Abstract
Background: Total Hemoglobin(Hb) measurement is one of the most common and important parameter that is investigated in the laboratory.This non invasive method allows pain free continuous online patient monitoring with minimum risk of infection and facilitates real time data monitoring allowing immediate clinical reaction to the measured data. The objective of the study is to test the efficacy of pulse co-oximeter .Methods: Present study is a prospective descriptive study. A total of 261 patients enrolled for the study after their consent. Non invasively measured SpHb values and invasively measured Hb values were then compared by using Bland Altman statistical analysis . Result: Pulse co-oximeter recorded/displayed SpHb in 90.8% patients and did not display SpHb in 9.2% of patients. Out of which 73-75% patients Hb showed variation of less than or equal to 2gms and 20-24% patients Hb showed variation of more than 2 gms. On Bland Altmann comparative analysis of SpHb and Hb revealed bias and limits of agreement was 0.2+3.3gm/d and 95% of the measurements fell within two standard deviation of the mean difference and P value < 0.001 represents good correlation between SpHb and Hb of Lab1 and Lab 2.Conclusion: Pulse co-oximeter can be used as a screening tool for Hb measurement at out patient departments, blood camps, casuality, ICU and labor rooms. It determines Hb instantly and non invasively. Further studies are needed to determine financial aspects and needs upgradation in terms of accuracy of the instrumentDOI:10.21276/APALM.1558
Highlights
Hemoglobin(Hb) can be measured on a variety of devices using different principles of operation
Pulse co-oximeter can be used as a screening tool for Hb measurement
Non invasive pulse co-oximeter represents the latest development in hemoglobin measuring technology
Summary
Hemoglobin(Hb) can be measured on a variety of devices using different principles of operation. The same methodology is used by laboratory hemoglobinometers to measure hemoglobin concentration Because both devices work in the same way, efforts were made to modify the pulse oximeter to measure hemoglobin concentration. There are two commercial pulse co-oximeters (Masimo Rainbow SET and OrSense NBM-200MP) that measure total hemoglobin concentration and one (Masimo) that measures methemoglobin and carboxyhemoglobin[1]. The technology is noninvasive and provides continuous monitoring in comparison to invasive and discrete techniques used in other methods, pulse co-oximeter purportedly provides an advantage in patient care. Total Hemoglobin(Hb) measurement is one of the most common and important parameter that is investigated in the laboratory This non invasive method allows pain free continuous online patient monitoring with minimum risk of infection and facilitates real time data monitoring allowing immediate clinical reaction to the measured data. The objective of the study is to test the efficacy of pulse co-oximeter
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