What is the best Revision Surgery for a failed Vertical Sleeve Gastrectomy?

I underwent VSG in 2014 at a 238lbs at 5.2 height. I lost weight up to 198lbs in 2 years and I started gaining it back up to 209lbs. I have gone back on yoyo dieting and now 205 and this is depressing me. I want about 150lbs So I am considering revision to MINI Bypass or Plication or resleeving. But some concerns (1) higher risk (2) loosing too much weight (3) surgery failing again.

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