After a gastroplasty or a gastric bypass, it is advised at the time of weight loss, to practise a moderate sports activity at the beginning, then increasing, in order to develop the muscular mass gradually to prevent a important cutaneous relaxation.

Moreover, good hydration of the skin (not scented pharmacological hydrating creams) increases the tonicity of the skin, and limit its flaccidity.

Despite these precautions, it frequently happens that weight loss causes a satisfaction for the patient in his everyday life, but the image of himself in nudity brings a disappointment, because the patient does not recognize himself in a flask body.
This can have heavy consequences on the private life of the patients who are sometimes discouraged and who have ''shame'' of their body.

The plastic and reconstructive surgery can be useful in these cases to withdraw the cutaneous folds, to lipo aspirate the greasy residues, and to reorganize the body.

Two conditions are necessary before any intervention : the relative ponderal stability and the total stop smoking, in order to reduce the risks of cutaneous necrosis.

A psychological preparation by discussion surgeon-patient, or psychologist-patient is essential to prepare the patient for the post surgical time, with a respect of his body in order to help to obtain the optimum result.

It is by working the scars, by using a good alimentation, by maintaining a physical activity and especially by controlling its weight, that the patient will be able to hope for a good long-term result.

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