Smaller blood draws for lab tests may reduce need for transfusions in ICU patients: study

A decrease is seen in red blood cell units per patient after transition from standard- to small-volume tubes.
HealthDay News

Drawing less blood from patients in the ICU by using smaller collection tubes could lead to fewer blood transfusions, a study suggests.

The large clinical trial in Canada found that making this small change could save tens of thousands of units of blood each year in that country.