… A pilot version of the survey underwent α-testing among … Preoperative anemia is an
independent risk factor for increased … are reserved primarily for people refusing blood transfusions …

… between perioperative variables and transfusion risk, we … of shock or low cardiac output
states, adequate monitoring of … a higher proportion of the erythrocyte reserve) and due to higher …

… increased risk of death associated with low preoperative Hb … of surgeons, anesthesiologists,
hematologists, transfusion and … Additionally, prior to this pilot study the outcome of clinical …

… the best balance between the risk for hypoglycemia and … and optimization of adequate cardiac
output and is performed most … novel noninvasive measure of oxygen reserve–A pilot study. …

… mortality risk score), the posttransfusion versus pretransfusion change … significantly augment
their cardiac output and may have … biomarkers indicating loss of reserve in compensating for …

… correlation analysis was used to evaluate the relationship between … from the pilot study
were not included in the current study. … demonstrated the trend in blood coagulation change (…

… staff anesthesiologist, and thus it was not a randomized intervention. This study was considered
as a pilot study … allow us to detect an absolute risk reduction of 20% for any transfusion. …

… of shock, including low cardiac output 16 and capillary leak … thereof, compare favorably to
other risk prediction initiatives, 35 … there can be substantial variability in surgical characteristics …

… surgery patients who were at high risk of platelet transfusion. … be sufficient to change practice.
Based on the results of this … No conclusion can be drawn from the lack of between-group …

… RBC transfusion is a challenge as perioperative transfusion is … of non-adherence to protocol
varies between trials, a 45% … Screening and recruitment of patients during the anesthesia …