Unilateral failures in bilateral microvascular breast reconstruction

Area of Science:

• Plastic Surgery
• Oncology
• Microsurgery

Background:

• Bilateral prophylactic mastectomy rates have risen, increasing the need for bilateral microvascular breast reconstruction.
• Data on unilateral flap failure in these complex reconstructions is limited.
• Effective strategies for managing flap failure are essential for optimal patient outcomes.

Purpose of the Study:

• To analyze the incidence and causes of unilateral flap failure in simultaneous bilateral microvascular breast reconstructions.
• To evaluate the techniques used for secondary reconstruction following flap failure.
• To provide insights into managing challenges in bilateral breast reconstruction.

Main Methods:

• Retrospective review of simultaneous bilateral microvascular breast reconstructions (July 1999 - July 2008).
• Identification and analysis of flap failures, including operative parameters and causes.
• Review of secondary reconstruction techniques for failed flaps.

Main Results:

• 171 patients underwent 342 bilateral microvascular breast reconstructions.
• Overall flap failure rate was 3.5% (12 of 342 flaps).
• Unilateral flap failure rate was 2.1%; causes included venous insufficiency and perforator issues. No bilateral failures occurred.

Conclusions:

• Flap failure is more frequent in bilateral than unilateral breast reconstructions due to donor site constraints.
• Despite free flap failure, successful bilateral reconstruction is achievable using prosthetic techniques.
• Secondary reconstruction with tissue expanders and implants is a viable option after flap loss.