Primary Breast Augmentation Using Autologous Fat Grafting
There are group of patients that do not want implants. these patients want to have a more natural look and feel. These patients tend to be older, have been pregnant, have lost upper fullness, and most of them want only minimal size change. Fat grafting can provide size and natural feel without the use of breast implants. For significant size changes, more than one session will be needed. The most important point that fat transfer to breast is emphasis on “Quality rather than Quantity” like greatest enhancement at the cleavage; the area not often enhanced by submuscular implants.
Therefore, today in cosmetic surgery, it is possible to achieve an increase in breast volume by tinny scars technique & without using synthetic material, this technique is particularly indicated in patients:
- Who refuses prostheses.
- Aim at a natural result over time in patients with a modest breast volume.
- Do not want an excessive increase in the breast volume. If they want, they have to understand that more than one session will be needed.
Candidates for this surgery are also those who have been pregnant and have breast-fed their children. In these patients, the breast is undoubtedly emptier in the superior quadrants and droopier for that, they are looking to full and enlarge only the upper portion of their breast.
The patients for breast enlargement by fat transfer must have:
- Realistic expectations before surgery; patient needs to know that one session of fat transfer to breast is to full her bra. It is uncommon to shift the brassiere to size larger in one session. So, the consultation is very helpful when it assisted with 3D imaging and using software like Vectra machine to give them the expected outcome from the surgery.
- Unwanted fat located in the areas of the body that can provide enough fat to ensure an increase in volume by at least one cup bra size.
This surgery besides providing tissue to increase breast volume, fat harvesting also promotes, by lipoaspiration, an improvement in body profile and contour. This surgery represents 2 in 1 (Breast Reshaping plus Body Contouring)
Breast Augmentation by fat transfer is not recommended in:
- Extremely slender patients.
- Patients with moderate to severe glandular or skin ptosis are not indicated to lipofilling of breast without combining it with breast lift surgery.
- Patients who have possible familiarity for breast carcinoma.
Fat Transfer Enriched with Stem Cells
as (SVF or Cultured ADSCs) to
Optimize the Outcomes
Adding Adipose-derived Stem Cells (ADSCs) to transplanted fat whether as expanded & cultured stem cells or as SVF (Stromal Vascular Fraction) has led to a novel technique of fat grafting specially for primary breast augmentation which was termed Cell-Assisted Lipotransfer (CAL). Recently, the studies have demonstrated that the number of ADSCs in aspirated fat tissue is less than that in excised fat because most of the stromal tissue, in which some of the stromal cells including stem cells (ADSCs) exist, in the subcutaneous fat remains in the donor site. therefore , CAL is thought to be effective by normalizing the number of ADSCs in the aspirated fat by increasing the number of ADSCs in the aspirated fat by adding on-site prepared SVF or previously prepared cultured expanded stem cells. thereby, converting relatively ADSCs-poor aspirated fat to ADSCs-rich fat.
Benefits of Stem Cells in a Fat Transfer
- Grow new blood vessels to nourish the fat.
- Release anti-inflammatory agents to aid healing.
- Generate and release growth factors that support graft survival
- Improve skin tightening and rejuvenation.
- No risk of allergic or adverse reaction.
- The therapeutic target is converting relatively ADSCs-poor aspirated fat to ADSCs-rich fat.
Complications of Breast Augmentation by Fat Transfer
With this surgery the patient will be free from concerns associated with foreign materials and related complications and potential implant replacement or removal.
Problems related to beast lipofilling derived from fat necrosis can be seen appear as cyst formation and calcification. Small cysts (<8 mm) can be detected by ultrasonic examination and usually disappear between 6-18 months, so no treatment is needed. small calcification may occur 1-2 years after surgery but they are usually easy to distinguish from malignant signs and mount of it could be less than calcification than can occur with other breast surgeries like breast reduction. A large volume of fat injection in small recipient breast can cause more fat necrosis.
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