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Surg Innov ; 29(2): 169-182, 2022 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-34530655

RESUMEN

BACKGROUND: The abdominal wall expanding system (AWEX) was first applied in 2012 and published in 2017. This novel technique was developed to reconstruct complex incisional hernias and residual skin-grafted laparostoma after treatment of an open abdomen, when primary midline closure was impossible. The main aim was the anatomical reconstruction of the abdominal wall and the avoidance of dissecting techniques (component separation). METHODS: Between 2012 and 2019, 33 patients underwent AWEX hernia repair in three certified hernia centers. The retracted abdominal wall was stretched with the AWEX system intraoperatively for approximately 30 min. Hernia size was measured preoperatively, on CT, and intraoperatively. The gain in length on the lateral abdominal wall (decrease in width of the defect) after stretching and any residual midline gap were determined in the OR. RESULTS: 33 patients underwent AWEX procedures. Six cases were evaluated separately because of additional procedures (TAR, four cases) and preoperative application of botulinum toxin (two cases). The median (95% confidence interval) measured width of hernia defects was 13 (12-16) cm, the median gain in length on the lateral abdominal wall was 12 (10-15) cm. After median follow-up of 29 (12-54) months, one recurrence from the broken mesh was observed. No method-related complications occurred. CONCLUSION: Based on the 2017 and current results, the AWEX system represents an alternative or supplemental procedure to current techniques for complex abdominal wall reconstruction. The system proved again to be time-saving, safe, effective, and easy to learn. Further studies with enhanced technology are in progress.


Asunto(s)
Pared Abdominal , Hernia Ventral , Hernia Incisional , Pared Abdominal/cirugía , Estudios de Factibilidad , Hernia Ventral/cirugía , Herniorrafia/efectos adversos , Herniorrafia/métodos , Humanos , Hernia Incisional/cirugía , Recurrencia , Mallas Quirúrgicas
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