Extracciones de sangre y anemia del paciente crítico

Objective. To determine the hemoglobin level variations in non-bleeding patients, its possible relationship with the blood volume drawn and number of extractions. Methods. An observational, prospective study conducted from April to August 2007. He- moglobin values during the ICU stay, blood volume drawn in each phlebotomy, fluid ba - lance, APACHE II and other demographic variables were determined. Results. One hundred and twenty four patients were studied. Of these, 59.7% experien- ced a mild decrease of hemoglobin levels (< 2g/dl) whereas 21.8% presented a more se-