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8 Cards in this Set
- Front
- Back
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Who is a Candidate?
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Usually reserved for clinically obese after all methods of treatment have not achieved success:
Individuals with BMI ≥ 40 kg/m² . BMI ≥ to 35 kg/m² with co-morbid conditions. Individual normally need to qualify as obese for minimum of 5 years + no history of alcoholism or psychotic disorders |
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Risks vs. Benefits
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Important to weigh mortality rate of obesity vs. surgery risks.
Surgery results in a 16 % decrease in total body weight at 6 years vs. 0.8 % increase with non-surgical interventions. Type II diabetics treated medically have 3x the mortality rates than comparable group undergoing gastric bypass. |
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Two Types of Surgery
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Gastroplasty / Adjustable gastric band (LapBand):
Restricts gastric volume - limited volume. Kcal and triggers faster feelings of satiety. Gastric bypass: Restricts volume - reduces kcal intake, but can cause mal-absorption by bypassing intestinal sections. |
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Gastroplasty (stomach stapling, size reduction, surgical removals)
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reduces resting stomach volume from normal value of 150 ml (5oz.) to 30 ml (1oz.):
Induces faster satiety, but overeating may induce vomiting. 75 % of candidates lose ~ 50 % of excess body weight. Costly process and some are non-reversible. Gastric bypass reduces Ghrelin (appetite stimulant) production. |
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Gastric LapBand
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The safest and least invasive bariatric surgery for weight-loss patients.
Small, inflatable belt placed around the upper portion of the patient's stomach. |
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Gastric LapBand Complications
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Complications:
Adjustable Gastric band: Access port leakage (within the air pump and bladder). Band slippage or erosion. Nausea. Vomiting. Post-surgery depression. |
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Gastric Bypass (Roux-en-Y)
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Involves three options or steps:
Creating a new, smaller stomach (gastric pouch) from the existing stomach. Bypassing 3 to 4 ft. of the small intestine. Connecting bypassed digestive section to lower section of small intestine – for necessary digestion. |
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Gastric Bypass Complications
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Surgical complications.
Poor nutrient absorption (iron, calcium, B12). Dumping syndrome. Rapid gastric emptying happens when lower end of small intestine (jejunum) fills too quickly with undigested food from stomach. Dehydration / malnutrition. Potential stretching / dilated pouch. Post-surgery depression. |
