Relationship between lactate and alkali deficiency and blood transfusion therapy in patients with traumatic hemorrhagic shock
Journal Title: Chinese Journal of Blood Transfusion - Year 2023, Vol 36, Issue 6
Abstract
Objective To explore the effect of lactate and alkali deficiency on the need for red blood cell transfusion in emergency of patients with traumatic hemorrhagic shock. Methods A total of 126 patients with traumatic hemorrhagic shock in our hospital from January 2019 to December 2021 were retrospectively analyzed, and the 99 cases with effective treatment were divided into two groups according to the outcome of blood transfusion within 24 hours after admission: non-transfusion group (n=36) and transfusion group (n=63). The changes of lactic acid (Lac), alkali deficiency (BE), hemoglobin (Hb), hematocrit (Hct) at admission, hemoglobin (Hb), hematocrit (Hct) 24 hours after admission and the length of stay in ICU were compared between the two groups. The binary logistic regression was used to analyze the risk factors of whether there was a need for blood transfusion at the time of emergency admission. The correlation between individual and combined indicators of each risk factor and the need for blood transfusion were analyzed by the receiver operating curve (ROC). Results The mean level of Lac (2.90±1.82) in the non-transfusion group at admission was lower than that in the transfusion group (5.80±2.83) (P<0.05), while BE、Hb and Hct (-1.76±3.24, 120.78±20.83, 35.76±6.11) were higher than those in the transfusion group (-5.91±4.69, 101.32±29.68, 29.97±8.48) (P<0.05). The mean levels of Hb and Hct in the two groups 24 hours after admission (92.75±16.66, 78.49±15.91) and (27.62±5.24, 22.60±4.74) were lower than those at admission (P<0.05). Binary logistic statistical analysis confirmed that Lac (OR=1.74, 95% CI 1.493-2.927, P<0.01), BE (OR=0.77, 95% CI 0.676-0.883, P<0.01), Hb (OR=0.97, 95% CI 0.954-0.989, P<0.01), Hct (OR=0.90, 95% CI 0.844=0.96, P<0.01) had guiding significance for patients with traumatic hemorrhagic shock to have red blood cell transfusion demand, and the increase of blood lactic acid was an independent risk factor (P<0.05), while age and gender had no significant effect on it(P>0.05)The maximum AUG of Lac and BE(0.875, 0.766) in predicting the need for emergency red blood cell transfusion in patients with traumatic hemorrhagic shock was significantly better than that of Hb and Hct (0.692, 0.682); the optimal threshold for Lac was >3.6 mmol/L, while the optimal threshold for Hb is ≤106 g/L; the maximum AUG obtained by ROC curve analysis combined with Lac, BE, Hb and Hct was 0.910, which was higher than that of the sole virable. Comparative predictive value using the optimal thresholds of Lac and Hb as indications for transfusion showed that Lac had better predictive value than Hb. Conclusion Lac and be can be instructive for patients with traumatic hemorrhagic shock as to whether they need red blood cell transfusion in an emergency setting, and combination of Lac, BE, Hb and Hct may help to determine the transfusion needs of patients more timely and accurately and optimize the transfusion management of emergency patients.
Authors and Affiliations
Xiaolin ZHANG, Shuangbao SU, Jianshe SHI, Yaojian WU
Keywords
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- EP ID EP738569
- DOI 10.13303/j.cjbt.issn.1004-549x.2023.06.012
- Views 47
- Downloads 0
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