Abstract

While both anterior and posterior component separation techniques aid the repair of large ventral hernias, their outcomes can be remarkably dissimilar in terms of wound morbidity. We describe outcomes after open component separation by a single surgical team over the entire breadth of our experience. We queried a prospectively maintained database for ventral hernias who received an open bilateral component separation between January 2014 and January 2020. A retrospective review was performed to analyze patient demographics, perioperative events, adverse outcomes, and recurrence. One hundred twenty-seven patients met the inclusion criteria of which 44 underwent anterior component separation (ACS) and 83 underwent posterior component separation (PCS). The two groups were broadly similar in terms of demographic and hernia-related variables. Mesh:defect area ratios, operative time, and estimated intraoperative blood loss were higher in the PCS group. The ACS group had more frequent use of drains which remained in situ for longer, along with a longer hospital stay. Surgical site occurrences (SSOs), including those needing procedural intervention (SSOPIs) were significantly more common after ACS. This group was also more likely to undergo a reoperation within 30days of index repair. A single recurrence was noted in the ACS group after a mean follow-up duration of 43months. Open PCS may be more technically demanding than ACS, but it has a lower risk of postoperative morbidity and reoperation. While we now utilize PCS more frequently in our practice, ACS remains an important tool in our armamentarium.

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