The circumference of the abdomen, saddlebags, or thighs will be reduced visibly. Many factors, including the patient's BMI, will determine the extent of the reduction. As their body begins to naturally eliminate disrupted fat cells after the first treatment, many patients report improvement after two to three weeks.   It often takes a couple of months for optimal results to be noticed. As a result of the BTL VANQUISH ME procedure, fat cells are permanently eliminated. It is impossible to regenerate fat cells that have been destroyed for good. In order to prevent the growth of new fat cells in the body, the patient must maintain a healthy and balanced lifestyle.