ArticleTransfusion2026
Pediatric autologous peripheral blood stem cell collection without heparin using a highly concentrated sodium citrate anticoagulant: A retrospective comparison with standard ACD-A.
Article in Transfusion, 2026. 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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9 authors.
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Abstract
backgroundHeparin combined with sodium citrate has been used in leukocytapheresis for pediatric patients. Since 2022, we have performed leukocytapheresis using a highly concentrated sodium citrate solution (HSC, 5.32%) instead of acid citrate dextrose solution A (ACD-A). We conducted this study to determine whether HSC use reduces run time and the total amount of anticoagulant solution in children. STUDY DESIGN AND
methodsWe retrospectively analyzed data from consecutive autologous peripheral blood stem cell harvests (auto-PBSCHs) between June 2012 and May 2025, including patient characteristics, mobilization methods, protocol used, anticoagulant type, run time, total anticoagulant solution volume, and collection efficiency.
resultsAuto-PBSCH was performed using the mononuclear cell collection (MNC) protocol in 28 procedures and the continuous MNC protocol in 20 procedures. ACD-A was used in 35 procedures and HSC in 13. The run time was significantly shorter (204 [range, 117-302] vs. 157 min [range, 103-227], p = .02) in the HSC group and also confirmed in multivariable regression analysis (coefficient, -55.6; 95% confidence interval, -106.2 to -5.04; p = .03). In a subgroup analysis of cMNC procedures, CD34
conclusionDelays in establishing the initial interface can reduce the duration of the effective MNC collection phase and may negatively affect collection efficiency. Careful attention to the initial interface phase is therefore warranted when using HSC.
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