Abstract

Background: Gluteal hypoplasia and ptosis reduction are common concerns among patients seeking optimal body contouring in Peru and other countries. Although silicone implants are a traditional solution, they are not suitable for all patients. Fat grafting has emerged as an alternative, with various techniques aimed at enhancing fat graft viability and patient safety. Methods: We conducted a study to evaluate the effectiveness and safety of ultrasound-guided helium pneumodissection for gluteal-hip contouring. Between January 2021 and December 2022, 220 patients with varying degrees of gluteal hypoplasia were treated using ultrasound-assisted helium pneumodissection. Results: The amount of fat grafted ranged from 200 to 1500 mL per buttock, with most patients receiving 701–800 mL. The integration of color Doppler ultrasound allowed for precise visualization throughout the procedure and safe placement of fat grafts. Helium pneumodissection facilitated efficient fat graft injection with reduced resistance at the recipient site. Mild complications included temporary hyperthermia in 4.5% of patients and one instance of retraction in the lower quadrant of the right buttock. Conclusions: Ultrasound-guided helium pneumodissection for gluteal-hip contouring demonstrates significant advantages in patient safety, fat graft viability, and overall satisfaction. This advanced technique allows for efficient fat injection with reduced resistance in the subcutaneous plane, minimizing the risk of deep plane injections into the muscle. Although occasional mild complications were observed, they were manageable and did not compromise the overall safety of the technique.

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