Surgery Comparison Table

      • Technique
        Gastric Banding
        Sleeve Gastrectomy
        Gastric Bypass
      • Laparoscopic (keyhole) procedure which does not require dividing the stomach organ.
        Laparoscopic (keyhole) procedure where part of the stomach is divided and permanently removed
        Laparoscopic (keyhole) procedure which involves dividing the stomach and re-joining it to the small intestine.
      • Reversibility
        Reversible
        Irreversible
        Reversible (difficult)
      • Operating Time
        35-45 minutes
        40-60 minutes
        60-90 minutes
      • Advantages
        • The normal process of digestion is not altered
        • Lowest risk of potentially serious operative complications
        • Can be easily removed
        • Avoids a foreign object around the stomach
        • Least aftercare requirements
        • Excellent eating quality
        • significant improvement or resolution of diabetes and other conditions linked to obesity
        • One of the best long term options for weight loss
        • Greatest improvement or resolution of diabetes and other conditions linked to obesity
        • Most powerful of the three main procedures
      • Operating Time
        35-45 minutes
        40-60 minutes
        60-90 minutes
      • Risks/ Complications
        • Blood clots
        • Band or port infection
        • band slippage or pouch enlargement
        • Erosion of the band into the stomach
        • Acid reflux
        • Food intolerance
        • 10-20% chance of needing corrective surgery
        • Bleeding
        • blood clots
        • Leakage from the staple line
        • abscess
        • stomach stricture
        • Acid reflux
        • Normal digestive process is altered
        • Bleeding or blood clots
        • Anastomotic leakage from the surgical joins
        • Risk of vitamin deficiencies
        • Risk of internal hernia, ulcer and dumping syndrome
      • Duration of Hospital Stay
        1 day
        2-3 days
        2-3 days
      • Time away from work
        1 week
        1-2weeks
        1-2 weeks
      • Eating Quality
        Food can get stuck if not properly chewed, bread and steak are not well tolerated
        Good- most food types are well tolerated.
        Good- although some foods can cause dumping syndrome
      • Excess weight loss
        40-60% by 18 months
        60-70% by 12 months
        60-80% by 12 months
      • Follow-up
        Regular follow-up every month is needed to correctly adjust the band in the first 18 months. Once the goal weight is reached,  follow up once every 6 months is recommended long term.
        Regular follow-up is recommended every 3 months for the first year, or until goal weight is reached. Once the goal weight is reached, a yearly follow-up is recommended to check on the progress.
        Regular follow-up is recommended every 3 months for the first year, or until goal weight is reached. Once the goal weight is reached, follow up every 3 or 6 months to check on the progress and vitamin levels