Abstract
Background
Closing the defect (CD) during laparoscopic ventral hernia repair began to be performed in order to decrease seroma, to improve the functionality of the abdominal wall, and to decrease the bulging effect. However, tension at the incision after CD in large defects is related to an increased rate of pain and recurrence. We present the preliminary results of a new technique for medium midline hernias as an alternative to conventional CD.
Methods
A prospective controlled study was conducted from January 2015 to January 2017 to evaluate an elective new procedure (LIRA) performed on patients with midline ventral hernias (4–10 cm width). The posterior rectus aponeurosis was opened lengthwise around the hernia defect using a laparoscopic approach to create two flaps and was then sutured. The size of the flaps was estimated using a mathematical formula. An on-lay mesh was placed intraperitoneal overlapping the fascia defect. The data analyzed included patient demographics, operative parameters, and complications. A computerized tomography was performed preoperatively and postoperatively (1 month and 1 year) to evaluate recurrence, distance between rectus and seroma.
Results
Twelve patients were included. Mean width of the defect was 5.5 cm. Average VAS (24 h) was 3.9, 1.1 (1 month), and 0 (1 year). Mean preoperative distance between rectus was 5.5 cm; postoperative was 2.2 cm (1 year). Radiological seroma at first month was detected in 50%. Mean follow-up was 15 months.
Conclusion
The LIRA technique could be considered as an alternative to conventional CD or endoscopic component separation for medium defects under 10 cm in width. This technique obtained a "no tension" effect that could be related to a lower rate of postoperative pain with no recurrence or bulging, being a safe, feasible, and reproducible technique.
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