Reconstruction of Diaphragmatic Defects With Human Acellular Dermal Matrix
Plastic Surgery Case Studies(2018)
Abstract
Large diaphragmatic defects present a reconstructive challenge, often necessitating the use of synthetic materials. We report our experience reconstructing large diaphragmatic defects using human acellular dermal matrix (HADM). Patients unable to undergo primary repair of diaphragmatic defects from 2009 to 2013 were reconstructed using HADM. A chart review was performed to investigate immediate and late post-operative outcomes. Construct stability was assessed with repeat imaging. In addition, a literature review was performed to identify studies in which HADM had been used for diaphragm repair. Four patients required reconstruction of large hemi-diaphragmatic defects. All patients had chest tubes placed, which remained in situ from 4 to 10 days post-operatively. Two patients also had drains in dead space surrounding HADM; these were removed between 6 and 9 days post-procedure. Length of hospital stay ranged from 8 to 65 days. Post-operative complications were seen in 2 patients: surgical site cellulitis and failure of extubation due to persistent respiratory failure. There were no adverse events related to HADM, and all patients remained disease free without evidence of repair failure on radiographic follow-up, ranging from 14 to 62 months. The literature review identified 3 studies in which all diaphragms repaired with HADM remained intact without need for explantation despite common post-operative complications including fluid collections and surgical site infections. Diaphragm reconstruction with HADM is limited to a small number of patients and modest follow-up periods; the neodiaphragms appear durable in contaminated fields, without evidence of repair failure. Our results, and previously published data, indicate HADM is a reasonable option for diaphragm repair.
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