Recurrent abdominal laxity following interpositional human acellular dermal matrix.
Repair of large complex abdominal hernias with significant loss of domain requires component separation in combination with either a synthetic or biologic interpositional material. We previously described an algorithm for complex abdominal hernia repair, which incorporates Alloderm as an interpositional material and selective use of prolene mesh as an overlay. We now report recurrent laxity in a series of patients who were repaired with interpositional Alloderm alone without prolene mesh overlay. We reviewed all patients who underwent repair of massive ventral hernias and identified 7 patients who presented with abdominal wall laxity following component separation with interpositional Alloderm alone. All patients developed laxity within 12 months and required a secondary procedure. At the time of re-exploration, severe attenuation in the Alloderm was noted. The segment was excised, the edges closed primarily, and prolene mesh was placed as an onlay. Although Alloderm has been reported to be an effective biologic material for abdominal hernia reconstruction, we have noted significant laxity requiring secondary intervention.
Bluebond-Langner, R; Keifa, ES; Mithani, S; Bochicchio, GV; Scalea, T; Rodriguez, ED
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