Thanks all for your comments, and to the Dr for his medical opinion.
From what Dr
Oates has written, that the reasons for retraction aren't solved by
Ligamentolysis, it would seem sensible (to me) to conclude that the causes of retraction are not removed by ligementolysis (ie cold, fear, exercise) but that the effect is reduced because there is less capability to drawn back - the suspensory ligament has been severed.
Similarly, and as reported from the Dr's patients, it seems as if
HA fillers do provide some resistance to retraction so that's really positive. I'm not likely to sport an 'innie' myself, unless I take an ice bath, so although I will retract in most circumstances its not as bad as that; maybe that's good enough.
Personally, I think my approach will be:
1.
HA filler and see how it goes.
2. Fat pad lipo if my diet doesn't pay off and I feel it's going to tip the balance.
3.
Ligamentolysis
May combine 2 & 3 for cost & ease and if it really seems like I have to go with
Ligamentolysis, in which case why not do lipo at the same time.