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Procedure-specific preoperative red blood cell preparation and utilization management in pediatric surgical patients
Christine L Schmotzer1, Amy E Brown, Steven Roth
1Department of Pathology, University Hospitals Case Medical Center, Case Western Reserve University, Cleveland, Ohio, USA.
Insights
Pediatric red blood cell (RBC) preparation volumes often exceed needs. Data-driven, procedure-specific preparation targets can optimize RBC utilization and reduce waste in pediatric surgery.
Area of Science:
- Transfusion Medicine
- Pediatric Surgery
- Healthcare Management
Background:
- Preoperative red blood cell (RBC) preparation practices for pediatric surgery lack established data-driven guidelines.
- Adapting adult preparation protocols to pediatric patients may enhance perioperative RBC utilization.
Purpose of the Study:
- To audit RBC preparation volumes versus transfusion volumes in pediatric surgery.
- To establish procedure-specific preparation guidelines to optimize RBC utilization.
Main Methods:
- Retrospective audit of RBC preparation (Vp) and transfusion (Vt) volumes for pediatric surgeries (Jan-June 2006).
- Calculated RBC preparation-to-transfusion volume (P:T) ratios and compared them to a 2:1 target.
- Modeled maximum procedure-specific Vp (Vp-max) to predict optimal preparation volumes.
Main Results:
- The overall P:T ratio was 3.5:1, exceeding the 2:1 target.
- Vp-max modeling indicated potential for a 30% reduction in Vp for specific procedures (e.g., spinal fusion, craniotomy).
- Procedure-specific P:T ratios ranged from 1.0:1 to 1.7:1 for modeled surgeries.
Conclusions:
- Current preoperative RBC preparation volumes for pediatric surgery may be excessive.
- Implementing data-driven, procedure-specific preparation volumes can improve efficiency and resource utilization.
Background:
Data-driven practices in preoperative red blood cell (RBC) preparation for pediatric surgical procedures are not well established. Adaptation of established adult preparation guidance methods to pediatric populations may improve perioperative RBC utilization.
Study Design And Methods:
A retrospective audit of preoperative RBC preparation volumes (Vp) and intraoperative RBC transfusion volumes (Vt) for pediatric surgical procedures was undertaken at a large children's hospital from January to June 2006. RBC preparation-to-transfusion volume (mL/kg) ratios (P:T) were calculated for all surgeries, subspecialties, and select procedures. P:T equals Vp divided by Vt. Resulting P:Ts were compared to a target P:T of 2:1. A model for maximum procedure-specific Vp (Vp-max) defined Vp-max as the RBC transfusion volume able to meet the needs of 80% of patients undergoing an individual surgical procedure. Vp-max values were applied to the study data set to predict the impact on P:Ts and Vp.
Results:
RBCs were prepared for 332 surgical procedures and transfused during 113 procedures. P:T was 3.5:1 for total surgical procedures (subspecialty range, 2.7:1-46:0), exceeding the 2:1 target. Vp-max modeling for spinal fusion, craniotomy for neoplasia, craniotomy for seizure, and craniosynostectomy yielded P:T ratios of 1.5:1, 1.5:1, 1.7:1, and 1.0:1, respectively, predicting a 30% decrease in Vp for these four surgical procedures.
Conclusions:
P:Ts for pediatric surgical procedures at this institution indicate potentially excessive preoperative RBC preparations. Determination of data-driven procedure-specific Vp may increase the efficiency of preoperative RBC preparation practices.
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