Diagnostic blood loss from phlebotomy and hospital-acquired anemia during acute myocardial infarction.
Salisbury AC, Reid KJ, Alexander KP, et al. Diagnostic blood loss from phlebotomy and hospital-acquired anemia during acute myocardial infarction. Arch Intern Med. 2011;171(18):1646-53. doi:10.1001/archinternmed.2011.361.
This study discovered that blood loss from greater use of phlebotomy was independently associated with hospital-acquired anemia. An accompanying editorial [see additional link below] discusses this hazard of hospitalization in the context of more than just never events.