SaO lessThan sub greaterThan 2 lessThan /sub greaterThan from subsequent SpO lessThan sub greaterThan 2 lessThan /sub greaterThan . Fluctuations in SpO lessThan sub greaterThan 2 lessThan /sub greaterThan to SaO lessThan sub greaterThan 2 lessThan /sub greaterThan difference indicated that SaO lessThan sub greaterThan 2 lessThan /sub greaterThan could not be reliably predicted from SpO lessThan sub greaterThan 2 lessThan /sub greaterThan after a single ABG analysis. A SpO lessThan sub greaterThan 2 lessThan /sub greaterThan above 93% appears necessary to ensure a SaO lessThan sub greaterThan 2 lessThan /sub greaterThan of 90%.
DR. R. SRIVATSAN , DR. S. ASMATHULLA1 AND DR. S. GIRIJA
Pulse oximeter, SIRS, accuracy, SpO2, SaO2
1069-1076