Lateral abdominal wall reconstruction

Abstract

Lateral abdominal wall (LAW) defects are defined as hernias, bulges, or surgical wounds that occur within the anatomic region bounded by the linea semilunaris, costal margin, iliac crest, and paraspinous musculature. Reconstruction of the LAW is complicated by the relatively complex anatomy, asymmetric biomechanical forces on the repair, and progressive nature of concomitant denervation injuries. Furthermore, the relative rarity and varied nature of these defects have complicated comparative analysis and the development of consensus regarding optimal surgical management. Although mesh reinforcement of LAW defects is a universal component of available repair techniques, significant variation exists regarding mesh material selection, anatomic plane utilization, and extent of mesh reinforcement. Special consideration must be given to extirpative defects that extend beyond the aforementioned boundaries of the LAW. In this review, we outline the incidence of LAW defects, pertinent risk factors, common history and physical examination findings, supplementary diagnostic modalities, defect classification systems, surgical indications, and available repair techniques. The outcomes data in this review are presented to help guide surgical management and optimize outcomes for affected patients.

Keywords

Abdominal wall hernia / flank hernia / biologic mesh / acellular dermal matrix / synthetic mesh / polypropylene surgical mesh / outcomes

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