Mini Gastric Bypass

A mini gastric bypass is a procedure done on the stomach and intestines to help people lose weight. It is a type of bariatric surgery.

  • Call Your Doctor

    After you leave the hospital, call your doctor if any of the following occurs:

    • Signs of infection, including fever and chills
    • Redness, swelling, increasing pain, excessive bleeding, or discharge from the incision site
    • Cough, shortness of breath, chest pain, or severe nausea or vomiting
    • Worsening abdominal pain
    • Blood in the stool
    • Pain, burning, urgency or frequency of urination, or persistent bleeding in the urine
    • Persistent nausea and/or vomiting
    • Pain and/or swelling in your feet, calves, or legs
    • Sudden shortness of breath or chest pain
    • Any other worrisome symptoms

    In case of an emergency, call for medical help right away.

  • Definition

    A mini gastric bypass is a procedure done on the stomach and intestines to help people lose weight. It is a type of bariatric surgery.

    Abdominal Organs
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    Copyright © Nucleus Medical Media, Inc.

  • Possible Complications

    If you are planning to have a mini gastric bypass, your doctor will review a list of other complications such as:

    • Adverse reaction to anesthesia, especially in patients who also have sleep apnea
    • Infection
    • Blood clot formation in the veins of the legs or lungs
    • Excess bleeding
    • Leaking of stomach contents into the abdominal cavity
    • Hernia formation
    • Death (rare)

    Conditions that may develop after surgery may include:

    • Gallstones
    • Dyspepsia or ulcers
    • Scar tissue formation creating a bowel obstruction
    • Low blood sugar called hypoglycemia
    • Nutritional deficiencies particularly low levels of protein or vitamins
    • Body image distortion—patients have difficulty adjusting to their new appearance
    • Inability to lose weight after surgery
    • Excess weight loss (rare)

    Factors that may increase the risk of problems include:

    • Smoking
    • Recent or chronic illness, such as kidney disease
    • Diabetes
    • Increased age
    • Heart or lung disease
    • Bleeding or clotting disorders

    Talk to your doctor about these risks before the procedure.

  • Reasons for Procedure

    A mini-gastric bypass is a treatment for obesity. The procedure will help limit overeating and decrease how many calories you absorb.

    A mini gastric bypass may be recommended for people with a:

    • Body mass index (BMI) greater than 40
    • BMI greater than 35 with cardiovascular disease, sleep apnea or uncontrolled type 2 diabetes
    • BMI greater than 35 with severe physical limitations that affect employment, mobility, and family life

    This procedure may be done after a person has failed to lose weight by other ways such was healthful eating and exercise.

    Benefits of bariatric surgery will depend on lifestyle changes that are also adopted. Benefits may include:

    • Long-term weight loss
    • Improvement in many obesity-related conditions, such as diabetes, sleep apnea, high blood pressure, and high cholesterol
    • Improved mobility and increased energy
    • Improved mood, self-esteem, and quality of life
    • Reduced risk of dying from cardiovascular disease

  • What to Expect