Analysis of anemia-related factors and transfusion status in premature infants

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Analysis of anemia-related factors and transfusion status in premature infants

Journal Title: Chinese Journal of Blood Transfusion - Year 2022, Vol 35, Issue 6

Abstract

Objective To analyze the risk factors of anemia in premature infants and the status of blood transfusion. Methods Clinical data of preterm infants with age ≤48 hours and hospitalization time ≥7 days, admitted to our hospital from August 2018 to July 2019, were collected. According to the Hb value, they were divided into the anemia group and the non-anemia group. The general information, disease occurrence, and treatment measures during hospitalization of the two groups were compared, and the risk factors affecting anemia were analyzed. Results A total of 169 cases were included in this study, including 88 cases in the anemia group and 81 cases in the non-anemia group. There were statistically significant differences between two groups in assisted reproduction 47(53.409) vs 33(40.741), basic Hb value 180.395(176.282, 184.508) vs 162.841(158.596, 167.085), maternal pregnancy anemia 27(30.682) vs 12(14.815), late-onset sepsis(LOS) 64(72.727) vs 31(38.272), mechanical ventilation 46(52.273) vs 10(12.346), neonatal respiratory distress syndrome(NRDS) 51(57.955) vs 26(32.099), coagulation dysfunction 27(30.682) vs 11(13.580) and average hospitalization days 31.276(26.885, 35.666) vs 15.798(14.251, 17.344), all P<0.05. Multivariate logistic results showed assisted reproduction, maternal pregnancy anemia, mechanical ventilation, coagulation dysfunction and average hospitalization days ≥20 were risk factors for preterm anemia. A total of 40 cases(23.669%) needed RBC transfusion to correct anemia during hospitalization, including 21 cases of very low birth weight infants(VLBWI). 8 patients(38.095%) received RBC transfusion ≥3 times during VLBWI hospitalization. The incidence of bronchopulmonary dysplasia(BPD) in the multiple transfusion group(≥3 times of RBC transfusion) was higher than in the non-multiple transfusion group. Conclusion Maternal anemia during pregnancy, assisted reproduction, mechanical ventilation, coagulation dysfunction and average hospitalization days are the related factors affecting the occurrence of anemia. The occurrence of BPD may be associated with multiple blood transfusions, but there is no clear evidence to prove that blood transfusion is an independent risk factor for the development of BPD, and a large sample, multi-center study is needed.

Authors and Affiliations

Qi LI, Yudan LI, Jing XU, Dong LI

Keywords

premature infants with anemia red blood cell transfusion very low birth weight infant

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EP ID EP738265
DOI 10.13303/j.cjbt.issn.1004-549x.2022.06.007
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