Summary: Deep inferior epigastric artery perforator (DIEP) flap surgery is one of the most common techniques for breast reconstruction using abdominal tissue. Although the DIEP flap reduces donor-site morbidity when compared with the conventional free transverse rectus abdominis musculocutaneous flap, violation of the anterior rectus sheath, rectus muscle, and motor nerves cannot be avoided. To further minimize tissue damage in the donor site, the use of a surgical robotic system for DIEP flap harvest with a totally extraperitoneal approach has been suggested. This totally extraperitoneal approach has a long learning curve because of the narrow preperitoneal space and the difficulty of converting a potential space to an actual space. Thus, the authors suggest a single-port robotic system optimized for narrow surgical spaces as a feasible option for DIEP flap harvest by a totally extraperitoneal approach, which has a shorter learning curve.
BackgroundImplant-based breast reconstruction is being performed more frequently, and implants are associated with an increased risk of infection. We reviewed the clinical features of cases of implant infection and investigated the risk factors for breast device salvage failure.MethodsWe retrospectively analyzed 771 patients who underwent implant-based breast reconstruction between January 2010 and December 2016. Age, body mass index, chemotherapy history, radiation exposure, and smoking history were assessed as potential risk factors for postoperative infection. We also evaluated the presence and onset of infection symptoms, wound culture pathogens, and other complications, including seroma, hematoma, and mastectomy skin necrosis. Additionally, we examined the mastectomy type, the use of acellular dermal matrix, the presence of an underlying disease such as hypertension or diabetes, and axillary node dissection.ResultsThe total infection rate was 4.99% (58 of 1,163 cases) and the total salvage rate was 58.6% (34 of 58). The postoperative duration to closed suction drain removal was significantly different between the cellulitis and implant removal groups. Staphylococcus aureus infection was most frequently found, with methicillin resistance in 37.5% of the cases of explantation. Explantation after infection was performed more often in patients who had undergone 2-stage expander/implant reconstruction than in those who had undergone direct-to-implant reconstruction.ConclusionsPreventing infection is essential in implant-based breast reconstruction. The high salvage rate argues against early implant removal. However, when infection is due to methicillin-resistant S. aureus and the patient’s clinical symptoms do not improve, surgeons should consider implant removal.
Robotic surgical systems enhance surgical accuracy and efficiency by applying advanced technologies such as artificial arm joints to provide higher degrees of freedom of movement and high-quality three-dimensional images. However, the application of robotic surgical systems to breast surgery has not been widely attempted. The robotic system would improve cosmesis by enabling surgery using a single small incision. We report the first case of a gasless robot-assisted nipple-sparing mastectomy and immediate reconstruction in a patient with early breast cancer.
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