PMID: 9168628Jan 1, 1997Paper

Trends in the utilization of blood components in San Pablo Hospital; 1991-1996

Boletín de la Asociación Médica de Puerto Rico
R Hunter Mellado

Abstract

The purpose of this paper was to evaluate the trends in the use of blood products in our hospital during the last six years. We selected for the study packed red cells and platelet products since they are the most frequently used, on a unit per unit basis they represent a larger component of the transfusion service budget and finally are the most frequent units involved in transfusion reactions. The variables in the data bank that were utilized to study included, patients transfused, patients operated, units transfused, units prepared, and units discarded. From these variables we constructed the following new variables, Cross match to Transfusion ratio, units transfused to patients transfused ratio, units transfused to patients operated ratio, and finally patients operated to patients transfused ratio. The data was then organized by year and transported to SPSS software where the null hypothesis was tested through an analysis of the variance (ANOVA). The number of patients who underwent coronary artery bypass surgery increased over the last six years. An average increase of six additional patients per month was documented. An increase in the total number of packed Red Cells units transfused was seen with a mean of 167 units per...Continue Reading

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