• During the first week after surgery, diet consists only of liquids

  • During the second week, diet is based on purees

  • During the third week, food will be practically normal (there are hormone mechanisms that regulate the weight loss step by step)

Weight loss is stabilized within a year and a half after surgery. The patient losses 90% of overweight and then weight lost calms down. Stabilization is achieved because the organism adapts to a minor amount of calories.

 

% of excess of weight lost after gastric bypass

Month after surgery

35 - 39 Kg/M2 

40 - 49Kg M2 

50Kg M2 +

 

Simple severe obesity 

Morbid

 Superobesity

1M  32.±  6.7 23.9  ±  5.1 17.6  ±  3.6
3M 50.0  ±  16.7 46.4  ±  8.9 33.3  ±  6.5
6M 81.5  ±  9.9 67.8  ±  12.7 50.7  ±  9.0
9M 90.5  ±  7.5 79.1  ±  14.5 60.4   ± 8.5
12M 95.7  ±  7.5  85.6  ±  13.3 78.6  ±  13.2


Obesity Surgery Vol 7 Number 2 April 1997.

Centro Médico Hidalgo
Av. Hidalgo No. 2425 Consultorio No. 903   Col. Obispado
C.P. 64060 Monterrey, Nuevo León. México.

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