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Partial splenectomy before a hematopoietic stem cell transplantation in children
Jennifer G Hall1, Joanne Kurtzberg, Paul Szabolcs
1Division of Pediatric Surgery, Department of Surgery, Duke University Medical Center, Durham, NC 27710, USA.
Journal of Pediatric Surgery
|May 4, 2005
Summary
Partial splenectomy before hematopoietic stem cell transplantation (HSCT) in children with hypersplenism safely improves engraftment times. This approach may reduce sepsis risk by preserving spleen function.
Area of Science:
- Pediatric Hematology
- Transplant Surgery
- Immunology
Background:
- Hypersplenism can delay hematopoietic stem cell (HSC) engraftment in children.
- Total splenectomy improves engraftment but carries a risk of postsplenectomy sepsis.
- Partial splenectomy is explored as a safer alternative for spleen preservation.
Purpose of the Study:
- To evaluate the safety and efficacy of partial splenectomy before HSC transplantation in children with hypersplenism.
- To compare engraftment rates and complications with nonsplenectomized and total splenectomized patients.
Main Methods:
- A retrospective study of five children undergoing partial splenectomy before HSC transplantation.
- Comparison of neutrophil and platelet engraftment rates, graft-versus-host disease, and infection rates.
- Outcomes analyzed against age-matched controls and total splenectomy cases using Wilcoxon's rank sum test.
Main Results:
- Partial splenectomy was associated with faster neutrophil and platelet engraftment compared to nonsplenectomized children.
- Engraftment rates after partial splenectomy were comparable to total splenectomy.
- No perioperative complications were observed; mean splenic regrowth was 39%.
Conclusions:
- Partial splenectomy is a safe procedure prior to HSC transplantation in children with hypersplenism.
- It effectively improves HSC engraftment rates, similar to total splenectomy.
- Partial splenectomy offers spleen salvage, potentially mitigating the risk of postsplenectomy sepsis.