STRATUS will evaluate the use of small-volume ("soft-draw") blood collection tubes for laboratory testing in reducing anemia and transfusion in intensive care unit patients without significant adverse consequences. This is a simple, cost-neutral intervention that could improve the quality of patient care and reduce the harms of frequent laboratory testing.
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Successful crossover from standard-volume to small-volume tubes
Timeframe: 2 week washout period
Adherence to the correct tube size during the intervention period
Timeframe: 6 week intervention period
Sufficient volume for testing with small-volume tubes
Timeframe: 6 week intervention period
Acceptability of the intervention by end-users
Timeframe: 6 week intervention period
Complete primary data collection
Timeframe: 14 weeks