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Strict guideline reduces the need for RBC transfusions in premature infants
Josiene Pereira Venâncio1, Amélia Miyashiro Nunes Dos Santos, Ruth Guinsburg
1Department of Pediatrics, Division of Neonatal Medicine, Federal University of São Paulo, Brazil.
Insights
Implementing a strict transfusion guideline significantly reduced red blood cell (RBC) volume in very low birth weight infants. This guideline improved transfusion practices for premature infants, lowering overall RBC needs.
Area of Science:
- Neonatology
- Pediatric Hematology
- Clinical Transfusion Medicine
Background:
- Very low birth weight (VLBW) infants are highly susceptible to anemia and often require red blood cell (RBC) transfusions.
- Current transfusion practices vary, potentially leading to suboptimal outcomes and increased transfusion burden.
- Establishing standardized guidelines is crucial for optimizing transfusion management in vulnerable preterm neonates.
Purpose of the Study:
- To evaluate the efficacy of a strict transfusion guideline in reducing RBC transfusion requirements in VLBW infants within the first 28 days of life.
- To compare transfusion volumes and frequency between infants managed under a standard neonatologist decision-making process and those under a strict guideline.
Main Methods:
- Retrospective analysis of two cohorts of VLBW infants: Period 1 (neonatologist decision) and Period 2 (strict guideline).
- Chart review of clinical and hematological data for 80 infants across both periods.
- Statistical analysis, including multiple linear regression, adjusted for covariates like birth weight and clinical risk.
Main Results:
- No significant difference in the proportion of infants receiving transfusions (62.5% vs. 55.7%, p=0.40).
- Median transfusion volume per infant transfused decreased from 40 ml/kg in Period 1 to 30 ml/kg in Period 2.
- Adjusted regression analysis revealed a significant reduction of 15.91 ml/kg in RBC volume transfused per infant under the strict guideline (p < 0.001).
Conclusions:
- Adoption of a strict RBC transfusion guideline effectively reduces the volume of erythrocytes administered to VLBW infants.
- While the proportion of transfused infants did not change, the guideline optimized transfusion practices, leading to less RBCs per transfusion.
- This study supports the implementation of strict guidelines to improve transfusion efficiency and potentially reduce risks associated with RBC transfusions in VLBW neonates.
Abstract:
The aim of this study was to verify if the adoption of a strict guideline would reduce the need for red blood cell transfusions in the first 28 days of life in very low birth weight preterm infants. Retrospective study of two cohorts of very low birth weight infants transfused according to neonatologist decision (Period 1) or according to a strict guideline for erythrocytes transfusion (Period 2). Clinical and hematological data of 80 premature infants transfused in both periods of the study were obtained by chart review. During the first 28 days of life, 45 (62.5%) of 72 premature infants born in the Period 1, and 44 (55.7%) of 79 newborns born in Period 2 received at least one erythrocyte transfusion; p = 0.40. Among patients transfused, the median number of transfusions was four per infant transfused (range: 1-13; mean: 4.6 +/- 3.2) in Period 1 and 3 (range: 1-18; mean: 4.0 +/- 3.5) in Period 2; p = 0.26. The median volume of erythrocytes administered per infant transfused in Period 1 was 40 ml kg(-1) (range: 10-170; mean: 48.8 +/- 38.3) and in Period 2 was 30 ml kg(-1) (range: 10-225; mean: 43.4 +/- 40.4), p = 0.41. Multiple linear regression analysis, after adjusting for birth weight, clinical risk index for babies, blood loss and days of ventilation, showed that the adoption of the strict guideline reduced the volume of erythrocytes transfused in 15.91 ml kg(-1) per infant transfused (95% CI: -24.69-7.14) p < 0.001. The adoption of a strict guideline reduced the need for red blood cells transfusions in very low birth weight infants.
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