Human error has been recognized as the most significant cause of morbi
dity and mortality in transfusion medicine. Errors have been defined a
s any unapproved deviation from standard operating procedure. Error ma
nagement is a system to recognize errors, collect information about th
ese events, analyze the information objectively, take action designed
to prevent recurrence, and determine the success of those corrective m
easures. This article reviews a monitoring approach used by the author
s, which includes a strong organizational structure, well-defined proc
ess parameters, personal training and competency, and analysis mechani
sms for correction and prevention of errors.