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The process of storage and transportation of the red blood cells (RBCs) out of the standard temperature range lead to some biochemical reactions. Infusing inappropriately stored RBCs may cause severe complications. The main objective of this study was to investigate the RBC bags' temperature during the transfusion chain including storage, transportation, and transfusion. A cross-sectional study was performed on 100 RBC bags that were sent from the blood bank to the cardiac surgical intensive care unit (CSICU) and the operating room (OR). To record the temperature of RBCs, a temperature monitoring device was attached to each bag of RBCs that were transported from the blood bank to the CSICU and the OR. The stored temperature samples in the devices related to different stages were separated. Finally, the normal and non-normal samples of each phase were segregated based on the current guidelines. The results indicated that 10% of 121,262 recorded temperatures samples (per 2 min) were out of the standard range. Of these, 65, 17, 13, and 5% of samples were related to the blood bank, the OR, transportation, and the CSICU, respectively. The minimum and maximum temperatures were 0 °C and 19.5 °C that were below and above the standard, respectively. In the light of findings of the present study, different stages of blood transportation and storage suffer a number of shortcomings, which are more evident in the blood bank. Thus, it is recommended to better manage blood transfusion chain from the blood bank to hospital wards so as to avoid the inadvertent and undesirable consequences of blood transfusion. Because various judgments made by the personnel about the status of blood bags are subjective, a temperature monitoring device can be employed to better monitor the blood transfusion process and compensate for the errors unnoticed by the personnel.

Monitoring of Storage and Transportation Temperature Conditions in Red Blood Cell Units: A Cross-Sectional Study