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Name three types of bariatric surgery.
1. restrictive surgery
2. malabsorptive surgery
3. combination of restrictive and malabsorptive surgery
restrictive bariatric surgery
reduces the size of the stomach which causes the patient to feel full quicker.
Which type of bariatric surgery allows food to absorb normally?
restrictive bariatric surgery. the stomach and intestine digest and absorb food normally
Name 3 types of restrictive bariatric surgeries.
1. vertical banded gastroplasty
2. adjustable gastric banding
3. verticle sleeve gastrectomy
vertical banded gastroplasty
(VBG) involves partitioning the stomach into a small pouch in the upper portion along the lesser curvature of the stomach
adjustable gastric banding
(AGB) the stomach size is limited by an inflatable band placed around the fundus of the stomach; can be done using a Lap-Band system or realize band system.
verticle sleeve gastrectomy
about 85% of the stomach is removed leaving a sleeve shaped stomach, function is perserved, not reversable (restrictive)
surgeion will bypass various lengths of the small intestines so that less food is absorbed
combination of restrictive and malabsorptive surgery
combination of both restrictive and malabsorptive surgery, most common,
Advantages of vertical banded gastroplasty (VBG)
*no surgical anastomosis,
*more normal anatomy and physiology of stomach maintained,
*with lower risk of infection. (Restrictive)
Advantages of an Adjustable gastric banding
*food digestion occurs through normal process,
*band can be adjusted to increase or decrease restriction,
*surgery can be reversed
*no dumping syndrome,
Advantages of a vertical sleeve gastrectomy.
*function of stomach is conserved.
*no bypass of intestine
*avoids complications of anemia and vitamin deficiencies
(with malabsorptive procedures) Rapid emptying of chyme from surgically created residual stomach into small intestine
Expected outcomes for obsese patient that had bariatric surgery.
1. experience long-term weight loss
2. improvement of obesity-related co-morbidities
3. monitor for adverse side effect of surgical therapy
4. improved self-image
5. integrate healthy practices into daily routines
Name complications of VGB and RNY as regard to vomiting and pain.
uncontrolled vomiting and pain can result if too much intake,
Name compications of VGB and RNY with regards to nutritional deficits.
deficits in B12, calcium, iron and anemia
Advantage of a Roux-en-Y gastric bypass (RYGB).
*better weight loss than restrictive procedures
*lower incidencies of malnutrition and diarrhea
*rapid improvement of weight related co-morbidities
In an Roux-en-Y or RNY gastric bypass how is the stomach stapled?
stapled completely horizontally with a small opening so food intake is limited
How musch of the stomach is removed in a sleeve gasttectomy?
85%; spares the sphincters so normal stomach mechanics and hunger hormones removed (ghrelin and leptin)
Criteria for bariatric surgery or WLS.
*morbidly obese BMI>40kg/m^2
*no serious endocrine problems
*18+ years of age
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