If a patient puts weight on following a gastric sleeve procedure they may be able to consider converting to a gastric bypass.
The Gastric Bypass is a combination of restrictive and malabsorptive procedures, therefore has a two-way weight reducing effect. The gastric sleeve is a restrictive procedure only.
The Gastric bypass surgery takes approximately 2 hours, with 2-3 nights in hospital.
The attraction to this weight loss procedure is that it is considered to be permanent. Weight loss is experienced from the day of surgery and there are no regular adjustments required. It is however, a higher risk procedure.
Weight loss is dramatic at first and will then stabilise to 2-3lbs per week.
You must take daily nutritional supplements for the rest of your life and vitamin B12 injections are also recommended every 3 months to prevent Pernicious Anaemia.
Overeating and poor eating habits can still jeopardise your success and you are also likely to experience ‘Dumping syndrome’ if you consume foods that are high in sugar and fat content.
The side effects of dumping syndrome include nausea, diarrhoea, stomach cramps, sweating and dizziness.
Like any surgical procedure there are possible risks and complications which will be discussed with you at your initial consultation. They are rare and everything possible will be done to prevent them from occurring.
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Mr Naga Venkatesh Jayanthi
Mr Jayanthi is a Consultant General and Bariatric Surgeon in Hertfordshire and Essex who specialises in bariatric surgery, gallstones, hernia, endoscopy and gastric cancer.
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Mr Bruno Lorenzi
Mr Lorenzi is a Consultant Surgeon, who specialises in laparoscopic, upper GI and weight loss surgery.
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Find out moreGastric bypass revision surgery (Roux-en-y gastric bypass failure) - how it works, what's involved, procedure, benefits & risks
Gastric sleeve surgery is a restrictive procedure only. Two thirds of the stomach is resected and removed, leaving a smaller stomach in the shape of a sleeve. The portion of the stomach removed produces a hormone that stimulates appetite and hunger. Removing this portion of stomach results in a significant reduction in appetite.
Adjustable gastric banding / gastric band (sometimes known as a lap band) is a restrictive bariatric surgical procedure. A silicone band is placed around the upper part of the stomach, creating a small pouch above the band, that is about the size of a golf ball. This forms a large pouch below the band.