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Tissue expansion for the delayed closure of large myelomeningoceles
David J Mowatt1, Dominic N P Thomson, David J Dunaway
1Department of Craniofacial and Plastic Surgery, Great Ormond Street Hospital for Children, London, United Kingdom. dmowatt@hotmail.com
Insights
Tissue expansion followed by direct skin closure offers a viable solution for large myelomeningocele repair in older children. This method presents advantages over traditional flap techniques for delayed surgical interventions.
Area of Science:
- Pediatric Surgery
- Plastic Surgery
- Developmental Biology
Background:
- Myelomeningocele repair typically occurs in neonates.
- Delayed repair presents unique surgical challenges due to tissue characteristics and patient age.
- Existing closure techniques may have limitations for large defects in older children.
Observation:
- Six pediatric patients aged 6 weeks to 3.5 years with large myelomeningoceles (27-49 cm²) underwent delayed repair.
- The surgical approach involved direct skin closure facilitated by prior tissue expansion.
- All patients achieved successful treatment outcomes with this method.
Findings:
- Tissue expansion enabled direct skin closure for large myelomeningocele defects in a pediatric cohort beyond the neonatal period.
- This technique proved effective for delayed surgical interventions where immediate closure might be more challenging.
- The study highlights the feasibility and success of tissue expansion in managing complex myelomeningocele cases.
Implications:
- Tissue expansion represents a valuable alternative for myelomeningocele closure in older pediatric patients.
- This approach may offer advantages in terms of surgical complexity and outcomes compared to locoregional flaps.
- Further research could explore long-term results and broader application of this technique in pediatric reconstructive surgery.
Object:
Numerous techniques for the soft-tissue closure of large myelomeningoceles have been described. When patients present for delayed repair beyond the neonatal period, the indications for surgery are both different and less immediate.
Methods:
Six patients between 6 weeks and 3.5 years of age with defects ranging from 27 to 49 cm2 (mean 37 cm2) were referred to the authors' institution and were successfully treated by direct skin closure after tissue expansion.
Conclusions:
In this paper the authors describe the technique and advantages of expansion compared with those of locoregional flaps in this subgroup of patients with myelomeningoceles.
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