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Effect of Continuous Non-Invasive Hemoglobin Monitoring on Blood Transfusion and Mortality in Hip Surgeries: A
Merve Ezgi Dinçer Yeşilnacar1, Özcan Pişkin1, Bengü Gülhan Köksal İncegül1
1Department of Anesthesiology and Reanimation, Zonguldak Bülent Ecevit University Faculty of Medicine, Zonguldak, Türkiye.
Journal of Clinical Practice and Research
|June 17, 2026
Summary
Non-invasive hemoglobin (SpHb) monitoring in hip surgery patients led to earlier transfusion decisions, fewer transfusions, and shorter hospital stays. This method may improve perioperative oxygenation and reduce hemoglobin drops.
Area of Science:
- Anesthesiology
- Perioperative Medicine
- Transfusion Medicine
Background:
- Blood transfusions are common in hip surgery.
- Managing hemoglobin levels is crucial for patient outcomes.
- Current methods for hemoglobin monitoring can be invasive.
Purpose of the Study:
- To evaluate the impact of non-invasive hemoglobin (SpHb) monitoring on blood transfusion decisions.
- To assess the effect of SpHb-guided transfusion strategies on patient mortality.
- To compare SpHb monitoring with conventional (CONV) methods in hip surgery patients.
Main Methods:
- Randomized controlled trial involving 52 hip surgery patients (≥60 years, ASA I-III).
- Patients were assigned to either SpHb or CONV groups for transfusion management.
- Hemoglobin levels and postoperative survival were monitored.
Main Results:
- The SpHb group demonstrated significantly higher hemoglobin levels at key decision points and during recovery (p<0.001).
- Patients in the CONV group required more blood transfusions (p=0.025) and had longer hospital stays (p=0.043).
- The SpHb group showed better perioperative oxygenation (PaO2).
Conclusions:
- SpHb monitoring facilitates earlier transfusion decisions, potentially preventing significant hemoglobin decline.
- This non-invasive approach may reduce transfusion needs and hospital length of stay.
- While mortality was numerically lower in the SpHb group, further research in larger cohorts is needed.
