Gastric Bypass Surgery at Tasmania Anti-Obesity Surgery - PowerPoint PPT Presentation

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Gastric Bypass Surgery at Tasmania Anti-Obesity Surgery


Gastric Bypass surgery is an irreversible weight loss procedure where the stomach is partitioned to a small upper pouch and a much larger lower remnant pouch and then the small intestine is rearranged to connect to the new gastric pouch. For detailed information about this procedure, visit our website. – PowerPoint PPT presentation

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Updated: 14 October 2017
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Provided by: tasmaniaantiobe


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Title: Gastric Bypass Surgery at Tasmania Anti-Obesity Surgery

Gastric Bypass Surgery at Tasmania Anti-Obesity
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  • A gastric bypass is an irreversible procedure.
    It involves dividing the stomach into a smaller
    upper section, or pouch and connecting the
    small intestine directly to that pouch. The
    result is that the stomach volume is reduced,
    as is the length of effective small intestinal
  • Post-surgery, the patient therefore
    experiences a feeling of fullness after consuming
    less food since the pouch fills up much faster
    than the previous, larger, stomach.

  • This is a procedure that the Tasmanian Anti
    Obesity Surgery Centre performs in Hobart.
  • The procedure is mostly carried out
    laparoscopically, which is a procedure that is
    less invasive and commonly referred to as
    keyhole surgery. The main benefits of this type
    of surgery being used to perform a complex
    procedure like a gastric bypass is that it is
    less stressful on the body, and thus recovery
    times are often faster (when compared to a
    non-laparoscopic procedure).

  • This type of weight loss surgery can lead to a
    60-70 loss of total weight over a period of 24
    months. Howeverit is vitally important that the
    patient adheres to all the advice, check-ups and
    necessary safety precautions for this to occur.

  • This gastric surgery also reduces the
    absorption of nutrients into the body and so
    reduces the overall calorie intake a primary
    catalyst for weight-gain. Unsurprisingly,
    limiting this intake leads to weight loss because
    the patient will tend to expend more energy in
    their daily lives compared to what they are

  • To supplement this need for energy, the body
    will look to burn its fat stores hence weight
    loss.Since this procedure is not reversible,
    long term nutritional/mineral supplements are
    required in order to avoid anaemia and vitamin
  • Residual stomach capacity 30-50mls
  • Estimated weight loss 60-70 EWL over 2

Advantages of Gastric Bypass Surgery
  •  Dumping syndrome if sweets and chocolates
  •  Good operation for sweet eaters
  •  Long track record
  •  Tend to lose a little more weight than gastric

Disadvantages of Gastric Bypass Surgery
  •  Open surgery therefore increased risks
  •  Longer recovery time
  •  Permanent
  •  Not reversible
  •  Staple line leak
  •  Minor late weight regain 10-20 after 2-5 yrs
  •  Nutritional/ mineral supplements required

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