Background: Tissue expansion is a well-established technique for soft tissue reconstruction in the pediatric population. We present a case series of this technique to create a safe pocket for baclofen pump insertion to minimize risk of complications including pump migration, extrusion, wound dehiscence and infection.
Methods: A case series of 3 pediatric patients undergoing tissue expansion prior to baclofen pump insertion at a single center in Melbourne. The expansion procedure was performed by senior surgeon N Low in all cases, and patients followed up 6 months after expander-pump exchange. The study was conducted over a 4-year period 2019 to 2023.
Results: We suffered 2 minor complications with the tissue expansion process including cellulitis and pump deflation. Neither complication precluded further tissue expansion nor led to premature removal of the expander. All patients proceeded to safely complete expander-pump exchange. One patient suffered a small (6 mL) abdominal seroma associated with pump insertion, which required no intervention. All patients have had a successful outcome 6 months after pump insertion.
Conclusions: We describe a reliable and reproducible approach in creating a safe abdominal wall pocket to better accommodate baclofen pump insertion. Our series has overcome the imbalance between device size and abdominal wall pocket, now offering an alternative approach to achieve the safe delivery of intrathecal baclofen in the pediatric population.
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