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1.
Plast Reconstr Surg Glob Open ; 12(3): e5695, 2024 Mar.
Article in English | MEDLINE | ID: mdl-38525493

ABSTRACT

Background: The rejuvenation and restoration of a well-defined jawline contour are crucial for enhancing facial aesthetics in both men and women. Within the jawline aesthetic unit (mandibular angle), the masseter muscle plays a significant role, as it is responsible for mandibular masticatory movements. We propose a new approach using ultrasound-guided intramuscular fat transfer to enhance the mandibular angle and jawline. Methods: The multicenter study included 20 patients from three countries (Peru, Brazil, and Mexico). After fat harvesting, the ultrasound-guided masseteric fat transfer was performed with a 1.5-mm Viaro cannula from an incision beneath the ear lobule. The fat was then injected intramuscularly into the masseter at each side of the mandibular angle. Results: Masseter ultrasound-guided fat transfer was performed on 10 men and 10 women between 2021 and 2022. The patients had a mean age of 34.4 ±â€…6.39 years and a mean body mass index of 22.39 ±â€…2.59 kg per m2. The mean injected volume was 5.83 mL and 5.58 mL on the right and left sides, respectively. Muscle thickness increased in patients immediately postsurgery, but decreased after 1 month. The muscle remained significantly thicker on each side than the presurgery measurements in patients regardless of gender (both P < 0.0001). Conclusions: Ultrasound-guided intramuscular fat transfer is a safe and reproducible technique for enhancing the jawline contour at the mandibular angle. We believe that it could be a more durable solution than other procedures, although further evaluation of long-term results is necessary.

2.
Plast Reconstr Surg Glob Open ; 11(1): e4651, 2023 Jan.
Article in English | MEDLINE | ID: mdl-36733948

ABSTRACT

Arm contouring usually represents a challenge for the surgeon due to zones with high risk of irregularities/asymmetries, the variable degree of skin laxity, and the differences between patient/gender preferences. In men, the bigger and muscular the arms the better, while women tend to prefer a slim and soft silhouette. Methods: We performed arm cadaveric dissections and also searched our records for patients who underwent fat grafting of the arm in addition to HD2, from January 2016 to May 2022 at a single center in Bogotá, Colombia. Results: Two hundred eighty-nine consecutive patients (275 men and 14 women) underwent high-definition lipoplasty/HD2 plus fat grafting of the biceps (72 muscles), the triceps (46 muscles), the deltoids (426 muscles), or a combination of them. Mean age was 39 and 36 years for men and women, respectively. Range of the fat graft volume was 30-150 ml. No major complications were reported. Follow-up period ranged from 2 to 24 months. Most patients were satisfied with the results. Conclusions: Men usually seek an overall well-toned and muscular extremity, while women tend to prefer a slim but also athletic contour. Such outcomes can be achieved through intramuscular fat grafting of the biceps, triceps, and deltoids. The proper recognition of the pedicles and a precise surgical technique will ensure both its safety and the reproducibility of the results.

3.
Plast Reconstr Surg Glob Open ; 11(1): e4765, 2023 Jan.
Article in English | MEDLINE | ID: mdl-36733949

ABSTRACT

One big challenge of body contouring surgery is the liposculpture of the lower limbs, probably because of the imperative symmetry and the risk of contour irregularities. We are reporting our experience in fat grafting of the thighs and calves for men and women undergoing dynamic definition liposculpture. Methods: We did cadaveric dissections of the vastus lateralis, vastus medialis, rectus femoris, and gastrocnemius muscles and identified each of their primary pedicles. We also performed fat grafting of these muscles in the contralateral virgin cadaveric specimen. We searched our records for patients who underwent fat grafting of the lower extremity in addition to dynamic definition liposculpture, from January 2016 to May 2022 at a single center in Bogotá, Colombia. Results: Seventy-three consecutive patients met the inclusion criteria (26 men and 47 women). We grafted 102 gastrocnemius muscles, 86 vastus medialis muscles, 98 vastus lateralis muscles, and 22 rectus femoris muscles. Mean age was 34 and 41 years for men and women, respectively. Range of the fat graft volume was 50-200 mL. No complications were recorded related to fat grafting. Almost all patients were satisfied with the procedure (89%). Follow-up period ranged from 2 to 36 months. Conclusions: Fat grafting of the lower limb muscles should be considered an alternative operative technique to enhance volume and athletic appearance of this body segment. Based on cadaveric dissections and clinical evidence, our technique is considered reliable and reproducible with remarkable outcomes and a very low complication rate.

4.
Plast Reconstr Surg Glob Open ; 11(1): e4587, 2023 Jan.
Article in English | MEDLINE | ID: mdl-36776584

ABSTRACT

The aesthetics for the male posterior torso remain a topic not fully studied in body contouring surgery, neither the lipoinjection of its muscles have been considered before. As a result, we carried out a retrospective cohort study including patients who underwent fat grafting of either the trapezius or the latissimus dorsi muscles as part of dynamic definition liposculpture (HD2). Methods: We performed cadaveric dissections to support the fat grafting technique for both the trapezius and the latissimus dorsi muscles. We also searched our records for patients who underwent fat grafting of these muscles in addition to HD2 from January 2016 to November 2021 at a single center in Bogotá, Colombia. Results: Thirty-five consecutive patients met the inclusion criteria. In total, 22 (63%) and 7 (20%) of 35 underwent fat grafting at the trapezius and the latissimus dorsi muscles alone, respectively, and 6 out of 35 (17%) of both. Mean age is 39 years (range = 22-63). All patients were men. No complications were recorded related to fat grafting. Almost all patients were satisfied with the procedure (97%). Follow-up period ranged from 2 to 48 months. Conclusions: Liposuction might not be enough to achieve the ideal V-shape of the men's back in some cases; hence, fat grafting of the power muscles becomes the best option. Recognition of the main neurovascular pedicle, proper preoperative markings, and a correct surgical technique ensure both the safety and the reproducibility of the technique.

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