ArticleEuropean journal of orthopaedic surgery & traumatology : orthopedie traumatologie2025
Autogenous bone graft collection by acetabular reamers at the ilium yielded comparable volume with less blood loss and lower costs compared to the Reamer-Irrigator-Aspirator 2 system at the femur.
Article in European journal of orthopaedic surgery & traumatology : orthopedie traumatologie, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveTo compare autogenous bone graft volume, blood loss, transfusion rate, complications, and costs by collection using acetabular reamers at the ilium (ARI) to Reamer-Irrigator-Aspirator (RIA2) at the femur. MATERIALS AND
methodsAdults who underwent long bone or sacral nonunion repair with autogenous bone graft collection by either unilateral ARI or RIA2 from femur from November 2020 to May 2023 at two academic trauma referral centers were retrospectively identified. Outcomes included graft volume, estimated blood less (EBL), perioperative change in hematocrit (ΔHct) and hemoglobin (ΔHgb), red blood cells (pRBC) units transfused intra- or postoperatively, infection, iatrogenic fracture, pathologic fracture, venous thromboembolism, and equipment costs per procedure.
resultsTwenty-nine patients were included, of whom 18 received ARI was and 11 received RIA2. No differences were observed between groups regarding age, sex, body mass index, substance use, or medical comorbidities. Mean graft volumes were similar: ARI 38.3 cc (range 20-80 cc) versus RIA2 36.4 cc (range 10-60 cc), p = 0.74). ARI was associated with lower mean EBL (408.7 ± 210.0 cc vs. 750.0 ± 508.0 cc, p = 0.02), mean ΔHgb (2.1 ± 1.4 g/dL vs. 4.0 ± 1.7 g/dL, p = 0.007) and mean ΔHct (6.9 ± 4.9% vs. 11.9 ± 5.7%, p = 0.03). No differences in the incidence of pRBC transfusions (0.28 ± 0.67 vs. 0.64 ± 1.03 units, p = 0.32) or complications at the harvest site (5.6% vs. 0%, p = 1.00) were observed. ARI durable components acquisition ($11,500 vs. $12,500) and per case sterilization and disposable ($18 vs. $3,500) costs were lower.
conclusionsUnilateral autogenous bone graft collection from ilium with acetabular reamers yielded similar graft volume with less blood loss at lower cost than RIA2 collection from femur.
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