Botulinum Toxin A Facilitates Fascial Closure in Complex Incisional Hernias

Incisional Hernia

Complex incisional hernia, Ventral hernia repair, Abdominal wall reconstruction, Botulinum toxin injection, Prehabilitation

Brief Study Description This prospective observational study evaluates the use of preoperative botulinum toxin A as part of a structured clinical pathway for patients undergoing elective repair of complex midline incisional hernias. Botulinum toxin A is administered before surgery to temporarily relax the abdominal wall muscles, with the aim of improving abdominal wall flexibility and facilitating closure of the hernia without the need for more extensive surgical techniques. The study collects clinical, radiological, and postoperative outcome data to assess surgical feasibility, complications, and early recurrence. The overall goal is to better understand how preoperative muscle relaxation may support safer and more effective abdominal wall reconstruction.

Detailed Description This prospective observational study investigates a preoperative strategy designed to improve surgical outcomes in patients with complex midline incisional hernias. These hernias often involve large abdominal wall defects and significant muscle retraction, which can make surgical repair difficult and increase the risk of complications. To address these challenges, the study evaluates the use of botulinum toxin A administered before surgery as part of a standardized clinical pathway known as the BRIDGE-HERNIA protocol. Botulinum toxin A is injected into the lateral abdominal wall muscles several weeks before the planned operation. Its temporary muscle-relaxing effect increases the flexibility of the abdominal wall, which may allow surgeons to close the hernia defect more easily and avoid more invasive surgical techniques. All patients undergo detailed preoperative assessment, including imaging studies, to evaluate abdominal wall anatomy and to plan the surgical approach. After botulinum toxin administration, imaging is repeated to assess changes in muscle length and hernia dimensions. The study prospectively collects clinical, radiological, surgical, and postoperative data. Primary outcomes include the feasibility of achieving direct fascial closure without advanced component separation techniques. Secondary outcomes include postoperative complications, length of hospital stay, early hernia recurrence, and patient-reported quality of life. Because the study is observational, all treatments are delivered according to routine clinical practice, and no additional experimental interventions are assigned by the study protocol. The results of this study aim to improve understanding of how preoperative muscle relaxation can support safer and less invasive surgical repair of complex incisional hernias, and to provide evidence that may help optimize surgical planning and patient selection in abdominal wall reconstruction.

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