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Six studies across four continents have found that noninvasive and continuous hemoglobin (SpHb) monitoring can help improve outcomes1-6
SpHb is supporting clinicians in over 75 countries around the world.*
Continuous non-invasive hemoglobin monitoring during orthopedic surgery: a randomized trialEhrenfeld JM, Henneman JP, Bulka CM, Sandberg WS. 2014. J Blood Disorders Transf 5:237.doi:10.4172/2155-9864.1000237
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Continuous and noninvasive hemoglobin monitoring reduces red blood cell transfusion during neurosurgery: a prospective cohort study Awada WN et al. J Clin Monit Comput. DOI 10.1007/s10877-015-9660-4.
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The value of continuous noninvasive hemoglobin monitoring in intraoperative blood transfusion practice during abdominal cancer surgeryKamal A, et al. Open J of Anesth. 2016 Mar; 6, 13-19.
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Continuous and noninvasive hemoglobin monitoring may reduce excessive intraoperative RBC transfusion Imaizumi et al. Proceedings from the 16th World Congress of Anaesthesiologists, Hong Kong. Abstract #PR607
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Continuous hemoglobin and plethysmography variability index monitoring can modify blood transfusion practice and is associated with lower mortalityCros et al. J Clin Monit Computing 2019. DOI:10.1007/s10877-019-00367-z Study Type: Quality Improvement Study
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Economic analysis of the reduction of blood transfusions during surgical procedures while continuous hemoglobin monitoring is usedRibed-Sánchez B, González-Gaya C, Varea-Díaz S, Corbacho-Fabregat C, Pérez-Oteyza J, Belda-Iniesta C. Sensors (Basel). 2018 Apr 27;18(5).
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Clinical decisions regarding red blood cell transfusions should be based on the clinician’s judgment considering among other factors: patient condition, continuous SpHb monitoring, and laboratory diagnostic tests using blood samples. SpHb monitoring is not intended to replace laboratory blood testing. Blood samples should be analyzed by laboratory instruments prior to clinical decision making.
Ehrenfeld et al. J Blood Disorders Transf. 2014. 5:9.
Awada WN et al. J Clin Monit Comput. DOI 10.1007/s10877-015-9660-4. Study Protocol: In each group, if researchers noted SpHb trended downward below 10 g/dL, a red blood cell transfusion was started and continued until SpHb trended upward above 10 g/dL. The transfusion threshold of 10 g/dL was predetermined by the study protocol and may not be appropriate for all patients. Blood sampling was the same for the control and test group. Arterial blood was drawn from a 20 gauge radial artery cannula into 2 mL EDTA collection tubes, mixed and sent for analysis by a Coulter GEN-S Hematology Analyzer.
Kamal A, et al. Open J of Anesth. 2016 Mar; 6, 13-19.
Imaizumi et al. Proceedings from the 16th World Congress of Anaesthesiologists, Hong Kong. Abstract #PR607.
Cros et al. J Clin Monit Comput. Aug 2019: 1-9. Study utilized a goal-directed fluid therapy protocol with PVi® in conjunctionwith a blood transfusion protocol based on SpHb.
Ribed-Sánchez B, et al. Sensors (Basel). 2018 Apr 27;18(5). pii: E1367. Estimated national savings derived from hospital savings extrapolated nationwide.
* Data on file.
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