Pronto for Patient Blood Management

The concept of Patient Blood Management requires preoperative diagnostic of anemia. To avoid the harmful procedure of venous puncture for drawing a blood sample, noninvasive measurement of hemoglobin has been developed. However noninvasive measurement of hemoglobin has yet been not accurate enough to replace invasive hemoglobin measurement. This study investigates if a noninvasive measurement tool can serve as a screening tool to find out for which patients invasive measurement of hemoglobin is necessary.