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28 February 2014 Novel noninvasive point-of-care device for real time hemoglobin monitoring
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During the perioperative period, which includes the period before surgery and after surgery (postoperative), it is essential to measure diagnostic parameters such as: blood oxygen saturation; hemoglobin (Hb) concentration; and pulse rate. The Hb concentration in human blood is an important parameter to evaluate the physiological condition of an individual, as Hb is the oxygen carrying component of red blood cells. By determining the Hb concentration, it is possible, for example, to observe intraoperative or postoperative bleeding, and use this information as a trigger for autologous/ allogenic blood transfusions. In blood donation center it is also an essential parameter for the decision regarding the acceptance of the donor.
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Ulrich Timm, Helge Gewiss, Jens Kraitl, Kirstin Stuepmann, Michael Hinz, Sebastian Koball, and Hartmut Ewald "Novel noninvasive point-of-care device for real time hemoglobin monitoring", Proc. SPIE 8951, Optical Diagnostics and Sensing XIV: Toward Point-of-Care Diagnostics, 89510U (28 February 2014);

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