Acellular Dermal Matrix in Immediate Expander/Implant Breast Reconstruction: A Multicenter Assessment of Risks and Benefits

Area of Science:

• Plastic Surgery
• Breast Reconstruction
• Biomaterials

Background:

• Acellular dermal matrix (ADM) is widely used in immediate breast reconstruction.
• Perceived benefits include improved expansion and aesthetics.
• Limited data exists on ADM's impact on patient-reported outcomes.

Purpose of the Study:

• To evaluate the effect of ADM on complications and patient-reported outcomes in immediate expander/implant breast reconstruction.
• To compare outcomes between patients who received ADM and those who did not.

Main Methods:

• Prospective cohort study of 1297 patients undergoing postmastectomy reconstruction.
• Data collected from 10 centers between 2012-2015.
• Utilized medical records, BREAST-Q, and Numeric Pain Rating Scale for outcome assessment.

Main Results:

• No significant differences in overall or major complications, wound infections, or reconstructive failures at 2 years.
• No difference in time to expander/implant exchange.
• Patient-reported outcomes (satisfaction, psychosocial, sexual, physical well-being, pain) were similar between ADM and non-ADM groups.

Conclusions:

• ADM showed no significant effect on complications, exchange time, or patient-reported outcomes in immediate breast reconstruction.
• Further research is needed to identify criteria for selective ADM use.
• The findings challenge the routine use of ADM in this setting.