When doing a BBL - how much of the injected fat usually stays? To my understanding its only 1/3? Is that about right?

Question

If injecting 1000 cc of fat in each buttock for bbl, will only usually 1/3 remain as results?

Joel Patrick Maier, MD · Answer

They key to graft survival is not jamming as much fat as you can into the buttocks; it takes
meticulous injection technique. If done carefully in small aliquots, you can
expect at least 60% survival. There is a maximum amount one can inject in one
session as the amount of viable graft bed decreases as more graft is injected.
Make sure you find an experienced surgeon who knows the fundamentals of fat
transfer . . .

Luis Macias, MD, FACS · Answer

Most surgeons quote around 60% fat graft survival rate.  There are studies that suggest that graft survival decreases with increased pressure common with large volume transfers. Therefore,  I prefer to process the fat in a way that decreases the total volume transferred  so as to decrease the pressure within the buttocks after the transfer and thus increase fat graft survival. Don't get hung up on the volume of fat transferred as this varies based on the way the fat is transferred, as most of the time all of the fat harvested is used to change your shape if necessary and augment your buttocks. Hope this helps and best wishes.

Kenneth Hughes, MD · Answer

I always try to liposuction as much as possible and transfer as much as possible so that patients are happy in the end.  I think that graft survival probably averages about 60%.Kenneth Hughes, MDLos Angeles, CA

Tania Medina de Garcia, MD · Answer

Hello dear!!
Thanks for the question and provided information as well. 
After a BBL, about 80% of the transferred fat cells will survive, but this should last permanently, with exercise and a clean diet. Lifting, squats and lunges after a BBL will only help increase muscle bulk and definition and achieve a more projected buttocks.
If you have any concerns, I suggest you follow up close with your plastic surgeon.
Good luck :)

Barry L. Eppley, MD, DMD · Answer

It is hard to predict in any single patient how much fat is retained from a BBL procedure as there are numerous variables. But your thought of one-third is a conservative but wise estimate. It is always better to think less will stay than more. That is the best way to avoid being disappointed form the outcome.

Steven Wallach, MD · Answer

I think that in general I seem to get about 60-75% fat survival in the patients that I treat. Now this is solely based upon visual comparison to preop photos.

When doing a BBL - how much of the injected fat usually stays? To my understanding its only 1/3? Is that about right?

Answers (6)

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