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  • Title: Diagnostic blood loss from phlebotomy and hospital acquired anemia in patients with severe burns.
    Author: Yao RQ, Wu GS, Xu L, Ma B, Lin J, Shi L, Tang HS, Yao YM, Xia ZF.
    Journal: Burns; 2020 May; 46(3):579-588. PubMed ID: 31784239.
    Abstract:
    PURPOSE: The study was performed to estimate the diagnostic blood loss (DBL) volume during hospitalization and investigate its relationship with the development of moderate to severe hospital acquired anemia (HAA) and increased number of red blood cell (RBC) transfusion following extensive burns. MATERIALS AND METHODS: This was a retrospective study of adult burned patients with total body surface area (TBSA) burn larger than 40%, who were admitted to burn center of Changhai hospital between January 2005 and December 2017. RESULTS: We included a final number of 157 patients in the present study. Moderate to severe HAA within the fourth week postburn was developed in 46 of 121 patients who stayed over 28-day hospitalization. Patients with moderate to severe HAA had both significantly higher total DBL volume [245 (IQR: 183.75, 325.25) mL vs 168 (119, 163) mL ; P = 0.001] and DBL volume per day [10.22 (IQR: 8.57, 12.38) mL vs 6.63 (5.22, 10.42) mL/day; P = 0.005]. Logistic regression analysis revealed that both DBL volume per day and TBSA burn were independent risk factors for the development of moderate to severe HAA. CONCLUSIONS: Severely burned patients appear to be prone to develop HAA during hospitalization. The DBL volume contribute to the occurrence of moderate to severe HAA, which might be a modifiable target for preventing HAA.
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