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VIDEO DOI: https://doi.org/10.48448/a8ke-vb27

poster

AMA Research Challenge 2024

November 07, 2024

Virtual only, United States

Enhanced Performance of Dual-Port Tissue Expanders with Use of Acellular Dermal Matrix

Background: Complications following tissue expander (TE) placement for staged oncologic breast reconstruction remain a challenge. Innovations such as dual-port TEs with both filling and drainage ports mitigate seroma risk. Acellular dermal matrix (ADM) has also gained popularity due to superior structural support and cosmesis. ADM is a sterile, bioengineered soft tissue graft used for dermal reinforcement and regeneration. The purpose of this study was to compare outcomes between dual- and single-port TEs with the use of ADM.

Methods: Retrospective chart review was completed for patients who underwent TE breast reconstruction by a single surgeon between January 2018 and November 2023. Demographics, cancer treatment modality, implant data, and postoperative outcomes were examined. Analysis included descriptive statistics, F-distribution tests, Welch's t-tests, Chi-squared, and Fisher Exact tests.

Results: 154 breasts were included: 118 single-port TEs (74 with ADM, 62.7%) and 36 dual-port TEs (11 with ADM, 31.0%). Premature explant was needed for 15.3% of single-port and 28.5% of dual-port TEs (p=0.328). Explant in both groups was due to infection, wound healing problems, rupture, and seroma. However, premature explant of dual-port TEs occurred predominantly without ADM (p=0.0075), contrasting single-port TEs where ADM use showed no significant difference in explant rate. Further, incidence of infection was higher in dual-port expanders without ADM (p-value=0.0071), whereas single-port TE infection trended higher with ADM use.

Conclusions: Both single and dual-port tissue expanders are safe and effective for staged breast reconstruction, without significant differences in the rate of premature explantation. In this cohort, ADM appears protective when used with dual-port TEs. It is possible that ADM’s homogenous surface safeguards the drain port from clogging with subcutaneous fat or other tissue, decreasing risk of fluid collection and infection. Routine ADM use with dual-port TEs could reduce complications and improve patient outcomes. Additional research is needed to facilitate evidence-based decision-making on single versus dual-port TE placement and utility of ADM.

Next from AMA Research Challenge 2024

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poster

Heterotopic Ossification After Burn Injury Results in Worse Outcomes

AMA Research Challenge 2024

Mbinui Ghogomu

07 November 2024

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