Redesigned gluteal artery perforator flap for breast reconstruction

Area of Science:

• Plastic Surgery
• Reconstructive Surgery
• Microsurgery

Background:

• The standard elliptical gluteal artery perforator (SE-GAP) flap is an alternative for breast reconstruction but is technically challenging with high complication rates.
• The transverse rectus abdominis myocutaneous flap is another option, but perforator flaps offer advantages in specific cases.

Purpose of the Study:

• To evaluate the reliability and outcomes of the redesigned gluteal artery perforator (R-GAP) flap compared to the SE-GAP flap for breast reconstruction.
• To determine if the R-GAP flap can overcome the technical difficulties and high complication rates associated with the SE-GAP flap.

Main Methods:

• Retrospective review of 12 patients (13 breasts) undergoing either SE-GAP or R-GAP flap breast reconstruction.
• Prospective data collection and longitudinal follow-up of all patients.
• Statistical comparison of complication rates and cosmetic outcomes between SE-GAP and R-GAP flaps using Fisher's exact test.

Main Results:

• The R-GAP flap demonstrated a significantly lower overall complication rate (29%) compared to the SE-GAP flap (67%).
• Recipient-site complications were lower with R-GAP (14%) versus SE-GAP (50%) flaps.
• Cosmetic outcomes favored R-GAP flaps, with no cases of insufficient volume or irregular contour, and fewer major revisions compared to SE-GAP flaps.

Conclusions:

• The redesigned gluteal artery perforator (R-GAP) flap is a more reliable option for breast reconstruction than the SE-GAP flap.
• The R-GAP flap facilitates successful reconstruction of larger breasts and leads to superior cosmetic results.
• Incorporation of the R-GAP flap into clinical practice is recommended for improved patient outcomes in breast reconstruction.