• Journal of anesthesia · Jun 2019

    Review Meta Analysis Comparative Study

    Comparison of invasive and noninvasive blood hemoglobin measurement in the operating room: a systematic review and meta-analysis.

    • Hosein Shabaninejad, Nashmil Ghadimi, Kourosh Sayehmiri, Hossein Hosseinifard, Rasoul Azarfarin, and Hasan Abolghasem Gorji.
    • Department of Health Services Management, School of Health Management and Information Sciences, Iran University of Medical Sciences, Tehran, Iran.
    • J Anesth. 2019 Jun 1; 33 (3): 441-453.

    AbstractNoninvasive hemoglobin (Hb)-monitoring devices are new inventions in pulse oximeter systems that show hemoglobin levels continuously. The aim of this systematic review and meta-analysis was to evaluate the accuracy and precision of noninvasive versus standard central laboratory Hb measurements in the operating room. We systematically searched multiple databases. Then, for the quality assessment of studies, we modified QUADAS-2 in the Revman 5.3 software. The GRADE approach was used to measure the quality of evidence (Grading of Recommendations Assessment, Development, and Evaluation). Data were analyzed using the meta-analysis method (random effect model) using STATA 11 software. A total of 28 studies on 2000 participants were included in the meta-analysis. Meta-analysis results of mean differences between noninvasive and the central laboratory Hb measurements in overall pooled random effects were - 0.27 (95% LoA (0.44, - 0.10); P value < 0.05). According to this meta-analysis, noninvasive hemoglobin measurement has acceptable accuracy in comparison with the standard invasive method.

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