Currently, autologous fat grafting is the common surgery employed in the department of plastic and cosmetic surgery. Complications after fat grafting (such as fat necrosis, calcification, and fat embolism) are the difficulties and hotspots of the current research. Fat necrosis is one of the most common complications after fat grafting, which directly affects the survival rate and surgical effect. In recent years, researchers in various countries have achieved great results on the mechanism of fat necrosis through further clinical and basic studies. We summarize recent research progress on fat necrosis in order to provide theoretical basis for diminishing it.
Background: Incision blepharoplasty is very common among aesthetic surgery, but the effect of it varies considerably. The quality of incision blepharoplasty is mainly defined by operator's ability, which will result in the uncertainty of operation result. We are committed to seeking a principle to guide every operator to achieve optimum success. Materials and Methods: A retrospective study of 150 patients experienced the new method from January 2020 to May 2022. This method was mainly divided into 4 steps. Firstly, released adhesion between the orbital septum and the levator aponeurosis and the connection between the orbital septum and the pretarsal fascia. Then, dealt with the epicanthus to reduce the resistance. Third, improve the lifting force of opening eyes or decrease the resistance of opening eyes to keep the balance of biomechanics in the upper eyelid. Last, sutured and closed the incision. The postoperative outcomes were assessed by "Global Aesthetic Improvement Scale." Result: The follow-up period at last for 3 months.-The results showed that the rate of "Very much improve" was 88% (132 patients); that of "Much improve" was 9.3% (14 patients); that of "Not change" was 0.6% (1 patient); and that of "Worse" was 2% (3 patients). The recovery time of patients varied from 2 weeks to 1 month. And the complications of the narrowing and lightening of the double-eyelid line decreased. Conclusion: Applying the biomechanical balance principle to incision blepharoplasty can generate a more beautiful doubleeyelid line and is less likely to trigger off complications.
Background: A variety of options are available to repair the small facial soft tissue defects after surgical removal of cutaneous tumor, including direct suture, skin grafts, local, regional or free flaps. However, tissue regeneration is another option for repairing facial defects. This study proposes the clinical application of the principle of tissue regeneration priority in small defects (diameter <1.3 cm) of facial soft tissue. Methods: A retrospective study of 33 patients whose facial defects were repaired by tissue regeneration healing in situ from January 2019 to January 2022. In this group, the facial soft tissue defects were treated with wound moist theory in order to promote wound regeneration. Result: All patients underwent 1 month follow-up at least and the longest follow-up time was 6 months. Hundred percent of the patients were satisfied with their cosmetic outcome. Only some patients formed small depression scars after surgery, the appearance of which were similar to acne scar. In this situation, re-resection and laser treatment could be used as complementary procedures. However, no patient underwent the secondary treatments including laser and re-resection. Conclusion: Healing by tissue regeneration is an effective option for the facial defects in Asians. For most of the small soft tissue defects of the face, tissue regeneration in situ can achieve satisfactory effects. More importantly, it has the advantages of simple operation and fewer complications.
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